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<h1>Source code for boundary.boundary</h1><div class="highlight"><pre>
<span></span><span class="kn">import</span> <span class="nn">logging</span>
<span class="k">try</span><span class="p">:</span>
<span class="kn">from</span> <span class="nn">Queue</span> <span class="kn">import</span> <span class="n">Empty</span>
<span class="k">except</span><span class="p">:</span>
<span class="kn">from</span> <span class="nn">queue</span> <span class="kn">import</span> <span class="n">Empty</span>
<span class="kn">from</span> <span class="nn">redis</span> <span class="kn">import</span> <span class="n">StrictRedis</span>
<span class="kn">from</span> <span class="nn">time</span> <span class="kn">import</span> <span class="n">time</span><span class="p">,</span> <span class="n">sleep</span>
<span class="kn">from</span> <span class="nn">threading</span> <span class="kn">import</span> <span class="n">Thread</span>
<span class="kn">from</span> <span class="nn">collections</span> <span class="kn">import</span> <span class="n">defaultdict</span>
<span class="kn">from</span> <span class="nn">multiprocessing</span> <span class="kn">import</span> <span class="n">Process</span><span class="p">,</span> <span class="n">Manager</span><span class="p">,</span> <span class="n">Queue</span>
<span class="kn">from</span> <span class="nn">msgpack</span> <span class="kn">import</span> <span class="n">Unpacker</span><span class="p">,</span> <span class="n">unpackb</span><span class="p">,</span> <span class="n">packb</span>
<span class="kn">from</span> <span class="nn">os</span> <span class="kn">import</span> <span class="n">path</span><span class="p">,</span> <span class="n">kill</span><span class="p">,</span> <span class="n">getpid</span><span class="p">,</span> <span class="n">system</span><span class="p">,</span> <span class="n">listdir</span>
<span class="kn">from</span> <span class="nn">os.path</span> <span class="kn">import</span> <span class="n">dirname</span><span class="p">,</span> <span class="n">join</span><span class="p">,</span> <span class="n">abspath</span><span class="p">,</span> <span class="n">isfile</span>
<span class="kn">from</span> <span class="nn">math</span> <span class="kn">import</span> <span class="n">ceil</span>
<span class="kn">import</span> <span class="nn">traceback</span>
<span class="kn">import</span> <span class="nn">operator</span>
<span class="kn">import</span> <span class="nn">socket</span>
<span class="kn">import</span> <span class="nn">re</span>
<span class="kn">import</span> <span class="nn">os</span>
<span class="kn">import</span> <span class="nn">errno</span>
<span class="kn">import</span> <span class="nn">sys</span>
<span class="kn">import</span> <span class="nn">os.path</span>
<span class="kn">import</span> <span class="nn">settings</span>
<span class="kn">from</span> <span class="nn">skyline_functions</span> <span class="kn">import</span> <span class="n">send_graphite_metric</span><span class="p">,</span> <span class="n">write_data_to_file</span>
<span class="kn">from</span> <span class="nn">boundary_alerters</span> <span class="kn">import</span> <span class="n">trigger_alert</span>
<span class="kn">from</span> <span class="nn">boundary_algorithms</span> <span class="kn">import</span> <span class="n">run_selected_algorithm</span>
<span class="kn">from</span> <span class="nn">algorithm_exceptions</span> <span class="kn">import</span> <span class="o">*</span>
<span class="n">skyline_app</span> <span class="o">=</span> <span class="s1">'boundary'</span>
<span class="n">skyline_app_logger</span> <span class="o">=</span> <span class="n">skyline_app</span> <span class="o">+</span> <span class="s1">'Log'</span>
<span class="n">logger</span> <span class="o">=</span> <span class="n">logging</span><span class="o">.</span><span class="n">getLogger</span><span class="p">(</span><span class="n">skyline_app_logger</span><span class="p">)</span>
<span class="n">skyline_app_logfile</span> <span class="o">=</span> <span class="s1">'</span><span class="si">%s</span><span class="s1">/</span><span class="si">%s</span><span class="s1">.log'</span> <span class="o">%</span> <span class="p">(</span><span class="n">settings</span><span class="o">.</span><span class="n">LOG_PATH</span><span class="p">,</span> <span class="n">skyline_app</span><span class="p">)</span>
<span class="n">skyline_app_loglock</span> <span class="o">=</span> <span class="s1">'</span><span class="si">%s</span><span class="s1">.lock'</span> <span class="o">%</span> <span class="n">skyline_app_logfile</span>
<span class="n">skyline_app_logwait</span> <span class="o">=</span> <span class="s1">'</span><span class="si">%s</span><span class="s1">.wait'</span> <span class="o">%</span> <span class="n">skyline_app_logfile</span>
<span class="n">python_version</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">sys</span><span class="o">.</span><span class="n">version_info</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span>
<span class="n">this_host</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">uname</span><span class="p">()[</span><span class="mi">1</span><span class="p">])</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">SERVER_METRIC_PATH</span> <span class="o">=</span> <span class="s1">'.'</span> <span class="o">+</span> <span class="n">settings</span><span class="o">.</span><span class="n">SERVER_METRICS_NAME</span>
<span class="k">if</span> <span class="n">SERVER_METRIC_PATH</span> <span class="o">==</span> <span class="s1">'.'</span><span class="p">:</span>
<span class="n">SERVER_METRIC_PATH</span> <span class="o">=</span> <span class="s1">''</span>
<span class="k">except</span><span class="p">:</span>
<span class="n">SERVER_METRIC_PATH</span> <span class="o">=</span> <span class="s1">''</span>
<span class="n">skyline_app_graphite_namespace</span> <span class="o">=</span> <span class="s1">'skyline.'</span> <span class="o">+</span> <span class="n">skyline_app</span> <span class="o">+</span> <span class="n">SERVER_METRIC_PATH</span>
<span class="n">REDIS_SOCKET</span> <span class="o">=</span> <span class="n">settings</span><span class="o">.</span><span class="n">REDIS_SOCKET_PATH</span>
<span class="n">BOUNDARY_METRICS</span> <span class="o">=</span> <span class="n">settings</span><span class="o">.</span><span class="n">BOUNDARY_METRICS</span>
<span class="n">FULL_NAMESPACE</span> <span class="o">=</span> <span class="n">settings</span><span class="o">.</span><span class="n">FULL_NAMESPACE</span>
<span class="n">ENABLE_BOUNDARY_DEBUG</span> <span class="o">=</span> <span class="n">settings</span><span class="o">.</span><span class="n">ENABLE_BOUNDARY_DEBUG</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">BOUNDARY_AUTOAGGRERATION</span> <span class="o">=</span> <span class="n">settings</span><span class="o">.</span><span class="n">BOUNDARY_AUTOAGGRERATION</span>
<span class="k">except</span><span class="p">:</span>
<span class="n">BOUNDARY_AUTOAGGRERATION</span> <span class="o">=</span> <span class="bp">False</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">BOUNDARY_AUTOAGGRERATION_METRICS</span> <span class="o">=</span> <span class="n">settings</span><span class="o">.</span><span class="n">BOUNDARY_AUTOAGGRERATION_METRICS</span>
<span class="k">except</span><span class="p">:</span>
<span class="n">BOUNDARY_AUTOAGGRERATION_METRICS</span> <span class="o">=</span> <span class="p">(</span>
<span class="p">(</span><span class="s2">"auotaggeration_metrics_not_declared"</span><span class="p">,</span> <span class="mi">60</span><span class="p">)</span>
<span class="p">)</span>
<div class="viewcode-block" id="Boundary"><a class="viewcode-back" href="../../skyline.boundary.html#boundary.boundary.Boundary">[docs]</a><span class="k">class</span> <span class="nc">Boundary</span><span class="p">(</span><span class="n">Thread</span><span class="p">):</span>
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parent_pid</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Initialize the Boundary</span>
<span class="sd"> """</span>
<span class="nb">super</span><span class="p">(</span><span class="n">Boundary</span><span class="p">,</span> <span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="n">__init__</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">redis_conn</span> <span class="o">=</span> <span class="n">StrictRedis</span><span class="p">(</span><span class="n">unix_socket_path</span><span class="o">=</span><span class="n">REDIS_SOCKET</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">daemon</span> <span class="o">=</span> <span class="bp">True</span>
<span class="bp">self</span><span class="o">.</span><span class="n">parent_pid</span> <span class="o">=</span> <span class="n">parent_pid</span>
<span class="bp">self</span><span class="o">.</span><span class="n">current_pid</span> <span class="o">=</span> <span class="n">getpid</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">boundary_metrics</span> <span class="o">=</span> <span class="n">Manager</span><span class="p">()</span><span class="o">.</span><span class="n">list</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">anomalous_metrics</span> <span class="o">=</span> <span class="n">Manager</span><span class="p">()</span><span class="o">.</span><span class="n">list</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">exceptions_q</span> <span class="o">=</span> <span class="n">Queue</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">anomaly_breakdown_q</span> <span class="o">=</span> <span class="n">Queue</span><span class="p">()</span>
<div class="viewcode-block" id="Boundary.check_if_parent_is_alive"><a class="viewcode-back" href="../../skyline.boundary.html#boundary.boundary.Boundary.check_if_parent_is_alive">[docs]</a> <span class="k">def</span> <span class="nf">check_if_parent_is_alive</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Self explanatory</span>
<span class="sd"> """</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">kill</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">current_pid</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
<span class="n">kill</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">parent_pid</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
<span class="k">except</span><span class="p">:</span>
<span class="nb">exit</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span></div>
<div class="viewcode-block" id="Boundary.unique_noHash"><a class="viewcode-back" href="../../skyline.boundary.html#boundary.boundary.Boundary.unique_noHash">[docs]</a> <span class="k">def</span> <span class="nf">unique_noHash</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">seq</span><span class="p">):</span>
<span class="n">seen</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
<span class="k">return</span> <span class="p">[</span><span class="n">x</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="n">seq</span> <span class="k">if</span> <span class="nb">str</span><span class="p">(</span><span class="n">x</span><span class="p">)</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">seen</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">seen</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">x</span><span class="p">))]</span></div>
<span class="c1"># This is to make a dump directory in /tmp if ENABLE_BOUNDARY_DEBUG is True</span>
<span class="c1"># for dumping the metric timeseries data into for debugging purposes</span>
<div class="viewcode-block" id="Boundary.mkdir_p"><a class="viewcode-back" href="../../skyline.boundary.html#boundary.boundary.Boundary.mkdir_p">[docs]</a> <span class="k">def</span> <span class="nf">mkdir_p</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path</span><span class="p">):</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">os</span><span class="o">.</span><span class="n">makedirs</span><span class="p">(</span><span class="n">path</span><span class="p">)</span>
<span class="k">return</span> <span class="bp">True</span>
<span class="k">except</span> <span class="ne">OSError</span> <span class="k">as</span> <span class="n">exc</span><span class="p">:</span>
<span class="c1"># Python >2.5</span>
<span class="k">if</span> <span class="n">exc</span><span class="o">.</span><span class="n">errno</span> <span class="o">==</span> <span class="n">errno</span><span class="o">.</span><span class="n">EEXIST</span> <span class="ow">and</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">isdir</span><span class="p">(</span><span class="n">path</span><span class="p">):</span>
<span class="k">pass</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span></div>
<div class="viewcode-block" id="Boundary.spin_process"><a class="viewcode-back" href="../../skyline.boundary.html#boundary.boundary.Boundary.spin_process">[docs]</a> <span class="k">def</span> <span class="nf">spin_process</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">i</span><span class="p">,</span> <span class="n">boundary_metrics</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Assign a bunch of metrics for a process to analyze.</span>
<span class="sd"> """</span>
<span class="c1"># Determine assigned metrics</span>
<span class="n">bp</span> <span class="o">=</span> <span class="n">settings</span><span class="o">.</span><span class="n">BOUNDARY_PROCESSES</span>
<span class="n">bm_range</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">boundary_metrics</span><span class="p">)</span>
<span class="n">keys_per_processor</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">ceil</span><span class="p">(</span><span class="nb">float</span><span class="p">(</span><span class="n">bm_range</span><span class="p">)</span> <span class="o">/</span> <span class="nb">float</span><span class="p">(</span><span class="n">bp</span><span class="p">)))</span>
<span class="k">if</span> <span class="n">i</span> <span class="o">==</span> <span class="n">settings</span><span class="o">.</span><span class="n">BOUNDARY_PROCESSES</span><span class="p">:</span>
<span class="n">assigned_max</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">boundary_metrics</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="c1"># This is a skyine bug, the original skyline code uses 1 as the</span>
<span class="c1"># beginning position of the index, python indices begin with 0</span>
<span class="c1"># assigned_max = len(boundary_metrics)</span>
<span class="c1"># This closes the etsy/skyline pull request opened by @languitar on 17 Jun 2014</span>
<span class="c1"># https://github.com/etsy/skyline/pull/94 Fix analyzer worker metric assignment</span>
<span class="n">assigned_max</span> <span class="o">=</span> <span class="nb">min</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">boundary_metrics</span><span class="p">),</span> <span class="n">i</span> <span class="o">*</span> <span class="n">keys_per_processor</span><span class="p">)</span>
<span class="n">assigned_min</span> <span class="o">=</span> <span class="p">(</span><span class="n">i</span> <span class="o">-</span> <span class="mi">1</span><span class="p">)</span> <span class="o">*</span> <span class="n">keys_per_processor</span>
<span class="n">assigned_keys</span> <span class="o">=</span> <span class="nb">range</span><span class="p">(</span><span class="n">assigned_min</span><span class="p">,</span> <span class="n">assigned_max</span><span class="p">)</span>
<span class="c1"># Compile assigned metrics</span>
<span class="n">assigned_metrics_and_algos</span> <span class="o">=</span> <span class="p">[</span><span class="n">boundary_metrics</span><span class="p">[</span><span class="n">index</span><span class="p">]</span> <span class="k">for</span> <span class="n">index</span> <span class="ow">in</span> <span class="n">assigned_keys</span><span class="p">]</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: printing assigned_metrics_and_algos'</span><span class="p">)</span>
<span class="k">for</span> <span class="n">assigned_metric_and_algo</span> <span class="ow">in</span> <span class="n">assigned_metrics_and_algos</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: assigned_metric_and_algo - </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">assigned_metric_and_algo</span><span class="p">))</span>
<span class="c1"># Compile assigned metrics</span>
<span class="n">assigned_metrics</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="n">assigned_metrics_and_algos</span><span class="p">:</span>
<span class="n">assigned_metrics</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">i</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span>
<span class="c1"># unique unhashed things</span>
<span class="k">def</span> <span class="nf">unique_noHash</span><span class="p">(</span><span class="n">seq</span><span class="p">):</span>
<span class="n">seen</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
<span class="k">return</span> <span class="p">[</span><span class="n">x</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="n">seq</span> <span class="k">if</span> <span class="nb">str</span><span class="p">(</span><span class="n">x</span><span class="p">)</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">seen</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">seen</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">x</span><span class="p">))]</span>
<span class="n">unique_assigned_metrics</span> <span class="o">=</span> <span class="n">unique_noHash</span><span class="p">(</span><span class="n">assigned_metrics</span><span class="p">)</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: unique_assigned_metrics - </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">unique_assigned_metrics</span><span class="p">))</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: printing unique_assigned_metrics:'</span><span class="p">)</span>
<span class="k">for</span> <span class="n">unique_assigned_metric</span> <span class="ow">in</span> <span class="n">unique_assigned_metrics</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: unique_assigned_metric - </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">unique_assigned_metric</span><span class="p">))</span>
<span class="c1"># Check if this process is unnecessary</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">unique_assigned_metrics</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
<span class="k">return</span>
<span class="c1"># Multi get series</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">raw_assigned</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">redis_conn</span><span class="o">.</span><span class="n">mget</span><span class="p">(</span><span class="n">unique_assigned_metrics</span><span class="p">)</span>
<span class="k">except</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s1">'error :: failed to mget assigned_metrics from redis'</span><span class="p">)</span>
<span class="k">return</span>
<span class="c1"># Make process-specific dicts</span>
<span class="n">exceptions</span> <span class="o">=</span> <span class="n">defaultdict</span><span class="p">(</span><span class="nb">int</span><span class="p">)</span>
<span class="n">anomaly_breakdown</span> <span class="o">=</span> <span class="n">defaultdict</span><span class="p">(</span><span class="nb">int</span><span class="p">)</span>
<span class="c1"># Reset boundary_algortims</span>
<span class="n">all_boundary_algorithms</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">metric</span> <span class="ow">in</span> <span class="n">BOUNDARY_METRICS</span><span class="p">:</span>
<span class="n">all_boundary_algorithms</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">metric</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span>
<span class="c1"># The unique algorithms that are being used</span>
<span class="n">boundary_algorithms</span> <span class="o">=</span> <span class="n">unique_noHash</span><span class="p">(</span><span class="n">all_boundary_algorithms</span><span class="p">)</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: boundary_algorithms - </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">boundary_algorithms</span><span class="p">))</span>
<span class="n">discover_run_metrics</span> <span class="o">=</span> <span class="p">[]</span>
<span class="c1"># Distill metrics into a run list</span>
<span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">metric_name</span><span class="p">,</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">unique_assigned_metrics</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">check_if_parent_is_alive</span><span class="p">()</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: unpacking timeseries for </span><span class="si">%s</span><span class="s1"> - </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">metric_name</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">i</span><span class="p">)))</span>
<span class="n">raw_series</span> <span class="o">=</span> <span class="n">raw_assigned</span><span class="p">[</span><span class="n">i</span><span class="p">]</span>
<span class="n">unpacker</span> <span class="o">=</span> <span class="n">Unpacker</span><span class="p">(</span><span class="n">use_list</span><span class="o">=</span><span class="bp">False</span><span class="p">)</span>
<span class="n">unpacker</span><span class="o">.</span><span class="n">feed</span><span class="p">(</span><span class="n">raw_series</span><span class="p">)</span>
<span class="n">timeseries</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">unpacker</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">Exception</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
<span class="n">exceptions</span><span class="p">[</span><span class="s1">'Other'</span><span class="p">]</span> <span class="o">+=</span> <span class="mi">1</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s1">'error :: redis data error: '</span> <span class="o">+</span> <span class="n">traceback</span><span class="o">.</span><span class="n">format_exc</span><span class="p">())</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s1">'error :: </span><span class="si">%e</span><span class="s1">'</span> <span class="o">%</span> <span class="n">e</span><span class="p">)</span>
<span class="n">base_name</span> <span class="o">=</span> <span class="n">metric_name</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">FULL_NAMESPACE</span><span class="p">,</span> <span class="s1">''</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="c1"># Determine the metrics BOUNDARY_METRICS metric tuple settings</span>
<span class="k">for</span> <span class="n">metrick</span> <span class="ow">in</span> <span class="n">BOUNDARY_METRICS</span><span class="p">:</span>
<span class="n">CHECK_MATCH_PATTERN</span> <span class="o">=</span> <span class="n">metrick</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="n">check_match_pattern</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">compile</span><span class="p">(</span><span class="n">CHECK_MATCH_PATTERN</span><span class="p">)</span>
<span class="n">pattern_match</span> <span class="o">=</span> <span class="n">check_match_pattern</span><span class="o">.</span><span class="n">match</span><span class="p">(</span><span class="n">base_name</span><span class="p">)</span>
<span class="n">metric_pattern_matched</span> <span class="o">=</span> <span class="bp">False</span>
<span class="k">if</span> <span class="n">pattern_match</span><span class="p">:</span>
<span class="n">metric_pattern_matched</span> <span class="o">=</span> <span class="bp">True</span>
<span class="n">algo_pattern_matched</span> <span class="o">=</span> <span class="bp">False</span>
<span class="k">for</span> <span class="n">algo</span> <span class="ow">in</span> <span class="n">boundary_algorithms</span><span class="p">:</span>
<span class="k">for</span> <span class="n">metric</span> <span class="ow">in</span> <span class="n">BOUNDARY_METRICS</span><span class="p">:</span>
<span class="n">CHECK_MATCH_PATTERN</span> <span class="o">=</span> <span class="n">metric</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="n">check_match_pattern</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">compile</span><span class="p">(</span><span class="n">CHECK_MATCH_PATTERN</span><span class="p">)</span>
<span class="n">pattern_match</span> <span class="o">=</span> <span class="n">check_match_pattern</span><span class="o">.</span><span class="n">match</span><span class="p">(</span><span class="n">base_name</span><span class="p">)</span>
<span class="k">if</span> <span class="n">pattern_match</span><span class="p">:</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"debug :: metric and algo pattern MATCHED - "</span> <span class="o">+</span> <span class="n">metric</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">+</span> <span class="s2">" | "</span> <span class="o">+</span> <span class="n">base_name</span> <span class="o">+</span> <span class="s2">" | "</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">metric</span><span class="p">[</span><span class="mi">1</span><span class="p">]))</span>
<span class="n">metric_expiration_time</span> <span class="o">=</span> <span class="bp">False</span>
<span class="n">metric_min_average</span> <span class="o">=</span> <span class="bp">False</span>
<span class="n">metric_min_average_seconds</span> <span class="o">=</span> <span class="bp">False</span>
<span class="n">metric_trigger</span> <span class="o">=</span> <span class="bp">False</span>
<span class="n">algorithm</span> <span class="o">=</span> <span class="bp">False</span>
<span class="n">algo_pattern_matched</span> <span class="o">=</span> <span class="bp">True</span>
<span class="n">algorithm</span> <span class="o">=</span> <span class="n">metric</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">if</span> <span class="n">metric</span><span class="p">[</span><span class="mi">2</span><span class="p">]:</span>
<span class="n">metric_expiration_time</span> <span class="o">=</span> <span class="n">metric</span><span class="p">[</span><span class="mi">2</span><span class="p">]</span>
<span class="k">except</span><span class="p">:</span>
<span class="n">metric_expiration_time</span> <span class="o">=</span> <span class="bp">False</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">if</span> <span class="n">metric</span><span class="p">[</span><span class="mi">3</span><span class="p">]:</span>
<span class="n">metric_min_average</span> <span class="o">=</span> <span class="n">metric</span><span class="p">[</span><span class="mi">3</span><span class="p">]</span>
<span class="k">except</span><span class="p">:</span>
<span class="n">metric_min_average</span> <span class="o">=</span> <span class="bp">False</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">if</span> <span class="n">metric</span><span class="p">[</span><span class="mi">4</span><span class="p">]:</span>
<span class="n">metric_min_average_seconds</span> <span class="o">=</span> <span class="n">metric</span><span class="p">[</span><span class="mi">4</span><span class="p">]</span>
<span class="k">except</span><span class="p">:</span>
<span class="n">metric_min_average_seconds</span> <span class="o">=</span> <span class="mi">1200</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">if</span> <span class="n">metric</span><span class="p">[</span><span class="mi">5</span><span class="p">]:</span>
<span class="n">metric_trigger</span> <span class="o">=</span> <span class="n">metric</span><span class="p">[</span><span class="mi">5</span><span class="p">]</span>
<span class="k">except</span><span class="p">:</span>
<span class="n">metric_trigger</span> <span class="o">=</span> <span class="bp">False</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">if</span> <span class="n">metric</span><span class="p">[</span><span class="mi">6</span><span class="p">]:</span>
<span class="n">alert_threshold</span> <span class="o">=</span> <span class="n">metric</span><span class="p">[</span><span class="mi">6</span><span class="p">]</span>
<span class="k">except</span><span class="p">:</span>
<span class="n">alert_threshold</span> <span class="o">=</span> <span class="bp">False</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">if</span> <span class="n">metric</span><span class="p">[</span><span class="mi">7</span><span class="p">]:</span>
<span class="n">metric_alerters</span> <span class="o">=</span> <span class="n">metric</span><span class="p">[</span><span class="mi">7</span><span class="p">]</span>
<span class="k">except</span><span class="p">:</span>
<span class="n">metric_alerters</span> <span class="o">=</span> <span class="bp">False</span>
<span class="k">if</span> <span class="n">metric_pattern_matched</span> <span class="ow">and</span> <span class="n">algo_pattern_matched</span><span class="p">:</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: added metric - </span><span class="si">%s</span><span class="s1">, </span><span class="si">%s</span><span class="s1">, </span><span class="si">%s</span><span class="s1">, </span><span class="si">%s</span><span class="s1">, </span><span class="si">%s</span><span class="s1">, </span><span class="si">%s</span><span class="s1">, </span><span class="si">%s</span><span class="s1">, </span><span class="si">%s</span><span class="s1">, </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">i</span><span class="p">),</span> <span class="n">metric_name</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">metric_expiration_time</span><span class="p">),</span> <span class="nb">str</span><span class="p">(</span><span class="n">metric_min_average</span><span class="p">),</span> <span class="nb">str</span><span class="p">(</span><span class="n">metric_min_average_seconds</span><span class="p">),</span> <span class="nb">str</span><span class="p">(</span><span class="n">metric_trigger</span><span class="p">),</span> <span class="nb">str</span><span class="p">(</span><span class="n">alert_threshold</span><span class="p">),</span> <span class="n">metric_alerters</span><span class="p">,</span> <span class="n">algorithm</span><span class="p">))</span>
<span class="n">discover_run_metrics</span><span class="o">.</span><span class="n">append</span><span class="p">([</span><span class="n">i</span><span class="p">,</span> <span class="n">metric_name</span><span class="p">,</span> <span class="n">metric_expiration_time</span><span class="p">,</span> <span class="n">metric_min_average</span><span class="p">,</span> <span class="n">metric_min_average_seconds</span><span class="p">,</span> <span class="n">metric_trigger</span><span class="p">,</span> <span class="n">alert_threshold</span><span class="p">,</span> <span class="n">metric_alerters</span><span class="p">,</span> <span class="n">algorithm</span><span class="p">])</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: printing discover_run_metrics'</span><span class="p">)</span>
<span class="k">for</span> <span class="n">discover_run_metric</span> <span class="ow">in</span> <span class="n">discover_run_metrics</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: discover_run_metrics - </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">discover_run_metric</span><span class="p">))</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: build unique boundary metrics to analyze'</span><span class="p">)</span>
<span class="c1"># Determine the unique set of metrics to run</span>
<span class="n">run_metrics</span> <span class="o">=</span> <span class="n">unique_noHash</span><span class="p">(</span><span class="n">discover_run_metrics</span><span class="p">)</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: printing run_metrics'</span><span class="p">)</span>
<span class="k">for</span> <span class="n">run_metric</span> <span class="ow">in</span> <span class="n">run_metrics</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: run_metrics - </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">run_metric</span><span class="p">))</span>
<span class="c1"># Distill timeseries strings and submit to run_selected_algorithm</span>
<span class="k">for</span> <span class="n">metric_and_algo</span> <span class="ow">in</span> <span class="n">run_metrics</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">check_if_parent_is_alive</span><span class="p">()</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">raw_assigned_id</span> <span class="o">=</span> <span class="n">metric_and_algo</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="n">metric_name</span> <span class="o">=</span> <span class="n">metric_and_algo</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
<span class="n">base_name</span> <span class="o">=</span> <span class="n">metric_name</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">FULL_NAMESPACE</span><span class="p">,</span> <span class="s1">''</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="n">metric_expiration_time</span> <span class="o">=</span> <span class="n">metric_and_algo</span><span class="p">[</span><span class="mi">2</span><span class="p">]</span>
<span class="n">metric_min_average</span> <span class="o">=</span> <span class="n">metric_and_algo</span><span class="p">[</span><span class="mi">3</span><span class="p">]</span>
<span class="n">metric_min_average_seconds</span> <span class="o">=</span> <span class="n">metric_and_algo</span><span class="p">[</span><span class="mi">4</span><span class="p">]</span>
<span class="n">metric_trigger</span> <span class="o">=</span> <span class="n">metric_and_algo</span><span class="p">[</span><span class="mi">5</span><span class="p">]</span>
<span class="n">alert_threshold</span> <span class="o">=</span> <span class="n">metric_and_algo</span><span class="p">[</span><span class="mi">6</span><span class="p">]</span>
<span class="n">metric_alerters</span> <span class="o">=</span> <span class="n">metric_and_algo</span><span class="p">[</span><span class="mi">7</span><span class="p">]</span>
<span class="n">algorithm</span> <span class="o">=</span> <span class="n">metric_and_algo</span><span class="p">[</span><span class="mi">8</span><span class="p">]</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: unpacking timeseries for </span><span class="si">%s</span><span class="s1"> - </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">metric_name</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">raw_assigned_id</span><span class="p">)))</span>
<span class="n">raw_series</span> <span class="o">=</span> <span class="n">raw_assigned</span><span class="p">[</span><span class="n">metric_and_algo</span><span class="p">[</span><span class="mi">0</span><span class="p">]]</span>
<span class="n">unpacker</span> <span class="o">=</span> <span class="n">Unpacker</span><span class="p">(</span><span class="n">use_list</span><span class="o">=</span><span class="bp">False</span><span class="p">)</span>
<span class="n">unpacker</span><span class="o">.</span><span class="n">feed</span><span class="p">(</span><span class="n">raw_series</span><span class="p">)</span>
<span class="n">timeseries</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">unpacker</span><span class="p">)</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: unpacked OK - </span><span class="si">%s</span><span class="s1"> - </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">metric_name</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">raw_assigned_id</span><span class="p">)))</span>
<span class="n">autoaggregate</span> <span class="o">=</span> <span class="bp">False</span>
<span class="n">autoaggregate_value</span> <span class="o">=</span> <span class="mi">0</span>
<span class="c1"># Determine if the namespace is to be aggregated</span>
<span class="k">if</span> <span class="n">BOUNDARY_AUTOAGGRERATION</span><span class="p">:</span>
<span class="k">for</span> <span class="n">autoaggregate_metric</span> <span class="ow">in</span> <span class="n">BOUNDARY_AUTOAGGRERATION_METRICS</span><span class="p">:</span>
<span class="n">autoaggregate</span> <span class="o">=</span> <span class="bp">False</span>
<span class="n">autoaggregate_value</span> <span class="o">=</span> <span class="mi">0</span>
<span class="n">CHECK_MATCH_PATTERN</span> <span class="o">=</span> <span class="n">autoaggregate_metric</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="n">base_name</span> <span class="o">=</span> <span class="n">metric_name</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">FULL_NAMESPACE</span><span class="p">,</span> <span class="s1">''</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="n">check_match_pattern</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">compile</span><span class="p">(</span><span class="n">CHECK_MATCH_PATTERN</span><span class="p">)</span>
<span class="n">pattern_match</span> <span class="o">=</span> <span class="n">check_match_pattern</span><span class="o">.</span><span class="n">match</span><span class="p">(</span><span class="n">base_name</span><span class="p">)</span>
<span class="k">if</span> <span class="n">pattern_match</span><span class="p">:</span>
<span class="n">autoaggregate</span> <span class="o">=</span> <span class="bp">True</span>
<span class="n">autoaggregate_value</span> <span class="o">=</span> <span class="n">autoaggregate_metric</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: BOUNDARY_AUTOAGGRERATION passed - </span><span class="si">%s</span><span class="s1"> - </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">metric_name</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">autoaggregate</span><span class="p">)))</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span>
<span class="s1">'debug :: analysing - </span><span class="si">%s</span><span class="s1">, </span><span class="si">%s</span><span class="s1">, </span><span class="si">%s</span><span class="s1">, </span><span class="si">%s</span><span class="s1">, </span><span class="si">%s</span><span class="s1">, </span><span class="si">%s</span><span class="s1">, </span><span class="si">%s</span><span class="s1">, </span><span class="si">%s</span><span class="s1">, </span><span class="si">%s</span><span class="s1">, </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span>
<span class="n">metric_name</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">metric_expiration_time</span><span class="p">),</span>
<span class="nb">str</span><span class="p">(</span><span class="n">metric_min_average</span><span class="p">),</span>
<span class="nb">str</span><span class="p">(</span><span class="n">metric_min_average_seconds</span><span class="p">),</span>
<span class="nb">str</span><span class="p">(</span><span class="n">metric_trigger</span><span class="p">),</span> <span class="nb">str</span><span class="p">(</span><span class="n">alert_threshold</span><span class="p">),</span>
<span class="n">metric_alerters</span><span class="p">,</span> <span class="n">autoaggregate</span><span class="p">,</span>
<span class="n">autoaggregate_value</span><span class="p">,</span> <span class="n">algorithm</span><span class="p">)</span>
<span class="p">)</span>
<span class="c1"># Dump the the timeseries data to a file</span>
<span class="n">timeseries_dump_dir</span> <span class="o">=</span> <span class="s2">"/tmp/skyline/boundary/"</span> <span class="o">+</span> <span class="n">algorithm</span>
<span class="bp">self</span><span class="o">.</span><span class="n">mkdir_p</span><span class="p">(</span><span class="n">timeseries_dump_dir</span><span class="p">)</span>
<span class="n">timeseries_dump_file</span> <span class="o">=</span> <span class="n">timeseries_dump_dir</span> <span class="o">+</span> <span class="s2">"/"</span> <span class="o">+</span> <span class="n">metric_name</span> <span class="o">+</span> <span class="s2">".json"</span>
<span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">timeseries_dump_file</span><span class="p">,</span> <span class="s1">'w+'</span><span class="p">)</span> <span class="k">as</span> <span class="n">f</span><span class="p">:</span>
<span class="n">f</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">timeseries</span><span class="p">))</span>
<span class="n">f</span><span class="o">.</span><span class="n">close</span><span class="p">()</span>
<span class="c1"># Check if a metric has its own unique BOUNDARY_METRICS alert</span>
<span class="c1"># tuple, this allows us to paint an entire metric namespace with</span>
<span class="c1"># the same brush AND paint a unique metric or namespace with a</span>
<span class="c1"># different brush or scapel</span>
<span class="n">has_unique_tuple</span> <span class="o">=</span> <span class="bp">False</span>
<span class="n">run_tupple</span> <span class="o">=</span> <span class="bp">False</span>
<span class="n">boundary_metric_tuple</span> <span class="o">=</span> <span class="p">(</span><span class="n">base_name</span><span class="p">,</span> <span class="n">algorithm</span><span class="p">,</span> <span class="n">metric_expiration_time</span><span class="p">,</span> <span class="n">metric_min_average</span><span class="p">,</span> <span class="n">metric_min_average_seconds</span><span class="p">,</span> <span class="n">metric_trigger</span><span class="p">,</span> <span class="n">alert_threshold</span><span class="p">,</span> <span class="n">metric_alerters</span><span class="p">)</span>
<span class="n">wildcard_namespace</span> <span class="o">=</span> <span class="bp">True</span>
<span class="k">for</span> <span class="n">metric_tuple</span> <span class="ow">in</span> <span class="n">BOUNDARY_METRICS</span><span class="p">:</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">has_unique_tuple</span><span class="p">:</span>
<span class="n">CHECK_MATCH_PATTERN</span> <span class="o">=</span> <span class="n">metric_tuple</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="n">check_match_pattern</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">compile</span><span class="p">(</span><span class="n">CHECK_MATCH_PATTERN</span><span class="p">)</span>
<span class="n">pattern_match</span> <span class="o">=</span> <span class="n">check_match_pattern</span><span class="o">.</span><span class="n">match</span><span class="p">(</span><span class="n">base_name</span><span class="p">)</span>
<span class="k">if</span> <span class="n">pattern_match</span><span class="p">:</span>
<span class="k">if</span> <span class="n">metric_tuple</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">==</span> <span class="n">base_name</span><span class="p">:</span>
<span class="n">wildcard_namespace</span> <span class="o">=</span> <span class="bp">False</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">has_unique_tuple</span><span class="p">:</span>
<span class="k">if</span> <span class="n">boundary_metric_tuple</span> <span class="o">==</span> <span class="n">metric_tuple</span><span class="p">:</span>
<span class="n">has_unique_tuple</span> <span class="o">=</span> <span class="bp">True</span>
<span class="n">run_tupple</span> <span class="o">=</span> <span class="bp">True</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'unique_tuple:'</span><span class="p">)</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'boundary_metric_tuple: </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">boundary_metric_tuple</span><span class="p">))</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'metric_tuple: </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">metric_tuple</span><span class="p">))</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">has_unique_tuple</span><span class="p">:</span>
<span class="k">if</span> <span class="n">wildcard_namespace</span><span class="p">:</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'wildcard_namespace:'</span><span class="p">)</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'boundary_metric_tuple: </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">boundary_metric_tuple</span><span class="p">))</span>
<span class="n">run_tupple</span> <span class="o">=</span> <span class="bp">True</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'wildcard_namespace: BUT WOULD NOT RUN'</span><span class="p">)</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'boundary_metric_tuple: </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">boundary_metric_tuple</span><span class="p">))</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'WOULD RUN run_selected_algorithm = </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="n">run_tupple</span><span class="p">)</span>
<span class="k">if</span> <span class="n">run_tupple</span><span class="p">:</span>
<span class="c1"># Submit the timeseries and settings to run_selected_algorithm</span>
<span class="n">anomalous</span><span class="p">,</span> <span class="n">ensemble</span><span class="p">,</span> <span class="n">datapoint</span><span class="p">,</span> <span class="n">metric_name</span><span class="p">,</span> <span class="n">metric_expiration_time</span><span class="p">,</span> <span class="n">metric_min_average</span><span class="p">,</span> <span class="n">metric_min_average_seconds</span><span class="p">,</span> <span class="n">metric_trigger</span><span class="p">,</span> <span class="n">alert_threshold</span><span class="p">,</span> <span class="n">metric_alerters</span><span class="p">,</span> <span class="n">algorithm</span> <span class="o">=</span> <span class="n">run_selected_algorithm</span><span class="p">(</span>
<span class="n">timeseries</span><span class="p">,</span> <span class="n">metric_name</span><span class="p">,</span>
<span class="n">metric_expiration_time</span><span class="p">,</span>
<span class="n">metric_min_average</span><span class="p">,</span>
<span class="n">metric_min_average_seconds</span><span class="p">,</span>
<span class="n">metric_trigger</span><span class="p">,</span>
<span class="n">alert_threshold</span><span class="p">,</span>
<span class="n">metric_alerters</span><span class="p">,</span>
<span class="n">autoaggregate</span><span class="p">,</span>
<span class="n">autoaggregate_value</span><span class="p">,</span>
<span class="n">algorithm</span>
<span class="p">)</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: analysed - </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">metric_name</span><span class="p">))</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">anomalous</span> <span class="o">=</span> <span class="bp">False</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: more unique metric tuple not analysed - </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">metric_name</span><span class="p">))</span>
<span class="c1"># If it's anomalous, add it to list</span>
<span class="k">if</span> <span class="n">anomalous</span><span class="p">:</span>
<span class="n">anomalous_metric</span> <span class="o">=</span> <span class="p">[</span><span class="n">datapoint</span><span class="p">,</span> <span class="n">metric_name</span><span class="p">,</span> <span class="n">metric_expiration_time</span><span class="p">,</span> <span class="n">metric_min_average</span><span class="p">,</span> <span class="n">metric_min_average_seconds</span><span class="p">,</span> <span class="n">metric_trigger</span><span class="p">,</span> <span class="n">alert_threshold</span><span class="p">,</span> <span class="n">metric_alerters</span><span class="p">,</span> <span class="n">algorithm</span><span class="p">]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">anomalous_metrics</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">anomalous_metric</span><span class="p">)</span>
<span class="c1"># Get the anomaly breakdown - who returned True?</span>
<span class="n">triggered_algorithms</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">index</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">ensemble</span><span class="p">):</span>
<span class="k">if</span> <span class="n">value</span><span class="p">:</span>
<span class="n">anomaly_breakdown</span><span class="p">[</span><span class="n">algorithm</span><span class="p">]</span> <span class="o">+=</span> <span class="mi">1</span>
<span class="n">triggered_algorithms</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">algorithm</span><span class="p">)</span>
<span class="c1"># If Crucible or Panorama are enabled determine details</span>
<span class="n">determine_anomaly_details</span> <span class="o">=</span> <span class="bp">False</span>
<span class="k">if</span> <span class="n">settings</span><span class="o">.</span><span class="n">ENABLE_CRUCIBLE</span> <span class="ow">and</span> <span class="n">settings</span><span class="o">.</span><span class="n">BOUNDARY_CRUCIBLE_ENABLED</span><span class="p">:</span>
<span class="n">determine_anomaly_details</span> <span class="o">=</span> <span class="bp">True</span>
<span class="k">if</span> <span class="n">settings</span><span class="o">.</span><span class="n">PANORAMA_ENABLED</span><span class="p">:</span>
<span class="n">determine_anomaly_details</span> <span class="o">=</span> <span class="bp">True</span>
<span class="k">if</span> <span class="n">determine_anomaly_details</span><span class="p">:</span>
<span class="n">metric_timestamp</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="nb">int</span><span class="p">(</span><span class="n">timeseries</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">][</span><span class="mi">0</span><span class="p">]))</span>
<span class="n">from_timestamp</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="nb">int</span><span class="p">(</span><span class="n">timeseries</span><span class="p">[</span><span class="mi">1</span><span class="p">][</span><span class="mi">0</span><span class="p">]))</span>
<span class="n">timeseries_dir</span> <span class="o">=</span> <span class="n">base_name</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">'.'</span><span class="p">,</span> <span class="s1">'/'</span><span class="p">)</span>
<span class="c1"># If Panorama is enabled - create a Panorama check</span>
<span class="k">if</span> <span class="n">settings</span><span class="o">.</span><span class="n">PANORAMA_ENABLED</span><span class="p">:</span>
<span class="c1"># Note:</span>
<span class="c1"># The values are enclosed is single quoted intentionally</span>
<span class="c1"># as the imp.load_source used results in a shift in the</span>
<span class="c1"># decimal position when double quoted, e.g.</span>
<span class="c1"># value = "5622.0" gets imported as</span>
<span class="c1"># 2016-03-02 12:53:26 :: 28569 :: metric variable - value - 562.2</span>
<span class="c1"># single quoting results in the desired,</span>
<span class="c1"># 2016-03-02 13:16:17 :: 1515 :: metric variable - value - 5622.0</span>
<span class="n">added_at</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="nb">int</span><span class="p">(</span><span class="n">time</span><span class="p">()))</span>
<span class="n">source</span> <span class="o">=</span> <span class="s1">'graphite'</span>
<span class="n">panaroma_anomaly_data</span> <span class="o">=</span> <span class="s1">'metric = </span><span class="se">\'</span><span class="si">%s</span><span class="se">\'\n</span><span class="s1">'</span> \
<span class="s1">'value = </span><span class="se">\'</span><span class="si">%s</span><span class="se">\'\n</span><span class="s1">'</span> \
<span class="s1">'from_timestamp = </span><span class="se">\'</span><span class="si">%s</span><span class="se">\'\n</span><span class="s1">'</span> \
<span class="s1">'metric_timestamp = </span><span class="se">\'</span><span class="si">%s</span><span class="se">\'\n</span><span class="s1">'</span> \
<span class="s1">'algorithms = [</span><span class="se">\'</span><span class="si">%s</span><span class="se">\'</span><span class="s1">]</span><span class="se">\n</span><span class="s1">'</span> \
<span class="s1">'triggered_algorithms = [</span><span class="se">\'</span><span class="si">%s</span><span class="se">\'</span><span class="s1">]</span><span class="se">\n</span><span class="s1">'</span> \
<span class="s1">'app = </span><span class="se">\'</span><span class="si">%s</span><span class="se">\'\n</span><span class="s1">'</span> \
<span class="s1">'source = </span><span class="se">\'</span><span class="si">%s</span><span class="se">\'\n</span><span class="s1">'</span> \
<span class="s1">'added_by = </span><span class="se">\'</span><span class="si">%s</span><span class="se">\'\n</span><span class="s1">'</span> \
<span class="s1">'added_at = </span><span class="se">\'</span><span class="si">%s</span><span class="se">\'\n</span><span class="s1">'</span> \
<span class="o">%</span> <span class="p">(</span><span class="n">base_name</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">datapoint</span><span class="p">),</span> <span class="n">from_timestamp</span><span class="p">,</span>
<span class="n">metric_timestamp</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">algorithm</span><span class="p">),</span> <span class="nb">str</span><span class="p">(</span><span class="n">algorithm</span><span class="p">),</span>
<span class="n">skyline_app</span><span class="p">,</span> <span class="n">source</span><span class="p">,</span> <span class="n">this_host</span><span class="p">,</span> <span class="n">added_at</span><span class="p">)</span>
<span class="c1"># Create an anomaly file with details about the anomaly</span>
<span class="n">panaroma_anomaly_file</span> <span class="o">=</span> <span class="s1">'</span><span class="si">%s</span><span class="s1">/</span><span class="si">%s</span><span class="s1">.</span><span class="si">%s</span><span class="s1">.txt'</span> <span class="o">%</span> <span class="p">(</span>
<span class="n">settings</span><span class="o">.</span><span class="n">PANORAMA_CHECK_PATH</span><span class="p">,</span> <span class="n">added_at</span><span class="p">,</span>
<span class="n">base_name</span><span class="p">)</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">write_data_to_file</span><span class="p">(</span>
<span class="n">skyline_app</span><span class="p">,</span> <span class="n">panaroma_anomaly_file</span><span class="p">,</span> <span class="s1">'w'</span><span class="p">,</span>
<span class="n">panaroma_anomaly_data</span><span class="p">)</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'added panorama anomaly file :: </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">panaroma_anomaly_file</span><span class="p">))</span>
<span class="k">except</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s1">'error :: failed to add panorama anomaly file :: </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">panaroma_anomaly_file</span><span class="p">))</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="n">traceback</span><span class="o">.</span><span class="n">format_exc</span><span class="p">())</span>
<span class="c1"># If crucible is enabled - save timeseries and create a</span>
<span class="c1"># crucible check</span>
<span class="k">if</span> <span class="n">settings</span><span class="o">.</span><span class="n">ENABLE_CRUCIBLE</span> <span class="ow">and</span> <span class="n">settings</span><span class="o">.</span><span class="n">BOUNDARY_CRUCIBLE_ENABLED</span><span class="p">:</span>
<span class="n">crucible_anomaly_dir</span> <span class="o">=</span> <span class="n">settings</span><span class="o">.</span><span class="n">CRUCIBLE_DATA_FOLDER</span> <span class="o">+</span> <span class="s1">'/'</span> <span class="o">+</span> <span class="n">timeseries_dir</span> <span class="o">+</span> <span class="s1">'/'</span> <span class="o">+</span> <span class="n">metric_timestamp</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">exists</span><span class="p">(</span><span class="n">crucible_anomaly_dir</span><span class="p">):</span>
<span class="k">if</span> <span class="n">python_version</span> <span class="o">==</span> <span class="mi">2</span><span class="p">:</span>
<span class="n">mode_arg</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="s1">'0755'</span><span class="p">)</span>
<span class="k">if</span> <span class="n">python_version</span> <span class="o">==</span> <span class="mi">3</span><span class="p">:</span>
<span class="n">mode_arg</span> <span class="o">=</span> <span class="n">mode</span><span class="o">=</span><span class="mi">0</span><span class="n">o755</span>
<span class="n">os</span><span class="o">.</span><span class="n">makedirs</span><span class="p">(</span><span class="n">crucible_anomaly_dir</span><span class="p">,</span> <span class="n">mode_arg</span><span class="p">)</span>
<span class="c1"># Note:</span>
<span class="c1"># Due to only one algorithm triggering here the</span>
<span class="c1"># algorithm related arrays here are a different format</span>
<span class="c1"># to there output format in analyzer</span>
<span class="c1"># Note:</span>
<span class="c1"># The value is enclosed is single quoted intentionally</span>
<span class="c1"># as the imp.load_source used in crucible results in a</span>
<span class="c1"># shift in the decimal position when double quoted, e.g.</span>
<span class="c1"># value = "5622.0" gets imported as</span>
<span class="c1"># 2016-03-02 12:53:26 :: 28569 :: metric variable - value - 562.2</span>
<span class="c1"># single quoting results in the desired,</span>
<span class="c1"># 2016-03-02 13:16:17 :: 1515 :: metric variable - value - 5622.0</span>
<span class="n">crucible_anomaly_data</span> <span class="o">=</span> <span class="s1">'metric = </span><span class="se">\'</span><span class="si">%s</span><span class="se">\'\n</span><span class="s1">'</span> \
<span class="s1">'value = </span><span class="se">\'</span><span class="si">%s</span><span class="se">\'\n</span><span class="s1">'</span> \
<span class="s1">'from_timestamp = </span><span class="se">\'</span><span class="si">%s</span><span class="se">\'\n</span><span class="s1">'</span> \
<span class="s1">'metric_timestamp = </span><span class="se">\'</span><span class="si">%s</span><span class="se">\'\n</span><span class="s1">'</span> \
<span class="s1">'algorithms = </span><span class="si">%s</span><span class="se">\n</span><span class="s1">'</span> \
<span class="s1">'triggered_algorithms = </span><span class="si">%s</span><span class="se">\n</span><span class="s1">'</span> \
<span class="s1">'anomaly_dir = </span><span class="se">\'</span><span class="si">%s</span><span class="se">\'\n</span><span class="s1">'</span> \
<span class="s1">'graphite_metric = True</span><span class="se">\n</span><span class="s1">'</span> \
<span class="s1">'run_crucible_tests = False</span><span class="se">\n</span><span class="s1">'</span> \
<span class="s1">'added_by = </span><span class="se">\'</span><span class="si">%s</span><span class="se">\'\n</span><span class="s1">'</span> \
<span class="s1">'added_at = </span><span class="se">\'</span><span class="si">%s</span><span class="se">\'\n</span><span class="s1">'</span> \
<span class="o">%</span> <span class="p">(</span><span class="n">base_name</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">datapoint</span><span class="p">),</span> <span class="n">from_timestamp</span><span class="p">,</span>
<span class="n">metric_timestamp</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">algorithm</span><span class="p">),</span>
<span class="n">triggered_algorithms</span><span class="p">,</span> <span class="n">crucible_anomaly_dir</span><span class="p">,</span>
<span class="n">skyline_app</span><span class="p">,</span> <span class="n">metric_timestamp</span><span class="p">)</span>
<span class="c1"># Create an anomaly file with details about the anomaly</span>
<span class="n">crucible_anomaly_file</span> <span class="o">=</span> <span class="s1">'</span><span class="si">%s</span><span class="s1">/</span><span class="si">%s</span><span class="s1">.txt'</span> <span class="o">%</span> <span class="p">(</span><span class="n">crucible_anomaly_dir</span><span class="p">,</span> <span class="n">base_name</span><span class="p">)</span>
<span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">crucible_anomaly_file</span><span class="p">,</span> <span class="s1">'w'</span><span class="p">)</span> <span class="k">as</span> <span class="n">fh</span><span class="p">:</span>
<span class="n">fh</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="n">crucible_anomaly_data</span><span class="p">)</span>
<span class="k">if</span> <span class="n">python_version</span> <span class="o">==</span> <span class="mi">2</span><span class="p">:</span>
<span class="n">mode_arg</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="s1">'0644'</span><span class="p">)</span>
<span class="k">if</span> <span class="n">python_version</span> <span class="o">==</span> <span class="mi">3</span><span class="p">:</span>
<span class="n">mode_arg</span> <span class="o">=</span> <span class="s1">'0o644'</span>
<span class="n">os</span><span class="o">.</span><span class="n">chmod</span><span class="p">(</span><span class="n">crucible_anomaly_file</span><span class="p">,</span> <span class="n">mode_arg</span><span class="p">)</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'added crucible anomaly file :: </span><span class="si">%s</span><span class="s1">/</span><span class="si">%s</span><span class="s1">.txt'</span> <span class="o">%</span> <span class="p">(</span><span class="n">crucible_anomaly_dir</span><span class="p">,</span> <span class="n">base_name</span><span class="p">))</span>
<span class="c1"># Create timeseries json file with the timeseries</span>
<span class="n">json_file</span> <span class="o">=</span> <span class="s1">'</span><span class="si">%s</span><span class="s1">/</span><span class="si">%s</span><span class="s1">.json'</span> <span class="o">%</span> <span class="p">(</span><span class="n">crucible_anomaly_dir</span><span class="p">,</span> <span class="n">base_name</span><span class="p">)</span>
<span class="n">timeseries_json</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="n">timeseries</span><span class="p">)</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">'['</span><span class="p">,</span> <span class="s1">'('</span><span class="p">)</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">']'</span><span class="p">,</span> <span class="s1">')'</span><span class="p">)</span>
<span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">json_file</span><span class="p">,</span> <span class="s1">'w'</span><span class="p">)</span> <span class="k">as</span> <span class="n">fh</span><span class="p">:</span>
<span class="c1"># timeseries</span>
<span class="n">fh</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="n">timeseries_json</span><span class="p">)</span>
<span class="k">if</span> <span class="n">python_version</span> <span class="o">==</span> <span class="mi">2</span><span class="p">:</span>
<span class="n">mode_arg</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="s1">'0644'</span><span class="p">)</span>
<span class="k">if</span> <span class="n">python_version</span> <span class="o">==</span> <span class="mi">3</span><span class="p">:</span>
<span class="n">mode_arg</span> <span class="o">=</span> <span class="s1">'0o644'</span>
<span class="n">os</span><span class="o">.</span><span class="n">chmod</span><span class="p">(</span><span class="n">json_file</span><span class="p">,</span> <span class="n">mode_arg</span><span class="p">)</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'added crucible timeseries file :: </span><span class="si">%s</span><span class="s1">/</span><span class="si">%s</span><span class="s1">.json'</span> <span class="o">%</span> <span class="p">(</span><span class="n">crucible_anomaly_dir</span><span class="p">,</span> <span class="n">base_name</span><span class="p">))</span>
<span class="c1"># Create a crucible check file</span>
<span class="n">crucible_check_file</span> <span class="o">=</span> <span class="s1">'</span><span class="si">%s</span><span class="s1">/</span><span class="si">%s</span><span class="s1">.</span><span class="si">%s</span><span class="s1">.txt'</span> <span class="o">%</span> <span class="p">(</span><span class="n">settings</span><span class="o">.</span><span class="n">CRUCIBLE_CHECK_PATH</span><span class="p">,</span> <span class="n">metric_timestamp</span><span class="p">,</span> <span class="n">base_name</span><span class="p">)</span>
<span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">crucible_check_file</span><span class="p">,</span> <span class="s1">'w'</span><span class="p">)</span> <span class="k">as</span> <span class="n">fh</span><span class="p">:</span>
<span class="n">fh</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="n">crucible_anomaly_data</span><span class="p">)</span>
<span class="k">if</span> <span class="n">python_version</span> <span class="o">==</span> <span class="mi">2</span><span class="p">:</span>
<span class="n">mode_arg</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="s1">'0644'</span><span class="p">)</span>
<span class="k">if</span> <span class="n">python_version</span> <span class="o">==</span> <span class="mi">3</span><span class="p">:</span>
<span class="n">mode_arg</span> <span class="o">=</span> <span class="s1">'0o644'</span>
<span class="n">os</span><span class="o">.</span><span class="n">chmod</span><span class="p">(</span><span class="n">crucible_check_file</span><span class="p">,</span> <span class="n">mode_arg</span><span class="p">)</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'added crucible check :: </span><span class="si">%s</span><span class="s1">,</span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">base_name</span><span class="p">,</span> <span class="n">metric_timestamp</span><span class="p">))</span>
<span class="c1"># It could have been deleted by the Roomba</span>
<span class="k">except</span> <span class="ne">TypeError</span><span class="p">:</span>
<span class="n">exceptions</span><span class="p">[</span><span class="s1">'DeletedByRoomba'</span><span class="p">]</span> <span class="o">+=</span> <span class="mi">1</span>
<span class="k">except</span> <span class="n">TooShort</span><span class="p">:</span>
<span class="n">exceptions</span><span class="p">[</span><span class="s1">'TooShort'</span><span class="p">]</span> <span class="o">+=</span> <span class="mi">1</span>
<span class="k">except</span> <span class="n">Stale</span><span class="p">:</span>
<span class="n">exceptions</span><span class="p">[</span><span class="s1">'Stale'</span><span class="p">]</span> <span class="o">+=</span> <span class="mi">1</span>
<span class="k">except</span> <span class="n">Boring</span><span class="p">:</span>
<span class="n">exceptions</span><span class="p">[</span><span class="s1">'Boring'</span><span class="p">]</span> <span class="o">+=</span> <span class="mi">1</span>
<span class="k">except</span><span class="p">:</span>
<span class="n">exceptions</span><span class="p">[</span><span class="s1">'Other'</span><span class="p">]</span> <span class="o">+=</span> <span class="mi">1</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"exceptions['Other'] traceback follows:"</span><span class="p">)</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="n">traceback</span><span class="o">.</span><span class="n">format_exc</span><span class="p">())</span>
<span class="c1"># Add values to the queue so the parent process can collate</span>
<span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="n">anomaly_breakdown</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
<span class="bp">self</span><span class="o">.</span><span class="n">anomaly_breakdown_q</span><span class="o">.</span><span class="n">put</span><span class="p">((</span><span class="n">key</span><span class="p">,</span> <span class="n">value</span><span class="p">))</span>
<span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="n">exceptions</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
<span class="bp">self</span><span class="o">.</span><span class="n">exceptions_q</span><span class="o">.</span><span class="n">put</span><span class="p">((</span><span class="n">key</span><span class="p">,</span> <span class="n">value</span><span class="p">))</span></div>
<div class="viewcode-block" id="Boundary.run"><a class="viewcode-back" href="../../skyline.boundary.html#boundary.boundary.Boundary.run">[docs]</a> <span class="k">def</span> <span class="nf">run</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Called when the process intializes.</span>
<span class="sd"> """</span>
<span class="c1"># Log management to prevent overwriting</span>
<span class="c1"># Allow the bin/<skyline_app>.d to manage the log</span>
<span class="k">if</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">isfile</span><span class="p">(</span><span class="n">skyline_app_logwait</span><span class="p">):</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">os</span><span class="o">.</span><span class="n">remove</span><span class="p">(</span><span class="n">skyline_app_logwait</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">OSError</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s1">'error :: failed to remove </span><span class="si">%s</span><span class="s1">, continuing'</span> <span class="o">%</span> <span class="n">skyline_app_logwait</span><span class="p">)</span>
<span class="k">pass</span>
<span class="n">now</span> <span class="o">=</span> <span class="n">time</span><span class="p">()</span>
<span class="n">log_wait_for</span> <span class="o">=</span> <span class="n">now</span> <span class="o">+</span> <span class="mi">5</span>
<span class="k">while</span> <span class="n">now</span> <span class="o"><</span> <span class="n">log_wait_for</span><span class="p">:</span>
<span class="k">if</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">isfile</span><span class="p">(</span><span class="n">skyline_app_loglock</span><span class="p">):</span>
<span class="n">sleep</span><span class="p">(</span><span class="o">.</span><span class="mi">1</span><span class="p">)</span>
<span class="n">now</span> <span class="o">=</span> <span class="n">time</span><span class="p">()</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">now</span> <span class="o">=</span> <span class="n">log_wait_for</span> <span class="o">+</span> <span class="mi">1</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'starting </span><span class="si">%s</span><span class="s1"> run'</span> <span class="o">%</span> <span class="n">skyline_app</span><span class="p">)</span>
<span class="k">if</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">isfile</span><span class="p">(</span><span class="n">skyline_app_loglock</span><span class="p">):</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s1">'error :: bin/</span><span class="si">%s</span><span class="s1">.d log management seems to have failed, continuing'</span> <span class="o">%</span> <span class="n">skyline_app</span><span class="p">)</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">os</span><span class="o">.</span><span class="n">remove</span><span class="p">(</span><span class="n">skyline_app_loglock</span><span class="p">)</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'log lock file removed'</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">OSError</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s1">'error :: failed to remove </span><span class="si">%s</span><span class="s1">, continuing'</span> <span class="o">%</span> <span class="n">skyline_app_loglock</span><span class="p">)</span>
<span class="k">pass</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'bin/</span><span class="si">%s</span><span class="s1">.d log management done'</span> <span class="o">%</span> <span class="n">skyline_app</span><span class="p">)</span>
<span class="k">while</span> <span class="mi">1</span><span class="p">:</span>
<span class="n">now</span> <span class="o">=</span> <span class="n">time</span><span class="p">()</span>
<span class="c1"># Make sure Redis is up</span>
<span class="k">try</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">redis_conn</span><span class="o">.</span><span class="n">ping</span><span class="p">()</span>
<span class="k">except</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s1">'error :: skyline cannot connect to redis at socket path </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="n">settings</span><span class="o">.</span><span class="n">REDIS_SOCKET_PATH</span><span class="p">)</span>
<span class="n">sleep</span><span class="p">(</span><span class="mi">10</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">redis_conn</span> <span class="o">=</span> <span class="n">StrictRedis</span><span class="p">(</span><span class="n">unix_socket_path</span><span class="o">=</span><span class="n">settings</span><span class="o">.</span><span class="n">REDIS_SOCKET_PATH</span><span class="p">)</span>
<span class="k">continue</span>
<span class="c1"># Report app up</span>
<span class="bp">self</span><span class="o">.</span><span class="n">redis_conn</span><span class="o">.</span><span class="n">setex</span><span class="p">(</span><span class="n">skyline_app</span><span class="p">,</span> <span class="mi">120</span><span class="p">,</span> <span class="n">now</span><span class="p">)</span>
<span class="c1"># Discover unique metrics</span>
<span class="n">unique_metrics</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">redis_conn</span><span class="o">.</span><span class="n">smembers</span><span class="p">(</span><span class="n">settings</span><span class="o">.</span><span class="n">FULL_NAMESPACE</span> <span class="o">+</span> <span class="s1">'unique_metrics'</span><span class="p">))</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">unique_metrics</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'no metrics in redis. try adding some - see README'</span><span class="p">)</span>
<span class="n">sleep</span><span class="p">(</span><span class="mi">10</span><span class="p">)</span>
<span class="k">continue</span>
<span class="c1"># Reset boundary_metrics</span>
<span class="n">boundary_metrics</span> <span class="o">=</span> <span class="p">[]</span>
<span class="c1"># Build boundary metrics</span>
<span class="k">for</span> <span class="n">metric_name</span> <span class="ow">in</span> <span class="n">unique_metrics</span><span class="p">:</span>
<span class="k">for</span> <span class="n">metric</span> <span class="ow">in</span> <span class="n">BOUNDARY_METRICS</span><span class="p">:</span>
<span class="n">CHECK_MATCH_PATTERN</span> <span class="o">=</span> <span class="n">metric</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="n">check_match_pattern</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">compile</span><span class="p">(</span><span class="n">CHECK_MATCH_PATTERN</span><span class="p">)</span>
<span class="n">base_name</span> <span class="o">=</span> <span class="n">metric_name</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">settings</span><span class="o">.</span><span class="n">FULL_NAMESPACE</span><span class="p">,</span> <span class="s1">''</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="n">pattern_match</span> <span class="o">=</span> <span class="n">check_match_pattern</span><span class="o">.</span><span class="n">match</span><span class="p">(</span><span class="n">base_name</span><span class="p">)</span>
<span class="k">if</span> <span class="n">pattern_match</span><span class="p">:</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: boundary metric - pattern MATCHED - '</span> <span class="o">+</span> <span class="n">metric</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">+</span> <span class="s2">" | "</span> <span class="o">+</span> <span class="n">base_name</span><span class="p">)</span>
<span class="n">boundary_metrics</span><span class="o">.</span><span class="n">append</span><span class="p">([</span><span class="n">metric_name</span><span class="p">,</span> <span class="n">metric</span><span class="p">[</span><span class="mi">1</span><span class="p">]])</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: boundary metrics - '</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">boundary_metrics</span><span class="p">))</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">boundary_metrics</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'no Boundary metrics in redis. try adding some - see README'</span><span class="p">)</span>
<span class="n">sleep</span><span class="p">(</span><span class="mi">10</span><span class="p">)</span>
<span class="k">continue</span>
<span class="c1"># Spawn processes</span>
<span class="n">pids</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="n">settings</span><span class="o">.</span><span class="n">BOUNDARY_PROCESSES</span> <span class="o">+</span> <span class="mi">1</span><span class="p">):</span>
<span class="k">if</span> <span class="n">i</span> <span class="o">></span> <span class="nb">len</span><span class="p">(</span><span class="n">boundary_metrics</span><span class="p">):</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'WARNING: Skyline Boundary is set for more cores than needed.'</span><span class="p">)</span>
<span class="k">break</span>
<span class="n">p</span> <span class="o">=</span> <span class="n">Process</span><span class="p">(</span><span class="n">target</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">spin_process</span><span class="p">,</span> <span class="n">args</span><span class="o">=</span><span class="p">(</span><span class="n">i</span><span class="p">,</span> <span class="n">boundary_metrics</span><span class="p">))</span>
<span class="n">pids</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">p</span><span class="p">)</span>
<span class="n">p</span><span class="o">.</span><span class="n">start</span><span class="p">()</span>
<span class="c1"># Send wait signal to zombie processes</span>
<span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">pids</span><span class="p">:</span>
<span class="n">p</span><span class="o">.</span><span class="n">join</span><span class="p">()</span>
<span class="c1"># Grab data from the queue and populate dictionaries</span>
<span class="n">exceptions</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">()</span>
<span class="n">anomaly_breakdown</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">()</span>
<span class="k">while</span> <span class="mi">1</span><span class="p">:</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">anomaly_breakdown_q</span><span class="o">.</span><span class="n">get_nowait</span><span class="p">()</span>
<span class="k">if</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">anomaly_breakdown</span><span class="o">.</span><span class="n">keys</span><span class="p">():</span>
<span class="n">anomaly_breakdown</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">value</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">anomaly_breakdown</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">+=</span> <span class="n">value</span>
<span class="k">except</span> <span class="n">Empty</span><span class="p">:</span>
<span class="k">break</span>
<span class="k">while</span> <span class="mi">1</span><span class="p">:</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">exceptions_q</span><span class="o">.</span><span class="n">get_nowait</span><span class="p">()</span>
<span class="k">if</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">exceptions</span><span class="o">.</span><span class="n">keys</span><span class="p">():</span>
<span class="n">exceptions</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">value</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">exceptions</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">+=</span> <span class="n">value</span>
<span class="k">except</span> <span class="n">Empty</span><span class="p">:</span>
<span class="k">break</span>
<span class="c1"># Send alerts</span>
<span class="k">if</span> <span class="n">settings</span><span class="o">.</span><span class="n">BOUNDARY_ENABLE_ALERTS</span><span class="p">:</span>
<span class="k">for</span> <span class="n">anomalous_metric</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">anomalous_metrics</span><span class="p">:</span>
<span class="n">datapoint</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="n">anomalous_metric</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span>
<span class="n">metric_name</span> <span class="o">=</span> <span class="n">anomalous_metric</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
<span class="n">base_name</span> <span class="o">=</span> <span class="n">metric_name</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">FULL_NAMESPACE</span><span class="p">,</span> <span class="s1">''</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="n">expiration_time</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="n">anomalous_metric</span><span class="p">[</span><span class="mi">2</span><span class="p">])</span>
<span class="n">metric_trigger</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="n">anomalous_metric</span><span class="p">[</span><span class="mi">5</span><span class="p">])</span>
<span class="n">alert_threshold</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">anomalous_metric</span><span class="p">[</span><span class="mi">6</span><span class="p">])</span>
<span class="n">metric_alerters</span> <span class="o">=</span> <span class="n">anomalous_metric</span><span class="p">[</span><span class="mi">7</span><span class="p">]</span>
<span class="n">algorithm</span> <span class="o">=</span> <span class="n">anomalous_metric</span><span class="p">[</span><span class="mi">8</span><span class="p">]</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"debug :: anomalous_metric - "</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">anomalous_metric</span><span class="p">))</span>
<span class="c1"># Determine how many times has the anomaly been seen if the</span>
<span class="c1"># ALERT_THRESHOLD is set to > 1 and create a cache key in</span>
<span class="c1"># redis to keep count so that alert_threshold can be honored</span>
<span class="k">if</span> <span class="n">alert_threshold</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
<span class="n">times_seen</span> <span class="o">=</span> <span class="mi">1</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"debug :: alert_threshold - "</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">alert_threshold</span><span class="p">))</span>
<span class="k">if</span> <span class="n">alert_threshold</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span>
<span class="n">times_seen</span> <span class="o">=</span> <span class="mi">1</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"debug :: alert_threshold - "</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">alert_threshold</span><span class="p">))</span>
<span class="k">if</span> <span class="n">alert_threshold</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: alert_threshold - '</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">alert_threshold</span><span class="p">))</span>
<span class="n">anomaly_cache_key_count_set</span> <span class="o">=</span> <span class="bp">False</span>
<span class="n">anomaly_cache_key_expiration_time</span> <span class="o">=</span> <span class="p">(</span><span class="nb">int</span><span class="p">(</span><span class="n">alert_threshold</span><span class="p">)</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)</span> <span class="o">*</span> <span class="mi">60</span>
<span class="n">anomaly_cache_key</span> <span class="o">=</span> <span class="s1">'anomaly_seen.</span><span class="si">%s</span><span class="s1">.</span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">algorithm</span><span class="p">,</span> <span class="n">base_name</span><span class="p">)</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">anomaly_cache_key_count</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">redis_conn</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">anomaly_cache_key</span><span class="p">)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">anomaly_cache_key_count</span><span class="p">:</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: redis no anomaly_cache_key - '</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">anomaly_cache_key</span><span class="p">))</span>
<span class="n">times_seen</span> <span class="o">=</span> <span class="mi">1</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: redis setex anomaly_cache_key - '</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">anomaly_cache_key</span><span class="p">))</span>
<span class="bp">self</span><span class="o">.</span><span class="n">redis_conn</span><span class="o">.</span><span class="n">setex</span><span class="p">(</span><span class="n">anomaly_cache_key</span><span class="p">,</span> <span class="n">anomaly_cache_key_expiration_time</span><span class="p">,</span> <span class="n">packb</span><span class="p">(</span><span class="nb">int</span><span class="p">(</span><span class="n">times_seen</span><span class="p">)))</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'set anomaly seen key :: </span><span class="si">%s</span><span class="s1"> seen </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">anomaly_cache_key</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">times_seen</span><span class="p">)))</span>
<span class="k">except</span> <span class="ne">Exception</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s1">'error :: redis setex failed :: </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">anomaly_cache_key</span><span class="p">))</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s1">'error :: could not set key: </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="n">e</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: redis anomaly_cache_key retrieved OK - '</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">anomaly_cache_key</span><span class="p">))</span>
<span class="n">anomaly_cache_key_count_set</span> <span class="o">=</span> <span class="bp">True</span>
<span class="k">except</span><span class="p">:</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: redis failed - anomaly_cache_key retrieval failed - '</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">anomaly_cache_key</span><span class="p">))</span>
<span class="n">anomaly_cache_key_count_set</span> <span class="o">=</span> <span class="bp">False</span>
<span class="k">if</span> <span class="n">anomaly_cache_key_count_set</span><span class="p">:</span>
<span class="n">unpacker</span> <span class="o">=</span> <span class="n">Unpacker</span><span class="p">(</span><span class="n">use_list</span><span class="o">=</span><span class="bp">False</span><span class="p">)</span>
<span class="n">unpacker</span><span class="o">.</span><span class="n">feed</span><span class="p">(</span><span class="n">anomaly_cache_key_count</span><span class="p">)</span>
<span class="n">raw_times_seen</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">unpacker</span><span class="p">)</span>
<span class="n">times_seen</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">raw_times_seen</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span> <span class="o">+</span> <span class="mi">1</span>
<span class="k">try</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">redis_conn</span><span class="o">.</span><span class="n">setex</span><span class="p">(</span><span class="n">anomaly_cache_key</span><span class="p">,</span> <span class="n">anomaly_cache_key_expiration_time</span><span class="p">,</span> <span class="n">packb</span><span class="p">(</span><span class="nb">int</span><span class="p">(</span><span class="n">times_seen</span><span class="p">)))</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'set anomaly seen key :: </span><span class="si">%s</span><span class="s1"> seen </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">anomaly_cache_key</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">times_seen</span><span class="p">)))</span>
<span class="k">except</span><span class="p">:</span>
<span class="n">times_seen</span> <span class="o">=</span> <span class="mi">1</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s1">'error :: set anomaly seen key failed :: </span><span class="si">%s</span><span class="s1"> seen </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">anomaly_cache_key</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">times_seen</span><span class="p">)))</span>
<span class="c1"># Alert the alerters if times_seen > alert_threshold</span>
<span class="k">if</span> <span class="n">times_seen</span> <span class="o">>=</span> <span class="n">alert_threshold</span><span class="p">:</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: times_seen </span><span class="si">%s</span><span class="s1"> is greater than or equal to alert_threshold </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">times_seen</span><span class="p">),</span> <span class="nb">str</span><span class="p">(</span><span class="n">alert_threshold</span><span class="p">)))</span>
<span class="k">for</span> <span class="n">alerter</span> <span class="ow">in</span> <span class="n">metric_alerters</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">"|"</span><span class="p">):</span>
<span class="c1"># Determine alerter limits</span>
<span class="n">send_alert</span> <span class="o">=</span> <span class="bp">False</span>
<span class="n">alerts_sent</span> <span class="o">=</span> <span class="mi">0</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: checking alerter - </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="n">alerter</span><span class="p">)</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: determining alerter_expiration_time for settings'</span><span class="p">)</span>
<span class="n">alerter_expiration_time_setting</span> <span class="o">=</span> <span class="n">settings</span><span class="o">.</span><span class="n">BOUNDARY_ALERTER_OPTS</span><span class="p">[</span><span class="s1">'alerter_expiration_time'</span><span class="p">][</span><span class="n">alerter</span><span class="p">]</span>
<span class="n">alerter_expiration_time</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">alerter_expiration_time_setting</span><span class="p">)</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: determined alerter_expiration_time from settings - </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">alerter_expiration_time</span><span class="p">))</span>
<span class="k">except</span><span class="p">:</span>
<span class="c1"># Set an arbitrary expiry time if not set</span>
<span class="n">alerter_expiration_time</span> <span class="o">=</span> <span class="mi">160</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"debug :: could not determine alerter_expiration_time from settings"</span><span class="p">)</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"debug :: determining alerter_limit from settings"</span><span class="p">)</span>
<span class="n">alerter_limit_setting</span> <span class="o">=</span> <span class="n">settings</span><span class="o">.</span><span class="n">BOUNDARY_ALERTER_OPTS</span><span class="p">[</span><span class="s1">'alerter_limit'</span><span class="p">][</span><span class="n">alerter</span><span class="p">]</span>
<span class="n">alerter_limit</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">alerter_limit_setting</span><span class="p">)</span>
<span class="n">alerter_limit_set</span> <span class="o">=</span> <span class="bp">True</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"debug :: determined alerter_limit from settings - </span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">alerter_limit</span><span class="p">))</span>
<span class="k">except</span><span class="p">:</span>
<span class="n">alerter_limit_set</span> <span class="o">=</span> <span class="bp">False</span>
<span class="n">send_alert</span> <span class="o">=</span> <span class="bp">True</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"debug :: could not determine alerter_limit from settings"</span><span class="p">)</span>
<span class="c1"># If the alerter_limit is set determine how many</span>
<span class="c1"># alerts the alerter has sent</span>
<span class="k">if</span> <span class="n">alerter_limit_set</span><span class="p">:</span>
<span class="n">alerter_sent_count_key</span> <span class="o">=</span> <span class="s1">'alerts_sent.</span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">alerter</span><span class="p">)</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">alerter_sent_count_key_data</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">redis_conn</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">alerter_sent_count_key</span><span class="p">)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">alerter_sent_count_key_data</span><span class="p">:</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"debug :: redis no alerter key, no alerts sent for - "</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">alerter_sent_count_key</span><span class="p">))</span>
<span class="n">alerts_sent</span> <span class="o">=</span> <span class="mi">0</span>
<span class="n">send_alert</span> <span class="o">=</span> <span class="bp">True</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"debug :: alerts_sent set to </span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">alerts_sent</span><span class="p">))</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"debug :: send_alert set to </span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">sent_alert</span><span class="p">))</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"debug :: redis alerter key retrieved, unpacking"</span> <span class="o">+</span> <span class="nb">str</span><span class="p">(</span><span class="n">alerter_sent_count_key</span><span class="p">))</span>
<span class="n">unpacker</span> <span class="o">=</span> <span class="n">Unpacker</span><span class="p">(</span><span class="n">use_list</span><span class="o">=</span><span class="bp">False</span><span class="p">)</span>
<span class="n">unpacker</span><span class="o">.</span><span class="n">feed</span><span class="p">(</span><span class="n">alerter_sent_count_key_data</span><span class="p">)</span>
<span class="n">raw_alerts_sent</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">unpacker</span><span class="p">)</span>
<span class="n">alerts_sent</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">raw_alerts_sent</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"debug :: alerter </span><span class="si">%s</span><span class="s2"> alerts sent </span><span class="si">%s</span><span class="s2"> "</span> <span class="o">%</span> <span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">alerter</span><span class="p">),</span> <span class="nb">str</span><span class="p">(</span><span class="n">alerts_sent</span><span class="p">)))</span>
<span class="k">except</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"No key set - </span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="n">alerter_sent_count_key</span><span class="p">)</span>
<span class="n">alerts_sent</span> <span class="o">=</span> <span class="mi">0</span>
<span class="n">send_alert</span> <span class="o">=</span> <span class="bp">True</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"debug :: alerts_sent set to </span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">alerts_sent</span><span class="p">))</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"debug :: send_alert set to </span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">send_alert</span><span class="p">))</span>
<span class="k">if</span> <span class="n">alerts_sent</span> <span class="o"><</span> <span class="n">alerter_limit</span><span class="p">:</span>
<span class="n">send_alert</span> <span class="o">=</span> <span class="bp">True</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"debug :: alerts_sent </span><span class="si">%s</span><span class="s2"> is less than alerter_limit </span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">alerts_sent</span><span class="p">),</span> <span class="nb">str</span><span class="p">(</span><span class="n">alerter_limit</span><span class="p">)))</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"debug :: send_alert set to </span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">send_alert</span><span class="p">))</span>
<span class="c1"># Send alert</span>
<span class="n">alerter_alert_sent</span> <span class="o">=</span> <span class="bp">False</span>
<span class="k">if</span> <span class="n">send_alert</span><span class="p">:</span>
<span class="n">cache_key</span> <span class="o">=</span> <span class="s1">'last_alert.boundary.</span><span class="si">%s</span><span class="s1">.</span><span class="si">%s</span><span class="s1">.</span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">alerter</span><span class="p">,</span> <span class="n">base_name</span><span class="p">,</span> <span class="n">algorithm</span><span class="p">)</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"debug :: checking cache_key - </span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="n">cache_key</span><span class="p">)</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">last_alert</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">redis_conn</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">cache_key</span><span class="p">)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">last_alert</span><span class="p">:</span>
<span class="k">try</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">redis_conn</span><span class="o">.</span><span class="n">setex</span><span class="p">(</span><span class="n">cache_key</span><span class="p">,</span> <span class="nb">int</span><span class="p">(</span><span class="n">anomalous_metric</span><span class="p">[</span><span class="mi">2</span><span class="p">]),</span> <span class="n">packb</span><span class="p">(</span><span class="nb">int</span><span class="p">(</span><span class="n">anomalous_metric</span><span class="p">[</span><span class="mi">0</span><span class="p">])))</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'debug :: key setex OK - </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">cache_key</span><span class="p">))</span>
<span class="n">trigger_alert</span><span class="p">(</span><span class="n">alerter</span><span class="p">,</span> <span class="n">datapoint</span><span class="p">,</span> <span class="n">base_name</span><span class="p">,</span> <span class="n">expiration_time</span><span class="p">,</span> <span class="n">metric_trigger</span><span class="p">,</span> <span class="n">algorithm</span><span class="p">)</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'alert sent :: </span><span class="si">%s</span><span class="s1"> - </span><span class="si">%s</span><span class="s1"> - via </span><span class="si">%s</span><span class="s1"> - </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">base_name</span><span class="p">,</span> <span class="n">datapoint</span><span class="p">,</span> <span class="n">alerter</span><span class="p">,</span> <span class="n">algorithm</span><span class="p">))</span>
<span class="n">trigger_alert</span><span class="p">(</span><span class="s2">"syslog"</span><span class="p">,</span> <span class="n">datapoint</span><span class="p">,</span> <span class="n">base_name</span><span class="p">,</span> <span class="n">expiration_time</span><span class="p">,</span> <span class="n">metric_trigger</span><span class="p">,</span> <span class="n">algorithm</span><span class="p">)</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'alert sent :: </span><span class="si">%s</span><span class="s1"> - </span><span class="si">%s</span><span class="s1"> - via syslog - </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">base_name</span><span class="p">,</span> <span class="n">datapoint</span><span class="p">,</span> <span class="n">algorithm</span><span class="p">))</span>
<span class="n">alerter_alert_sent</span> <span class="o">=</span> <span class="bp">True</span>
<span class="k">except</span> <span class="ne">Exception</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s1">'error :: alert failed :: </span><span class="si">%s</span><span class="s1"> - </span><span class="si">%s</span><span class="s1"> - via </span><span class="si">%s</span><span class="s1"> - </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">base_name</span><span class="p">,</span> <span class="n">datapoint</span><span class="p">,</span> <span class="n">alerter</span><span class="p">,</span> <span class="n">algorithm</span><span class="p">))</span>
<span class="n">logger</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s1">'error :: could not send alert: </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="nb">str</span><span class="p">(</span><span class="n">e</span><span class="p">))</span>
<span class="n">trigger_alert</span><span class="p">(</span><span class="s1">'syslog'</span><span class="p">,</span> <span class="n">datapoint</span><span class="p">,</span> <span class="n">base_name</span><span class="p">,</span> <span class="n">expiration_time</span><span class="p">,</span> <span class="n">metric_trigger</span><span class="p">,</span> <span class="n">algorithm</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">if</span> <span class="n">ENABLE_BOUNDARY_DEBUG</span><span class="p">:</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s2">"debug :: cache_key exists not alerting via </span><span class="si">%s</span><span class="s2"> for </span><span class="si">%s</span><span class="s2"> is less than alerter_limit </span><span class="si">%s</span><span class="s2">"</span> <span class="o">%</span> <span class="p">(</span><span class="n">alerter</span><span class="p">,</span> <span class="n">cache_key</span><span class="p">))</span>
<span class="n">trigger_alert</span><span class="p">(</span><span class="s2">"syslog"</span><span class="p">,</span> <span class="n">datapoint</span><span class="p">,</span> <span class="n">base_name</span><span class="p">,</span> <span class="n">expiration_time</span><span class="p">,</span> <span class="n">metric_trigger</span><span class="p">,</span> <span class="n">algorithm</span><span class="p">)</span>
<span class="n">logger</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'alert sent :: </span><span class="si">%s</span><span class="s1"> - </span><span class="si">%s</span><span class="s1"> - via syslog - </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">base_name</span><span class="p">,</span> <span class="n">datapoint</span><span class="p">,</span> <span class="n">algorithm</span><span class="p">))</span>