CDAP-7660 Use scripts to check status of CDAP Auth Server/Router

alerts.json

@@ -23,28 +23,8 @@
         "scope": "ANY",
         "enabled": true,
         "source": {
-          "type": "WEB",
-          "uri": {
-            "http": "{{hostname}}:{{cdap-site/router.bind.port}}/status",
-            "https": "{{hostname}}:{{cdap-site/router.ssl.bind.port}}/status",
-            "https_property": "{{cdap-site/ssl.enabled}}",
-            "https_property_value": "true",
-            "default_port": 11015,
-            "connection_timeout": 5.0
-          },
-          "reporting": {
-            "ok": {
-              "text": "HTTP {0} response in {2:.3f}s"
-            },
-            "warning": {
-              "text": "HTTP {0} response from {1} in {2:.3f}s ({3})",
-              "value": 1.5
-            },
-            "critical": {
-              "text": "Connection failed to {1} ({3})",
-              "value": 5.0
-            }
-          }
+          "type": "SCRIPT",
+          "path": "CDAP/3.6.0-SNAPSHOT/package/alerts/alert_cdap_router_status.py"
         }
       }
     ],
@@ -86,11 +66,11 @@
         "source": {
           "type": "WEB",
           "uri": {
-            "http": "{{hostname}}:{{cdap-site/dashboard.bind.port}}/status",
-            "https": "{{hostname}}:{{cdap-site/dashboard.ssl.bind.port}}/status",
+            "http": "{{hostname}}:{{cdap-site/dashboard.bind.port}}",
+            "https": "{{hostname}}:{{cdap-site/dashboard.ssl.bind.port}}",
             "https_property": "{{cdap-site/ssl.enabled}}",
             "https_property_value": "true",
-            "default_port": 9999,
+            "default_port": 11011,
             "connection_timeout": 5.0
           },
           "reporting": {
@@ -118,28 +98,8 @@
         "scope": "ANY",
         "enabled": true,
         "source": {
-          "type": "WEB",
-          "uri": {
-            "http": "{{hostname}}:{{cdap-site/security.auth.server.bind.port}}/status",
-            "https": "{{hostname}}:{{cdap-site/security.auth.server.ssl.bind.port}}/status",
-            "https_property": "{{cdap-site/ssl.enabled}}",
-            "https_property_value": "true",
-            "default_port": 10009,
-            "connection_timeout": 5.0
-          },
-          "reporting": {
-            "ok": {
-              "text": "HTTP {0} response in {2:.3f}s"
-            },
-            "warning": {
-              "text": "HTTP {0} response from {1} in {2:.3f}s ({3})",
-              "value": 1.5
-            },
-            "critical": {
-              "text": "Connection failed to {1} ({3})",
-              "value": 5.0
-            }
-          }
+          "type": "SCRIPT",
+          "path": "CDAP/3.6.0-SNAPSHOT/package/alerts/alert_cdap_auth_server_status.py"
         }
       }
     ]

package/alerts/alert_cdap_auth_server_status.py

@@ -0,0 +1,37 @@
+# coding=utf8
+# Copyright © 2016 Cask Data, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License. You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations under
+# the License.
+#
+
+import logging
+
+from resource_management import *
+
+RESULT_STATE_OK = 'OK'
+RESULT_STATE_CRITICAL = 'CRITICAL'
+RESULT_STATE_UNKNOWN = 'UNKNOWN'
+
+LOGGER_EXCEPTION_MESSAGE = "[Alert] CDAP Auth Server Health on {0} fails:"
+logger = logging.getLogger('ambari_alerts')
+
+
+def execute(configurations={}, parameters={}, host_name=None):
+    if configurations is None:
+        return (RESULT_STATE_UNKNOWN, ['There were no configurations supplied to the script.'])
+    try:
+        check_cmd = format('service cdap-auth-server status')
+        Execute(check_cmd, timeout=5)
+        return(RESULT_STATE_OK, ['Auth Server OK - CDAP Auth Server is running'])
+    except:
+        return(RESULT_STATE_CRITICAL, [LOGGER_EXCEPTION_MESSAGE])

package/alerts/alert_cdap_router_status.py

@@ -0,0 +1,37 @@
+# coding=utf8
+# Copyright © 2016 Cask Data, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License. You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations under
+# the License.
+#
+
+import logging
+
+from resource_management import *
+
+RESULT_STATE_OK = 'OK'
+RESULT_STATE_CRITICAL = 'CRITICAL'
+RESULT_STATE_UNKNOWN = 'UNKNOWN'
+
+LOGGER_EXCEPTION_MESSAGE = "[Alert] CDAP Router Health on {0} fails:"
+logger = logging.getLogger('ambari_alerts')
+
+
+def execute(configurations={}, parameters={}, host_name=None):
+    if configurations is None:
+        return (RESULT_STATE_UNKNOWN, ['There were no configurations supplied to the script.'])
+    try:
+        check_cmd = format('service cdap-router status')
+        Execute(check_cmd, timeout=5)
+        return(RESULT_STATE_OK, ['Router OK - CDAP Router is running'])
+    except:
+        return(RESULT_STATE_CRITICAL, [LOGGER_EXCEPTION_MESSAGE])