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  1. +202 −0 LICENSE
  2. +1 −0 NOTICE
  3. +3 −0 README
  4. +9 −0 cassconf.py.example
  5. +130 −0 run.py
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@@ -0,0 +1 @@
+Contains software written by Paul Querna (http://paul.querna.org)
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+Cassandra Cloud Benchmark boots up cloud servers, downloads the latest
+build from Hudson, installs Cassandra, and then runs the standard py_stress
+several times.
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+
+# your rackspace username
+USERNAME=""
+# your rackspace secret key
+SECRET=""
+# number of nodes to use for the cassandra cluster,
+# we always boot CLUSTER_SIZE + 1, the extra node is used
+# to run the benchmark client
+CLUSTER_SIZE=1
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+#!/usr/bin/python
+# Licensed to Paul Querna under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# libcloud.org licenses this file to You 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.
+
+
+HUDSON_ROOT = "http://hudson.zones.apache.org/hudson/job/Cassandra/"
+
+JSON_API = HUDSON_ROOT + "lastSuccessfulBuild/api/json"
+ARTIFACT_ROOT = HUDSON_ROOT + "lastSuccessfulBuild/artifact"
+
+import cassconf
+import paramiko
+from libcloud.types import Provider
+from libcloud.providers import get_driver
+from libcloud.deployment import SSHKeyDeployment
+
+from os.path import join as pjoin
+import urllib2
+import tempfile
+import shutil
+try:
+ import simplejson as json
+except ImportError:
+ import json
+
+def log(str):
+ print str
+
+def get_hudson_data():
+ data = urllib2.urlopen(JSON_API).read()
+ hud = json.loads(data)
+ return hud
+
+# only tested on rackspace, should be trivial to port!
+def get_libcloud_driver():
+ return get_driver(Provider.RACKSPACE)(cassconf.USERNAME, cassconf.SECRET)
+
+def artifact_buildnumber(hud):
+ return hud["number"]
+
+def artifact_url(hud):
+ artifacts = [x["relativePath"] for x in hud["artifacts"]]
+ tarurl = ARTIFACT_ROOT +"/"+ filter(lambda x: x.find("-bin") != -1, artifacts)[0]
+ return tarurl
+
+def get_artifact(tempdir, url):
+ tarball = url[url.rfind("/")+1:]
+ localpath = pjoin(tempdir, tarball)
+ log("Downloading build from %s to %s" % (url, localpath))
+ fp = open(localpath, 'w')
+ fp.write(urllib2.urlopen(url).read())
+ fp.close()
+ return localpath
+
+def boot_servers(driver, count, pubkey):
+ loc = driver.list_locations()[0]
+ size = filter(lambda x: x.ram == 256, driver.list_sizes(loc))[0]
+ image = filter(lambda x: x.name.find("karmic") != -1, driver.list_images(loc))[0]
+ nodes = []
+ for i in range(count):
+ log("booting machine %d with %s on %s size node" % (i, image.name, size.name))
+ d = SSHKeyDeployment(pubkey)
+ node = driver.deploy_node(name="cbench%d.querna.org" % (i),
+ location=loc, image=image, size=size, deploy=d)
+ nodes.append(node)
+ return nodes
+
+def exec_wait(client, cmd):
+ log("Running `%s`")
+ stdin, stdout, stderr = client.exec_command(cmd)
+ stdin.close()
+ return stdout.read(), stderr.read()
+
+def push_files(key, local, servers):
+ tarball = local[local.rfind("/")+1:]
+ for s in servers:
+ conninfo = {'hostname': s.public_ip[0],
+ 'port': 22,
+ 'username': 'root',
+ 'pkey': key,
+ 'allow_agent': False,
+ 'look_for_keys': False}
+ client = paramiko.SSHClient()
+ client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+ client.connect(**conninfo)
+ try:
+ sftp = client.open_sftp()
+ sftp.put(local, tarball)
+ print exec_wait(client, "tar -xvzf %s" % (tarball))
+ dname = tarball[:tarball.rfind("-")]
+ sftp.symlink(dname, "cassandra")
+ finally:
+ client.close()
+
+def main():
+ tempdir = tempfile.mkdtemp(prefix="cassandra-bench")
+ try:
+ hud = get_hudson_data()
+ url = artifact_url(hud)
+ buildnum = artifact_buildnumber(hud)
+ data = urllib2.urlopen(JSON_API).read()
+ local = get_artifact(tempdir, url)
+ key = paramiko.RSAKey.generate(2048)
+ key.write_private_key_file(pjoin(tempdir, "id_rsa"))
+ pubkey = "ssh-rsa %s cassandrabench@paul.querna.org" % (key.get_base64())
+ driver = get_libcloud_driver()
+ servers = boot_servers(driver, cassconf.CLUSTER_SIZE, pubkey)
+ push_files(key, local, servers)
+ #
+ finally:
+ print "Cleaning up "+ tempdir
+ #shutil.rmtree(tempdir)
+ log("Cleaning up any booted servers....")
+ driver = get_libcloud_driver()
+ [n.destroy() for n in driver.list_nodes() if n.name.find('cbench') != -1]
+
+if __name__ == "__main__":
+ main()

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