add check_graphite

Signed-off-by: Pavel Pulec <[email protected]>

README.md

@@ -289,6 +289,11 @@ An example Vagrant project has been included to get you started right away.
         <td><a href="https://github.com/gmykhailiuta">gmykhailiuta</a></td>
         <td><a href="https://raw.githubusercontent.com/gmykhailiuta/check_zmstatus/master/check_zmstatus.pl">upstream</a></td>
     </tr>
+    <tr>
+        <td>check_graphite</td>
+        <td><a href="https://github.com/datacratic">datacratic</a></td>
+        <td><a href="https://github.com/datacratic/check_graphite">upstream</a></td>
+    </tr>
 
 
 

build.txt

@@ -5,6 +5,7 @@ check_bacula                          0.0.5
 check_collective-access.rb            1.0
 check_crm                             0.7
 check_drbd                            3e0b548f55
+check_graphite                        1.0
 check_iostat                          0.0.4
 check_ipsec                           2.0
 check_linux-procstat.pl               0.4

check_graphite

@@ -0,0 +1,94 @@
+#!/usr/bin/python
+
+# Copyright (c) 2011 Recoset <[email protected]>
+# 
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+# 
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+from NagAconda import Plugin
+import urllib2
+
+def f_avg(values):
+  return sum(values)/len(values);
+
+def f_last(values):
+  return values[-1]
+
+def f_min(values):
+  return min(values)
+
+def f_max(values):
+  return max(values)
+
+functionmap = {
+  "avg":{  "label": "average", "function": f_avg },
+  "last":{ "label": "last",    "function": f_last },
+  "min":{  "label": "minimum", "function": f_min },
+  "max":{  "label": "maximum", "function": f_max },
+}
+
+graphite = Plugin("Plugin to retrieve data from graphite", "1.0")
+graphite.add_option("u", "url", "URL to query for data", required=True)
+graphite.add_option("U", "username", "User for authentication")
+graphite.add_option("P", "password", "Password for authentication")
+graphite.add_option("H", "hostname", "Host name to use in the URL")
+graphite.add_option("n", "none", "Ignore None values: 'yes' or 'no' (default no)")
+graphite.add_option("f", "function", "Function to run on retrieved values: avg/min/max/last (default 'avg')",
+  default="avg")
+
+graphite.enable_status("warning")
+graphite.enable_status("critical")
+graphite.start()
+
+if graphite.options.username and graphite.options.password:
+  password_mgr = urllib2.HTTPPasswordMgrWithDefaultRealm()
+  password_mgr.add_password(None,uri=graphite.options.url,
+              user=graphite.options.username,
+              passwd=graphite.options.password)
+  auth_handler =urllib2.HTTPBasicAuthHandler(password_mgr)
+  opener = urllib2.build_opener(auth_handler)
+  urllib2.install_opener(opener)
+
+if graphite.options.hostname:
+  graphite.options.url = graphite.options.url.replace('@HOSTNAME@', 
+    graphite.options.hostname.replace('.','_'))
+
+usock = urllib2.urlopen(graphite.options.url)
+data = usock.read()
+usock.close()
+
+if graphite.options.function not in functionmap:
+  graphite.unknown_error("Bad function name given to -f/--function option: '%s'" % graphite.options.function)
+
+pieces = data.split("|")
+counter = pieces[0].split(",")[0]
+values = pieces[1].split(",")[:-1]
+
+if graphite.options.none == 'yes':
+  values = map(lambda x: float(x), filter(lambda x: x != 'None', values))
+else:
+  values = map(lambda x: 0.0 if x == 'None' else float(x), values)
+if len(values) == 0:
+  graphite.unknown_error("Graphite returned an empty list of values")
+else:
+  value = functionmap[graphite.options.function]["function"](values)
+
+graphite.set_value(counter, value)
+graphite.set_status_message("%s value of %s: %f" % (functionmap[graphite.options.function]["label"], counter, value))
+
+graphite.finish()