Merge pull request #158 from ndonegan/imapproxy

Added in an imapproxy plugin

plugins/mail/imapproxy_

@@ -0,0 +1,153 @@
+#!/usr/bin/env python
+
+"""=cut
+=head1 NAME 
+
+ imapproxy  - Munin Plugin to monitor imapproxy using pimpstat
+
+=head1 CONFIGURATION
+
+ This plugin should require no addition configuration.
+
+=head1 MAGIC MARKERS
+
+  #%# family=auto
+  #%# capabilities=autoconf suggest
+
+=head1 Author
+
+Niall Donegan <github@nialldonegan.me>
+
+=head1 LICENSE
+
+GPLv2
+
+=cut"""
+
+import sys
+import os
+import re
+from subprocess import Popen,PIPE
+
+
+def print_autoconf():
+    which = Popen("which pimpstat", shell=True, stdout=PIPE)
+    which.communicate()
+    if not bool(which.returncode):
+        print "yes"
+    else:
+        print "no (pimpstat not found)"
+    sys.exit(0)
+
+
+def print_config(graph):
+    if graph == "cache":
+        print "graph_title Cache Statistics For ImapProxy"
+        print "graph_args -l 0 --base 1000"
+        print "graph_total total"
+        print "graph_vlabel Cache Connections / ${graph_period}"
+        print "graph_category imapproxy"
+        print "cache_hits.draw AREA"
+        print "cache_hits.type DERIVE"
+        print "cache_hits.label Cache Hits"
+        print "cache_hits.min 0"
+        print "cache_misses.draw STACK"
+        print "cache_misses.type DERIVE"
+        print "cache_misses.label Cache Misses"
+        print "cache_misses.min 0"
+    if graph == "connections":
+        print "graph_title Connection Statistics For ImapProxy"
+        print "graph_args -l 0 --base 1000"
+        print "graph_total total"
+        print "graph_vlabel Connections / ${graph_period}"
+        print "graph_category imapproxy"
+        print "connections_reused.draw AREA"
+        print "connections_reused.type DERIVE"
+        print "connections_reused.label Reused Connections"
+        print "connections_reused.min 0"
+        print "connections_created.draw STACK"
+        print "connections_created.type DERIVE"
+        print "connections_created.label Created Connections"
+        print "connections_created.min 0"
+    sys.exit(0)
+
+
+def print_suggest():
+    print "cache"
+    print "connections"
+    sys.exit(0)
+
+def print_fetch(graph):
+    if graph == "cache":
+        hits = 0
+        misses = 0
+        cache = Popen(
+            "pimpstat -c | egrep 'Cache (Hits|Misses)'", 
+            shell=True,
+            stdout=PIPE
+        )
+        for line in cache.stdout:
+            if re.search(r'Hits', line):
+                hits = line.split()[0]
+            if re.search(r'Misses', line):
+                misses = line.split()[0]
+        print "cache_hits.value %s" % hits
+        print "cache_misses.value %s" % misses
+    if graph == "connections":
+        created = 0
+        reused = 0
+        connections = Popen(
+            "pimpstat -c | egrep 'Total (Reused|Created)'", 
+            shell=True,
+            stdout=PIPE
+        )
+        for line in connections.stdout:
+            if re.search(r'Created', line):
+                created = line.split()[0]
+            if re.search(r'Reused', line):
+                reused = line.split()[0]
+        print "connections_created.value %s" % created
+        print "connections_reused.value %s" % resused
+
+    sys.exit(0)
+
+def main():
+    basename = "imapproxy_"
+    calledname = os.path.basename(sys.argv[0])
+
+    if len(sys.argv) > 1:
+        command = sys.argv[1]
+    else:
+        command = "fetch"
+
+    if calledname == basename and command == "fetch":
+        print >> sys.stderr, "Please use either suggest or autoconf"
+        sys.exit(1)
+    if calledname == basename and command not in ["autoconf","suggest"]:
+        print >> sys.stderr, "Command %s not known, please use either autoconf or suggest" % command
+        sys.exit(1)
+
+
+    graph = calledname[calledname.find("_")+1:]
+    if calledname != basename and graph not in ["cache","connections"]:
+        print >> sys.stderr, "%s is not a known graph" % graph
+        sys.exit(1)
+
+    if calledname != basename and command not in ["config", "fetch"]:
+        print >> sys.stderr, "Command %s not known, please use either config or fetch" % command
+        sys.exit(1)
+
+    if command == "autoconf":
+        print_autoconf()
+    elif command == "config":
+        print_config(graph)
+    elif command =="suggest":
+        print_suggest()
+    else:
+        print_fetch(graph)
+
+
+if __name__ == '__main__':
+    main()
+
+# vim:syntax=python