Add two new nagios checks for the FMN "Producers"

roles/nagios_client/files/scripts/check_fedmsg_producer_last_ran.py

@@ -0,0 +1,69 @@
+#!/usr/bin/env python
+
+import arrow
+import json
+import os
+import socket
+import sys
+import time
+import zmq
+
+try:
+    service = sys.argv[1]
+    check_producer = sys.argv[2]
+    elapsed_warning = int(sys.argv[3])
+    elapsed_critical = int(sys.argv[4])
+    fname = '/var/run/fedmsg/monitoring-%s.socket' % service
+
+    if not os.path.exists(fname):
+        print "UNKNOWN - %s does not exist" % fname
+        sys.exit(3)
+
+    if not os.access(fname, os.W_OK):
+        print "UNKNOWN - cannot write to %s" % fname
+        sys.exit(3)
+
+    connect_to = "ipc:///%s" % fname
+    ctx = zmq.Context()
+    s = ctx.socket(zmq.SUB)
+    s.connect(connect_to)
+    s.setsockopt(zmq.SUBSCRIBE, '')
+
+    poller = zmq.Poller()
+    poller.register(s, zmq.POLLIN)
+
+    timeout = 20000
+
+    events = dict(poller.poll(timeout))
+    if s in events and events[s] == zmq.POLLIN:
+        msg = s.recv()
+        msg = json.loads(msg)
+    else:
+       print 'UNKNOWN - ZMQ timeout.  No message received in %i ms' % timeout
+       sys.exit(3)
+
+    now = time.time()
+
+    for prod in msg['producers']:
+        if prod['name'] != check_producer:
+            continue
+        diff = now - prod['last_ran']
+        then = arrow.get(prod['last_ran']).humanize()
+        if diff > elapsed_critical:
+            print "CRITICAL: %s last ran %s (%i seconds ago)" % (
+                check_producer, then, diff)
+            sys.exit(2)
+        elif diff > elapsed_warning:
+            print "WARNING: %s last ran %s (%i seconds ago)" % (
+                check_producer, then, diff)
+            sys.exit(1)
+        else:
+            print "OK: %s last ran %s (%i seconds ago)" % (
+                check_producer, then, diff)
+            sys.exit(0)
+
+    print "UNKNOWN: fedmsg producer %s not found" % check_producer
+    sys.exit(3)
+except Exception as err:
+    print "UNKNOWN:", str(err)
+    sys.exit(3)