Add nova and keystone plugin for openstack essex

plugins/nova/nova_instance_timing

@@ -0,0 +1,65 @@
+#!/usr/bin/env python
+#
+# Plugin to monitor trending of launch/schedule times for last 5 successful instances
+#
+# To monitor a floating ips, link floating_ips to this file.
+# E.g.
+#    ln -s /usr/share/munin/plugins/nova_instance_timing /etc/munin/plugins/
+#
+# Needs following minimal configuration in plugin-conf.d/nova:
+#   [nova_*]
+#   user nova
+#
+# Magic markers
+#%# capabilities=autoconf
+#%# family=nova
+
+from nova import context
+from nova import db
+from nova import flags
+from nova import utils
+from nova.db.sqlalchemy.session import get_session
+import sys
+
+
+def print_config():
+    global states
+    print 'graph_title Nova Launch Times'
+    print 'graph_vlabel seconds'
+    print 'graph_args --base 1000 --lower-limit 0'
+    print 'graph_category nova'
+    print 'graph_scale no'
+    print 'graph_info This the average time for the last 5 schedulings/launchings'
+    print 'schedule.label schedule time'
+    print 'schedule.draw LINE2'
+    print 'schedule.info average time for last 5 instance to be scheduled'
+    print 'launch.label launch time'
+    print 'launch.draw LINE2'
+    print 'launch.info average time for last 5 instance to be launched after scheduling'
+
+
+def get_status():
+    connection = get_session().connection()
+    row = connection.execute("select AVG(TIME_TO_SEC(TIMEDIFF(scheduled_at, created_at))) from instances where scheduled_at is not null order by scheduled_at desc limit 5;").fetchall()[0]
+    schedule = row[0]
+    row = connection.execute("select AVG(TIME_TO_SEC(TIMEDIFF(launched_at, scheduled_at))) from instances where launched_at is not null order by launched_at desc limit 5;").fetchall()[0]
+    launch = row[0]
+    return (schedule, launch)
+
+
+def print_values():
+    schedule, launch = get_status()
+    print "schedule.value %s" % schedule
+    print "launch.value %s" % launch
+
+
+if __name__ == '__main__':
+    if len(sys.argv) > 1:
+        if sys.argv[1] == "config":
+            print_config()
+        elif sys.argv[1] == "autoconf":
+            print "yes"
+    else:
+        utils.default_flagfile()
+        flags.FLAGS(sys.argv)
+        print_values()