Add nova and keystone plugin for openstack essex

plugins/nova/nova_floating_ips

@@ -0,0 +1,72 @@
+#!/usr/bin/env python
+#
+# Plugin to monitor status of Floating IPs in Nova
+#
+# To monitor a floating ips, link floating_ips to this file.
+# E.g.
+#    ln -s /usr/share/munin/plugins/nova_floating_ips /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
+import sys
+
+states = ['total', 'allocated', 'associated']
+
+
+def print_config():
+    global states
+    print 'graph_title Nova Floating IPs'
+    print 'graph_vlabel %'
+    print 'graph_args --base 1000 --lower-limit 0'
+    print 'graph_category nova'
+    print 'graph_scale no'
+    print 'graph_info This graph shows the number of Floating IPs in Nova and their status'
+    for state in states:
+        print '%s.label %s' % (state, state)
+        print '%s.draw LINE2' % state
+        print '%s.info %s IPs' % (state, state)
+
+
+def get_status():
+    status = {}
+    for k in states:
+        status[k] = 0
+
+    ctxt = context.get_admin_context()
+    floating_ips = db.floating_ip_get_all(ctxt)
+    for floating_ip in floating_ips:
+        status['total'] += 1
+        if floating_ip['fixed_ip_id']:
+            status['associated'] += 1
+        if floating_ip['project_id']:
+            status['allocated'] += 1
+
+    return status
+
+
+def print_values():
+    status = get_status()
+    for (state, value) in status.iteritems():
+        print "%s.value %s" % (state, value)
+
+
+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()