def __init__(self, argv=(), env={}, debug=False):
"""
Populate Munin Plugin with MuninGraph instances.
@param argv: List of command line arguments.
@param env: Dictionary of environment variables.
@param debug: Print debugging messages if True. (Default: False)
"""
MuninPlugin.__init__(self, argv, env, debug)
self._container = self.envGet("container")
self._username = self.envGet("username")
self._api_key = self.envGet("api_key")
self._stats = None
self._prev_stats = self.restoreState()
if self._prev_stats is None:
cdnInfo = RackspaceContainerInfo(self._container, self._username, self._api_key)
self._stats = cdnInfo.getStats()
stats = self._stats
else:
stats = self._prev_stats
if stats is None:
raise Exception("Undetermined error accessing stats.")
if stats.has_key("rackspace_containersize"):
graph = MuninGraph(
"Rackspace - Container Size",
"Rackspace",
info="The total size of files contained in a Rackspace CDN container",
vlabel="bytes",
args="--base 1024 --lower-limit 0",
)
graph.addField("size", "size", draw="AREASTACK", type="GAUGE")
self.appendGraph("rackspace_containersize", graph)
if stats.has_key("rackspace_containercount"):
graph = MuninGraph(
"Rackspace - Container Count",
"Rackspace",
info="The total number of files contained in a Rackspace CDN container",
vlabel="objects",
args="--base 1000 --lower-limit 0",
)
graph.addField("count", "count", draw="AREASTACK", type="GAUGE")
self.appendGraph("rackspace_containercount", graph)
def retrieveVals(self):
"""
Retrieve values for graphs.
"""
if self._stats is None:
cdnInfo = RackspaceContainerInfo(self._container, self._username, self._api_key)
stats = cdnInfo.getStats()
else:
stats = self._stats
if stats is None:
raise Exception("Undetermined error accessing stats.")
self.saveState(stats)
if self.hasGraph("rackspace_containersize"):
self.setGraphVal("rackspace_containersize", "size", stats.get("rackspace_containersize"))
if self.hasGraph("rackspace_containercount"):
self.setGraphVal("rackspace_containercount", "count", stats.get("rackspace_containercount"))
