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Cherokee.py
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Cherokee.py
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#!/usr/bin/env python
import urllib
CHEROKEE_STATUS_URL = "http://localhost/about/info/py?type=connection_details"
class Cherokee:
"""
Collects and returns server information and connection details from
Cherokee.
"""
def __init__(self, agent_config, checks_logger, raw_config):
self.agent_config = agent_config
self.checks_logger = checks_logger
self.raw_config = raw_config
def get_modules_stats(self, server_info):
"""
Title: Modules
loggers
handlers
encoders
validators
generic
balancers
rules
cryptors
vrules
collectors
"""
if not server_info.has_key("modules"):
return {}
modules = server_info["modules"]
return {
"loggers" : modules.get("loggers", None),
"handlers" : modules.get("handlers", None),
"encoders" : modules.get("encoders", None),
"validators" : modules.get("validators", None),
"generic" : modules.get("generic", None),
"balancers" : modules.get("balancers", None),
"rules" : modules.get("rules", None),
"cryptors" : modules.get("cryptors", None),
"vrules" : modules.get("vrules", None),
"collectors" : modules.get("collectors", None),
}
def get_connections_stats(self, server_info):
"""
Title: Connections
number
active
reusable
"""
if not server_info.has_key("connections"):
return {}
connections = server_info["connections"]
return {
"number" : connections.get("number", None),
"active" : connections.get("active", None),
"reusable" : connections.get("reusable", None)
}
def get_config_stats(self, server_info):
"""
Title: Config
threads
"""
return {
"threads" : server_info.get("config", {}).get("threads", None)
}
def get_uptime_stats(self, server_info):
"""
Title: Uptime
seconds
"""
return {
"seconds" : server_info.get("uptime", {}).get("seconds", None)
}
def get_traffic_stats(self, server_info):
"""
Title: Traffic
tx
rx
accepts
timeouts
"""
if not server_info.has_key("traffic"):
return {}
traffic = server_info["traffic"]
return {
"tx" : traffic.get("tx", None),
"rx" : traffic.get("rx", None),
"accepts" : traffic.get("accepts", None),
"timeouts" : traffic.get("timeouts", None)
}
def run(self):
stats = {}
try:
# Pull the Cherokee status URL from the config and default to
# CHEROKEE_STATUS_URL if it is not present
url = self.raw_config['Main'].get('cherokee_status_url',
CHEROKEE_STATUS_URL)
except KeyError:
# Should only happen if Main section of config is missing
self.checks_logger.error('Missing sd-agent configuration')
url = CHEROKEE_STATUS_URL
try:
# Obtain Cherokee status, assumes Python data structure
raw_data = urllib.urlopen(CHEROKEE_STATUS_URL).read()
self.checks_logger.debug(raw_data)
server_info = eval(raw_data)
stats.update(self.get_uptime_stats(server_info))
stats.update(self.get_config_stats(server_info))
stats.update(self.get_traffic_stats(server_info))
stats.update(self.get_connections_stats(server_info))
stats.update(self.get_modules_stats(server_info))
except IOError:
stats = {}
self.checks_logger.debug(stats)
return stats
if __name__ == "__main__":
import logging
logger = logging.getLogger("Cherokee")
logger.setLevel(logging.DEBUG)
logger.addHandler(logging.StreamHandler())
# Fake configuration
raw_config = {
"cherokee_status_url" : CHEROKEE_STATUS_URL,
}
cherokee = Cherokee(None, logger, raw_config)
cherokee.run()