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#!/usr/bin/env python2
import zmq, msgpack, time, yaml, psutil, fnmatch
ctx = zmq.Context()
sock = ctx.socket(zmq.PUSH)
sock.connect("ipc:///tmp/cstatsd")
with open("config/processes.yaml", "r") as cfile:
config = yaml.safe_load(cfile)
interval = config["interval"]
old_status = {}
while True:
all_procs = psutil.get_process_list()
for service_name, patterns in config["processes"].iteritems():
matching = []
for proc in all_procs: # Can't use filter() because of exceptions...
try:
if len(proc.cmdline) > 0 and fnmatch.fnmatch(proc.cmdline[0], patterns["name"]):
failed = False
try:
for arg, pattern in patterns["args"].iteritems():
try:
if len(proc.cmdline) < (arg + 1) or not fnmatch.fnmatch(proc.cmdline[arg], pattern):
failed = True
except KeyError, e:
pass
except KeyError, e:
pass
if failed == False:
matching.append(proc)
except psutil._error.NoSuchProcess, e:
pass
if len(matching) > 0:
up = True
else:
up = False
try:
if up == old_status[service_name]:
send_notice = False
else:
send_notice = True
initial = False
except KeyError, e:
send_notice = True
initial = True
old_status[service_name] = up
if send_notice:
if up:
msg_type = "up"
else:
msg_type = "down"
sock.send(msgpack.packb({
"service": "process",
"msg_type": msg_type,
"unit": service_name,
"initial": initial
}))
time.sleep(interval)