129 lines
4.1 KiB
Python
129 lines
4.1 KiB
Python
# Copyright 2014 Huawei Technologies Co. Ltd
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
"""Health Check module for Squid service."""
|
|
import commands
|
|
import os
|
|
import pwd
|
|
import socket
|
|
|
|
from compass.actions.health_check import base
|
|
from compass.actions.health_check import utils as health_check_utils
|
|
|
|
|
|
class SquidCheck(base.BaseCheck):
|
|
"""Squid health check class."""
|
|
NAME = "Squid Check"
|
|
|
|
def run(self):
|
|
"""do health check."""
|
|
self.check_squid_files()
|
|
print "[Done]"
|
|
self.check_squid_service()
|
|
print "[Done]"
|
|
if self.code == 1:
|
|
self.messages.append(
|
|
"[%s]Info: Squid health check has completed. "
|
|
"No problems found, all systems go." % self.NAME)
|
|
return (self.code, self.messages)
|
|
|
|
def check_squid_files(self):
|
|
"""Validates squid config, cache directory and ownership."""
|
|
print "Checking Squid Files......",
|
|
var_map = {
|
|
'match_squid_conf': False,
|
|
'match_squid_cache': False,
|
|
'match_squid_ownership': False,
|
|
}
|
|
|
|
conf_err_msg = health_check_utils.check_path(
|
|
self.NAME,
|
|
"/etc/squid/squid.conf")
|
|
if not conf_err_msg == "":
|
|
self._set_status(0, conf_err_msg)
|
|
elif int(oct(os.stat('/etc/squid/squid.conf').st_mode)) < 100644:
|
|
self._set_status(
|
|
0,
|
|
"[%s]Error: squid.conf has incorrect "
|
|
"file permissions" % self.NAME)
|
|
else:
|
|
var_map['match_squid_conf'] = True
|
|
|
|
squid_path_err_msg = health_check_utils.check_path(
|
|
self.NAME, '/var/squid/')
|
|
if not squid_path_err_msg == "":
|
|
self._set_status(0, squid_path_err_msg)
|
|
elif health_check_utils.check_path(
|
|
self.NAME,
|
|
'/var/squid/cache'
|
|
) != "":
|
|
self._set_status(
|
|
0,
|
|
health_check_utils.check_path(
|
|
self.NAME,
|
|
'/var/squid/cache'
|
|
)
|
|
)
|
|
else:
|
|
var_map['match_squid_cache'] = True
|
|
uid = os.stat('/var/squid/').st_uid
|
|
gid = os.stat('/var/squid/').st_gid
|
|
if uid != gid or pwd.getpwuid(23).pw_name != 'squid':
|
|
self._set_status(
|
|
0,
|
|
"[%s]Error: /var/squid directory ownership "
|
|
"misconfigured" % self.NAME)
|
|
else:
|
|
var_map['match_squid_ownership'] = True
|
|
|
|
fails = []
|
|
for key in var_map.keys():
|
|
if var_map[key] is False:
|
|
fails.append(key)
|
|
|
|
if len(fails) != 0:
|
|
self.messages.append(
|
|
"[%s]Info: Failed components for squid config: "
|
|
"%s" % (
|
|
self.NAME,
|
|
', '.join(item for item in fails)
|
|
)
|
|
)
|
|
return True
|
|
|
|
def check_squid_service(self):
|
|
"""Checks if squid is running on port 3128."""
|
|
|
|
print "Checking Squid service......",
|
|
if 'squid' not in commands.getoutput('ps -ef'):
|
|
self._set_status(
|
|
0,
|
|
"[%s]Error: squid service does not seem "
|
|
"running" % self.NAME)
|
|
|
|
try:
|
|
if 'squid' != socket.getservbyport(3128):
|
|
self._set_status(
|
|
0,
|
|
"[%s]Error: squid is not listening on "
|
|
"3128" % self.NAME)
|
|
|
|
except Exception:
|
|
self._set_status(
|
|
0,
|
|
"[%s]Error: No service is listening on 3128, "
|
|
"squid failed" % self.NAME)
|
|
|
|
return True
|