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diff --git a/compass-tasks/actions/health_check/check_squid.py b/compass-tasks/actions/health_check/check_squid.py
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+# 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