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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 Apache service."""
import socket
import urllib2
from compass.actions.health_check import base
from compass.actions.health_check import utils as health_check_utils
class ApacheCheck(base.BaseCheck):
"""apache server health check class."""
NAME = "Apache Check"
def run(self):
"""do the healthcheck."""
if self.dist in ("centos", "redhat", "fedora", "scientific linux"):
apache_service = 'httpd'
else:
apache_service = 'apache2'
self.check_apache_conf(apache_service)
print "[Done]"
self.check_apache_running(apache_service)
print "[Done]"
if self.code == 1:
self.messages.append(
"[%s]Info: Apache health check has completed. "
"No problems found, all systems go." % self.NAME)
return (self.code, self.messages)
def check_apache_conf(self, apache_service):
"""Validates if Apache settings.
:param apache_service : service type of apache, os dependent.
e.g. httpd or apache2
:type apache_service : string
"""
print "Checking Apache Config......",
conf_err_msg = health_check_utils.check_path(
self.NAME,
"/etc/%s/conf.d/ods-server.conf" % apache_service)
if not conf_err_msg == "":
self._set_status(0, conf_err_msg)
wsgi_err_msg = health_check_utils.check_path(
self.NAME,
'/var/www/compass/compass.wsgi')
if not wsgi_err_msg == "":
self._set_status(0, wsgi_err_msg)
return True
def check_apache_running(self, apache_service):
"""Checks if Apache service is running on port 80."""
print "Checking Apache service......",
serv_err_msg = health_check_utils.check_service_running(self.NAME,
apache_service)
if not serv_err_msg == "":
self._set_status(0, serv_err_msg)
if 'http' != socket.getservbyport(80):
self._set_status(
0,
"[%s]Error: Apache is not listening on port 80."
% self.NAME)
try:
html = urllib2.urlopen('http://localhost')
html.geturl()
except Exception:
self._set_status(
0,
"[%s]Error: Apache is not listening on port 80."
% self.NAME)
return True
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