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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 Hardware Discovery."""
import logging
from compass.actions.health_check import base
from compass.actions.health_check import utils as health_check_utils
class HdsCheck(base.BaseCheck):
"""hds health check class."""
NAME = "HDS Check"
def run(self):
"""do health check."""
if self.dist in ("centos", "redhat", "fedora", "scientific linux"):
pkg_type = "yum"
else:
pkg_type = "apt"
try:
pkg_module = __import__(pkg_type)
except Exception:
self._set_status(
0, "[%s]Error: No module named %s please install it first."
% (self.NAME, pkg_type)
)
return (self.code, self.messages)
logging.info('import %s: %s', pkg_type, pkg_module)
method_name = 'self.check_' + pkg_type + '_snmp(pkg_module)'
eval(method_name)
print "[Done]"
self.check_snmp_mibs()
print "[Done]"
if self.code == 1:
self.messages.append("[%s]Info: hds health check has complated. "
"No problems found, all systems go."
% self.NAME)
return (self.code, self.messages)
def check_yum_snmp(self, pkg_module):
"""Check if SNMP yum dependencies are installed
:param pkg_module : python yum library
:type pkg_module : python module
"""
print "Checking SNMP Packages......",
yum_base = pkg_module.YumBase()
uninstalled = []
for package in ['net-snmp-utils', 'net-snmp', 'net-snmp-python']:
if len(yum_base.rpmdb.searchNevra(name=package)) == 0:
self.messages.append("[%s]Error: %s package is required "
"for HDS" % (self.NAME, package))
uninstalled.append(package)
if len(uninstalled) != 0:
self._set_status(0, "[%s]Info: Uninstalled packages: %s"
% (self.NAME,
', '.join(item for item in uninstalled)))
return True
def check_apt_snmp(self, pkg_module):
"""do apt health check."""
return None
def check_snmp_mibs(self):
"""Checks if SNMP MIB files are properly placed."""
print "Checking SNMP MIBs......",
conf_err_msg = health_check_utils.check_path(self.NAME,
'/etc/snmp/snmp.conf')
if not conf_err_msg == "":
self._set_status(0, conf_err_msg)
mibs_err_msg = health_check_utils.check_path(
self.NAME,
'/usr/local/share/snmp/mibs')
if not mibs_err_msg == "":
self._set_status(0, mibs_err_msg)
return True
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