94 lines
2.7 KiB
Python
94 lines
2.7 KiB
Python
# Copyright 2014 Huawei Technologies Co. Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Compass Health Check heavy-lifting utilities"""
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import commands
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import os
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import platform
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def validate_setting(module, setting, param):
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"""Checks if a Compass setting exists in the config file.
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:param module : module name to be checked
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:type module : string
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:param setting : compass setting wrapper
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:type setting : python module
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:param param : settings defined in compass config file
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:type param : string
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"""
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if hasattr(setting, param):
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return True
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else:
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err_msg = "[%s]Error: no %s defined" % (module, param)
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return err_msg
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def get_dist():
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"""Returns the operating system related information."""
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os_version, version, release = platform.linux_distribution()
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return (os_version.lower().strip(), version, release.lower().strip())
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def check_path(module_name, path):
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"""Checks if a directory or file exisits.
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:param module_name : module name to be checked
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:type module_name : string
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:param path : path of the directory of file
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:type path : string
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"""
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err_msg = ""
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if not os.path.exists(path):
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err_msg = (
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"[%s]Error: %s does not exsit, "
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"please check your configurations.") % (module_name, path)
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return err_msg
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def check_service_running(module_name, service_name):
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"""Checks if a certain service is running.
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:param module_name : module name to be checked
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:type module_name : string
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:param service_name : service name to be checked
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:type service_name : string
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"""
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err_msg = ""
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if service_name not in commands.getoutput('ps -ef'):
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err_msg = "[%s]Error: %s is not running." % (
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module_name, service_name)
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return err_msg
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def check_chkconfig(service_name):
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"""Checks if a service is enabled at the start up.
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:param service_name : service name to be checked
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:type service_name : string
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"""
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chk_on = False
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for service in os.listdir('/etc/rc3.d/'):
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if service_name in service and 'S' in service:
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chk_on = True
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break
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return chk_on
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