54 lines
1.7 KiB
Python
54 lines
1.7 KiB
Python
# (C) Copyright 2015,2016 Hewlett Packard Enterprise Development LP
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import logging
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import os
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import re
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import monasca_setup.agent_config
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import monasca_setup.detection
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log = logging.getLogger(__name__)
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class Ntp(monasca_setup.detection.Plugin):
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"""Detect NTP daemon and setup configuration to monitor them.
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"""
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def _detect(self):
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"""Run detection, set self.available True if the service is detected.
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"""
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if monasca_setup.detection.find_process_cmdline('ntpd') is not None:
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self.available = True
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def build_config(self):
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"""Build the config as a Plugins object and return.
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"""
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config = monasca_setup.agent_config.Plugins()
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log.info("\tEnabling the ntp plugin")
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if os.path.exists('/etc/ntp.conf'):
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with open('/etc/ntp.conf', 'r') as ntp_config:
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ntp_conf = ntp_config.read()
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match = re.search('^server (.*?)( #|$)', ntp_conf, re.MULTILINE)
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if match is None:
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ntp_server = 'pool.ntp.org'
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else:
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# There can be additional options after the server hostname or IP Address
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server_val = match.group(1)
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ntp_server = server_val.split()[0]
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else:
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ntp_server = 'pool.ntp.org'
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if re.match('^127', ntp_server):
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log.warn("NTP Server points to localhost no value in collecting NTP metrics. Skipping configuration.")
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return None
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config['ntp'] = {'init_config': None, 'instances': [{'name': ntp_server, 'host': ntp_server}]}
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return config
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def dependencies_installed(self):
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try:
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import ntplib
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except ImportError:
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return False
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else:
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return True
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