43 lines
1.1 KiB
Python
43 lines
1.1 KiB
Python
# -*- coding: utf-8 -*-
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"""Displays the number of docker containers running
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Requires the following python packages:
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* docker
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"""
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import docker
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from requests.exceptions import ConnectionError
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import core.module
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import core.widget
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import core.decorators
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class Module(core.module.Module):
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@core.decorators.every(seconds=5)
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def __init__(self, config):
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super().__init__(config, core.widget.Widget(self.docker_info))
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self.__info = ''
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def state(self, widget):
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state = []
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if self.__info == 'OK - 0':
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state.append('warning')
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elif self.__info in ['n/a', 'daemon off']:
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state.append('critical')
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return state
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def docker_info(self, widget):
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try:
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cli = docker.DockerClient(base_url='unix://var/run/docker.sock')
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cli.ping()
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except ConnectionError:
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self.__info = 'daemon off'
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except Exception:
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self.__info = 'n/a'
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self.__info = 'OK - {}'.format(len(cli.containers.list(filters={'status': 'running'})))
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return self.__info
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# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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