47 lines
1.2 KiB
Python
47 lines
1.2 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, theme):
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super().__init__(config, theme, 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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self.__info = "OK - {}".format(
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len(cli.containers.list(filters={"status": "running"}))
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)
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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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return self.__info
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# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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