bumblebee-status/bumblebee/modules/docker_ps.py
Martin 1e2f1243f0 [module] improvement of docker_ps by adding states
Added state to the module to indicate when no containers are running, vs daemon off, container running
2020-03-17 23:06:43 +01:00

50 lines
1.3 KiB
Python

# -*- coding: utf-8 -*-
"""Displays the number of docker containers running
Requires the following python packages:
* docker
"""
try:
import docker
except ImportError:
pass
from requests.exceptions import ConnectionError
import bumblebee.input
import bumblebee.output
import bumblebee.engine
class Module(bumblebee.engine.Module):
def __init__(self, engine, config):
widgets = bumblebee.output.Widget(full_text=self.status)
super(Module, self).__init__(engine, config, widgets)
self._status = self.status
self._state = self.state
def update(self, widgets):
self._status = self.status
self._state = self.state
def state(self, widget):
state = []
status = self.status(widget)
if status == "OK - 0":
state.append("warning")
elif status in ["n/a", "Daemon off"]:
state.append("critical")
return state
def status(self, widget):
try:
cli = docker.DockerClient(base_url='unix://var/run/docker.sock')
cli.ping()
except ConnectionError:
return "Daemon off"
except Exception:
return "n/a"
return "OK - {}".format(len(cli.containers.list(filters={'status': "running"})))