mailcow/data/Dockerfiles/dockerapi/server.py

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from flask import Flask
from flask_restful import Resource, Api
from flask import jsonify
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from flask import request
from threading import Thread
import docker
import signal
import time
docker_client = docker.DockerClient(base_url='unix://var/run/docker.sock', version='auto')
app = Flask(__name__)
api = Api(app)
class containers_get(Resource):
def get(self):
containers = {}
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try:
for container in docker_client.containers.list(all=True):
containers.update({container.attrs['Id']: container.attrs})
return containers
except Exception as e:
return jsonify(type='danger', msg=e)
class container_get(Resource):
def get(self, container_id):
if container_id and container_id.isalnum():
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try:
for container in docker_client.containers.list(all=True, filters={"id": container_id}):
return container.attrs
except Exception as e:
return jsonify(type='danger', msg=e)
else:
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return jsonify(type='danger', msg='no or invalid id defined')
class container_post(Resource):
def post(self, container_id, post_action):
if container_id and container_id.isalnum() and post_action:
if post_action == 'stop':
try:
for container in docker_client.containers.list(all=True, filters={"id": container_id}):
container.stop()
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return jsonify(type='success', msg='command completed successfully')
except Exception as e:
return jsonify(type='danger', msg=e)
elif post_action == 'start':
try:
for container in docker_client.containers.list(all=True, filters={"id": container_id}):
container.start()
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return jsonify(type='success', msg='command completed successfully')
except Exception as e:
return jsonify(type='danger', msg=e)
elif post_action == 'restart':
try:
for container in docker_client.containers.list(all=True, filters={"id": container_id}):
container.restart()
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return jsonify(type='success', msg='command completed successfully')
except Exception as e:
return jsonify(type='danger', msg=e)
elif post_action == 'exec':
if not request.json or not 'cmd' in request.json:
return jsonify(type='danger', msg='cmd is missing')
if request.json['cmd'] == 'sieve_list' and request.json['username']:
try:
for container in docker_client.containers.list(filters={"id": container_id}):
return container.exec_run(["/bin/bash", "-c", "/usr/local/bin/doveadm sieve list -u '" + request.json['username'].replace("'", "'\\''") + "'"], user='vmail')
except Exception as e:
return jsonify(type='danger', msg=e)
elif request.json['cmd'] == 'sieve_print' and request.json['script_name'] and request.json['username']:
try:
for container in docker_client.containers.list(filters={"id": container_id}):
return container.exec_run(["/bin/bash", "-c", "/usr/local/bin/doveadm sieve get -u '" + request.json['username'].replace("'", "'\\''") + "' '" + request.json['script_name'].replace("'", "'\\''") + "'"], user='vmail')
except Exception as e:
return jsonify(type='danger', msg=e)
else:
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return jsonify(type='danger', msg='Unknown command')
else:
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return jsonify(type='danger', msg='invalid action')
else:
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return jsonify(type='danger', msg='invalid container id or missing action')
class GracefulKiller:
kill_now = False
def __init__(self):
signal.signal(signal.SIGINT, self.exit_gracefully)
signal.signal(signal.SIGTERM, self.exit_gracefully)
def exit_gracefully(self,signum, frame):
self.kill_now = True
def startFlaskAPI():
app.run(debug=False, host='0.0.0.0', port='8080', threaded=True)
api.add_resource(containers_get, '/containers/json')
api.add_resource(container_get, '/containers/<string:container_id>/json')
api.add_resource(container_post, '/containers/<string:container_id>/<string:post_action>')
if __name__ == '__main__':
api_thread = Thread(target=startFlaskAPI)
api_thread.daemon = True
api_thread.start()
killer = GracefulKiller()
while True:
time.sleep(1)
if killer.kill_now:
break
print "Stopping dockerapi-mailcow"