545 lines
25 KiB
Python
545 lines
25 KiB
Python
from fastapi import FastAPI, Response, Request
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import aiodocker
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import docker
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import psutil
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import sys
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import re
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import time
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import os
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import json
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import asyncio
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import redis
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from datetime import datetime
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import logging
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from logging.config import dictConfig
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log_config = {
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"version": 1,
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"disable_existing_loggers": False,
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"formatters": {
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"default": {
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"()": "uvicorn.logging.DefaultFormatter",
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"fmt": "%(levelprefix)s %(asctime)s %(message)s",
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"datefmt": "%Y-%m-%d %H:%M:%S",
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},
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},
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"handlers": {
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"default": {
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"formatter": "default",
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"class": "logging.StreamHandler",
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"stream": "ext://sys.stderr",
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},
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},
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"loggers": {
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"api-logger": {"handlers": ["default"], "level": "INFO"},
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},
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}
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dictConfig(log_config)
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containerIds_to_update = []
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host_stats_isUpdating = False
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app = FastAPI()
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logger = logging.getLogger('api-logger')
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@app.get("/host/stats")
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async def get_host_update_stats():
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global host_stats_isUpdating
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if host_stats_isUpdating == False:
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asyncio.create_task(get_host_stats())
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host_stats_isUpdating = True
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while True:
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if redis_client.exists('host_stats'):
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break
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await asyncio.sleep(1.5)
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stats = json.loads(redis_client.get('host_stats'))
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return Response(content=json.dumps(stats, indent=4), media_type="application/json")
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@app.get("/containers/{container_id}/json")
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async def get_container(container_id : str):
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if container_id and container_id.isalnum():
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try:
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for container in (await async_docker_client.containers.list()):
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if container._id == container_id:
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container_info = await container.show()
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return Response(content=json.dumps(container_info, indent=4), media_type="application/json")
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res = {
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"type": "danger",
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"msg": "no container found"
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}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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except Exception as e:
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res = {
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"type": "danger",
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"msg": str(e)
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}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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else:
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res = {
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"type": "danger",
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"msg": "no or invalid id defined"
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}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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@app.get("/containers/json")
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async def get_containers():
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containers = {}
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try:
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for container in (await async_docker_client.containers.list()):
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container_info = await container.show()
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containers.update({container_info['Id']: container_info})
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return Response(content=json.dumps(containers, indent=4), media_type="application/json")
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except Exception as e:
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res = {
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"type": "danger",
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"msg": str(e)
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}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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@app.post("/containers/{container_id}/{post_action}")
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async def post_containers(container_id : str, post_action : str, request: Request):
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try :
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request_json = await request.json()
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except Exception as err:
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request_json = {}
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if container_id and container_id.isalnum() and post_action:
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try:
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"""Dispatch container_post api call"""
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if post_action == 'exec':
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if not request_json or not 'cmd' in request_json:
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res = {
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"type": "danger",
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"msg": "cmd is missing"
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}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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if not request_json or not 'task' in request_json:
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res = {
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"type": "danger",
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"msg": "task is missing"
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}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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api_call_method_name = '__'.join(['container_post', str(post_action), str(request_json['cmd']), str(request_json['task']) ])
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else:
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api_call_method_name = '__'.join(['container_post', str(post_action) ])
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docker_utils = DockerUtils(sync_docker_client)
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api_call_method = getattr(docker_utils, api_call_method_name, lambda container_id: Response(content=json.dumps({'type': 'danger', 'msg':'container_post - unknown api call' }, indent=4), media_type="application/json"))
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logger.info("api call: %s, container_id: %s" % (api_call_method_name, container_id))
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return api_call_method(container_id, request_json)
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except Exception as e:
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logger.error("error - container_post: %s" % str(e))
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res = {
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"type": "danger",
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"msg": str(e)
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}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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else:
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res = {
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"type": "danger",
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"msg": "invalid container id or missing action"
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}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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@app.post("/container/{container_id}/stats/update")
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async def post_container_update_stats(container_id : str):
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global containerIds_to_update
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# start update task for container if no task is running
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if container_id not in containerIds_to_update:
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asyncio.create_task(get_container_stats(container_id))
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containerIds_to_update.append(container_id)
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while True:
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if redis_client.exists(container_id + '_stats'):
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break
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await asyncio.sleep(1.5)
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stats = json.loads(redis_client.get(container_id + '_stats'))
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return Response(content=json.dumps(stats, indent=4), media_type="application/json")
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class DockerUtils:
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def __init__(self, docker_client):
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self.docker_client = docker_client
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# api call: container_post - post_action: stop
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def container_post__stop(self, container_id, request_json):
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for container in self.docker_client.containers.list(all=True, filters={"id": container_id}):
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container.stop()
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res = { 'type': 'success', 'msg': 'command completed successfully'}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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# api call: container_post - post_action: start
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def container_post__start(self, container_id, request_json):
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for container in self.docker_client.containers.list(all=True, filters={"id": container_id}):
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container.start()
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res = { 'type': 'success', 'msg': 'command completed successfully'}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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# api call: container_post - post_action: restart
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def container_post__restart(self, container_id, request_json):
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for container in self.docker_client.containers.list(all=True, filters={"id": container_id}):
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container.restart()
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res = { 'type': 'success', 'msg': 'command completed successfully'}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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# api call: container_post - post_action: top
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def container_post__top(self, container_id, request_json):
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for container in self.docker_client.containers.list(all=True, filters={"id": container_id}):
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res = { 'type': 'success', 'msg': container.top()}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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# api call: container_post - post_action: stats
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def container_post__stats(self, container_id, request_json):
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for container in self.docker_client.containers.list(all=True, filters={"id": container_id}):
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for stat in container.stats(decode=True, stream=True):
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res = { 'type': 'success', 'msg': stat}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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# api call: container_post - post_action: exec - cmd: mailq - task: delete
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def container_post__exec__mailq__delete(self, container_id, request_json):
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if 'items' in request_json:
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r = re.compile("^[0-9a-fA-F]+$")
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filtered_qids = filter(r.match, request_json['items'])
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if filtered_qids:
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flagged_qids = ['-d %s' % i for i in filtered_qids]
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sanitized_string = str(' '.join(flagged_qids));
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for container in self.docker_client.containers.list(filters={"id": container_id}):
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postsuper_r = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postsuper " + sanitized_string])
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return exec_run_handler('generic', postsuper_r)
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# api call: container_post - post_action: exec - cmd: mailq - task: hold
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def container_post__exec__mailq__hold(self, container_id, request_json):
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if 'items' in request_json:
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r = re.compile("^[0-9a-fA-F]+$")
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filtered_qids = filter(r.match, request_json['items'])
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if filtered_qids:
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flagged_qids = ['-h %s' % i for i in filtered_qids]
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sanitized_string = str(' '.join(flagged_qids));
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for container in self.docker_client.containers.list(filters={"id": container_id}):
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postsuper_r = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postsuper " + sanitized_string])
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return exec_run_handler('generic', postsuper_r)
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# api call: container_post - post_action: exec - cmd: mailq - task: cat
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def container_post__exec__mailq__cat(self, container_id, request_json):
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if 'items' in request_json:
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r = re.compile("^[0-9a-fA-F]+$")
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filtered_qids = filter(r.match, request_json['items'])
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if filtered_qids:
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sanitized_string = str(' '.join(filtered_qids));
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for container in self.docker_client.containers.list(filters={"id": container_id}):
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postcat_return = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postcat -q " + sanitized_string], user='postfix')
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if not postcat_return:
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postcat_return = 'err: invalid'
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return exec_run_handler('utf8_text_only', postcat_return)
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# api call: container_post - post_action: exec - cmd: mailq - task: unhold
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def container_post__exec__mailq__unhold(self, container_id, request_json):
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if 'items' in request_json:
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r = re.compile("^[0-9a-fA-F]+$")
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filtered_qids = filter(r.match, request_json['items'])
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if filtered_qids:
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flagged_qids = ['-H %s' % i for i in filtered_qids]
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sanitized_string = str(' '.join(flagged_qids));
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for container in self.docker_client.containers.list(filters={"id": container_id}):
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postsuper_r = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postsuper " + sanitized_string])
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return exec_run_handler('generic', postsuper_r)
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# api call: container_post - post_action: exec - cmd: mailq - task: deliver
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def container_post__exec__mailq__deliver(self, container_id, request_json):
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if 'items' in request_json:
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r = re.compile("^[0-9a-fA-F]+$")
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filtered_qids = filter(r.match, request_json['items'])
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if filtered_qids:
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flagged_qids = ['-i %s' % i for i in filtered_qids]
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for container in self.docker_client.containers.list(filters={"id": container_id}):
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for i in flagged_qids:
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postqueue_r = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postqueue " + i], user='postfix')
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# todo: check each exit code
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res = { 'type': 'success', 'msg': 'Scheduled immediate delivery'}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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# api call: container_post - post_action: exec - cmd: mailq - task: list
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def container_post__exec__mailq__list(self, container_id, request_json):
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for container in self.docker_client.containers.list(filters={"id": container_id}):
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mailq_return = container.exec_run(["/usr/sbin/postqueue", "-j"], user='postfix')
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return exec_run_handler('utf8_text_only', mailq_return)
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# api call: container_post - post_action: exec - cmd: mailq - task: flush
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def container_post__exec__mailq__flush(self, container_id, request_json):
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for container in self.docker_client.containers.list(filters={"id": container_id}):
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postqueue_r = container.exec_run(["/usr/sbin/postqueue", "-f"], user='postfix')
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return exec_run_handler('generic', postqueue_r)
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# api call: container_post - post_action: exec - cmd: mailq - task: super_delete
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def container_post__exec__mailq__super_delete(self, container_id, request_json):
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for container in self.docker_client.containers.list(filters={"id": container_id}):
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postsuper_r = container.exec_run(["/usr/sbin/postsuper", "-d", "ALL"])
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return exec_run_handler('generic', postsuper_r)
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# api call: container_post - post_action: exec - cmd: system - task: fts_rescan
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def container_post__exec__system__fts_rescan(self, container_id, request_json):
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if 'username' in request_json:
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for container in self.docker_client.containers.list(filters={"id": container_id}):
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rescan_return = container.exec_run(["/bin/bash", "-c", "/usr/bin/doveadm fts rescan -u '" + request_json['username'].replace("'", "'\\''") + "'"], user='vmail')
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if rescan_return.exit_code == 0:
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res = { 'type': 'success', 'msg': 'fts_rescan: rescan triggered'}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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else:
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res = { 'type': 'warning', 'msg': 'fts_rescan error'}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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if 'all' in request_json:
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for container in self.docker_client.containers.list(filters={"id": container_id}):
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rescan_return = container.exec_run(["/bin/bash", "-c", "/usr/bin/doveadm fts rescan -A"], user='vmail')
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if rescan_return.exit_code == 0:
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res = { 'type': 'success', 'msg': 'fts_rescan: rescan triggered'}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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else:
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res = { 'type': 'warning', 'msg': 'fts_rescan error'}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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# api call: container_post - post_action: exec - cmd: system - task: df
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def container_post__exec__system__df(self, container_id, request_json):
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if 'dir' in request_json:
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for container in self.docker_client.containers.list(filters={"id": container_id}):
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df_return = container.exec_run(["/bin/bash", "-c", "/bin/df -H '" + request_json['dir'].replace("'", "'\\''") + "' | /usr/bin/tail -n1 | /usr/bin/tr -s [:blank:] | /usr/bin/tr ' ' ','"], user='nobody')
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if df_return.exit_code == 0:
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return df_return.output.decode('utf-8').rstrip()
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else:
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return "0,0,0,0,0,0"
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# api call: container_post - post_action: exec - cmd: system - task: mysql_upgrade
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def container_post__exec__system__mysql_upgrade(self, container_id, request_json):
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for container in self.docker_client.containers.list(filters={"id": container_id}):
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sql_return = container.exec_run(["/bin/bash", "-c", "/usr/bin/mysql_upgrade -uroot -p'" + os.environ['DBROOT'].replace("'", "'\\''") + "'\n"], user='mysql')
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if sql_return.exit_code == 0:
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matched = False
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for line in sql_return.output.decode('utf-8').split("\n"):
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if 'is already upgraded to' in line:
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matched = True
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if matched:
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res = { 'type': 'success', 'msg':'mysql_upgrade: already upgraded', 'text': sql_return.output.decode('utf-8')}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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else:
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container.restart()
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res = { 'type': 'warning', 'msg':'mysql_upgrade: upgrade was applied', 'text': sql_return.output.decode('utf-8')}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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else:
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res = { 'type': 'error', 'msg': 'mysql_upgrade: error running command', 'text': sql_return.output.decode('utf-8')}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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# api call: container_post - post_action: exec - cmd: system - task: mysql_tzinfo_to_sql
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def container_post__exec__system__mysql_tzinfo_to_sql(self, container_id, request_json):
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for container in self.docker_client.containers.list(filters={"id": container_id}):
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sql_return = container.exec_run(["/bin/bash", "-c", "/usr/bin/mysql_tzinfo_to_sql /usr/share/zoneinfo | /bin/sed 's/Local time zone must be set--see zic manual page/FCTY/' | /usr/bin/mysql -uroot -p'" + os.environ['DBROOT'].replace("'", "'\\''") + "' mysql \n"], user='mysql')
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if sql_return.exit_code == 0:
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res = { 'type': 'info', 'msg': 'mysql_tzinfo_to_sql: command completed successfully', 'text': sql_return.output.decode('utf-8')}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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else:
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res = { 'type': 'error', 'msg': 'mysql_tzinfo_to_sql: error running command', 'text': sql_return.output.decode('utf-8')}
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return Response(content=json.dumps(res, indent=4), media_type="application/json")
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# api call: container_post - post_action: exec - cmd: reload - task: dovecot
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def container_post__exec__reload__dovecot(self, container_id, request_json):
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for container in self.docker_client.containers.list(filters={"id": container_id}):
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reload_return = container.exec_run(["/bin/bash", "-c", "/usr/sbin/dovecot reload"])
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return exec_run_handler('generic', reload_return)
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# api call: container_post - post_action: exec - cmd: reload - task: postfix
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def container_post__exec__reload__postfix(self, container_id, request_json):
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for container in self.docker_client.containers.list(filters={"id": container_id}):
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reload_return = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postfix reload"])
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return exec_run_handler('generic', reload_return)
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# api call: container_post - post_action: exec - cmd: reload - task: nginx
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def container_post__exec__reload__nginx(self, container_id, request_json):
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for container in self.docker_client.containers.list(filters={"id": container_id}):
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reload_return = container.exec_run(["/bin/sh", "-c", "/usr/sbin/nginx -s reload"])
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return exec_run_handler('generic', reload_return)
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# api call: container_post - post_action: exec - cmd: sieve - task: list
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def container_post__exec__sieve__list(self, container_id, request_json):
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if 'username' in request_json:
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for container in self.docker_client.containers.list(filters={"id": container_id}):
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sieve_return = container.exec_run(["/bin/bash", "-c", "/usr/bin/doveadm sieve list -u '" + request_json['username'].replace("'", "'\\''") + "'"])
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return exec_run_handler('utf8_text_only', sieve_return)
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# api call: container_post - post_action: exec - cmd: sieve - task: print
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def container_post__exec__sieve__print(self, container_id, request_json):
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if 'username' in request.json and 'script_name' in request_json:
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for container in self.docker_client.containers.list(filters={"id": container_id}):
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cmd = ["/bin/bash", "-c", "/usr/bin/doveadm sieve get -u '" + request_json['username'].replace("'", "'\\''") + "' '" + request_json['script_name'].replace("'", "'\\''") + "'"]
|
|
sieve_return = container.exec_run(cmd)
|
|
return exec_run_handler('utf8_text_only', sieve_return)
|
|
# api call: container_post - post_action: exec - cmd: maildir - task: cleanup
|
|
def container_post__exec__maildir__cleanup(self, container_id, request_json):
|
|
if 'maildir' in request_json:
|
|
for container in self.docker_client.containers.list(filters={"id": container_id}):
|
|
sane_name = re.sub(r'\W+', '', request_json['maildir'])
|
|
vmail_name = request_json['maildir'].replace("'", "'\\''")
|
|
index_name = request_json['maildir'].split("/")
|
|
index_name = index_name[1].replace("'", "'\\''") + "@" + index_name[0].replace("'", "'\\''")
|
|
cmd_vmail = "if [[ -d '/var/vmail/" + vmail_name + "' ]]; then /bin/mv '/var/vmail/" + vmail_name + "' '/var/vmail/_garbage/" + str(int(time.time())) + "_" + sane_name + "'; fi"
|
|
cmd_vmail_index = "if [[ -d '/var/vmail_index/" + index_name + "' ]]; then /bin/mv '/var/vmail_index/" + index_name + "' '/var/vmail/_garbage/" + str(int(time.time())) + "_" + sane_name + "_index'; fi"
|
|
cmd = ["/bin/bash", "-c", cmd_vmail + " && " + cmd_vmail_index]
|
|
maildir_cleanup = container.exec_run(cmd, user='vmail')
|
|
return exec_run_handler('generic', maildir_cleanup)
|
|
# api call: container_post - post_action: exec - cmd: rspamd - task: worker_password
|
|
def container_post__exec__rspamd__worker_password(self, container_id, request_json):
|
|
if 'raw' in request_json:
|
|
for container in self.docker_client.containers.list(filters={"id": container_id}):
|
|
cmd = "/usr/bin/rspamadm pw -e -p '" + request_json['raw'].replace("'", "'\\''") + "' 2> /dev/null"
|
|
cmd_response = exec_cmd_container(container, cmd, user="_rspamd")
|
|
|
|
matched = False
|
|
for line in cmd_response.split("\n"):
|
|
if '$2$' in line:
|
|
hash = line.strip()
|
|
hash_out = re.search('\$2\$.+$', hash).group(0)
|
|
rspamd_passphrase_hash = re.sub('[^0-9a-zA-Z\$]+', '', hash_out.rstrip())
|
|
rspamd_password_filename = "/etc/rspamd/override.d/worker-controller-password.inc"
|
|
cmd = '''/bin/echo 'enable_password = "%s";' > %s && cat %s''' % (rspamd_passphrase_hash, rspamd_password_filename, rspamd_password_filename)
|
|
cmd_response = exec_cmd_container(container, cmd, user="_rspamd")
|
|
if rspamd_passphrase_hash.startswith("$2$") and rspamd_passphrase_hash in cmd_response:
|
|
container.restart()
|
|
matched = True
|
|
if matched:
|
|
res = { 'type': 'success', 'msg': 'command completed successfully' }
|
|
logger.info('success changing Rspamd password')
|
|
return Response(content=json.dumps(res, indent=4), media_type="application/json")
|
|
else:
|
|
logger.error('failed changing Rspamd password')
|
|
res = { 'type': 'danger', 'msg': 'command did not complete' }
|
|
return Response(content=json.dumps(res, indent=4), media_type="application/json")
|
|
|
|
|
|
def exec_cmd_container(container, cmd, user, timeout=2, shell_cmd="/bin/bash"):
|
|
|
|
def recv_socket_data(c_socket, timeout):
|
|
c_socket.setblocking(0)
|
|
total_data=[]
|
|
data=''
|
|
begin=time.time()
|
|
while True:
|
|
if total_data and time.time()-begin > timeout:
|
|
break
|
|
elif time.time()-begin > timeout*2:
|
|
break
|
|
try:
|
|
data = c_socket.recv(8192)
|
|
if data:
|
|
total_data.append(data.decode('utf-8'))
|
|
#change the beginning time for measurement
|
|
begin=time.time()
|
|
else:
|
|
#sleep for sometime to indicate a gap
|
|
time.sleep(0.1)
|
|
break
|
|
except:
|
|
pass
|
|
return ''.join(total_data)
|
|
|
|
|
|
try :
|
|
socket = container.exec_run([shell_cmd], stdin=True, socket=True, user=user).output._sock
|
|
if not cmd.endswith("\n"):
|
|
cmd = cmd + "\n"
|
|
socket.send(cmd.encode('utf-8'))
|
|
data = recv_socket_data(socket, timeout)
|
|
socket.close()
|
|
return data
|
|
except Exception as e:
|
|
logger.error("error - exec_cmd_container: %s" % str(e))
|
|
traceback.print_exc(file=sys.stdout)
|
|
def exec_run_handler(type, output):
|
|
if type == 'generic':
|
|
if output.exit_code == 0:
|
|
res = { 'type': 'success', 'msg': 'command completed successfully' }
|
|
return Response(content=json.dumps(res, indent=4), media_type="application/json")
|
|
else:
|
|
res = { 'type': 'danger', 'msg': 'command failed: ' + output.output.decode('utf-8') }
|
|
return Response(content=json.dumps(res, indent=4), media_type="application/json")
|
|
if type == 'utf8_text_only':
|
|
return Response(content=output.output.decode('utf-8'), media_type="text/plain")
|
|
|
|
async def get_host_stats(wait=5):
|
|
global host_stats_isUpdating
|
|
|
|
try:
|
|
system_time = datetime.now()
|
|
host_stats = {
|
|
"cpu": {
|
|
"cores": psutil.cpu_count(),
|
|
"usage": psutil.cpu_percent()
|
|
},
|
|
"memory": {
|
|
"total": psutil.virtual_memory().total,
|
|
"usage": psutil.virtual_memory().percent,
|
|
"swap": psutil.swap_memory()
|
|
},
|
|
"uptime": time.time() - psutil.boot_time(),
|
|
"system_time": system_time.strftime("%d.%m.%Y %H:%M:%S")
|
|
}
|
|
|
|
redis_client.set('host_stats', json.dumps(host_stats), ex=10)
|
|
except Exception as e:
|
|
res = {
|
|
"type": "danger",
|
|
"msg": str(e)
|
|
}
|
|
|
|
await asyncio.sleep(wait)
|
|
host_stats_isUpdating = False
|
|
|
|
async def get_container_stats(container_id, wait=5, stop=False):
|
|
global containerIds_to_update
|
|
|
|
if container_id and container_id.isalnum():
|
|
try:
|
|
for container in (await async_docker_client.containers.list()):
|
|
if container._id == container_id:
|
|
res = await container.stats(stream=False)
|
|
|
|
if redis_client.exists(container_id + '_stats'):
|
|
stats = json.loads(redis_client.get(container_id + '_stats'))
|
|
else:
|
|
stats = []
|
|
stats.append(res[0])
|
|
if len(stats) > 3:
|
|
del stats[0]
|
|
redis_client.set(container_id + '_stats', json.dumps(stats), ex=60)
|
|
except Exception as e:
|
|
res = {
|
|
"type": "danger",
|
|
"msg": str(e)
|
|
}
|
|
else:
|
|
res = {
|
|
"type": "danger",
|
|
"msg": "no or invalid id defined"
|
|
}
|
|
|
|
await asyncio.sleep(wait)
|
|
if stop == True:
|
|
# update task was called second time, stop
|
|
containerIds_to_update.remove(container_id)
|
|
else:
|
|
# call update task a second time
|
|
await get_container_stats(container_id, wait=0, stop=True)
|
|
|
|
|
|
|
|
if os.environ['REDIS_SLAVEOF_IP'] != "":
|
|
redis_client = redis.Redis(host=os.environ['REDIS_SLAVEOF_IP'], port=os.environ['REDIS_SLAVEOF_PORT'], db=0)
|
|
else:
|
|
redis_client = redis.Redis(host='redis-mailcow', port=6379, db=0)
|
|
|
|
sync_docker_client = docker.DockerClient(base_url='unix://var/run/docker.sock', version='auto')
|
|
async_docker_client = aiodocker.Docker(url='unix:///var/run/docker.sock')
|
|
|
|
logger.info('DockerApi started')
|