From 06cce79806fccefa29f7145a7421ca8d122f6dbe Mon Sep 17 00:00:00 2001
From: FreddleSpl0it <patschul@posteo.de>
Date: Mon, 12 Jun 2023 16:37:48 +0200
Subject: [PATCH 1/3] [Dockerapi] add pubsub handler for broadcasting in ha
 setup

---
 data/Dockerfiles/dockerapi/Dockerfile         |   7 +-
 .../dockerapi/docker-entrypoint.sh            |   2 +-
 data/Dockerfiles/dockerapi/dockerapi.py       | 549 ------------------
 data/Dockerfiles/dockerapi/main.py            | 260 +++++++++
 .../dockerapi/modules/DockerApi.py            | 486 ++++++++++++++++
 .../Dockerfiles/dockerapi/modules/__init__.py |   0
 data/web/inc/functions.docker.inc.php         |  11 +
 data/web/inc/functions.mailbox.inc.php        |   9 +-
 8 files changed, 764 insertions(+), 560 deletions(-)
 delete mode 100644 data/Dockerfiles/dockerapi/dockerapi.py
 create mode 100644 data/Dockerfiles/dockerapi/main.py
 create mode 100644 data/Dockerfiles/dockerapi/modules/DockerApi.py
 create mode 100644 data/Dockerfiles/dockerapi/modules/__init__.py

diff --git a/data/Dockerfiles/dockerapi/Dockerfile b/data/Dockerfiles/dockerapi/Dockerfile
index fce4dde8..3431f939 100644
--- a/data/Dockerfiles/dockerapi/Dockerfile
+++ b/data/Dockerfiles/dockerapi/Dockerfile
@@ -14,9 +14,12 @@ RUN apk add --update --no-cache python3 \
   uvicorn \
   aiodocker \
   docker \
-  redis 
+  aioredis 
+RUN mkdir /app/modules
 
 COPY docker-entrypoint.sh /app/
-COPY dockerapi.py /app/
+COPY main.py /app/main.py
+COPY modules/ /app/modules/
 
 ENTRYPOINT ["/bin/sh", "/app/docker-entrypoint.sh"]
+CMD exec python main.py
\ No newline at end of file
diff --git a/data/Dockerfiles/dockerapi/docker-entrypoint.sh b/data/Dockerfiles/dockerapi/docker-entrypoint.sh
index aab6cd51..64f4b829 100755
--- a/data/Dockerfiles/dockerapi/docker-entrypoint.sh
+++ b/data/Dockerfiles/dockerapi/docker-entrypoint.sh
@@ -6,4 +6,4 @@
   -subj /CN=dockerapi/O=mailcow \
   -addext subjectAltName=DNS:dockerapi`
 
-`uvicorn --host 0.0.0.0 --port 443 --ssl-certfile=/app/dockerapi_cert.pem --ssl-keyfile=/app/dockerapi_key.pem dockerapi:app`
+exec "$@"
diff --git a/data/Dockerfiles/dockerapi/dockerapi.py b/data/Dockerfiles/dockerapi/dockerapi.py
deleted file mode 100644
index 7edb2e08..00000000
--- a/data/Dockerfiles/dockerapi/dockerapi.py
+++ /dev/null
@@ -1,549 +0,0 @@
-from fastapi import FastAPI, Response, Request
-import aiodocker
-import docker
-import psutil
-import sys
-import re
-import time
-import os
-import json
-import asyncio
-import redis
-import platform
-from datetime import datetime
-import logging
-from logging.config import dictConfig
-
-
-log_config = {
-    "version": 1,
-    "disable_existing_loggers": False,
-    "formatters": {
-        "default": {
-            "()": "uvicorn.logging.DefaultFormatter",
-            "fmt": "%(levelprefix)s %(asctime)s %(message)s",
-            "datefmt": "%Y-%m-%d %H:%M:%S",
-
-        },
-    },
-    "handlers": {
-        "default": {
-            "formatter": "default",
-            "class": "logging.StreamHandler",
-            "stream": "ext://sys.stderr",
-        },
-    },
-    "loggers": {
-        "api-logger": {"handlers": ["default"], "level": "INFO"},
-    },
-}
-dictConfig(log_config)
-
-containerIds_to_update = []
-host_stats_isUpdating = False
-app = FastAPI()
-logger = logging.getLogger('api-logger')
-
-
-@app.get("/host/stats")
-async def get_host_update_stats():
-  global host_stats_isUpdating
-
-  if host_stats_isUpdating == False:
-    asyncio.create_task(get_host_stats())
-    host_stats_isUpdating = True
-
-  while True:
-    if redis_client.exists('host_stats'):
-      break
-    await asyncio.sleep(1.5)
-
-
-  stats = json.loads(redis_client.get('host_stats'))
-  return Response(content=json.dumps(stats, indent=4), media_type="application/json")
-
-@app.get("/containers/{container_id}/json")
-async def get_container(container_id : str):
-  if container_id and container_id.isalnum():
-    try:
-      for container in (await async_docker_client.containers.list()):
-        if container._id == container_id:
-          container_info = await container.show()
-          return Response(content=json.dumps(container_info, indent=4), media_type="application/json")
-     
-      res = {
-        "type": "danger",
-        "msg": "no container found"
-      }
-      return Response(content=json.dumps(res, indent=4), media_type="application/json")
-    except Exception as e:
-      res = {
-        "type": "danger",
-        "msg": str(e)
-      }
-      return Response(content=json.dumps(res, indent=4), media_type="application/json")
-  else:
-    res = {
-      "type": "danger",
-      "msg": "no or invalid id defined"
-    }
-    return Response(content=json.dumps(res, indent=4), media_type="application/json")
-
-@app.get("/containers/json")
-async def get_containers():
-  containers = {}
-  try:
-    for container in (await async_docker_client.containers.list()):
-      container_info = await container.show()
-      containers.update({container_info['Id']: container_info})
-    return Response(content=json.dumps(containers, indent=4), media_type="application/json")
-  except Exception as e:
-    res = {
-      "type": "danger",
-      "msg": str(e)
-    }
-    return Response(content=json.dumps(res, indent=4), media_type="application/json")
-
-@app.post("/containers/{container_id}/{post_action}")
-async def post_containers(container_id : str, post_action : str, request: Request):
-  try : 
-    request_json = await request.json()
-  except Exception as err:
-    request_json = {}
-
-  if container_id and container_id.isalnum() and post_action:
-    try:
-      """Dispatch container_post api call"""
-      if post_action == 'exec':
-        if not request_json or not 'cmd' in request_json:
-          res = {
-            "type": "danger",
-            "msg": "cmd is missing"
-          }
-          return Response(content=json.dumps(res, indent=4), media_type="application/json")
-        if not request_json or not 'task' in request_json:
-          res = {
-            "type": "danger",
-            "msg": "task is missing"
-          }
-          return Response(content=json.dumps(res, indent=4), media_type="application/json")
-
-        api_call_method_name = '__'.join(['container_post', str(post_action), str(request_json['cmd']), str(request_json['task']) ])
-      else:
-        api_call_method_name = '__'.join(['container_post', str(post_action) ])
-
-      docker_utils = DockerUtils(sync_docker_client)
-      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"))
-
-
-      logger.info("api call: %s, container_id: %s" % (api_call_method_name, container_id))
-      return api_call_method(container_id, request_json)
-    except Exception as e:
-      logger.error("error - container_post: %s" % str(e))
-      res = {
-        "type": "danger",
-        "msg": str(e)
-      }
-      return Response(content=json.dumps(res, indent=4), media_type="application/json")
-
-  else:
-    res = {
-      "type": "danger",
-      "msg": "invalid container id or missing action"
-    }
-    return Response(content=json.dumps(res, indent=4), media_type="application/json")
-
-@app.post("/container/{container_id}/stats/update")
-async def post_container_update_stats(container_id : str):
-  global containerIds_to_update
-
-  # start update task for container if no task is running
-  if container_id not in containerIds_to_update:
-    asyncio.create_task(get_container_stats(container_id))
-    containerIds_to_update.append(container_id)
-
-  while True:
-    if redis_client.exists(container_id + '_stats'):
-      break
-    await asyncio.sleep(1.5)
-
-  stats = json.loads(redis_client.get(container_id + '_stats'))
-  return Response(content=json.dumps(stats, indent=4), media_type="application/json")
-
-
-
-
-class DockerUtils:
-  def __init__(self, docker_client):
-    self.docker_client = docker_client
-
-  # api call: container_post - post_action: stop
-  def container_post__stop(self, container_id, request_json):
-    for container in self.docker_client.containers.list(all=True, filters={"id": container_id}):
-      container.stop()
-
-    res = { 'type': 'success', 'msg': 'command completed successfully'}
-    return Response(content=json.dumps(res, indent=4), media_type="application/json")
-  # api call: container_post - post_action: start
-  def container_post__start(self, container_id, request_json):
-    for container in self.docker_client.containers.list(all=True, filters={"id": container_id}):
-      container.start()
-
-    res = { 'type': 'success', 'msg': 'command completed successfully'}
-    return Response(content=json.dumps(res, indent=4), media_type="application/json")
-  # api call: container_post - post_action: restart
-  def container_post__restart(self, container_id, request_json):
-    for container in self.docker_client.containers.list(all=True, filters={"id": container_id}):
-      container.restart()
-
-    res = { 'type': 'success', 'msg': 'command completed successfully'}
-    return Response(content=json.dumps(res, indent=4), media_type="application/json")
-  # api call: container_post - post_action: top
-  def container_post__top(self, container_id, request_json):
-    for container in self.docker_client.containers.list(all=True, filters={"id": container_id}):
-      res = { 'type': 'success', 'msg': container.top()}
-      return Response(content=json.dumps(res, indent=4), media_type="application/json")
-  # api call: container_post - post_action: stats
-  def container_post__stats(self, container_id, request_json):
-    for container in self.docker_client.containers.list(all=True, filters={"id": container_id}):
-      for stat in container.stats(decode=True, stream=True):
-        res = { 'type': 'success', 'msg': stat}
-        return Response(content=json.dumps(res, indent=4), media_type="application/json")
-
-  # api call: container_post - post_action: exec - cmd: mailq - task: delete
-  def container_post__exec__mailq__delete(self, container_id, request_json):
-    if 'items' in request_json:
-      r = re.compile("^[0-9a-fA-F]+$")
-      filtered_qids = filter(r.match, request_json['items'])
-      if filtered_qids:
-        flagged_qids = ['-d %s' % i for i in filtered_qids]
-        sanitized_string = str(' '.join(flagged_qids));
-        for container in self.docker_client.containers.list(filters={"id": container_id}):
-          postsuper_r = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postsuper " + sanitized_string])
-          return exec_run_handler('generic', postsuper_r)
-
-
-  # api call: container_post - post_action: exec - cmd: mailq - task: hold
-  def container_post__exec__mailq__hold(self, container_id, request_json):
-    if 'items' in request_json:
-      r = re.compile("^[0-9a-fA-F]+$")
-      filtered_qids = filter(r.match, request_json['items'])
-      if filtered_qids:
-        flagged_qids = ['-h %s' % i for i in filtered_qids]
-        sanitized_string = str(' '.join(flagged_qids));
-        for container in self.docker_client.containers.list(filters={"id": container_id}):
-          postsuper_r = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postsuper " + sanitized_string])
-          return exec_run_handler('generic', postsuper_r)
-
-  # api call: container_post - post_action: exec - cmd: mailq - task: cat
-  def container_post__exec__mailq__cat(self, container_id, request_json):
-    if 'items' in request_json:
-      r = re.compile("^[0-9a-fA-F]+$")
-      filtered_qids = filter(r.match, request_json['items'])
-      if filtered_qids:
-        sanitized_string = str(' '.join(filtered_qids));
-
-        for container in self.docker_client.containers.list(filters={"id": container_id}):
-          postcat_return = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postcat -q " + sanitized_string], user='postfix')
-        if not postcat_return:
-          postcat_return = 'err: invalid'
-        return exec_run_handler('utf8_text_only', postcat_return)
-
-   # api call: container_post - post_action: exec - cmd: mailq - task: unhold
-  def container_post__exec__mailq__unhold(self, container_id, request_json):
-    if 'items' in request_json:
-      r = re.compile("^[0-9a-fA-F]+$")
-      filtered_qids = filter(r.match, request_json['items'])
-      if filtered_qids:
-        flagged_qids = ['-H %s' % i for i in filtered_qids]
-        sanitized_string = str(' '.join(flagged_qids));
-        for container in self.docker_client.containers.list(filters={"id": container_id}):
-          postsuper_r = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postsuper " + sanitized_string])
-          return exec_run_handler('generic', postsuper_r)
-
-  # api call: container_post - post_action: exec - cmd: mailq - task: deliver
-  def container_post__exec__mailq__deliver(self, container_id, request_json):
-    if 'items' in request_json:
-      r = re.compile("^[0-9a-fA-F]+$")
-      filtered_qids = filter(r.match, request_json['items'])
-      if filtered_qids:
-        flagged_qids = ['-i %s' % i for i in filtered_qids]
-        for container in self.docker_client.containers.list(filters={"id": container_id}):
-          for i in flagged_qids:
-            postqueue_r = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postqueue " + i], user='postfix')
-            # todo: check each exit code
-          res = { 'type': 'success', 'msg': 'Scheduled immediate delivery'}
-          return Response(content=json.dumps(res, indent=4), media_type="application/json")
-          
-  # api call: container_post - post_action: exec - cmd: mailq - task: list
-  def container_post__exec__mailq__list(self, container_id, request_json):
-    for container in self.docker_client.containers.list(filters={"id": container_id}):
-      mailq_return = container.exec_run(["/usr/sbin/postqueue", "-j"], user='postfix')
-      return exec_run_handler('utf8_text_only', mailq_return)
-  # api call: container_post - post_action: exec - cmd: mailq - task: flush
-  def container_post__exec__mailq__flush(self, container_id, request_json):
-    for container in self.docker_client.containers.list(filters={"id": container_id}):
-      postqueue_r = container.exec_run(["/usr/sbin/postqueue", "-f"], user='postfix')
-      return exec_run_handler('generic', postqueue_r)
-  # api call: container_post - post_action: exec - cmd: mailq - task: super_delete
-  def container_post__exec__mailq__super_delete(self, container_id, request_json):
-    for container in self.docker_client.containers.list(filters={"id": container_id}):
-      postsuper_r = container.exec_run(["/usr/sbin/postsuper", "-d", "ALL"])
-      return exec_run_handler('generic', postsuper_r)
-  # api call: container_post - post_action: exec - cmd: system - task: fts_rescan
-  def container_post__exec__system__fts_rescan(self, container_id, request_json):
-    if 'username' in request_json:
-      for container in self.docker_client.containers.list(filters={"id": container_id}):
-        rescan_return = container.exec_run(["/bin/bash", "-c", "/usr/bin/doveadm fts rescan -u '" + request_json['username'].replace("'", "'\\''") + "'"], user='vmail')
-        if rescan_return.exit_code == 0:
-          res = { 'type': 'success', 'msg': 'fts_rescan: rescan triggered'}
-          return Response(content=json.dumps(res, indent=4), media_type="application/json")
-        else:
-          res = { 'type': 'warning', 'msg': 'fts_rescan error'}
-          return Response(content=json.dumps(res, indent=4), media_type="application/json")
-    if 'all' in request_json:
-      for container in self.docker_client.containers.list(filters={"id": container_id}):
-        rescan_return = container.exec_run(["/bin/bash", "-c", "/usr/bin/doveadm fts rescan -A"], user='vmail')
-        if rescan_return.exit_code == 0:
-          res = { 'type': 'success', 'msg': 'fts_rescan: rescan triggered'}
-          return Response(content=json.dumps(res, indent=4), media_type="application/json")
-        else:
-          res = { 'type': 'warning', 'msg': 'fts_rescan error'}
-          return Response(content=json.dumps(res, indent=4), media_type="application/json")
-  # api call: container_post - post_action: exec - cmd: system - task: df
-  def container_post__exec__system__df(self, container_id, request_json):
-    if 'dir' in request_json:
-      for container in self.docker_client.containers.list(filters={"id": container_id}):
-        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')
-        if df_return.exit_code == 0:
-          return df_return.output.decode('utf-8').rstrip()
-        else:
-          return "0,0,0,0,0,0"
-  # api call: container_post - post_action: exec - cmd: system - task: mysql_upgrade
-  def container_post__exec__system__mysql_upgrade(self, container_id, request_json):
-    for container in self.docker_client.containers.list(filters={"id": container_id}):
-      sql_return = container.exec_run(["/bin/bash", "-c", "/usr/bin/mysql_upgrade -uroot -p'" + os.environ['DBROOT'].replace("'", "'\\''") + "'\n"], user='mysql')
-      if sql_return.exit_code == 0:
-        matched = False
-        for line in sql_return.output.decode('utf-8').split("\n"):
-          if 'is already upgraded to' in line:
-            matched = True
-        if matched:
-          res = { 'type': 'success', 'msg':'mysql_upgrade: already upgraded', 'text': sql_return.output.decode('utf-8')}
-          return Response(content=json.dumps(res, indent=4), media_type="application/json")
-        else:
-          container.restart()
-          res = { 'type': 'warning', 'msg':'mysql_upgrade: upgrade was applied', 'text': sql_return.output.decode('utf-8')}
-          return Response(content=json.dumps(res, indent=4), media_type="application/json")
-      else:
-        res = { 'type': 'error', 'msg': 'mysql_upgrade: error running command', 'text': sql_return.output.decode('utf-8')}
-        return Response(content=json.dumps(res, indent=4), media_type="application/json")
-  # api call: container_post - post_action: exec - cmd: system - task: mysql_tzinfo_to_sql
-  def container_post__exec__system__mysql_tzinfo_to_sql(self, container_id, request_json):
-    for container in self.docker_client.containers.list(filters={"id": container_id}):
-      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')
-      if sql_return.exit_code == 0:
-        res = { 'type': 'info', 'msg': 'mysql_tzinfo_to_sql: command completed successfully', 'text': sql_return.output.decode('utf-8')}
-        return Response(content=json.dumps(res, indent=4), media_type="application/json")
-      else:
-        res = { 'type': 'error', 'msg': 'mysql_tzinfo_to_sql: error running command', 'text': sql_return.output.decode('utf-8')}
-        return Response(content=json.dumps(res, indent=4), media_type="application/json")
-  # api call: container_post - post_action: exec - cmd: reload - task: dovecot
-  def container_post__exec__reload__dovecot(self, container_id, request_json):
-    for container in self.docker_client.containers.list(filters={"id": container_id}):
-      reload_return = container.exec_run(["/bin/bash", "-c", "/usr/sbin/dovecot reload"])
-      return exec_run_handler('generic', reload_return)
-  # api call: container_post - post_action: exec - cmd: reload - task: postfix
-  def container_post__exec__reload__postfix(self, container_id, request_json):
-    for container in self.docker_client.containers.list(filters={"id": container_id}):
-      reload_return = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postfix reload"])
-      return exec_run_handler('generic', reload_return)
-  # api call: container_post - post_action: exec - cmd: reload - task: nginx
-  def container_post__exec__reload__nginx(self, container_id, request_json):
-    for container in self.docker_client.containers.list(filters={"id": container_id}):
-      reload_return = container.exec_run(["/bin/sh", "-c", "/usr/sbin/nginx -s reload"])
-      return exec_run_handler('generic', reload_return)
-  # api call: container_post - post_action: exec - cmd: sieve - task: list
-  def container_post__exec__sieve__list(self, container_id, request_json):
-    if 'username' in request_json:
-      for container in self.docker_client.containers.list(filters={"id": container_id}):
-        sieve_return = container.exec_run(["/bin/bash", "-c", "/usr/bin/doveadm sieve list -u '" + request_json['username'].replace("'", "'\\''") + "'"])
-        return exec_run_handler('utf8_text_only', sieve_return)
-  # api call: container_post - post_action: exec - cmd: sieve - task: print
-  def container_post__exec__sieve__print(self, container_id, request_json):
-    if 'username' in request_json and 'script_name' in request_json:
-      for container in self.docker_client.containers.list(filters={"id": container_id}):
-        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("'", "'\\''")
-        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"
-        index_name = request_json['maildir'].split("/")
-        if len(index_name) > 1:
-          index_name = index_name[1].replace("'", "'\\''") + "@" + index_name[0].replace("'", "'\\''")
-          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]
-        else:
-          cmd = ["/bin/bash", "-c", cmd_vmail]
-        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"),
-      "architecture": platform.machine()
-    }
-
-    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')
diff --git a/data/Dockerfiles/dockerapi/main.py b/data/Dockerfiles/dockerapi/main.py
new file mode 100644
index 00000000..59d1a8ad
--- /dev/null
+++ b/data/Dockerfiles/dockerapi/main.py
@@ -0,0 +1,260 @@
+import os
+import sys
+import uvicorn
+import json
+import uuid
+import async_timeout
+import asyncio
+import aioredis
+import aiodocker
+import docker
+import logging
+from logging.config import dictConfig
+from fastapi import FastAPI, Response, Request
+from modules.DockerApi import DockerApi
+
+dockerapi = None
+app = FastAPI()
+
+# Define Routes
+@app.get("/host/stats")
+async def get_host_update_stats():
+  global dockerapi
+
+  if dockerapi.host_stats_isUpdating == False:
+    asyncio.create_task(dockerapi.get_host_stats())
+    dockerapi.host_stats_isUpdating = True
+
+  while True:
+    if await dockerapi.redis_client.exists('host_stats'):
+      break
+    await asyncio.sleep(1.5)
+
+  stats = json.loads(await dockerapi.redis_client.get('host_stats'))
+  return Response(content=json.dumps(stats, indent=4), media_type="application/json")
+
+@app.get("/containers/{container_id}/json")
+async def get_container(container_id : str):
+  global dockerapi
+
+  if container_id and container_id.isalnum():
+    try:
+      for container in (await dockerapi.async_docker_client.containers.list()):
+        if container._id == container_id:
+          container_info = await container.show()
+          return Response(content=json.dumps(container_info, indent=4), media_type="application/json")
+     
+      res = {
+        "type": "danger",
+        "msg": "no container found"
+      }
+      return Response(content=json.dumps(res, indent=4), media_type="application/json")
+    except Exception as e:
+      res = {
+        "type": "danger",
+        "msg": str(e)
+      }
+      return Response(content=json.dumps(res, indent=4), media_type="application/json")
+  else:
+    res = {
+      "type": "danger",
+      "msg": "no or invalid id defined"
+    }
+    return Response(content=json.dumps(res, indent=4), media_type="application/json")
+
+@app.get("/containers/json")
+async def get_containers():
+  global dockerapi
+
+  containers = {}
+  try:
+    for container in (await dockerapi.async_docker_client.containers.list()):
+      container_info = await container.show()
+      containers.update({container_info['Id']: container_info})
+    return Response(content=json.dumps(containers, indent=4), media_type="application/json")
+  except Exception as e:
+    res = {
+      "type": "danger",
+      "msg": str(e)
+    }
+    return Response(content=json.dumps(res, indent=4), media_type="application/json")
+
+@app.post("/containers/{container_id}/{post_action}")
+async def post_containers(container_id : str, post_action : str, request: Request):
+  global dockerapi
+
+  try : 
+    request_json = await request.json()
+  except Exception as err:
+    request_json = {}
+
+  if container_id and container_id.isalnum() and post_action:
+    try:
+      """Dispatch container_post api call"""
+      if post_action == 'exec':
+        if not request_json or not 'cmd' in request_json:
+          res = {
+            "type": "danger",
+            "msg": "cmd is missing"
+          }
+          return Response(content=json.dumps(res, indent=4), media_type="application/json")
+        if not request_json or not 'task' in request_json:
+          res = {
+            "type": "danger",
+            "msg": "task is missing"
+          }
+          return Response(content=json.dumps(res, indent=4), media_type="application/json")
+
+        api_call_method_name = '__'.join(['container_post', str(post_action), str(request_json['cmd']), str(request_json['task']) ])
+      else:
+        api_call_method_name = '__'.join(['container_post', str(post_action) ])
+
+      api_call_method = getattr(dockerapi, 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"))
+
+      dockerapi.logger.info("api call: %s, container_id: %s" % (api_call_method_name, container_id))
+      return api_call_method(request_json, container_id=container_id)
+    except Exception as e:
+      dockerapi.logger.error("error - container_post: %s" % str(e))
+      res = {
+        "type": "danger",
+        "msg": str(e)
+      }
+      return Response(content=json.dumps(res, indent=4), media_type="application/json")
+
+  else:
+    res = {
+      "type": "danger",
+      "msg": "invalid container id or missing action"
+    }
+    return Response(content=json.dumps(res, indent=4), media_type="application/json")
+
+@app.post("/container/{container_id}/stats/update")
+async def post_container_update_stats(container_id : str):
+  global dockerapi
+
+  # start update task for container if no task is running
+  if container_id not in dockerapi.containerIds_to_update:
+    asyncio.create_task(dockerapi.get_container_stats(container_id))
+    dockerapi.containerIds_to_update.append(container_id)
+
+  while True:
+    if await dockerapi.redis_client.exists(container_id + '_stats'):
+      break
+    await asyncio.sleep(1.5)
+
+  stats = json.loads(await dockerapi.redis_client.get(container_id + '_stats'))
+  return Response(content=json.dumps(stats, indent=4), media_type="application/json")
+
+# Events
+@app.on_event("startup")
+async def startup_event():
+  global dockerapi
+
+  # Initialize a custom logger
+  logger = logging.getLogger("dockerapi")
+  logger.setLevel(logging.INFO)
+  # Configure the logger to output logs to the terminal
+  handler = logging.StreamHandler()
+  handler.setLevel(logging.INFO)
+  formatter = logging.Formatter("%(levelname)s:     %(message)s")
+  handler.setFormatter(formatter)
+  logger.addHandler(handler)
+
+  logger.info("Init APP")
+
+  # Init redis client
+  if os.environ['REDIS_SLAVEOF_IP'] != "":
+    redis_client = redis = await aioredis.from_url(f"redis://{os.environ['REDIS_SLAVEOF_IP']}:{os.environ['REDIS_SLAVEOF_PORT']}/0")
+  else:
+    redis_client = redis = await aioredis.from_url("redis://redis-mailcow:6379/0")
+
+  # Init docker clients
+  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')
+
+  dockerapi = DockerApi(redis_client, sync_docker_client, async_docker_client, logger)
+
+  logger.info("Subscribe to redis channel")
+  # Subscribe to redis channel
+  dockerapi.pubsub = redis.pubsub()
+  await dockerapi.pubsub.subscribe("MC_CHANNEL")
+  asyncio.create_task(handle_pubsub_messages(dockerapi.pubsub))
+
+@app.on_event("shutdown")
+async def shutdown_event():
+  global dockerapi
+
+  # Close docker connections
+  dockerapi.sync_docker_client.close()
+  await dockerapi.async_docker_client.close()
+
+  # Close redis
+  await dockerapi.pubsub.unsubscribe("MC_CHANNEL")
+  await dockerapi.redis_client.close()
+
+# PubSub Handler
+async def handle_pubsub_messages(channel: aioredis.client.PubSub):
+  global dockerapi
+
+  while True:
+    try:
+      async with async_timeout.timeout(1):
+        message = await channel.get_message(ignore_subscribe_messages=True)
+        if message is not None:
+          # Parse message
+          data_json = json.loads(message['data'].decode('utf-8'))
+          dockerapi.logger.info(f"PubSub Received - {json.dumps(data_json)}")
+
+          # Handle api_call
+          if 'api_call' in data_json:
+            # api_call: container_post
+            if data_json['api_call'] == "container_post":
+              if 'post_action' in data_json and 'container_name' in data_json:
+                try:
+                  """Dispatch container_post api call"""
+                  request_json = {}
+                  if data_json['post_action'] == 'exec':
+                    if 'request' in data_json:
+                      request_json = data_json['request']
+                      if 'cmd' in request_json:
+                        if 'task' in request_json:
+                          api_call_method_name = '__'.join(['container_post', str(data_json['post_action']), str(request_json['cmd']), str(request_json['task']) ])
+                        else:
+                          dockerapi.logger.error("api call: task missing")
+                      else:
+                        dockerapi.logger.error("api call: cmd missing")
+                    else:
+                      dockerapi.logger.error("api call: request missing")
+                  else:
+                    api_call_method_name = '__'.join(['container_post', str(data_json['post_action'])])
+
+                  if api_call_method_name:
+                    api_call_method = getattr(dockerapi, api_call_method_name)
+                    if api_call_method:
+                      dockerapi.logger.info("api call: %s, container_name: %s" % (api_call_method_name, data_json['container_name']))
+                      api_call_method(request_json, container_name=data_json['container_name'])
+                    else:
+                      dockerapi.logger.error("api call not found: %s, container_name: %s" % (api_call_method_name, data_json['container_name']))
+                except Exception as e:
+                  dockerapi.logger.error("container_post: %s" % str(e))
+              else:
+                dockerapi.logger.error("api call: missing container_name, post_action or request")
+            else:
+              dockerapi.logger.error("Unknwon PubSub recieved - %s" % json.dumps(data_json))
+          else:
+            dockerapi.logger.error("Unknwon PubSub recieved - %s" % json.dumps(data_json))
+              
+        await asyncio.sleep(0.01)
+    except asyncio.TimeoutError:
+      pass
+
+if __name__ == '__main__':
+  uvicorn.run(
+    app,
+    host="0.0.0.0",
+    port=443,
+    ssl_certfile="/app/dockerapi_cert.pem",
+    ssl_keyfile="/app/dockerapi_key.pem",
+    log_level="info",
+    loop="none"
+  )
diff --git a/data/Dockerfiles/dockerapi/modules/DockerApi.py b/data/Dockerfiles/dockerapi/modules/DockerApi.py
new file mode 100644
index 00000000..6db77119
--- /dev/null
+++ b/data/Dockerfiles/dockerapi/modules/DockerApi.py
@@ -0,0 +1,486 @@
+import psutil
+import sys
+import re
+import time
+import json
+import asyncio
+import platform
+from datetime import datetime
+from fastapi import FastAPI, Response, Request
+
+class DockerApi:
+  def __init__(self, redis_client, sync_docker_client, async_docker_client, logger):
+    self.redis_client = redis_client
+    self.sync_docker_client = sync_docker_client
+    self.async_docker_client = async_docker_client
+    self.logger = logger
+
+    self.host_stats_isUpdating = False
+    self.containerIds_to_update = []
+
+  # api call: container_post - post_action: stop
+  def container_post__stop(self, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    for container in self.sync_docker_client.containers.list(all=True, filters=filters):
+      container.stop()
+
+    res = { 'type': 'success', 'msg': 'command completed successfully'}
+    return Response(content=json.dumps(res, indent=4), media_type="application/json")
+  # api call: container_post - post_action: start
+  def container_post__start(self, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    for container in self.sync_docker_client.containers.list(all=True, filters=filters):
+      container.start()
+
+    res = { 'type': 'success', 'msg': 'command completed successfully'}
+    return Response(content=json.dumps(res, indent=4), media_type="application/json")
+  # api call: container_post - post_action: restart
+  def container_post__restart(self, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    for container in self.sync_docker_client.containers.list(all=True, filters=filters):
+      container.restart()
+
+    res = { 'type': 'success', 'msg': 'command completed successfully'}
+    return Response(content=json.dumps(res, indent=4), media_type="application/json")
+  # api call: container_post - post_action: top
+  def container_post__top(self, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    for container in self.sync_docker_client.containers.list(all=True, filters=filters):
+      res = { 'type': 'success', 'msg': container.top()}
+      return Response(content=json.dumps(res, indent=4), media_type="application/json")
+  # api call: container_post - post_action: stats
+  def container_post__stats(self, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    for container in self.sync_docker_client.containers.list(all=True, filters=filters):
+      for stat in container.stats(decode=True, stream=True):
+        res = { 'type': 'success', 'msg': stat}
+        return Response(content=json.dumps(res, indent=4), media_type="application/json")
+  # api call: container_post - post_action: exec - cmd: mailq - task: delete
+  def container_post__exec__mailq__delete(self, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    if 'items' in request_json:
+      r = re.compile("^[0-9a-fA-F]+$")
+      filtered_qids = filter(r.match, request_json['items'])
+      if filtered_qids:
+        flagged_qids = ['-d %s' % i for i in filtered_qids]
+        sanitized_string = str(' '.join(flagged_qids))
+        for container in self.sync_docker_client.containers.list(filters=filters):
+          postsuper_r = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postsuper " + sanitized_string])
+          return self.exec_run_handler('generic', postsuper_r)
+  # api call: container_post - post_action: exec - cmd: mailq - task: hold
+  def container_post__exec__mailq__hold(self, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    if 'items' in request_json:
+      r = re.compile("^[0-9a-fA-F]+$")
+      filtered_qids = filter(r.match, request_json['items'])
+      if filtered_qids:
+        flagged_qids = ['-h %s' % i for i in filtered_qids]
+        sanitized_string = str(' '.join(flagged_qids))
+        for container in self.sync_docker_client.containers.list(filters=filters):
+          postsuper_r = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postsuper " + sanitized_string])
+          return self.exec_run_handler('generic', postsuper_r)
+  # api call: container_post - post_action: exec - cmd: mailq - task: cat
+  def container_post__exec__mailq__cat(self, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    if 'items' in request_json:
+      r = re.compile("^[0-9a-fA-F]+$")
+      filtered_qids = filter(r.match, request_json['items'])
+      if filtered_qids:
+        sanitized_string = str(' '.join(filtered_qids))
+
+        for container in self.sync_docker_client.containers.list(filters=filters):
+          postcat_return = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postcat -q " + sanitized_string], user='postfix')
+        if not postcat_return:
+          postcat_return = 'err: invalid'
+        return self.exec_run_handler('utf8_text_only', postcat_return)
+  # api call: container_post - post_action: exec - cmd: mailq - task: unhold
+  def container_post__exec__mailq__unhold(self, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    if 'items' in request_json:
+      r = re.compile("^[0-9a-fA-F]+$")
+      filtered_qids = filter(r.match, request_json['items'])
+      if filtered_qids:
+        flagged_qids = ['-H %s' % i for i in filtered_qids]
+        sanitized_string = str(' '.join(flagged_qids))
+        for container in self.sync_docker_client.containers.list(filters=filters):
+          postsuper_r = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postsuper " + sanitized_string])
+          return self.exec_run_handler('generic', postsuper_r)
+  # api call: container_post - post_action: exec - cmd: mailq - task: deliver
+  def container_post__exec__mailq__deliver(self, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    if 'items' in request_json:
+      r = re.compile("^[0-9a-fA-F]+$")
+      filtered_qids = filter(r.match, request_json['items'])
+      if filtered_qids:
+        flagged_qids = ['-i %s' % i for i in filtered_qids]
+        for container in self.sync_docker_client.containers.list(filters=filters):
+          for i in flagged_qids:
+            postqueue_r = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postqueue " + i], user='postfix')
+            # todo: check each exit code
+          res = { 'type': 'success', 'msg': 'Scheduled immediate delivery'}
+          return Response(content=json.dumps(res, indent=4), media_type="application/json")        
+  # api call: container_post - post_action: exec - cmd: mailq - task: list
+  def container_post__exec__mailq__list(self, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    for container in self.sync_docker_client.containers.list(filters=filters):
+      mailq_return = container.exec_run(["/usr/sbin/postqueue", "-j"], user='postfix')
+      return self.exec_run_handler('utf8_text_only', mailq_return)
+  # api call: container_post - post_action: exec - cmd: mailq - task: flush
+  def container_post__exec__mailq__flush(self, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    for container in self.sync_docker_client.containers.list(filters=filters):
+      postqueue_r = container.exec_run(["/usr/sbin/postqueue", "-f"], user='postfix')
+      return self.exec_run_handler('generic', postqueue_r)
+  # api call: container_post - post_action: exec - cmd: mailq - task: super_delete
+  def container_post__exec__mailq__super_delete(self, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    for container in self.sync_docker_client.containers.list(filters=filters):
+      postsuper_r = container.exec_run(["/usr/sbin/postsuper", "-d", "ALL"])
+      return self.exec_run_handler('generic', postsuper_r)
+  # api call: container_post - post_action: exec - cmd: system - task: fts_rescan
+  def container_post__exec__system__fts_rescan(self, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    if 'username' in request_json:
+      for container in self.sync_docker_client.containers.list(filters=filters):
+        rescan_return = container.exec_run(["/bin/bash", "-c", "/usr/bin/doveadm fts rescan -u '" + request_json['username'].replace("'", "'\\''") + "'"], user='vmail')
+        if rescan_return.exit_code == 0:
+          res = { 'type': 'success', 'msg': 'fts_rescan: rescan triggered'}
+          return Response(content=json.dumps(res, indent=4), media_type="application/json")
+        else:
+          res = { 'type': 'warning', 'msg': 'fts_rescan error'}
+          return Response(content=json.dumps(res, indent=4), media_type="application/json")
+    if 'all' in request_json:
+      for container in self.sync_docker_client.containers.list(filters=filters):
+        rescan_return = container.exec_run(["/bin/bash", "-c", "/usr/bin/doveadm fts rescan -A"], user='vmail')
+        if rescan_return.exit_code == 0:
+          res = { 'type': 'success', 'msg': 'fts_rescan: rescan triggered'}
+          return Response(content=json.dumps(res, indent=4), media_type="application/json")
+        else:
+          res = { 'type': 'warning', 'msg': 'fts_rescan error'}
+          return Response(content=json.dumps(res, indent=4), media_type="application/json")
+  # api call: container_post - post_action: exec - cmd: system - task: df
+  def container_post__exec__system__df(self, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    if 'dir' in request_json:
+      for container in self.sync_docker_client.containers.list(filters=filters):
+        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')
+        if df_return.exit_code == 0:
+          return df_return.output.decode('utf-8').rstrip()
+        else:
+          return "0,0,0,0,0,0"
+  # api call: container_post - post_action: exec - cmd: system - task: mysql_upgrade
+  def container_post__exec__system__mysql_upgrade(self, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    for container in self.sync_docker_client.containers.list(filters=filters):
+      sql_return = container.exec_run(["/bin/bash", "-c", "/usr/bin/mysql_upgrade -uroot -p'" + os.environ['DBROOT'].replace("'", "'\\''") + "'\n"], user='mysql')
+      if sql_return.exit_code == 0:
+        matched = False
+        for line in sql_return.output.decode('utf-8').split("\n"):
+          if 'is already upgraded to' in line:
+            matched = True
+        if matched:
+          res = { 'type': 'success', 'msg':'mysql_upgrade: already upgraded', 'text': sql_return.output.decode('utf-8')}
+          return Response(content=json.dumps(res, indent=4), media_type="application/json")
+        else:
+          container.restart()
+          res = { 'type': 'warning', 'msg':'mysql_upgrade: upgrade was applied', 'text': sql_return.output.decode('utf-8')}
+          return Response(content=json.dumps(res, indent=4), media_type="application/json")
+      else:
+        res = { 'type': 'error', 'msg': 'mysql_upgrade: error running command', 'text': sql_return.output.decode('utf-8')}
+        return Response(content=json.dumps(res, indent=4), media_type="application/json")
+  # api call: container_post - post_action: exec - cmd: system - task: mysql_tzinfo_to_sql
+  def container_post__exec__system__mysql_tzinfo_to_sql(self, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    for container in self.sync_docker_client.containers.list(filters=filters):
+      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')
+      if sql_return.exit_code == 0:
+        res = { 'type': 'info', 'msg': 'mysql_tzinfo_to_sql: command completed successfully', 'text': sql_return.output.decode('utf-8')}
+        return Response(content=json.dumps(res, indent=4), media_type="application/json")
+      else:
+        res = { 'type': 'error', 'msg': 'mysql_tzinfo_to_sql: error running command', 'text': sql_return.output.decode('utf-8')}
+        return Response(content=json.dumps(res, indent=4), media_type="application/json")
+  # api call: container_post - post_action: exec - cmd: reload - task: dovecot
+  def container_post__exec__reload__dovecot(self, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    for container in self.sync_docker_client.containers.list(filters=filters):
+      reload_return = container.exec_run(["/bin/bash", "-c", "/usr/sbin/dovecot reload"])
+      return self.exec_run_handler('generic', reload_return)
+  # api call: container_post - post_action: exec - cmd: reload - task: postfix
+  def container_post__exec__reload__postfix(self, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    for container in self.sync_docker_client.containers.list(filters=filters):
+      reload_return = container.exec_run(["/bin/bash", "-c", "/usr/sbin/postfix reload"])
+      return self.exec_run_handler('generic', reload_return)
+  # api call: container_post - post_action: exec - cmd: reload - task: nginx
+  def container_post__exec__reload__nginx(self, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    for container in self.sync_docker_client.containers.list(filters=filters):
+      reload_return = container.exec_run(["/bin/sh", "-c", "/usr/sbin/nginx -s reload"])
+      return self.exec_run_handler('generic', reload_return)
+  # api call: container_post - post_action: exec - cmd: sieve - task: list
+  def container_post__exec__sieve__list(self, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    if 'username' in request_json:
+      for container in self.sync_docker_client.containers.list(filters=filters):
+        sieve_return = container.exec_run(["/bin/bash", "-c", "/usr/bin/doveadm sieve list -u '" + request_json['username'].replace("'", "'\\''") + "'"])
+        return self.exec_run_handler('utf8_text_only', sieve_return)
+  # api call: container_post - post_action: exec - cmd: sieve - task: print
+  def container_post__exec__sieve__print(self, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    if 'username' in request_json and 'script_name' in request_json:
+      for container in self.sync_docker_client.containers.list(filters=filters):
+        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 self.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, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    if 'maildir' in request_json:
+      for container in self.sync_docker_client.containers.list(filters=filters):
+        sane_name = re.sub(r'\W+', '', request_json['maildir'])
+        vmail_name = request_json['maildir'].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"
+        index_name = request_json['maildir'].split("/")
+        if len(index_name) > 1:
+          index_name = index_name[1].replace("'", "'\\''") + "@" + index_name[0].replace("'", "'\\''")
+          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]
+        else:
+          cmd = ["/bin/bash", "-c", cmd_vmail]
+        maildir_cleanup = container.exec_run(cmd, user='vmail')
+        return self.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, request_json, **kwargs):
+    if 'container_id' in kwargs:
+      filters = {"id": kwargs['container_id']}
+    elif 'container_name' in kwargs:
+      filters = {"name": kwargs['container_name']}
+
+    if 'raw' in request_json:
+      for container in self.sync_docker_client.containers.list(filters=filters):
+        cmd = "/usr/bin/rspamadm pw -e -p '" + request_json['raw'].replace("'", "'\\''") + "' 2> /dev/null"
+        cmd_response = self.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 = self.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' }
+          self.logger.info('success changing Rspamd password')
+          return Response(content=json.dumps(res, indent=4), media_type="application/json")
+        else:
+          self.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")
+
+  # Collect host stats
+  async def get_host_stats(self, wait=5):
+    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"),
+        "architecture": platform.machine()
+      }
+
+      await self.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)
+    self.host_stats_isUpdating = False
+  # Collect container stats
+  async def get_container_stats(self, container_id, wait=5, stop=False):
+    if container_id and container_id.isalnum():
+      try:
+        for container in (await self.async_docker_client.containers.list()):
+          if container._id == container_id:
+            res = await container.stats(stream=False)
+
+            if await self.redis_client.exists(container_id + '_stats'):
+              stats = json.loads(await self.redis_client.get(container_id + '_stats'))
+            else:
+              stats = []
+            stats.append(res[0])
+            if len(stats) > 3:
+              del stats[0]
+            await self.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
+      self.containerIds_to_update.remove(container_id)
+    else:
+      # call update task a second time
+      await self.get_container_stats(container_id, wait=0, stop=True)
+
+  def exec_cmd_container(self, 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:
+      self.logger.error("error - exec_cmd_container: %s" % str(e))
+      traceback.print_exc(file=sys.stdout)
+
+  def exec_run_handler(self, 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")
diff --git a/data/Dockerfiles/dockerapi/modules/__init__.py b/data/Dockerfiles/dockerapi/modules/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/data/web/inc/functions.docker.inc.php b/data/web/inc/functions.docker.inc.php
index 78efac03..5b5b7ace 100644
--- a/data/web/inc/functions.docker.inc.php
+++ b/data/web/inc/functions.docker.inc.php
@@ -192,5 +192,16 @@ function docker($action, $service_name = null, $attr1 = null, $attr2 = null, $ex
       }
       return false;
     break;
+    case 'broadcast':
+      $request = array(
+        "api_call" => "container_post",
+        "container_name" => $service_name,
+        "post_action" => $attr1,
+        "request" => $attr2
+      );
+
+      $redis->publish("MC_CHANNEL", json_encode($request));
+      return true;
+    break;
   }
 }
diff --git a/data/web/inc/functions.mailbox.inc.php b/data/web/inc/functions.mailbox.inc.php
index 4a2aa6a3..a06e5c22 100644
--- a/data/web/inc/functions.mailbox.inc.php
+++ b/data/web/inc/functions.mailbox.inc.php
@@ -4930,14 +4930,7 @@ function mailbox($_action, $_type, $_data = null, $_extra = null) {
             if (!empty($mailbox_details['domain']) && !empty($mailbox_details['local_part'])) {
               $maildir = $mailbox_details['domain'] . '/' . $mailbox_details['local_part'];
               $exec_fields = array('cmd' => 'maildir', 'task' => 'cleanup', 'maildir' => $maildir);
-              $maildir_gc = json_decode(docker('post', 'dovecot-mailcow', 'exec', $exec_fields), true);
-              if ($maildir_gc['type'] != 'success') {
-                $_SESSION['return'][] = array(
-                  'type' => 'warning',
-                  'log' => array(__FUNCTION__, $_action, $_type, $_data_log, $_attr),
-                  'msg' => 'Could not move maildir to garbage collector: ' . $maildir_gc['msg']
-                );
-              }
+              docker('broadcast', 'dovecot-mailcow', 'exec', $exec_fields);
             }
             else {
               $_SESSION['return'][] = array(

From 0f6956572e760f6b303902f95de5898848d28cff Mon Sep 17 00:00:00 2001
From: FreddleSpl0it <patschul@posteo.de>
Date: Fri, 7 Jul 2023 09:58:51 +0200
Subject: [PATCH 2/3] [Web] add CLUSTERMODE environment variable

---
 data/web/inc/functions.mailbox.inc.php | 15 ++++++++++++++-
 docker-compose.yml                     |  1 +
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/data/web/inc/functions.mailbox.inc.php b/data/web/inc/functions.mailbox.inc.php
index a06e5c22..8bc6da22 100644
--- a/data/web/inc/functions.mailbox.inc.php
+++ b/data/web/inc/functions.mailbox.inc.php
@@ -4930,7 +4930,20 @@ function mailbox($_action, $_type, $_data = null, $_extra = null) {
             if (!empty($mailbox_details['domain']) && !empty($mailbox_details['local_part'])) {
               $maildir = $mailbox_details['domain'] . '/' . $mailbox_details['local_part'];
               $exec_fields = array('cmd' => 'maildir', 'task' => 'cleanup', 'maildir' => $maildir);
-              docker('broadcast', 'dovecot-mailcow', 'exec', $exec_fields);
+
+              if (getenv("CLUSTERMODE") == "replication") {
+                // broadcast to each dovecot container
+                docker('broadcast', 'dovecot-mailcow', 'exec', $exec_fields);
+              } else {
+                $maildir_gc = json_decode(docker('post', 'dovecot-mailcow', 'exec', $exec_fields), true);
+                if ($maildir_gc['type'] != 'success') {
+                  $_SESSION['return'][] = array(
+                    'type' => 'warning',
+                    'log' => array(__FUNCTION__, $_action, $_type, $_data_log, $_attr),
+                    'msg' => 'Could not move maildir to garbage collector: ' . $maildir_gc['msg']
+                  );
+                }
+              }
             }
             else {
               $_SESSION['return'][] = array(
diff --git a/docker-compose.yml b/docker-compose.yml
index a5a8f95b..4c854aeb 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -162,6 +162,7 @@ services:
         - DEV_MODE=${DEV_MODE:-n}
         - DEMO_MODE=${DEMO_MODE:-n}
         - WEBAUTHN_ONLY_TRUSTED_VENDORS=${WEBAUTHN_ONLY_TRUSTED_VENDORS:-n}
+        - CLUSTERMODE=${CLUSTERMODE:-}
       restart: always
       networks:
         mailcow-network:

From 0f0d43b253185e0980d96e8a7cdc98c6cd0ae457 Mon Sep 17 00:00:00 2001
From: FreddleSpl0it <patschul@posteo.de>
Date: Fri, 7 Jul 2023 11:32:28 +0200
Subject: [PATCH 3/3] [Dockerapi] add missing import os

---
 data/Dockerfiles/dockerapi/modules/DockerApi.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/data/Dockerfiles/dockerapi/modules/DockerApi.py b/data/Dockerfiles/dockerapi/modules/DockerApi.py
index 6db77119..ea1c104e 100644
--- a/data/Dockerfiles/dockerapi/modules/DockerApi.py
+++ b/data/Dockerfiles/dockerapi/modules/DockerApi.py
@@ -1,5 +1,6 @@
 import psutil
 import sys
+import os
 import re
 import time
 import json