blob: 4a17e0c59a47a95993e4b7b0dfe64d21d0561057 [file] [log] [blame]
from fastapi import FastAPI, Response, Request
import aiodocker
import psutil
import sys
import re
import time
import os
import json
import asyncio
import redis
from datetime import datetime
containerIds_to_update = []
host_stats_isUpdating = False
app = FastAPI()
@app.get("/host/stats")
async def get_host_update_stats():
global host_stats_isUpdating
if host_stats_isUpdating == False:
print("start host stats task")
asyncio.create_task(get_host_stats())
host_stats_isUpdating = True
while True:
if redis_client.exists('host_stats'):
break
print("wait for host_stats results")
await asyncio.sleep(1.5)
print("host stats pulled")
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(async_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"))
print("api call: %s, container_id: %s" % (api_call_method_name, container_id))
return await api_call_method(container_id, request_json)
except Exception as e:
print("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
async def container_post__stop(self, container_id, request_json):
for container in (await self.docker_client.containers.list()):
if container._id == container_id:
await 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
async def container_post__start(self, container_id, request_json):
for container in (await self.docker_client.containers.list()):
if container._id == container_id:
await 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
async def container_post__restart(self, container_id, request_json):
for container in (await self.docker_client.containers.list()):
if container._id == container_id:
await 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
async def container_post__top(self, container_id, request_json):
for container in (await self.docker_client.containers.list()):
if container._id == container_id:
ps_exec = await container.exec("ps")
async with ps_exec.start(detach=False) as stream:
ps_return = await stream.read_out()
exec_details = await ps_exec.inspect()
if exec_details["ExitCode"] == None or exec_details["ExitCode"] == 0:
res = {
'type': 'success',
'msg': ps_return.data.decode('utf-8')
}
return Response(content=json.dumps(res, indent=4), media_type="application/json")
else:
res = {
'type': 'danger',
'msg': ''
}
return Response(content=json.dumps(res, indent=4), media_type="application/json")
# api call: container_post - post_action: exec - cmd: mailq - task: delete
async def container_post__exec__mailq__delete(self, container_id, request_json):
if 'items' in request_json:
r = re.compile("^[0-9a-fA-F]+$")
filtered_qids = filter(r.match, request_json['items'])
if filtered_qids:
flagged_qids = ['-d %s' % i for i in filtered_qids]
sanitized_string = str(' '.join(flagged_qids))
for container in (await self.docker_client.containers.list()):
if container._id == container_id:
postsuper_r_exec = await container.exec(["/bin/bash", "-c", "/usr/sbin/postsuper " + sanitized_string])
return await exec_run_handler('generic', postsuper_r_exec)
# api call: container_post - post_action: exec - cmd: mailq - task: hold
async def container_post__exec__mailq__hold(self, container_id, request_json):
if 'items' in request_json:
r = re.compile("^[0-9a-fA-F]+$")
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 (await self.docker_client.containers.list()):
if container._id == container_id:
postsuper_r_exec = await container.exec(["/bin/bash", "-c", "/usr/sbin/postsuper " + sanitized_string])
return await exec_run_handler('generic', postsuper_r_exec)
# api call: container_post - post_action: exec - cmd: mailq - task: cat
async def container_post__exec__mailq__cat(self, container_id, request_json):
if 'items' in request_json:
r = re.compile("^[0-9a-fA-F]+$")
filtered_qids = filter(r.match, request_json['items'])
if filtered_qids:
sanitized_string = str(' '.join(filtered_qids))
for container in (await self.docker_client.containers.list()):
if container._id == container_id:
postcat_exec = await container.exec(["/bin/bash", "-c", "/usr/sbin/postcat -q " + sanitized_string], user='postfix')
return await exec_run_handler('utf8_text_only', postcat_exec)
# api call: container_post - post_action: exec - cmd: mailq - task: unhold
async def container_post__exec__mailq__unhold(self, container_id, request_json):
if 'items' in request_json:
r = re.compile("^[0-9a-fA-F]+$")
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 (await self.docker_client.containers.list()):
if container._id == container_id:
postsuper_r_exec = await container.exec(["/bin/bash", "-c", "/usr/sbin/postsuper " + sanitized_string])
return await exec_run_handler('generic', postsuper_r_exec)
# api call: container_post - post_action: exec - cmd: mailq - task: deliver
async 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 (await self.docker_client.containers.list()):
if container._id == container_id:
for i in flagged_qids:
postsuper_r_exec = await container.exec(["/bin/bash", "-c", "/usr/sbin/postqueue " + i], user='postfix')
async with postsuper_r_exec.start(detach=False) as stream:
postsuper_r_return = await stream.read_out()
# 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
async def container_post__exec__mailq__list(self, container_id, request_json):
for container in (await self.docker_client.containers.list()):
if container._id == container_id:
mailq_exec = await container.exec(["/usr/sbin/postqueue", "-j"], user='postfix')
return await exec_run_handler('utf8_text_only', mailq_exec)
# api call: container_post - post_action: exec - cmd: mailq - task: flush
async def container_post__exec__mailq__flush(self, container_id, request_json):
for container in (await self.docker_client.containers.list()):
if container._id == container_id:
postsuper_r_exec = await container.exec(["/usr/sbin/postqueue", "-f"], user='postfix')
return await exec_run_handler('generic', postsuper_r_exec)
# api call: container_post - post_action: exec - cmd: mailq - task: super_delete
async def container_post__exec__mailq__super_delete(self, container_id, request_json):
for container in (await self.docker_client.containers.list()):
if container._id == container_id:
postsuper_r_exec = await container.exec(["/usr/sbin/postsuper", "-d", "ALL"])
return await exec_run_handler('generic', postsuper_r_exec)
# api call: container_post - post_action: exec - cmd: system - task: fts_rescan
async def container_post__exec__system__fts_rescan(self, container_id, request_json):
if 'username' in request_json:
for container in (await self.docker_client.containers.list()):
if container._id == container_id:
rescan_exec = await container.exec(["/bin/bash", "-c", "/usr/bin/doveadm fts rescan -u '" + request_json['username'].replace("'", "'\\''") + "'"], user='vmail')
async with rescan_exec.start(detach=False) as stream:
rescan_return = await stream.read_out()
exec_details = await rescan_exec.inspect()
if exec_details["ExitCode"] == None or exec_details["ExitCode"] == 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 (await self.docker_client.containers.list()):
if container._id == container_id:
rescan_exec = await container.exec(["/bin/bash", "-c", "/usr/bin/doveadm fts rescan -A"], user='vmail')
async with rescan_exec.start(detach=False) as stream:
rescan_return = await stream.read_out()
exec_details = await rescan_exec.inspect()
if exec_details["ExitCode"] == None or exec_details["ExitCode"] == 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
async def container_post__exec__system__df(self, container_id, request_json):
if 'dir' in request_json:
for container in (await self.docker_client.containers.list()):
if container._id == container_id:
df_exec = await container.exec(["/bin/bash", "-c", "/bin/df -H '" + request_json['dir'].replace("'", "'\\''") + "' | /usr/bin/tail -n1 | /usr/bin/tr -s [:blank:] | /usr/bin/tr ' ' ','"], user='nobody')
async with df_exec.start(detach=False) as stream:
df_return = await stream.read_out()
print(df_return)
print(await df_exec.inspect())
exec_details = await df_exec.inspect()
if exec_details["ExitCode"] == None or exec_details["ExitCode"] == 0:
return df_return.data.decode('utf-8').rstrip()
else:
return "0,0,0,0,0,0"
# api call: container_post - post_action: exec - cmd: system - task: mysql_upgrade
async def container_post__exec__system__mysql_upgrade(self, container_id, request_json):
return Response(content=json.dumps(dict(type='success', msg='mysql_upgrade: not touching fake MySQL', text=''), indent=4), media_type="application/json")
# api call: container_post - post_action: exec - cmd: system - task: mysql_tzinfo_to_sql
async def container_post__exec__system__mysql_tzinfo_to_sql(self, container_id, request_json):
return Response(content=json.dumps(dict(type='success', msg='mysql_tzinfo_to_sql: not touching fake MySQL', text=''), indent=4), media_type="application/json")
# api call: container_post - post_action: exec - cmd: reload - task: dovecot
async def container_post__exec__reload__dovecot(self, container_id, request_json):
for container in (await self.docker_client.containers.list()):
if container._id == container_id:
reload_exec = await container.exec(["/bin/bash", "-c", "/usr/sbin/dovecot reload"])
return await exec_run_handler('generic', reload_exec)
# api call: container_post - post_action: exec - cmd: reload - task: postfix
async def container_post__exec__reload__postfix(self, container_id, request_json):
for container in (await self.docker_client.containers.list()):
if container._id == container_id:
reload_exec = await container.exec(["/bin/bash", "-c", "/usr/sbin/postfix reload"])
return await exec_run_handler('generic', reload_exec)
# api call: container_post - post_action: exec - cmd: reload - task: nginx
async def container_post__exec__reload__nginx(self, container_id, request_json):
for container in (await self.docker_client.containers.list()):
if container._id == container_id:
reload_exec = await container.exec(["/bin/sh", "-c", "/usr/sbin/nginx -s reload"])
return await exec_run_handler('generic', reload_exec)
# api call: container_post - post_action: exec - cmd: sieve - task: list
async def container_post__exec__sieve__list(self, container_id, request_json):
if 'username' in request_json:
for container in (await self.docker_client.containers.list()):
if container._id == container_id:
sieve_exec = await container.exec(["/bin/bash", "-c", "/usr/bin/doveadm sieve list -u '" + request_json['username'].replace("'", "'\\''") + "'"])
return await exec_run_handler('utf8_text_only', sieve_exec)
# api call: container_post - post_action: exec - cmd: sieve - task: print
async 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 (await self.docker_client.containers.list()):
if container._id == container_id:
cmd = ["/bin/bash", "-c", "/usr/bin/doveadm sieve get -u '" + request_json['username'].replace("'", "'\\''") + "' '" + request_json['script_name'].replace("'", "'\\''") + "'"]
sieve_exec = await container.exec(cmd)
return await exec_run_handler('utf8_text_only', sieve_exec)
# api call: container_post - post_action: exec - cmd: maildir - task: cleanup
async def container_post__exec__maildir__cleanup(self, container_id, request_json):
if 'maildir' in request_json:
for container in (await self.docker_client.containers.list()):
if container._id == container_id:
sane_name = re.sub(r'\W+', '', request_json['maildir'])
cmd = ["/bin/bash", "-c", "if [[ -d '/var/vmail/" + request_json['maildir'].replace("'", "'\\''") + "' ]]; then /bin/mv '/var/vmail/" + request_json['maildir'].replace("'", "'\\''") + "' '/var/vmail/_garbage/" + str(int(time.time())) + "_" + sane_name + "'; fi"]
maildir_cleanup_exec = await container.exec(cmd, user='vmail')
return await exec_run_handler('generic', maildir_cleanup_exec)
# api call: container_post - post_action: exec - cmd: rspamd - task: worker_password
async def container_post__exec__rspamd__worker_password(self, container_id, request_json):
if 'raw' in request_json:
for container in (await self.docker_client.containers.list()):
if container._id == container_id:
cmd = "./set_worker_password.sh '" + request_json['raw'].replace("'", "'\\''") + "' 2> /dev/null"
rspamd_password_exec = await container.exec(cmd, user='_rspamd')
async with rspamd_password_exec.start(detach=False) as stream:
rspamd_password_return = await stream.read_out()
matched = False
if "OK" in rspamd_password_return.data.decode('utf-8'):
matched = True
await container.restart()
if matched:
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 did not complete'
}
return Response(content=json.dumps(res, indent=4), media_type="application/json")
async def exec_run_handler(type, exec_obj):
async with exec_obj.start(detach=False) as stream:
exec_return = await stream.read_out()
if exec_return == None:
exec_return = ""
else:
exec_return = exec_return.data.decode('utf-8')
if type == 'generic':
exec_details = await exec_obj.inspect()
if exec_details["ExitCode"] == None or exec_details["ExitCode"] == 0:
res = {
"type": "success",
"msg": "command completed successfully"
}
return Response(content=json.dumps(res, indent=4), media_type="application/json")
else:
res = {
"type": "success",
"msg": "'command failed: " + exec_return
}
return Response(content=json.dumps(res, indent=4), media_type="application/json")
if type == 'utf8_text_only':
return Response(content=exec_return, 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)
}
print(json.dumps(res, indent=4))
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)
}
print(json.dumps(res, indent=4))
else:
res = {
"type": "danger",
"msg": "no or invalid id defined"
}
print(json.dumps(res, indent=4))
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)
async_docker_client = aiodocker.Docker(url='unix:///var/run/docker.sock')