outposts: use channel groups instead of saving channel names (#7183)
* outposts: use channel groups instead of saving channel names Signed-off-by: Jens Langhammer <jens@goauthentik.io> * use pubsub Signed-off-by: Jens Langhammer <jens@goauthentik.io> * support storing other args with state Signed-off-by: Jens Langhammer <jens@goauthentik.io> --------- Signed-off-by: Jens Langhammer <jens@goauthentik.io>
This commit is contained in:
Jens L
GitHub
parent
00b2a773b4
commit
25d4905d6c
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@ -4,6 +4,7 @@ from datetime import datetime
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from enum import IntEnum
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from typing import Any, Optional
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from asgiref.sync import async_to_sync
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from channels.exceptions import DenyConnection
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from dacite.core import from_dict
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from dacite.data import Data
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@ -14,6 +15,8 @@ from authentik.core.channels import AuthJsonConsumer
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from authentik.outposts.apps import GAUGE_OUTPOSTS_CONNECTED, GAUGE_OUTPOSTS_LAST_UPDATE
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from authentik.outposts.models import OUTPOST_HELLO_INTERVAL, Outpost, OutpostState
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OUTPOST_GROUP = "group_outpost_%(outpost_pk)s"
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class WebsocketMessageInstruction(IntEnum):
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"""Commands which can be triggered over Websocket"""
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@ -47,8 +50,6 @@ class OutpostConsumer(AuthJsonConsumer):
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last_uid: Optional[str] = None
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first_msg = False
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.logger = get_logger()
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@ -71,22 +72,26 @@ class OutpostConsumer(AuthJsonConsumer):
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raise DenyConnection()
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self.outpost = outpost
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self.last_uid = self.channel_name
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async_to_sync(self.channel_layer.group_add)(
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OUTPOST_GROUP % {"outpost_pk": str(self.outpost.pk)}, self.channel_name
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)
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GAUGE_OUTPOSTS_CONNECTED.labels(
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outpost=self.outpost.name,
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uid=self.last_uid,
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expected=self.outpost.config.kubernetes_replicas,
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).inc()
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def disconnect(self, code):
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if self.outpost:
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async_to_sync(self.channel_layer.group_discard)(
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OUTPOST_GROUP % {"outpost_pk": str(self.outpost.pk)}, self.channel_name
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)
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if self.outpost and self.last_uid:
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state = OutpostState.for_instance_uid(self.outpost, self.last_uid)
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if self.channel_name in state.channel_ids:
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state.channel_ids.remove(self.channel_name)
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state.save()
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GAUGE_OUTPOSTS_CONNECTED.labels(
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outpost=self.outpost.name,
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uid=self.last_uid,
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expected=self.outpost.config.kubernetes_replicas,
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).dec()
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self.logger.debug(
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"removed outpost instance from cache",
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instance_uuid=self.last_uid,
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)
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def receive_json(self, content: Data):
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msg = from_dict(WebsocketMessage, content)
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@ -97,26 +102,13 @@ class OutpostConsumer(AuthJsonConsumer):
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raise DenyConnection()
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state = OutpostState.for_instance_uid(self.outpost, uid)
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if self.channel_name not in state.channel_ids:
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state.channel_ids.append(self.channel_name)
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state.last_seen = datetime.now()
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state.hostname = msg.args.get("hostname", "")
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if not self.first_msg:
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GAUGE_OUTPOSTS_CONNECTED.labels(
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outpost=self.outpost.name,
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uid=self.last_uid,
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expected=self.outpost.config.kubernetes_replicas,
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).inc()
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self.logger.debug(
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"added outpost instance to cache",
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instance_uuid=self.last_uid,
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)
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self.first_msg = True
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state.hostname = msg.args.pop("hostname", "")
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if msg.instruction == WebsocketMessageInstruction.HELLO:
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state.version = msg.args.get("version", None)
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state.build_hash = msg.args.get("buildHash", "")
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state.version = msg.args.pop("version", None)
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state.build_hash = msg.args.pop("buildHash", "")
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state.args = msg.args
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elif msg.instruction == WebsocketMessageInstruction.ACK:
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return
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GAUGE_OUTPOSTS_LAST_UPDATE.labels(
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@ -411,12 +411,12 @@ class OutpostState:
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"""Outpost instance state, last_seen and version"""
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uid: str
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channel_ids: list[str] = field(default_factory=list)
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last_seen: Optional[datetime] = field(default=None)
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version: Optional[str] = field(default=None)
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version_should: Version = field(default=OUR_VERSION)
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build_hash: str = field(default="")
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hostname: str = field(default="")
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args: dict = field(default_factory=dict)
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_outpost: Optional[Outpost] = field(default=None)
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@ -25,6 +25,7 @@ from authentik.events.monitored_tasks import (
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)
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from authentik.lib.config import CONFIG
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from authentik.lib.utils.reflection import path_to_class
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from authentik.outposts.consumer import OUTPOST_GROUP
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from authentik.outposts.controllers.base import BaseController, ControllerException
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from authentik.outposts.controllers.docker import DockerClient
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from authentik.outposts.controllers.kubernetes import KubernetesClient
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@ -34,7 +35,6 @@ from authentik.outposts.models import (
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Outpost,
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OutpostModel,
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OutpostServiceConnection,
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OutpostState,
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OutpostType,
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ServiceConnectionInvalid,
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)
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@ -243,10 +243,9 @@ def _outpost_single_update(outpost: Outpost, layer=None):
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outpost.build_user_permissions(outpost.user)
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if not layer: # pragma: no cover
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layer = get_channel_layer()
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for state in OutpostState.for_outpost(outpost):
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for channel in state.channel_ids:
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LOGGER.debug("sending update", channel=channel, instance=state.uid, outpost=outpost)
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async_to_sync(layer.send)(channel, {"type": "event.update"})
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group = OUTPOST_GROUP % {"outpost_pk": str(outpost.pk)}
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LOGGER.debug("sending update", channel=group, outpost=outpost)
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async_to_sync(layer.group_send)(group, {"type": "event.update"})
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@CELERY_APP.task(
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@ -7,7 +7,7 @@ from django.test import TransactionTestCase
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from authentik import __version__
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from authentik.core.tests.utils import create_test_flow
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from authentik.outposts.channels import WebsocketMessage, WebsocketMessageInstruction
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from authentik.outposts.consumer import WebsocketMessage, WebsocketMessageInstruction
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from authentik.outposts.models import Outpost, OutpostType
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from authentik.providers.proxy.models import ProxyProvider
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from authentik.root import websocket
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@ -7,7 +7,7 @@ from authentik.outposts.api.service_connections import (
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KubernetesServiceConnectionViewSet,
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ServiceConnectionViewSet,
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)
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from authentik.outposts.channels import OutpostConsumer
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from authentik.outposts.consumer import OutpostConsumer
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from authentik.root.middleware import ChannelsLoggingMiddleware
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websocket_urlpatterns = [
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@ -3,7 +3,8 @@ from asgiref.sync import async_to_sync
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from channels.layers import get_channel_layer
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from django.db import DatabaseError, InternalError, ProgrammingError
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from authentik.outposts.models import Outpost, OutpostState, OutpostType
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from authentik.outposts.consumer import OUTPOST_GROUP
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from authentik.outposts.models import Outpost, OutpostType
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from authentik.providers.proxy.models import ProxyProvider
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from authentik.root.celery import CELERY_APP
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@ -23,13 +24,12 @@ def proxy_on_logout(session_id: str):
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"""Update outpost instances connected to a single outpost"""
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layer = get_channel_layer()
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for outpost in Outpost.objects.filter(type=OutpostType.PROXY):
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for state in OutpostState.for_outpost(outpost):
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for channel in state.channel_ids:
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async_to_sync(layer.send)(
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channel,
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{
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"type": "event.provider.specific",
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"sub_type": "logout",
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"session_id": session_id,
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},
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)
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group = OUTPOST_GROUP % {"outpost_pk": str(outpost.pk)}
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async_to_sync(layer.group_send)(
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group,
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{
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"type": "event.provider.specific",
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"sub_type": "logout",
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"session_id": session_id,
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},
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)
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@ -253,10 +253,10 @@ ASGI_APPLICATION = "authentik.root.asgi.application"
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CHANNEL_LAYERS = {
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"default": {
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"BACKEND": "channels_redis.core.RedisChannelLayer",
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"BACKEND": "channels_redis.pubsub.RedisPubSubChannelLayer",
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"CONFIG": {
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"hosts": [f"{_redis_url}/{CONFIG.get('redis.db')}"],
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"prefix": "authentik_channels",
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"prefix": "authentik_channels_",
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},
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},
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}
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