125 lines
4.6 KiB
Python
125 lines
4.6 KiB
Python
"""outpost tasks"""
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from typing import Any
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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.models.base import Model
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from django.utils.text import slugify
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from structlog import get_logger
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from passbook.lib.tasks import MonitoredTask, TaskResult, TaskResultStatus
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from passbook.lib.utils.reflection import path_to_class
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from passbook.outposts.controllers.base import ControllerException
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from passbook.outposts.models import (
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Outpost,
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OutpostDeploymentType,
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OutpostModel,
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OutpostState,
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OutpostType,
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)
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from passbook.providers.proxy.controllers.docker import ProxyDockerController
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from passbook.providers.proxy.controllers.kubernetes import ProxyKubernetesController
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from passbook.root.celery import CELERY_APP
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LOGGER = get_logger()
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@CELERY_APP.task()
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def outpost_controller_all():
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"""Launch Controller for all Outposts which support it"""
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for outpost in Outpost.objects.exclude(
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deployment_type=OutpostDeploymentType.CUSTOM
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):
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outpost_controller.delay(outpost.pk.hex)
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@CELERY_APP.task(bind=True, base=MonitoredTask)
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def outpost_controller(self: MonitoredTask, outpost_pk: str):
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"""Launch controller deployment of Outpost"""
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logs = []
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outpost: Outpost = Outpost.objects.get(pk=outpost_pk)
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try:
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if outpost.type == OutpostType.PROXY:
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if outpost.deployment_type == OutpostDeploymentType.KUBERNETES:
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logs = ProxyKubernetesController(outpost).run_with_logs()
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if outpost.deployment_type == OutpostDeploymentType.DOCKER:
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logs = ProxyDockerController(outpost).run_with_logs()
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except ControllerException as exc:
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self.set_status(
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TaskResult(TaskResultStatus.ERROR, uid=slugify(outpost.name)).with_error(
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exc
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)
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)
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else:
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self.set_status(
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TaskResult(TaskResultStatus.SUCCESSFUL, logs, uid=slugify(outpost.name))
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)
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@CELERY_APP.task()
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def outpost_post_save(model_class: str, model_pk: Any):
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"""If an Outpost is saved, Ensure that token is created/updated
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If an OutpostModel, or a model that is somehow connected to an OutpostModel is saved,
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we send a message down the relevant OutpostModels WS connection to trigger an update"""
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model: Model = path_to_class(model_class)
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try:
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instance = model.objects.get(pk=model_pk)
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except model.DoesNotExist:
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LOGGER.warning("Model does not exist", model=model, pk=model_pk)
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return
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if isinstance(instance, Outpost):
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LOGGER.debug("Ensuring token for outpost", instance=instance)
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_ = instance.token
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LOGGER.debug("Trigger reconcile for outpost")
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outpost_controller.delay(instance.pk)
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return
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if isinstance(instance, (OutpostModel, Outpost)):
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LOGGER.debug(
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"triggering outpost update from outpostmodel/outpost", instance=instance
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)
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outpost_send_update(instance)
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return
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for field in instance._meta.get_fields():
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# Each field is checked if it has a `related_model` attribute (when ForeginKeys or M2Ms)
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# are used, and if it has a value
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if not hasattr(field, "related_model"):
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continue
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if not field.related_model:
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continue
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if not issubclass(field.related_model, OutpostModel):
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continue
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field_name = f"{field.name}_set"
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if not hasattr(instance, field_name):
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continue
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LOGGER.debug("triggering outpost update from from field", field=field.name)
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# Because the Outpost Model has an M2M to Provider,
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# we have to iterate over the entire QS
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for reverse in getattr(instance, field_name).all():
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outpost_send_update(reverse)
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def outpost_send_update(model_instace: Model):
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"""Send outpost update to all registered outposts, irregardless to which passbook
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instance they are connected"""
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channel_layer = get_channel_layer()
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if isinstance(model_instace, OutpostModel):
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for outpost in model_instace.outpost_set.all():
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_outpost_single_update(outpost, channel_layer)
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elif isinstance(model_instace, Outpost):
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_outpost_single_update(model_instace, channel_layer)
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def _outpost_single_update(outpost: Outpost, layer=None):
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"""Update outpost instances connected to a single outpost"""
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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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LOGGER.debug("sending update", channel=state.uid, outpost=outpost)
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async_to_sync(layer.send)(state.uid, {"type": "event.update"})
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