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Merge pull request #2787 from WesleyAC/celery-clear-queues-form
Add form to remove tasks from Celery
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commit
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2 changed files with 79 additions and 0 deletions
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@ -116,6 +116,35 @@
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</div>
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{% endif %}
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<section class="block">
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<div class="content"><h2>{% trans "Clear Queues" %}</h2></div>
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<div class="content notification is-warning is-flex is-align-items-start">
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<span class="icon icon-warning is-size-4 pr-3" aria-hidden="true"></span>
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{% trans "Clearing queues can cause serious problems including data loss! Only play with this if you really know what you're doing. You must shut down the Celery worker before you do this." %}
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</div>
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<form action="{% url 'settings-celery' %}" method="post">
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{% csrf_token %}
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<div class="columns">
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<div class="column is-3">
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<div class="content"><h3>{{ form.queues.label_tag }}</h3></div>
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{{ form.queues }}
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</div>
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<div class="column is-9">
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<div class="content"><h3>{{ form.tasks.label_tag }}</h3></div>
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{{ form.tasks }}
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</div>
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</div>
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<div class="buttons is-right">
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<button type="submit" class="button is-danger">{% trans "Clear Queues" %}</button>
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</div>
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</form>
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</section>
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{% if errors %}
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<div class="block content">
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<h2>{% trans "Errors" %}</h2>
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@ -1,10 +1,13 @@
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""" celery status """
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import json
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from django.contrib.auth.decorators import login_required, permission_required
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from django.http import HttpResponse
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from django.template.response import TemplateResponse
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from django.utils.decorators import method_decorator
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from django.views import View
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from django.views.decorators.http import require_GET
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from django import forms
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import redis
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from celerywyrm import settings
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@ -46,14 +49,61 @@ class CeleryStatus(View):
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queues = None
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errors.append(err)
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form = ClearCeleryForm()
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data = {
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"stats": stats,
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"active_tasks": active_tasks,
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"queues": queues,
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"form": form,
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"errors": errors,
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}
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return TemplateResponse(request, "settings/celery.html", data)
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def post(self, request):
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"""Submit form to clear queues"""
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form = ClearCeleryForm(request.POST)
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if form.is_valid():
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if len(celery.control.ping()) != 0:
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return HttpResponse(
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"Refusing to delete tasks while Celery worker is active"
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)
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pipeline = r.pipeline()
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for queue in form.cleaned_data["queues"]:
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for task in r.lrange(queue, 0, -1):
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task_json = json.loads(task)
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if task_json["headers"]["task"] in form.cleaned_data["tasks"]:
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pipeline.lrem(queue, 0, task)
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results = pipeline.execute()
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return HttpResponse(f"Deleted {sum(results)} tasks")
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class ClearCeleryForm(forms.Form):
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"""Form to clear queues"""
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queues = forms.MultipleChoiceField(
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label="Queues",
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choices=[
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(LOW, "Low prioirty"),
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(MEDIUM, "Medium priority"),
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(HIGH, "High priority"),
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(IMPORTS, "Imports"),
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(BROADCAST, "Broadcasts"),
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],
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widget=forms.CheckboxSelectMultiple,
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)
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tasks = forms.MultipleChoiceField(
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label="Tasks", choices=[], widget=forms.CheckboxSelectMultiple
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)
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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celery.loader.import_default_modules()
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self.fields["tasks"].choices = sorted(
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[(k, k) for k in celery.tasks.keys() if not k.startswith("celery.")]
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)
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@require_GET
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# pylint: disable=unused-argument
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