gva/gnuviechadmin/websites/signals.py

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2023-04-17 19:41:42 +02:00
"""
This module contains the signal handlers of the :py:mod:`websites` app.
The module starts Celery_ tasks.
.. _Celery: https://www.celeryproject.org/
"""
import logging
from django.db.models.signals import post_delete, post_save
from django.dispatch import receiver
from fileservertasks.tasks import (
create_file_website_hierarchy,
delete_file_website_hierarchy,
)
from taskresults.models import TaskResult
from websites.models import Website
from webtasks.tasks import (
create_web_php_fpm_pool_config,
create_web_vhost_config,
delete_web_php_fpm_pool_config,
delete_web_vhost_config,
disable_web_vhost,
enable_web_vhost,
)
_LOGGER = logging.getLogger(__name__)
@receiver(post_save, sender=Website)
def handle_website_created(sender, instance, created, **kwargs):
"""
Handles post creation actions on :py:class:`Website <websites.models.Website>` instances.
:param sender: sender of the signal
:param instance: Website instance
:param created: whether the instance has just been created
This signal handler starts multiple Celery_ tasks.
"""
if created:
task_result = TaskResult.objects.create_task_result(
"create_web_php_fpm_pool_config",
create_web_php_fpm_pool_config.s(instance.osuser.username),
)
_LOGGER.info(
"PHP FPM configuration creation has been requested in task %s",
task_result.task_id,
)
fqdn = instance.get_fqdn()
task_result = TaskResult.objects.create_task_result(
"create_file_website_hierarchy",
create_file_website_hierarchy.s(instance.osuser.username, fqdn),
)
_LOGGER.info(
"website file hierarchy creation for %s has been requested in task %s",
fqdn,
task_result.task_id,
)
task_result = TaskResult.objects.create_task_result(
"create_web_vhost_config",
create_web_vhost_config.s(
instance.osuser.username, fqdn, instance.wildcard
),
)
_LOGGER.info(
"virtual host configuration for %s has been requested in task %s",
fqdn,
task_result.task_id,
)
task_result = TaskResult.objects.create_task_result(
"enable_web_vhost", enable_web_vhost.s(fqdn)
)
_LOGGER.info(
"virtual host enabling has been requested in task %s", task_result.task_id
)
_LOGGER.debug(
"website %s has been %s", instance, created and "created" or "updated"
)
@receiver(post_delete, sender=Website)
def handle_website_deleted(sender, instance, **kwargs):
"""
Handles cleanup actions to be done after deletion of a :py:class:`Website <websites.models.Website>` instance.
:param sender: sender of the signal
:param instance: Mailbox instance
This signal handler starts multiple Celery_ tasks.
"""
fqdn = instance.get_fqdn()
os_user = instance.osuser
task_result = TaskResult.objects.create_task_result(
"disable_web_vhost", disable_web_vhost.s(fqdn)
)
_LOGGER.info(
"virtual host disabling for %s has been requested in task %s",
fqdn,
task_result.task_id,
)
task_result = TaskResult.objects.create_task_result(
"delete_web_vhost_config", delete_web_vhost_config.s(fqdn)
)
_LOGGER.info(
"virtual host configuration deletion for %s has been requested in task %s",
fqdn,
task_result.task_id,
)
task_result = TaskResult.objects.create_task_result(
"delete_file_website_hierarchy",
delete_file_website_hierarchy.s(os_user.username, fqdn),
)
_LOGGER.info(
"website file hierarchy deletion for %s has been requested in task %s",
fqdn,
task_result.task_id,
)
if not Website.objects.filter(osuser=os_user):
task_result = TaskResult.objects.create_task_result(
"delete_web_php_fpm_pool_config",
delete_web_php_fpm_pool_config.s(os_user.username),
)
_LOGGER.info(
"PHP FPM configuration deletion for OS user %s has been requested in task %s",
os_user.username,
task_result.task_id,
)