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Reduce API response times by caching migration flag

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AlanCoding
2019-11-04 22:28:49 -05:00
parent 04c535e3f9
commit 5433af6716
3 changed files with 24 additions and 5 deletions
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14
awx/main/middleware.py
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@@ -18,6 +18,7 @@ from django.db import IntegrityError, connection
from django.utils.functional import curry
from django.shortcuts import get_object_or_404, redirect
from django.apps import apps
from django.core.cache import cache
from django.utils.deprecation import MiddlewareMixin
from django.utils.translation import ugettext_lazy as _
from django.urls import reverse, resolve
@@ -213,8 +214,11 @@ class URLModificationMiddleware(MiddlewareMixin):
class MigrationRanCheckMiddleware(MiddlewareMixin):
def process_request(self, request):
executor = MigrationExecutor(connection)
plan = executor.migration_plan(executor.loader.graph.leaf_nodes())
if bool(plan) and \
getattr(resolve(request.path), 'url_name', '') != 'migrations_notran':
return redirect(reverse("ui:migrations_notran"))
if cache.get('migration_in_progress', False):
executor = MigrationExecutor(connection)
plan = executor.migration_plan(executor.loader.graph.leaf_nodes())
if not bool(plan):
logger.info('Detected that migration finished, migration page taken down.')
cache.delete('migration_in_progress')
elif getattr(resolve(request.path), 'url_name', '') != 'migrations_notran':
return redirect(reverse("ui:migrations_notran"))