def purge_static_cache(containers: list[str] = None):
if (settings.AZURE_STATIC_CDN_ENDPOINT_NAME is None
or len(settings.AZURE_STATIC_CDN_ENDPOINT_NAME) == 0):
logger.warning("Azure settings not configured")
return
if containers is None:
containers = STATIC_CONTAINERS
credentials = ClientSecretCredential(
tenant_id=settings.AZURE_TENANT_ID,
client_id=settings.AZURE_CLIENT_ID,
client_secret=settings.AZURE_CLIENT_SECRET,
)
client = CdnManagementClient(credentials, settings.AZURE_SUBSCRIPTION_ID)
paths_group: list[str] = []
for group in containers:
paths_group.append(f"/{settings.AZURE_CONTAINER_PREFIX}{group}/*")
logger.info(
"Purging paths: %s %s %s %s",
settings.AZURE_STATIC_CDN_RESOURCE_GROUP,
settings.AZURE_STATIC_CDN_PROFILE_NAME,
settings.AZURE_STATIC_CDN_ENDPOINT_NAME,
paths_group,
)
poller = client.endpoints.begin_purge_content(
settings.AZURE_STATIC_CDN_RESOURCE_GROUP,
settings.AZURE_STATIC_CDN_PROFILE_NAME,
settings.AZURE_STATIC_CDN_ENDPOINT_NAME,
PurgeParameters(content_paths=paths_group),
)
poller.result()
def purge_endpoint_content(client,
resource_group_name,
profile_name,
endpoint_name,
content_paths,
no_wait=None):
purge_paramters = PurgeParameters(content_paths=content_paths)
return sdk_no_wait(no_wait, client.endpoints.begin_purge_content,
resource_group_name, profile_name, endpoint_name,
purge_paramters)
def refresh_cache(self, path: Path) -> None:
path_str = str(Path("/", path))
self._log_info("Refreshing CDN cache.", path=path_str)
poller: LROPoller = self.__cdn.endpoints.begin_purge_content(
resource_group_name=self.__resource_group_name,
profile_name=self.__profile_name,
endpoint_name=self.__endpoint_name,
content_file_paths=PurgeParameters(content_paths=[path_str]),
)
poller.wait()
status = poller.status()
if not status == "Succeeded":
raise Exception(
"Failed to refresh CDN cache. status: {}".format(status))
self._log_info("Successfully refreshed CDN cache.", path=path_str)
def purge_cache(all_paths=False):
# run after Azure has had a change to purge
_reschedule(
timezone.now() + timedelta(minutes=5),
PURGE_DJ_CACHE,
"Purge Django Cached Views",
)
if all_paths:
paths = PURGE_GROUPS["__all__"]
else:
if not settings.AZURE_CDN_DYNAMIC_PURGE:
logger.info("Dynamic purging disabled")
return
with cache.lock(PURGE_CACHE_LOCK, expire=10, auto_renewal=False):
paths = cache.get(PURGE_CACHE_PATHS)
if paths is not None:
cache.delete(PURGE_CACHE_PATHS)
if paths is None or len(paths) == 0:
logger.warning("No paths to purge")
return
paths = list(paths)
if (settings.AZURE_CDN_ENDPOINT_NAME is None
or len(settings.AZURE_CDN_ENDPOINT_NAME) == 0):
logger.warning("Azure settings not configured")
return
try:
credentials = ClientSecretCredential(
tenant_id=settings.AZURE_TENANT_ID,
client_id=settings.AZURE_CLIENT_ID,
client_secret=settings.AZURE_CLIENT_SECRET,
)
client = CdnManagementClient(credentials,
settings.AZURE_SUBSCRIPTION_ID)
for paths_group in _path_chunks(paths, MAX_SINGLE_PURGE):
logger.info(
"Purging paths: %s %s %s %s",
settings.AZURE_CDN_RESOURCE_GROUP,
settings.AZURE_CDN_PROFILE_NAME,
settings.AZURE_CDN_ENDPOINT_NAME,
paths_group,
)
poller = client.endpoints.begin_purge_content(
settings.AZURE_CDN_RESOURCE_GROUP,
settings.AZURE_CDN_PROFILE_NAME,
settings.AZURE_CDN_ENDPOINT_NAME,
PurgeParameters(content_paths=paths_group),
)
poller.result()
except (Exception, socket.gaierror) as ex: # pylint: disable=broad-except
logger.info("Rescheduling paths: %s", paths)
queue_purge_paths(paths)
if "No address associated with hostname" not in str(ex):
raise