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change: log out details about PROMETHEUS_MULTIPROC_DIR

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Additionally, respond with a 503 if the var is not set when
/metrics is requested.

Signed-off-by: Kevin Morris <kevr@0cost.org>
This commit is contained in:
Kevin Morris 2022-02-19 11:28:16 -08:00
parent 388e64d0af
commit c83c5cdc42
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GPG key ID: F7E46DED420788F3
4 changed files with 35 additions and 5 deletions
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10
aurweb/routers/html.py
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@ -13,7 +13,7 @@ from sqlalchemy import and_, case, or_
import aurweb.config
import aurweb.models.package_request
from aurweb import cookies, db, models, time, util
from aurweb import cookies, db, logging, models, time, util
from aurweb.cache import db_count_cache
from aurweb.exceptions import handle_form_exceptions
from aurweb.models.account_type import TRUSTED_USER_AND_DEV_ID, TRUSTED_USER_ID
@ -21,6 +21,7 @@ from aurweb.models.package_request import PENDING_ID
from aurweb.packages.util import query_notified, query_voted, updated_packages
from aurweb.templates import make_context, render_template
logger = logging.get_logger(__name__)
router = APIRouter()
@ -230,9 +231,12 @@ async def archive_sha256(request: Request, archive: str):
@router.get("/metrics")
async def metrics(request: Request):
if not os.environ.get("PROMETHEUS_MULTIPROC_DIR", None):
return Response("Prometheus metrics are not enabled.",
status_code=HTTPStatus.SERVICE_UNAVAILABLE)
registry = CollectorRegistry()
if os.environ.get("PROMETHEUS_MULTIPROC_DIR", None): # pragma: no cover
multiprocess.MultiProcessCollector(registry)
multiprocess.MultiProcessCollector(registry)
data = generate_latest(registry)
headers = {
"Content-Type": CONTENT_TYPE_LATEST,