Skip to content

Allow metrics registry to be passed through PrometheusMiddleware #176

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 3 commits into
base: develop
Choose a base branch
from
Open

Allow metrics registry to be passed through PrometheusMiddleware #176

Changes from 2 commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
29a792a
Register prometheus metrics with multiprocess collector
nickdichev-firework Jul 14, 2023
ef64228
Fix typo
nickdichev-firework Jul 14, 2023
d83fdfe
Add ability to pass metrics registry, falling back to default REGISTRY
nickdichev-firework Jul 18, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
24 changes: 21 additions & 3 deletions taskiq/middlewares/prometheus_middleware.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -42,36 +42,50 @@ def __init__(
logger.debug("Initializing metrics")

try:
from prometheus_client import Counter, Histogram # noqa: WPS433
from prometheus_client import ( # noqa: WPS433
CollectorRegistry,
Counter,
Histogram,
multiprocess,
)
except ImportError as exc:
raise ImportError(
"Cannot initialize metrics. Please install 'taskiq[metrics]'.",
) from exc

registry = CollectorRegistry()
multiprocess.MultiProcessCollector(registry)
self.registry = registry

self.found_errors = Counter(
"found_errors",
"Number of found errors",
["task_name"],
registry=registry,
)
self.received_tasks = Counter(
"received_tasks",
"Number of received tasks",
["task_name"],
registry=registry,
)
self.success_tasks = Counter(
"success_tasks",
"Number of successfully executed tasks",
["task_name"],
registry=registry,
)
self.saved_results = Counter(
"saved_results",
"Number of saved results in result backend",
["task_name"],
registry=registry,
)
self.execution_time = Histogram(
"execution_time",
"Tome of function execution",
"Time of function execution",
["task_name"],
registry=registry,
)
self.server_port = server_port
self.server_addr = server_addr
Expand All @@ -87,7 +101,11 @@ def startup(self) -> None:

if self.broker.is_worker_process:
try:
start_http_server(port=self.server_port, addr=self.server_addr)
start_http_server(
port=self.server_port,
addr=self.server_addr,
registry=self.registry,
)
except OSError as exc:
logger.debug("Cannot start prometheus server: %s", exc)

Expand Down