diff --git a/fence/__init__.py b/fence/__init__.py index 2d44e33f2..3ff47c172 100755 --- a/fence/__init__.py +++ b/fence/__init__.py @@ -66,16 +66,20 @@ import fence.blueprints.register import fence.blueprints.ga4gh - -# for some reason the temp dir does not get created properly if we move -# this statement to `_setup_prometheus()` -PROMETHEUS_TMP_COUNTER_DIR = tempfile.TemporaryDirectory() +# Prometheus metrics exporter +from prometheus_flask_exporter import PrometheusMetrics app = flask.Flask(__name__) CORS(app=app, headers=["content-type", "accept"], expose_headers="*") +metrics = PrometheusMetrics(app, path=None) + +# Serve metrics on port 9090 +metrics.start_http_server(9090) + + def warn_about_logger(): raise Exception( "Flask 0.12 will remove and replace all of our log handlers if you call " @@ -366,13 +370,6 @@ def app_config( _load_keys(app, root_dir) _set_authlib_cfgs(app) - app.prometheus_counters = {} - if config["ENABLE_PROMETHEUS_METRICS"]: - logger.info("Enabling Prometheus metrics...") - _setup_prometheus(app) - else: - logger.info("Prometheus metrics are NOT enabled.") - app.storage_manager = StorageManager(config["STORAGE_CREDENTIALS"], logger=logger) app.debug = config["DEBUG"] @@ -511,27 +508,6 @@ def _setup_audit_service_client(app): ) -def _setup_prometheus(app): - # This environment variable MUST be declared before importing the - # prometheus modules (or unit tests fail) - # More details on this awkwardness: https://github.com/prometheus/client_python/issues/250 - os.environ["prometheus_multiproc_dir"] = PROMETHEUS_TMP_COUNTER_DIR.name - - from prometheus_client import ( - CollectorRegistry, - multiprocess, - make_wsgi_app, - ) - - app.prometheus_registry = CollectorRegistry() - multiprocess.MultiProcessCollector(app.prometheus_registry) - - # Add prometheus wsgi middleware to route /metrics requests - app.wsgi_app = DispatcherMiddleware( - app.wsgi_app, {"/metrics": make_wsgi_app(registry=app.prometheus_registry)} - ) - - @app.errorhandler(Exception) def handle_error(error): """ diff --git a/poetry.lock b/poetry.lock index f6ee5cb51..c78ad8737 100644 --- a/poetry.lock +++ b/poetry.lock @@ -1,4 +1,4 @@ -# This file is automatically @generated by Poetry 1.7.1 and should not be changed by hand. +# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand. 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