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add basic prometheus metrics with prometheus_flask_exporter #72

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add basic prometheus metrics with prometheus_flask_exporter #72

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5 changes: 5 additions & 0 deletions cellxgene_gateway/gateway.py
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@
url_for,
)
from werkzeug.middleware.proxy_fix import ProxyFix
from prometheus_flask_exporter import PrometheusMetrics

from cellxgene_gateway import env, flask_util
from cellxgene_gateway.backend_cache import BackendCache
Expand All @@ -34,9 +35,13 @@
from cellxgene_gateway.process_exception import ProcessException
from cellxgene_gateway.prune_process_cache import PruneProcessCache
from cellxgene_gateway.util import current_time_stamp
from cellxgene_gateway import __version__

app = Flask(__name__)

metrics = PrometheusMetrics(app)
metrics.info('app_info', 'Application info', version=__version__)

item_sources = []
default_item_source = None

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1 change: 1 addition & 0 deletions requirements.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -4,3 +4,4 @@ flask-api
werkzeug
psutil
requests
prometheus-flask-exporter