1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
from flask import Flask, request
from flask_restx import Resource, Api
from prometheus_flask_exporter import PrometheusMetrics
metrics = PrometheusMetrics.for_app_factory()
def create_app():
app = Flask(__name__)
metrics.init_app(app)
with app.app_context():
setup_api(app)
metrics.register_default(
metrics.counter(
'by_path_counter', 'Request count by request paths',
labels={'path': lambda: request.path}
)
)
metrics.register_default(
metrics.counter(
'outside_context',
'Example default registration outside the app context',
labels={'endpoint': lambda: request.endpoint}
),
app=app
)
return app
def setup_api(app):
api = Api()
api.init_app(app)
@api.route('/test')
class ExampleEndpoint(Resource):
def get(self):
return {'hello': 'world'}
if __name__ == '__main__':
app = create_app()
app.run('0.0.0.0', 4000)
|
