Minor changes and fixes

.travis.yml

@@ -28,22 +28,21 @@ script:
 
 jobs:
   include:
-  - stage: integration
+  - &integration-stage
+    stage: integration
     sudo: true
     script:
-      - sh examples/gunicorn/run_tests.sh
-  - stage: integration
-    sudo: true
-    script:
-      - sh examples/uwsgi/run_tests.sh
-  - stage: integration
-    sudo: true
-    script:
-      - sh examples/wsgi/run_tests.sh
-  - stage: integration
-    sudo: true
-    script:
-      - sh examples/reload/run_tests.sh
+      - sh examples/${TEST_NAME}/run_tests.sh
+    env: TEST_NAME=gunicorn
+
+  - <<: *integration-stage
+    env: TEST_NAME=uwsgi
+
+  - <<: *integration-stage
+    env: TEST_NAME=wsgi
+
+  - <<: *integration-stage
+    env: TEST_NAME=reload
 
   - stage: deploy
     script: skip

README.md

@@ -160,11 +160,12 @@ app with `debug=True`, are not going to be reflected in the metrics.
 See [https://github.com/rycus86/prometheus_flask_exporter/issues/4](https://github.com/rycus86/prometheus_flask_exporter/issues/4)
 for more details.
 
-Alternatively - since version 0.5.1 -, if you set the `DEBUG_METRICS`
+Alternatively - since version `0.5.1` - if you set the `DEBUG_METRICS`
 environment variable, you will get metrics for the latest reloaded code.
-These will be exported on the main Flask app, serving the metrics on
-a different port is not going to work most probably - e.g.
-`PrometheusMetrics.start_http_server(..)` is not expected to work.
+These will be exported on the main Flask app.
+Serving the metrics on a different port is not going to work
+most probably - e.g. `PrometheusMetrics.start_http_server(..)` is not
+expected to work.
 
 ## WSGI
 

examples/wsgi/app.py

@@ -17,5 +17,12 @@ def test():
     return 'OK'
 
 
+@app.route('/ping')
+@metrics.do_not_track()
+def ping():
+    return 'pong'
+
+
+
 if __name__ == '__main__':
     app.run()

examples/wsgi/run_tests.sh

@@ -10,6 +10,16 @@ _fail() {
 docker build -f Dockerfile -t wsgi-sample ../../. > /dev/null || _fail
 docker run -d --name wsgi-sample -p 8889:80 wsgi-sample > /dev/null || _fail
 
+echo 'Waiting for the server to start...'
+
+for _ in $(seq 1 10); do
+    if curl -fs http://localhost:8889/ping > /dev/null; then
+        break
+    else
+        sleep 0.2
+    fi
+done
+
 echo 'Starting the tests...'
 
 for _ in $(seq 1 10); do