diff options
| -rw-r--r-- | docker/flask_app/Dockerfile | 25 | ||||
| -rw-r--r-- | docker/flask_app/README | 45 | ||||
| -rw-r--r-- | docker/flask_app/flask_app.py | 16 | ||||
| -rw-r--r-- | docker/flask_app/requirements.txt | 1 | ||||
| -rw-r--r-- | docs/release/release-notes/notes/collectd-6-testing-flask-app-2bb0ca1326775dd8.yaml | 3 |
5 files changed, 90 insertions, 0 deletions
diff --git a/docker/flask_app/Dockerfile b/docker/flask_app/Dockerfile new file mode 100644 index 00000000..67e6d589 --- /dev/null +++ b/docker/flask_app/Dockerfile @@ -0,0 +1,25 @@ +# Copyright 2021 Anuket and others. All rights reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +FROM python:3-alpine + +EXPOSE 5000 + +WORKDIR /app +COPY ./ /app + +RUN python -m pip install -r requirements.txt + +ENTRYPOINT ["python", "flask_app.py"] diff --git a/docker/flask_app/README b/docker/flask_app/README new file mode 100644 index 00000000..03f8f3ff --- /dev/null +++ b/docker/flask_app/README @@ -0,0 +1,45 @@ +To build this run: + sudo docker build -t my-flask-app . + +To run the app and see collectd metrics: + + sudo docker run -d --net=host my-flask-app + OR + sudo docker run -d -p 5000:5000 my-flask-app + +and configure collectd to use the write_http plugin: + + LoadPlugin write_http + + <Plugin "write_http"> + <Node "example"> + URL "http://127.0.0.1:5000" + Format Command + # Format JSON + </Node> + </Plugin> + +Format Command is used to make the output more readable for humans. +You can also use JSON. + +Later the server will do something more useful. +To view the metrics that are being sent by collectd, run:: + + sudo docker inspect <container_id> + #OR + sudo docker logs <container_id> + +Metrics from collectd-5.x will use PUTVAL +Metrics from collectd-6.x will use PUTMETRIC + +Sample output:: + + 127.0.0.1 - - [21/Apr/2021 19:31:49] "POST / HTTP/1.1" 200 - + PUTVAL fbae30cc-2f20-11b2-a85c-819293100691/turbostat-cpu00/gauge-TSC interval=10.000 1619029909.268:2112.02271161789 + PUTVAL fbae30cc-2f20-11b2-a85c-819293100691/turbostat-cpu00/frequency-busy interval=10.000 1619029909.268:1613.51555288381 + PUTVAL fbae30cc-2f20-11b2-a85c-819293100691/turbostat-cpu00/percent-c1 interval=10.000 1619029909.268:86.2353665532377 + PUTVAL fbae30cc-2f20-11b2-a85c-819293100691/turbostat-cpu00/frequency-average interval=10.000 1619029909.268:222.094501460956 + PUTVAL fbae30cc-2f20-11b2-a85c-819293100691/turbostat-pkg00/temperature interval=10.000 1619029909.268:53 + PUTVAL fbae30cc-2f20-11b2-a85c-819293100691/turbostat-pkg00/temperature-tcc_activation interval=10.000 1619029909.268:100 + PUTVAL fbae30cc-2f20-11b2-a85c-819293100691/turbostat-cpu04/frequency-average interval=10.000 1619029909.268:206.978572579757 + diff --git a/docker/flask_app/flask_app.py b/docker/flask_app/flask_app.py new file mode 100644 index 00000000..771a91bc --- /dev/null +++ b/docker/flask_app/flask_app.py @@ -0,0 +1,16 @@ +from flask import Flask, request +import json + +app = Flask(__name__) + +@app.route('/', methods=['GET', 'POST']) +def get_data(): + #print(request.data) + #print(type(request.data)) + print(request.data.decode('utf-8')) + #print(json.loads(request.data.decode("utf-8"))) + + return 'This is working!' + +if __name__=='__main__': + app.run(debug=True, host='0.0.0.0') diff --git a/docker/flask_app/requirements.txt b/docker/flask_app/requirements.txt new file mode 100644 index 00000000..e3e9a71d --- /dev/null +++ b/docker/flask_app/requirements.txt @@ -0,0 +1 @@ +Flask diff --git a/docs/release/release-notes/notes/collectd-6-testing-flask-app-2bb0ca1326775dd8.yaml b/docs/release/release-notes/notes/collectd-6-testing-flask-app-2bb0ca1326775dd8.yaml new file mode 100644 index 00000000..9c605876 --- /dev/null +++ b/docs/release/release-notes/notes/collectd-6-testing-flask-app-2bb0ca1326775dd8.yaml @@ -0,0 +1,3 @@ +containers: + - | + Add a flask app for testing collectd using metrics sent via write_http plugin. |