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Commit 3e019f3

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jqlltswast
jqll
authored and
tswast
committed
Add Profiler code samples for App Engine (GoogleCloudPlatform#2028)
* Add Profiler code samples for App Engine * Fix comments
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‎profiler/appengine/flexible/app.yaml

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runtime: python
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env: flex
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entrypoint: gunicorn -b :$PORT main:app
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# App Engine flexible Python 3 runtime uses Python 3.7.x, which supports both
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# CPU and Wall profiling.
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runtime_config:
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python_version: 3
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# This sample incurs costs to run on the App Engine flexible environment.
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# The settings below are to reduce costs during testing and are not appropriate
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# for production use. For more information, see:
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# https://cloud.google.com/appengine/docs/flexible/python/configuring-your-app-with-app-yaml
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manual_scaling:
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instances: 1
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resources:
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cpu: 1
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memory_gb: 0.5
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disk_size_gb: 10

‎profiler/appengine/flexible/main.py

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# Copyright 2019 Google Inc. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""An example of using https://cloud.google.com/profiler on GAE flex."""
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from flask import Flask
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# [START profiler_python_appengine_flex]
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import googlecloudprofiler
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# Profiler initialization. It starts a daemon thread which continuously
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# collects and uploads profiles. Best done as early as possible.
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try:
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# service and service_version can be automatically inferred when
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# running on App Engine. project_id must be set if not running
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# on GCP.
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googlecloudprofiler.start(verbose=3)
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except (ValueError, NotImplementedError) as exc:
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print(exc) # Handle errors here
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# [END profiler_python_appengine_flex]
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app = Flask(__name__)
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@app.route('/')
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def hello():
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"""Return a friendly HTTP greeting."""
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return 'Hello World!'
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if __name__ == '__main__':
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# This is used when running locally. Gunicorn is used to run the
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# application on Google App Engine. See entrypoint in app.yaml.
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app.run(host='127.0.0.1', port=8080, debug=True)

‎profiler/appengine/flexible/main_test.py

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# Copyright 2019 Google Inc. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import main
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def test_index():
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main.app.testing = True
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client = main.app.test_client()
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r = client.get('/')
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assert r.status_code == 200
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assert 'Hello World' in r.data.decode('utf-8')

‎profiler/appengine/flexible/requirements.txt

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Flask==1.0.2
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gunicorn==19.9.0
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google-cloud-profiler

‎profiler/appengine/standard_python37/app.yaml

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runtime: python37

‎profiler/appengine/standard_python37/main.py

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# Copyright 2019 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""An example of using https://cloud.google.com/profiler on GAE standard."""
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from flask import Flask
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# [START profiler_python_appengine_standard_python37]
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import googlecloudprofiler
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# Profiler initialization. It starts a daemon thread which continuously
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# collects and uploads profiles. Best done as early as possible.
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try:
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# service and service_version can be automatically inferred when
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# running on App Engine. project_id must be set if not running
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# on GCP.
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googlecloudprofiler.start(verbose=3)
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except (ValueError, NotImplementedError) as exc:
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print(exc) # Handle errors here
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# [END profiler_python_appengine_standard_python37]
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# If `entrypoint` is not defined in app.yaml, App Engine will look for an app
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# called `app` in `main.py`.
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app = Flask(__name__)
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@app.route('/')
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def hello():
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"""Return a friendly HTTP greeting."""
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return 'Hello World!'
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if __name__ == '__main__':
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# This is used when running locally only. When deploying to Google App
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# Engine, a webserver process such as Gunicorn will serve the app. This
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# can be configured by adding an `entrypoint` to app.yaml.
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app.run(host='127.0.0.1', port=8080, debug=True)

‎profiler/appengine/standard_python37/main_test.py

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# Copyright 2019 Google Inc. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import main
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def test_index():
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main.app.testing = True
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client = main.app.test_client()
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r = client.get('/')
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assert r.status_code == 200
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assert 'Hello World' in r.data.decode('utf-8')

‎profiler/appengine/standard_python37/requirements.txt

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Flask==1.0.2
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google-cloud-profiler

‎profiler/quickstart/main.py

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# project_id='my-project-id',
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)
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except (ValueError, NotImplementedError) as exc:
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print(exc) # Handles errors here
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print(exc) # Handle errors here
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# [END profiler_python_quickstart]
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busyloop()
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