├── .gitignore ├── LICENSE ├── README.md ├── cloudbuild.yaml ├── requirements-dev.txt ├── scripts ├── .env.local ├── create-pubsub-topic.sh ├── deploy-http.sh ├── deploy-pubsub.sh ├── payloads │ └── test-local-pubsub-payload.json ├── run-local-http.sh ├── run-local-pubsub.sh ├── test-deployed-http.sh ├── test-deployed-pubsub.sh ├── test-local-http.sh └── test-local-pubsub.sh └── src └── main.py /.gitignore: -------------------------------------------------------------------------------- 1 | # Byte-compiled / optimized / DLL files 2 | __pycache__/ 3 | *.py[cod] 4 | *$py.class 5 | 6 | # C extensions 7 | *.so 8 | 9 | # Distribution / packaging 10 | .Python 11 | build/ 12 | develop-eggs/ 13 | dist/ 14 | downloads/ 15 | eggs/ 16 | .eggs/ 17 | lib/ 18 | lib64/ 19 | parts/ 20 | sdist/ 21 | var/ 22 | wheels/ 23 | pip-wheel-metadata/ 24 | share/python-wheels/ 25 | *.egg-info/ 26 | .installed.cfg 27 | *.egg 28 | MANIFEST 29 | 30 | # PyInstaller 31 | # Usually these files are written by a python script from a template 32 | # before PyInstaller builds the exe, so as to inject date/other infos into it. 33 | *.manifest 34 | *.spec 35 | 36 | # Installer logs 37 | pip-log.txt 38 | pip-delete-this-directory.txt 39 | 40 | # Unit test / coverage reports 41 | htmlcov/ 42 | .tox/ 43 | .nox/ 44 | .coverage 45 | .coverage.* 46 | .cache 47 | nosetests.xml 48 | coverage.xml 49 | *.cover 50 | *.py,cover 51 | .hypothesis/ 52 | .pytest_cache/ 53 | 54 | # Translations 55 | *.mo 56 | *.pot 57 | 58 | # Django stuff: 59 | *.log 60 | local_settings.py 61 | db.sqlite3 62 | db.sqlite3-journal 63 | 64 | # Flask stuff: 65 | instance/ 66 | .webassets-cache 67 | 68 | # Scrapy stuff: 69 | .scrapy 70 | 71 | # Sphinx documentation 72 | docs/_build/ 73 | 74 | # PyBuilder 75 | target/ 76 | 77 | # Jupyter Notebook 78 | .ipynb_checkpoints 79 | 80 | # IPython 81 | profile_default/ 82 | ipython_config.py 83 | 84 | # pyenv 85 | .python-version 86 | 87 | # pipenv 88 | # According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control. 89 | # However, in case of collaboration, if having platform-specific dependencies or dependencies 90 | # having no cross-platform support, pipenv may install dependencies that don't work, or not 91 | # install all needed dependencies. 92 | #Pipfile.lock 93 | 94 | # PEP 582; used by e.g. github.com/David-OConnor/pyflow 95 | __pypackages__/ 96 | 97 | # Celery stuff 98 | celerybeat-schedule 99 | celerybeat.pid 100 | 101 | # SageMath parsed files 102 | *.sage.py 103 | 104 | # Environments 105 | .env 106 | .venv 107 | env/ 108 | venv/ 109 | ENV/ 110 | env.bak/ 111 | venv.bak/ 112 | 113 | # Spyder project settings 114 | .spyderproject 115 | .spyproject 116 | 117 | # Rope project settings 118 | .ropeproject 119 | 120 | # mkdocs documentation 121 | /site 122 | 123 | # mypy 124 | .mypy_cache/ 125 | .dmypy.json 126 | dmypy.json 127 | 128 | # Pyre type checker 129 | .pyre/ 130 | 131 | 132 | .vscode 133 | .idea 134 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright [yyyy] [name of copyright owner] 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # cloud-build-cloud-functions-pipeline 2 | 3 | ## 1. Introduction 4 | 5 | This is a simple project developed with the intent to show: 6 | 7 | - how to develop and debug your application locally with [functions-framework-python](https://github.com/GoogleCloudPlatform/functions-framework-python). 8 | - how to automate the deployment of Cloud Functions with Cloud Build on Google Cloud Platform. 9 | 10 | Check the complete tutorial [here](https://medium.com/@ivam.santos/how-to-develop-debug-and-test-your-python-google-cloud-functions-on-your-local-dev-environment-d56ef94cb409). 11 | 12 | ## 2. Environment setup 13 | 14 | ### 2.1. Get the code 15 | 16 | ```bash 17 | git clone git@github.com:ivamluz/cloud-build-cloud-functions-pipeline.git 18 | cd cloud-build-cloud-functions-pipeline 19 | ``` 20 | 21 | ### 2.2. Virtualenv 22 | 23 | - Install Python 3.7+ 24 | 25 | - Create and activate an isolated Python environment 26 | 27 | ```bash 28 | virtualenv --python `which python3.7` venv 29 | source ./venv/bin/activate 30 | ``` 31 | 32 | - Install the dependencies 33 | 34 | ```bash 35 | pip install --upgrade -r requirements-dev.txt 36 | ``` 37 | 38 | ## 3. Run and test the app locally 39 | 40 | ### 3.1 Testing the pub/sub example 41 | 42 | From inside the `/scripts` folder: 43 | 44 | ```bash 45 | ./run-local-pubsub.sh 46 | ``` 47 | 48 | From a different terminal window: 49 | 50 | ```bash 51 | ./test-local-pubsub.sh "my message" 52 | ``` 53 | 54 | `test-local-pubsub.sh` does the following behind the scenes: 55 | 56 | - encodes the message passed as parameter in **base64** format; 57 | - reads the contents of `payloads/test-local-payload.json` and replaces its `data` property with the **base64** encoded message; 58 | - performs an HTTP post request to `http://localhost:8080` (the default address the application runs when you execute `./run-local-pubsub.sh` from the other terminal window), sending the modified JSON from the previous step in the payload. 59 | 60 | On the terminal window where you ran `./run-local-pubsub.sh` you should see some logs showing a message was received. 61 | 62 | ### 3.2 Testing the HTTP example 63 | 64 | From inside the `/scripts` folder: 65 | 66 | ```bash 67 | ./run-local-http.sh 68 | ``` 69 | 70 | From a different terminal window: 71 | 72 | ```bash 73 | ./test-local-http.sh 74 | ``` 75 | 76 | `test-local-http.sh` performs a `GET` HTTP request to `http://localhost:8080/?subject=FooBar` and prints the response: 77 | 78 | ```console 79 | $ ./test-local-http.sh 80 | Hello, FooBar! 81 | ``` 82 | 83 | After everything is running, please make sure to keep reading the [tutorial](https://medium.com/@ivam.santos/how-to-develop-debug-and-test-your-python-google-cloud-functions-on-your-local-dev-environment-d56ef94cb409). 84 | -------------------------------------------------------------------------------- /cloudbuild.yaml: -------------------------------------------------------------------------------- 1 | steps: 2 | - name: "gcr.io/google.com/cloudsdktool/cloud-sdk" 3 | args: ["./scripts/deploy-http.sh"] 4 | waitFor: ["-"] 5 | 6 | - name: "gcr.io/google.com/cloudsdktool/cloud-sdk" 7 | args: ["./scripts/deploy-pubsub.sh"] 8 | waitFor: ["-"] 9 | -------------------------------------------------------------------------------- /requirements-dev.txt: -------------------------------------------------------------------------------- 1 | functions-framework -------------------------------------------------------------------------------- /scripts/.env.local: -------------------------------------------------------------------------------- 1 | export FUNCTION_NAME_HTTP=sample_http 2 | export FUNCTION_PORT_HTTP=4000 3 | 4 | export FUNCTION_NAME_PUBSUB=sample_pubsub 5 | export FUNCTION_PORT_PUBSUB=5000 6 | 7 | export PUBSUB_TOPIC=builder-functions-demo-topic -------------------------------------------------------------------------------- /scripts/create-pubsub-topic.sh: -------------------------------------------------------------------------------- 1 | #! /bin/bash 2 | 3 | DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )" 4 | 5 | source "${DIR}/.env.local" 6 | 7 | gcloud pubsub topics \ 8 | create ${PUBSUB_TOPIC} -------------------------------------------------------------------------------- /scripts/deploy-http.sh: -------------------------------------------------------------------------------- 1 | #! /bin/bash 2 | 3 | DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )" 4 | SOURCE_DIR="${DIR}/../src" 5 | 6 | source "${DIR}/.env.local" 7 | 8 | gcloud functions \ 9 | deploy ${FUNCTION_NAME_HTTP} \ 10 | --source=${SOURCE_DIR} \ 11 | --runtime=python37 \ 12 | --trigger-http \ 13 | --allow-unauthenticated -------------------------------------------------------------------------------- /scripts/deploy-pubsub.sh: -------------------------------------------------------------------------------- 1 | #! /bin/bash 2 | 3 | DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )" 4 | SOURCE_DIR="${DIR}/../src" 5 | 6 | source "${DIR}/.env.local" 7 | 8 | gcloud functions \ 9 | deploy ${FUNCTION_NAME_PUBSUB} \ 10 | --source=${SOURCE_DIR} \ 11 | --runtime=python37 \ 12 | --trigger-topic=${PUBSUB_TOPIC} -------------------------------------------------------------------------------- /scripts/payloads/test-local-pubsub-payload.json: -------------------------------------------------------------------------------- 1 | { 2 | "eventType": "com.example.someevent", 3 | "resource": "FooBar", 4 | "eventId": "B234-1234-1234", 5 | "timestamp": "2020-06-20T17:31:00Z", 6 | "data": { 7 | "data": "__DATA_BASE64_PLACEHOLDER__", 8 | "attributes": { 9 | "foo": "bar", 10 | "bar": "baz" 11 | }, 12 | "messageId": "foo", 13 | "publishTime": "2020-06-20T17:35:00Z" 14 | } 15 | } 16 | -------------------------------------------------------------------------------- /scripts/run-local-http.sh: -------------------------------------------------------------------------------- 1 | #! /bin/bash 2 | 3 | DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )" 4 | SOURCE_FILE="${DIR}/../src/main.py" 5 | 6 | source "${DIR}/.env.local" 7 | 8 | functions-framework \ 9 | --source=${SOURCE_FILE} \ 10 | --target=${FUNCTION_NAME_HTTP} \ 11 | --signature-type=http \ 12 | --port=${FUNCTION_PORT_HTTP} \ 13 | --debug -------------------------------------------------------------------------------- /scripts/run-local-pubsub.sh: -------------------------------------------------------------------------------- 1 | #! /bin/bash 2 | 3 | DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )" 4 | SOURCE_FILE="${DIR}/../src/main.py" 5 | 6 | source "${DIR}/.env.local" 7 | 8 | functions-framework \ 9 | --source=${SOURCE_FILE} \ 10 | --target=${FUNCTION_NAME_PUBSUB} \ 11 | --signature-type=event \ 12 | --port=${FUNCTION_PORT_PUBSUB} \ 13 | --debug -------------------------------------------------------------------------------- /scripts/test-deployed-http.sh: -------------------------------------------------------------------------------- 1 | #! /bin/bash 2 | 3 | DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )" 4 | SOURCE_DIR="${DIR}/../src" 5 | 6 | source "${DIR}/.env.local" 7 | 8 | TRIGGER_URL=$( 9 | gcloud functions \ 10 | describe ${FUNCTION_NAME_HTTP} \ 11 | --format="value(httpsTrigger.url)" 12 | ) 13 | 14 | curl "${TRIGGER_URL}?subject=FooBar" 15 | 16 | echo -------------------------------------------------------------------------------- /scripts/test-deployed-pubsub.sh: -------------------------------------------------------------------------------- 1 | #! /bin/bash 2 | 3 | DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )" 4 | 5 | source "${DIR}/.env.local" 6 | 7 | MESSAGE=$1 8 | ATTRIBUTES=$2 9 | 10 | gcloud pubsub topics \ 11 | publish ${PUBSUB_TOPIC} \ 12 | --message "${MESSAGE}" \ 13 | --attribute "${ATTRIBUTES}" -------------------------------------------------------------------------------- /scripts/test-local-http.sh: -------------------------------------------------------------------------------- 1 | #! /bin/bash 2 | 3 | DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )" 4 | SOURCE_FILE="${DIR}/../src/main.py" 5 | 6 | source "${DIR}/.env.local" 7 | 8 | curl "http://localhost:${FUNCTION_PORT_HTTP}/?subject=FooBar" 9 | echo -------------------------------------------------------------------------------- /scripts/test-local-pubsub.sh: -------------------------------------------------------------------------------- 1 | #! /bin/bash 2 | 3 | DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )" 4 | 5 | source "${DIR}/.env.local" 6 | 7 | RAW_MESSAGE=$1 8 | MESSAGE_BASE64=$(echo -n ${RAW_MESSAGE} | base64) 9 | 10 | EVENT_PAYLOAD=$( 11 | sed -e \ 12 | "s|__DATA_BASE64_PLACEHOLDER__|${MESSAGE_BASE64}|g" \ 13 | ./payloads/test-local-pubsub-payload.json 14 | ) 15 | 16 | curl -X POST \ 17 | -H'Content-type: application/json' \ 18 | -d "${EVENT_PAYLOAD}" \ 19 | "http://localhost:${FUNCTION_PORT_PUBSUB}" 20 | 21 | echo 22 | -------------------------------------------------------------------------------- /src/main.py: -------------------------------------------------------------------------------- 1 | import base64 2 | import pprint as pp 3 | 4 | from flask import current_app, escape 5 | 6 | def sample_http(request): 7 | """HTTP Cloud Function. 8 | Args: 9 | request (flask.Request): The request object. 10 | 11 | Returns: 12 | The response text, or any set of values that can be turned into a 13 | Response object using `make_response` 14 | . 15 | """ 16 | subject = request.args.get('subject', 'World') 17 | subject = escape(subject) 18 | 19 | return f'Hello, {subject}!' 20 | 21 | 22 | def sample_pubsub(event, context): 23 | """Background Cloud Function to be triggered by Pub/Sub. 24 | Args: 25 | event (dict): The dictionary with data specific to this type of 26 | event. The `data` field contains the PubsubMessage message. The 27 | `attributes` field will contain custom attributes if there are any. 28 | context (google.cloud.functions.Context): The Cloud Functions event 29 | metadata. The `event_id` field contains the Pub/Sub message ID. The 30 | `timestamp` field contains the publish time. 31 | """ 32 | 33 | data = base64.b64decode(event['data']).decode('utf-8') 34 | 35 | current_app.logger.info( 36 | f'This Function was triggered by messageId {context.event_id} published at {context.timestamp}: \n' 37 | f'decoded_data: "{data}" \n' 38 | f'event: {pp.pformat(event, indent=2)} \n' 39 | f'context: {context}' 40 | ) 41 | --------------------------------------------------------------------------------