py37

Build builder of python version 3.7

Build py37 stack

bazel run //builders/py37/stack:build

This command creates two images:

openfunctiondev/buildpacks-py37-run:v1
openfunctiondev/buildpacks-py37-build:v1

Build py37 builder

bazel build //builders/py37:builder.image

This command creates one image:

of/py37

Tag and push:

docker tag of/py37 <your container registry>/py37:v1
docker push <your container registry>/py37:v1

Test

bazel test //builders/py37/acceptance/...

Output example:

INFO: Analyzed 2 targets (1 packages loaded, 5 targets configured).
INFO: Found 1 target and 1 test target...
INFO: Elapsed time: 31.606s, Critical Path: 31.33s
INFO: 2 processes: 1 internal, 1 local.
INFO: Build completed successfully, 2 total actions
//builders/py37/acceptance:python_fn_test                            PASSED in 31.3s

Executed 1 out of 1 test: 1 test passes.
INFO: Build completed successfully, 2 total actions

Run Locally

Download gcp samples:

git clone https://github.com/GoogleCloudPlatform/buildpack-samples.git

Build the function:

Add --network host to pack and docker command if they cannot reach internet.

cd buildpack-samples/sample-functions-framework-python/
pack build function-python --builder of/py37 --env FUNC_NAME="hello"
docker run --rm -p8080:8080 function-python

Visit the function:

curl http://localhost:8080

Output example:

hello, world

Run on OpenFunction

1. Install OpenFunction
2. Run a function

Definition of a Function for python 3.7 is shown below:

apiVersion: core.openfunction.io/v1alpha1
kind: Function
metadata:
  name: python-sample
spec:
  version: "v1.0.0"
  image: "<your registry name>/sample-python37-func:latest"
  # port: 8080 # default to 8080
  build:
    builder: "openfunctiondev/py37-builder:v1"
    params:
      FUNC_NAME: "hello"
      FUNC_TYPE: "http"
      # FUNC_SRC: "main.py" # for python function
    srcRepo:
      url: "https://github.com/GoogleCloudPlatform/buildpack-samples.git"
      sourceSubPath: "sample-functions-framework-python"
    registry:
      url: "https://index.docker.io/v1/"
      account:
        name: "basic-user-pass"
        key: "username"
    # serving:
    # runtime: "Knative" # default to Knative