[chore] Automated publication to PyPI, GCR (#65)

This wires up automated publication when release tags are added,
to both PyPI and a release of the Docker image to gcr.io.

Author: lukesneeringer

.circleci/.pypirc.enc

@@ -0,0 +1,2 @@
+Salted__yk�^�7l#p�׾��Pn�.�6c.���;���1 c�1��d��`���ĝ_\�������R
+�j�����Q�85t�%���H	e

.circleci/config.yml

@@ -4,13 +4,47 @@ workflows:
   version: 2
   tests:
     jobs:
-      - unit-3.6
-      - unit-3.7
+      - unit-3.6:
+          filters:
+            tags:
+              only: /^\d+\.\d+\.\d+$/
+      - unit-3.7:
+          filters:
+            tags:
+              only: /^\d+\.\d+\.\d+$/
       - showcase:
           requires:
             - unit-3.6
             - unit-3.7
-      - docs
+          filters:
+            tags:
+              only: /^\d+\.\d+\.\d+$/
+      - docs:
+          filters:
+            tags:
+              only: /^\d+\.\d+\.\d+$/
+      - publish_package:
+          requires:
+            - unit-3.6
+            - unit-3.7
+            - showcase
+            - docs
+          filters:
+            branches:
+              ignore: /.*/
+            tags:
+              only: /^\d+\.\d+\.\d+$/
+      - publish_image:
+          requires:
+            - unit-3.6
+            - unit-3.7
+            - showcase
+            - docs
+          filters:
+            branches:
+              ignore: /.*/
+            tags:
+              only: /^\d+\.\d+\.\d+$/
 jobs:
   unit-3.6:
     docker:
@@ -103,3 +137,56 @@ jobs:
       - run:
           name: Build the documentation.
           command: nox -s docs
+  publish_package:
+    docker:
+      - image: python:3.7-slim
+    steps:
+      - checkout
+      - run:
+          name: Decrypt the PyPI key.
+          command: |
+            openssl aes-256-cbc -d \
+              -in .circleci/.pypirc.enc \
+              -out ~/.pypirc \
+              -k "${PYPIRC_ENCRYPTION_KEY}"
+      - run:
+          name: Publish to PyPI.
+          command: python setup.py sdist upload
+  publish_image:
+    docker:
+      - image: docker
+    steps:
+      - checkout
+      - setup_remote_docker
+      - run:
+          name: Build Docker image.
+          command: docker build . -t gcr.io/gapic-images/gapic-generator-python:latest
+      - run:
+          name: Download curl
+          command: apk add --no-cache curl
+      - run:
+          name: Download the GCR credential helper.
+          command: |
+            curl -fsSL https://github.com/GoogleCloudPlatform/docker-credential-gcr/releases/download/v1.5.0/docker-credential-gcr_linux_amd64-1.5.0.tar.gz \
+              | tar xz --to-stdout ./docker-credential-gcr \
+              > /usr/bin/docker-credential-gcr && chmod a+x /usr/bin/docker-credential-gcr
+      - run:
+          name: Set up authentication to Google Container Registry.
+          command: |
+            echo ${GCLOUD_SERVICE_KEY} > ${GOOGLE_APPLICATION_CREDENTIALS}
+            docker-credential-gcr configure-docker
+      - run:
+          name: Tag the Docker image and push it to Google Container Registry.
+          command: |
+            if [ -n "$CIRCLE_TAG" ]; then
+              export MAJOR=`echo $CIRCLE_TAG | awk -F '.' '{ print $1; }'`
+              export MINOR=`echo $CIRCLE_TAG | awk -F '.' '{ print $2; }'`
+              export PATCH=`echo $CIRCLE_TAG | awk -F '.' '{ print $3; }'`
+              docker tag gcr.io/gapic-images/gapic-generator-python:latest gcr.io/gapic-images/gapic-generator-python:$MAJOR.$MINOR.$PATCH
+              docker tag gcr.io/gapic-images/gapic-generator-python:latest gcr.io/gapic-images/gapic-generator-python:$MAJOR.$MINOR
+              docker tag gcr.io/gapic-images/gapic-generator-python:latest gcr.io/gapic-images/gapic-generator-python:$MAJOR
+              docker push gcr.io/gapic-images/gapic-generator-python:$MAJOR.$MINOR.$PATCH
+              docker push gcr.io/gapic-images/gapic-generator-python:$MAJOR.$MINOR
+              docker push gcr.io/gapic-images/gapic-generator-python:$MAJOR
+            fi
+            docker push gcr.io/gapic-images/gapic-generator-python:latest

README.rst

@@ -34,7 +34,7 @@ Disclaimer
 This is not an official Google product.
 
 
-.. |release level| image:: https://img.shields.io/badge/release%20level-pre%20alpha-red.svg?style=flat
+.. |release level| image:: https://img.shields.io/badge/release%20level-alpha-orange.svg?style=flat
   :target: https://cloud.google.com/terms/launch-stages
 .. |docs| image:: https://readthedocs.org/projects/gapic-generator-python/badge/?version=latest
   :target: https://gapic-generator-python.readthedocs.io/

setup.py

@@ -25,7 +25,7 @@
 
 setup(
     name='gapic-generator',
-    version='0.0.5',
+    version='0.1.0',
     license='Apache 2.0',
     author='Luke Sneeringer',
     author_email='lukesneeringer@google.com',
@@ -51,7 +51,7 @@
         ':python_version<"3.7"': ('dataclasses >= 0.4',),
     },
     classifiers=(
-        'Development Status :: 2 - Pre-Alpha',
+        'Development Status :: 3 - Alpha',
         'Environment :: Console',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: Apache Software License',