adds circle ci configuration

Author: Sameer Naik

.circleci/config.yml

@@ -0,0 +1,140 @@
+version: 2.1
+
+orbs:
+  python: circleci/python@1
+  go: circleci/go@1
+  gcp-cli: circleci/gcp-cli@1
+
+jobs:
+  build:
+    executor:
+      name: python/default
+    steps:
+      - attach_workspace:
+          at: ~/
+      - checkout
+      - run: pip install mkdocs
+      - run:
+          name: Building package
+          command: make build
+      - gcp-cli/install
+      - gcp-cli/initialize
+      - run:
+          name: Building docker image
+          command: make cloudbuild-test
+      - persist_to_workspace:
+          root: ~/
+          paths:
+            - project
+
+  publish-image:
+    executor:
+      name: gcp-cli/google
+    steps:
+      - attach_workspace:
+          at: ~/
+      - gcp-cli/initialize
+      - run:
+          name: Publishing docker image
+          command: IMAGE_SHA=${CIRCLE_SHA1} IMAGE_TAG=${CIRCLE_TAG:-latest} make cloudbuild
+
+  release:
+    executor:
+      name: go/default
+      tag: '1.15'
+    steps:
+      - attach_workspace:
+          at: ~/
+      - run:
+          name: Building release package
+          command: make release
+          environment:
+            DIST_DIR: /tmp/dist
+      - run:
+          name: Installing github-release tool
+          command: go get github.com/meterup/github-release
+      - run:
+          name: Creating github release
+          command: |
+            PRE_RELEASE=${CIRCLE_TAG/${CIRCLE_TAG%-rc[0-9]*}/}
+            github-release delete -u ${CIRCLE_PROJECT_USERNAME} -r ${CIRCLE_PROJECT_REPONAME} -t ${CIRCLE_TAG} 2>/dev/null ||:
+            ./scripts/release-notes.sh ${CIRCLE_TAG} | github-release release ${PRE_RELEASE:+-p} -u ${CIRCLE_PROJECT_USERNAME} -r ${CIRCLE_PROJECT_REPONAME} -t ${CIRCLE_TAG} -d -
+            for f in $(find /tmp/dist -type f); do github-release upload -u ${CIRCLE_PROJECT_USERNAME} -r ${CIRCLE_PROJECT_REPONAME} -t ${CIRCLE_TAG} -n $(basename ${f}) -f ${f} ; done
+
+  deploy:
+    description: Patches target cluster configuration
+    executor:
+      name: go/default
+      tag: '1.15'
+    parameters:
+      cluster:
+        type: string
+      committer_name:
+        type: string
+        default: TriggerMesh Bot
+      committer_email:
+        type: string
+        default: [email protected]
+    steps:
+      - attach_workspace:
+          at: ~/
+      - add_ssh_keys
+      - run: ssh-keyscan github.com >> ~/.ssh/known_hosts
+      - run:
+          name: Configuring git
+          command: |
+            git config --global user.name '<< parameters.committer_name >>'
+            git config --global user.email '<< parameters.committer_email >>'
+      - run:
+          name: Cloning config repository
+          command: git clone --single-branch [email protected]:triggermesh/config.git tmconfig
+      - run:
+          name: Updating overlays/<< parameters.cluster >>/sources manifests
+          working_directory: tmconfig/
+          command: |
+            sed -i overlays/<< parameters.cluster >>/docs/deployment.yaml -e "s|gcr.io/triggermesh/docs:.*|gcr.io/triggermesh/docs:"${CIRCLE_TAG:-${CIRCLE_SHA1}}"|g"
+            git --no-pager diff
+      - run:
+          name: Committing overlays/<< parameters.cluster >>/docs updates
+          working_directory: tmconfig/
+          command: |
+            git add overlays
+            git commit -m "Update overlays/<< parameters.cluster >>/docs deployment to '${CIRCLE_TAG:-${CIRCLE_SHA1}}'"
+            git push origin master
+
+workflows:
+  build-test-and-publish:
+    jobs:
+      - build:
+          context: production
+          filters:
+            tags:
+              only: /^v([0-9]+)\.([0-9]+)\.([0-9]+)(?:-([0-9A-Za-z-]+(?:\.[0-9A-Za-z-]+)*))?(?:\+[0-9A-Za-z-]+)?$/
+      - publish-image:
+          context: production
+          requires:
+            - build
+          filters:
+            tags:
+              only: /^v([0-9]+)\.([0-9]+)\.([0-9]+)(?:-([0-9A-Za-z-]+(?:\.[0-9A-Za-z-]+)*))?(?:\+[0-9A-Za-z-]+)?$/
+            branches:
+              only: master
+      - deploy:
+          name: update-production-config
+          cluster: prod
+          requires:
+            - publish-image
+          filters:
+            tags:
+              only: /^v([0-9]+)\.([0-9]+)\.([0-9]+)(?:-([0-9A-Za-z-]+(?:\.[0-9A-Za-z-]+)*))?(?:\+[0-9A-Za-z-]+)?$/
+            branches:
+              ignore: /.*/
+      - release:
+          context: production
+          requires:
+            - publish-image
+          filters:
+            tags:
+              only: /^v([0-9]+)\.([0-9]+)\.([0-9]+)(?:-([0-9A-Za-z-]+(?:\.[0-9A-Za-z-]+)*))?(?:\+[0-9A-Za-z-]+)?$/
+            branches:
+              ignore: /.*/

scripts/release-notes.sh

@@ -0,0 +1,38 @@
+#!/usr/bin/env sh
+
+RELEASE=${1:-${GIT_TAG}}
+RELEASE=${RELEASE:-${CIRCLE_TAG}}
+
+if [ -z "${RELEASE}" ]; then
+  echo "Usage:"
+  echo "./scripts/release-notes.sh v0.1.0"
+  exit 1
+fi
+
+if ! git rev-list ${RELEASE} >/dev/null 2>&1; then
+  echo "${RELEASE} does not exist"
+  exit
+fi
+
+PREV_RELEASE=${PREV_RELEASE:-$(git describe --tags --abbrev=0 ${RELEASE}^ 2>/dev/null)}
+PREV_RELEASE=${PREV_RELEASE:-$(git rev-list --max-parents=0 ${RELEASE}^ 2>/dev/null)}
+NOTABLE_CHANGES=$(git cat-file -p ${RELEASE} | sed '/-----BEGIN PGP SIGNATURE-----/,//d' | tail -n +6)
+CHANGELOG=$(git log --no-merges --pretty=format:'- [%h] %s (%aN)' ${PREV_RELEASE}..${RELEASE})
+if [ $? -ne 0 ]; then
+  echo "Error creating changelog"
+  exit 1
+fi
+
+cat <<EOF
+${NOTABLE_CHANGES}
+
+## Installation
+
+Download Triggermesh Docs ${RELEASE}
+
+- [container](https://gcr.io/triggermesh/docs:${RELEASE})
+
+## Changelog
+
+${CHANGELOG}
+EOF