feat(build): Remove TravisCI and replace with GitHub Actions (spinnak…

…er#1096)

.github/workflows/build.yml

@@ -0,0 +1,22 @@
+name: Branch Build
+
+on:
+  push:
+    branches:
+    - master
+    - version-*
+
+jobs:
+  branch-build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-java@v1
+        with:
+          java-version: 8
+      - name: Build
+        env:
+          BINTRAY_USER: ${{ secrets.BINTRAY_USER }}
+          BINTRAY_API_KEY: ${{ secrets.BINTRAY_API_KEY }}
+          GRADLE_OPTS: -Xmx6g -Xms6g -Dorg.gradle.daemon=false
+        run: ./gradlew -PenablePublishing=true -PbintrayUser="${BINTRAY_USER}" -PbintrayKey="${BINTRAY_API_KEY}" build snapshot --stacktrace

.github/workflows/pr.yml

@@ -1,16 +1,10 @@
-name: Gate CI
+name: PR Build
 
-on:
-  pull_request:
-  push:
-    branches:
-    - master
-    - release-*
+on: [ pull_request ]
 
 jobs:
   build:
     runs-on: ubuntu-latest
-
     steps:
     - uses: actions/checkout@v2
     - uses: actions/setup-java@v1

.github/workflows/release.yml

@@ -0,0 +1,54 @@
+name: Release
+
+on:
+  push:
+    tags:
+    - "v[0-9]+.[0-9]+.[0-9]+"
+    - "v[0-9]+.[0-9]+.[0-9]+-rc.[0-9]+"
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - run: git fetch --prune --unshallow
+      - uses: actions/setup-java@v1
+        with:
+          java-version: 8
+      - name: Assemble release info
+        id: release_info
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          . .github/workflows/release_info.sh ${{ github.event.repository.name }}
+          echo ::set-output name=CHANGELOG::$(echo -e "${CHANGELOG}")
+          echo ::set-output name=SKIP_RELEASE::${SKIP_RELEASE}
+          echo ::set-output name=IS_CANDIDATE::${IS_CANDIDATE}
+      - name: Candidate build
+        if: steps.release_info.outputs.IS_CANDIDATE == 'true'
+        env:
+          BINTRAY_USER: ${{ secrets.BINTRAY_USER }}
+          BINTRAY_API_KEY: ${{ secrets.BINTRAY_API_KEY }}
+          GRADLE_OPTS: -Xmx6g -Xms6g -Dorg.gradle.daemon=false
+        run: |
+          ./gradlew -PenablePublishing=true --info -Prelease.disableGitChecks=true -Prelease.useLastTag=true -PbintrayUser="${BINTRAY_USER}" -PbintrayKey="${BINTRAY_API_KEY}" candidate
+      - name: Release build
+        if: steps.release_info.outputs.IS_CANDIDATE == 'false'
+        env:
+          BINTRAY_USER: ${{ secrets.BINTRAY_USER }}
+          BINTRAY_API_KEY: ${{ secrets.BINTRAY_API_KEY }}
+          GRADLE_OPTS: -Xmx6g -Xms6g -Dorg.gradle.daemon=false
+        run: |
+          ./gradlew -PenablePublishing=true --info -Prelease.disableGitChecks=true -Prelease.useLastTag=true -PbintrayUser="${BINTRAY_USER}" -PbintrayKey="${BINTRAY_API_KEY}" final
+      - name: Create release
+        if: steps.release_info.outputs.SKIP_RELEASE == 'false'
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: ${{ github.event.repository.name }} ${{ github.ref }}
+          body: |
+            ${{ steps.release_info.outputs.CHANGELOG }}
+          draft: false
+          prerelease: ${{ steps.release_info.outputs.IS_CANDIDATE }}

.github/workflows/release_info.sh

@@ -0,0 +1,31 @@
+#!/bin/bash -x
+
+# Only look to the latest release to determine the previous tag -- this allows us to skip unsupported tag formats (like `version-1.0.0`)
+export PREVIOUS_TAG=`curl --silent "https://api.github.com/repos/spinnaker/$1/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/'`
+echo "PREVIOUS_TAG=$PREVIOUS_TAG"
+export NEW_TAG=${GITHUB_REF/refs\/tags\//}
+echo "NEW_TAG=$NEW_TAG"
+export CHANGELOG=`git log $NEW_TAG...$PREVIOUS_TAG --oneline`
+echo "CHANGELOG=$CHANGELOG"
+
+#Format the changelog so it's markdown compatible
+CHANGELOG="${CHANGELOG//$'%'/%25}"
+CHANGELOG="${CHANGELOG//$'\n'/%0A}"
+CHANGELOG="${CHANGELOG//$'\r'/%0D}"
+
+# If the previous release tag is the same as this tag the user likely cut a release (and in the process created a tag), which means we can skip the need to create a release
+export SKIP_RELEASE=`[[ "$PREVIOUS_TAG" = "$NEW_TAG" ]] && echo "true" || echo "false"`
+
+# https://github.com/fsaintjacques/semver-tool/blob/master/src/semver#L5-L14
+NAT='0|[1-9][0-9]*'
+ALPHANUM='[0-9]*[A-Za-z-][0-9A-Za-z-]*'
+IDENT="$NAT|$ALPHANUM"
+FIELD='[0-9A-Za-z-]+'
+SEMVER_REGEX="\
+^[vV]?\
+($NAT)\\.($NAT)\\.($NAT)\
+(\\-(${IDENT})(\\.(${IDENT}))*)?\
+(\\+${FIELD}(\\.${FIELD})*)?$"
+
+# Used in downstream steps to determine if the release should be marked as a "prerelease" and if the build should build candidate release artifacts
+export IS_CANDIDATE=`[[ $NEW_TAG =~ $SEMVER_REGEX && ! -z ${BASH_REMATCH[4]} ]] && echo "true" || echo "false"`

.mergify.yml

@@ -1,7 +1,7 @@
 pull_request_rules:
   - name: Automatically merge on CI success and review
     conditions:
-      - status-success=continuous-integration/travis-ci/pr
+      - status-success=build
       - "label=ready to merge"
       - "approved-reviews-by=@oss-approvers"
     actions:
@@ -12,7 +12,7 @@ pull_request_rules:
         add: ["auto merged"]
   - name: Automatically merge PRs from maintainers on CI success and review
     conditions:
-    - status-success=continuous-integration/travis-ci/pr
+    - status-success=build
     - "label=ready to merge"
     - "author=@oss-approvers"
     actions:
@@ -23,7 +23,7 @@ pull_request_rules:
         add: ["auto merged"]
   - name: Automatically merge kork autobump PRs on CI success
     conditions:
-      - status-success=continuous-integration/travis-ci/pr
+      - status-success=build
       - "label~=autobump-*"
       - "author:spinnakerbot"
     actions: