ci: github action for automated releasing

.github/workflows/maven-release.yml

@@ -0,0 +1,248 @@
+name: Maven Releasing
+
+on:
+
+  release:
+    types: [published]
+
+jobs:
+  release:
+    permissions:
+      contents: write # may want to update version
+    runs-on: ubuntu-latest
+    env:
+      SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
+      SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
+      MAVEN_SETTINGS_EXPERIM: ${{ vars.MAVEN_SETTINGS_FILE }}
+      GPG_PASSPHRASE_PRELIM: ${{ secrets.GPG_PASSPHRASE }}
+      RELEASE_TAG_NAME: ${{ github.event.release.tag_name }}
+      IS_PRERELEASE: ${{ github.event.release.prerelease }}
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      GITHUB_REPO: ${{ github.repository }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+      - name: Setup JDK 21
+        uses: actions/setup-java@v5
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+          cache: maven
+          gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
+      - name: Add dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get -y install libxml2-utils
+      - name: Verify Env
+        run: |
+          if [[ -z "${{ secrets.GPG_PRIVATE_KEY }}" ]]
+          then
+            echo "ERROR GPG_PRIVATE_KEY is missing."
+            exit 1
+          fi
+          # ensure scm properties match current project - don't want to modify other repository inadvertently
+          POM_SITE_URL=$(xmllint --xpath "//*[local-name()='distributionManagement']/*[local-name()='site']/*[local-name()='url']/text()" ./pom.xml)
+          POM_SCM_CONNECTION=$(xmllint --xpath "//*[local-name()='scm']/*[local-name()='connection']/text()" ./pom.xml)
+          POM_SCM_DEVELOPER_CONNECTION=$(xmllint --xpath "//*[local-name()='scm']/*[local-name()='developerConnection']/text()" ./pom.xml)
+
+          if [[ ! "${POM_SITE_URL}" != "scm:git:https://github.com/${GITHUB_REPOSITORY}" ]]
+          then
+            echo "POM_SITE_URL ${POM_SITE_URL} does not match GITHUB_REPOSITORY ${GITHUB_REPOSITORY}"
+            exit 1
+          else
+            echo "POM_SITE_URL OK ✓."
+          fi
+
+          if [[ ! "${POM_SCM_CONNECTION}" =~ .*${GITHUB_REPOSITORY}\.git$ ]]
+          then
+            echo "POM_SCM_CONNECTION ${POM_SCM_CONNECTION} does not match GITHUB_REPOSITORY ${GITHUB_REPOSITORY}"
+            exit 1
+          else
+            echo "POM_SCM_CONNECTION OK ✓."
+          fi
+
+          if [[ ! "${POM_SCM_DEVELOPER_CONNECTION}" =~ .*${GITHUB_REPOSITORY}\.git$ ]]
+          then
+            echo "POM_SCM_DEVELOPER_CONNECTION ${POM_SCM_DEVELOPER_CONNECTION} does not match GITHUB_REPOSITORY ${GITHUB_REPOSITORY}"
+            exit 1
+          else
+            echo "POM_SCM_DEVELOPER_CONNECTION OK ✓."
+          fi
+
+          if [[ -n "$SONATYPE_USERNAME" ]]
+          then
+            echo "have SONATYPE_USERNAME"
+          else
+            echo "Release requires SONATYPE_USERNAME, which was not found. exiting"
+            exit 1
+          fi
+
+          if [[ -n "$SONATYPE_PASSWORD" ]]
+          then
+            echo "have SONATYPE_PASSWORD"
+          else
+            echo "Release requires SONATYPE_PASSWORD, which was not found. exiting"
+            exit 1
+          fi
+
+          if [[ -n "$GPG_PASSPHRASE_PRELIM" ]]
+          then
+            echo "have GPG_PASSPHRASE_PRELIM"
+          else
+            echo "Release requires GPG_PASSPHRASE, which was not found. exiting"
+            exit 1
+          fi
+
+          if [[ "$GPG_PASSPHRASE_PRELIM" == "EMPTY" ]]
+          then
+            echo "GPG_PASSPHRASE empty requested"
+            export GPG_PASSPHRASE=""
+          else
+            export GPG_PASSPHRASE="$GPG_PASSPHRASE_PRELIM"
+          fi
+
+          echo "GPG_PASSPHRASE=${GPG_PASSPHRASE}" >> "$GITHUB_ENV"
+
+          # Verify GPG2 environment
+          if ! command -v gpg2 &> /dev/null
+          then
+            echo "Failed to locate gpg2 on this host.  GPG2 is required to continue."
+            exit 1
+          fi
+
+          gpg2 --version
+          GPG_EXECUTABLE=$(command -v gpg2)
+          export GPG_EXECUTABLE
+          echo "GPG_EXECUTABLE=${GPG_EXECUTABLE}" >> "$GITHUB_ENV"
+
+          # Verify tag and next version
+          if ! echo "${RELEASE_TAG_NAME}" | grep -Ei '^v[0-9]+\.[0-9]+\.[0-9]+(-(rc|beta)[0-9]*)?$'
+          then
+            echo "RELEASE_TAG_NAME ${RELEASE_TAG_NAME} does not match expected pattern, e.g. (v1.9.0).  Exiting."
+            exit 1
+          fi
+          VERSION_CLEAN="${RELEASE_TAG_NAME:1}"
+          # shellcheck disable=SC2206
+          PARTS=(${VERSION_CLEAN//./ })
+          # TODO Check if PARTS[2] starts with 0 or [1-9] if not 0 then this is hot release and should not trigger publishing
+          if ! echo "${PARTS[2]}" | grep -q "^0.*"
+          then
+            echo "Detected hot fix release ${RELEASE_TAG_NAME}"
+            echo "IS_HOT_FIX=true" >> "${GITHUB_ENV}"
+          fi
+          NEW_MINOR=$((PARTS[1]+1))
+          NEXT_RELEASE="${PARTS[0]}.${NEW_MINOR}.0"
+          echo "NEXT_RELEASE=${NEXT_RELEASE}" >> "${GITHUB_ENV}"
+          NEXT_RELEASE_BRANCH="ci/next-cycle-${NEXT_RELEASE}"
+          git config user.email "${GITHUB_ACTOR}@users.noreply.github.com"
+          git config user.name "${GITHUB_ACTOR}"
+
+          if [[ "${IS_PRERELEASE}" != "true" && "${RELEASE_TAG_NAME,,}" =~ ^v[0-9]+\.[0-9]+\.0$ ]]
+          then
+            BRANCH_CHECK=$(git ls-remote --heads origin "refs/heads/${NEXT_RELEASE_BRANCH}")
+            if [ -n "${BRANCH_CHECK}" ]
+            then
+              echo "branch ${NEXT_RELEASE_BRANCH} already exists in project.  Cannot recreate it automatically."
+              echo "If you wish to use this automatically created branch, please delete the existing branch and start the release again"
+              exit 1
+            fi
+          else
+            echo "Skipping next release cycle branch check because this is either a pre-release or a patch fix."
+          fi
+
+          echo "NEXT_RELEASE_BRANCH=${NEXT_RELEASE_BRANCH}" >> "$GITHUB_ENV"
+
+      - name: Script
+        run: |
+          . ./scripts/on-release.sh
+          echo "RC_OR_BETA=${RC_OR_BETA}" >> "$GITHUB_ENV"
+      - name: Release
+        run: |
+          if [[ "${IS_PRERELEASE}" == "true" ]]; then
+             echo "This is a pre release and will not be deployed to Maven Central."
+             exit 0
+          fi
+          if [[ "${RC_OR_BETA}" == "true" ]]
+          then
+            echo "This is an RC or BETA release and will not be deployed to Maven Central."
+            exit 0
+          fi
+          cat << EOF > release.properties
+          scm.url=scm\:git\:https\://github.com/${GITHUB_REPOSITORY}.git
+          scm.tag=${RELEASE_TAG_NAME}
+          EOF
+          cat release.properties
+          mvn release:perform \
+            -Dgoals=deploy \
+            -s ./deploy-settings.xml \
+            -Darguments="-DskipTests -DskipITs -DperformRelease=true"
+      - name: Prepare next cycle
+        run: |
+          if [[ "${IS_PRERELEASE}" == "true" ]]; then
+            echo "This is a prerelease so the next release cycle will not be prepared."
+            exit 0
+          fi
+          if [[ "${RC_OR_BETA}" == "true" ]]
+          then
+            echo "This is an RC or BETA release so next release cycle will not be prepared."
+            exit 0
+          fi
+          if [[ "${IS_HOT_FIX}" == "true" ]]
+          then
+            echo "This is a hot fix release ${RELEASE_TAG_NAME}, so next release cycle will not be prepared."
+            exit 0
+          fi
+
+          echo "Preparing next release cycle"
+
+          git config user.email "${GITHUB_ACTOR}@users.noreply.github.com"
+          git config user.name "${GITHUB_ACTOR}"
+          echo "checking out next release branch ${NEXT_RELEASE_BRANCH}"
+          git checkout -b "${NEXT_RELEASE_BRANCH}"
+          mvn versions:set-scm-tag  -DnewTag="HEAD"
+          mvn versions:set -DnextSnapshot=true -DnextSnapshotIndexToIncrement=1
+          sed -i "1s/^/## ${NEXT_RELEASE:1} [unreleased]\n\n/" CHANGELOG.md
+          sed -i -e "s/<version>${RELEASE_TAG_NAME:1}<\/version>/<version>${NEXT_RELEASE:1}-SNAPSHOT<\/version>/" examples/pom.xml
+          git add pom.xml examples/pom.xml CHANGELOG.md
+          git commit -m "ci: setting up release cycle ${NEXT_RELEASE:1}"
+          git push --set-upstream origin "${NEXT_RELEASE_BRANCH}"
+          # The following requires special permissions on the organizational and project level to work.  Switching off for now.
+          # gh pr create -B main -H ${NEXT_RELEASE_BRANCH} --title "Merge ${NEXT_RELEASE_BRANCH} into main" --body 'Created by Github action'
+          # The alternative is to create the PR by hand
+          echo "The branch ${NEXT_RELEASE_BRANCH} has been created.  You can create and merge a PR manually from it to start the next release cycle."
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Publish documentation
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          if [[ "${IS_PRERELEASE}" == "true" ]]; then
+             echo "This is a pre release, so site documentation will not be updated to Github pages."
+             exit 0
+          fi
+          if [[ "${RC_OR_BETA}" == "true" ]]
+          then
+            echo "This is an RC or BETA release, so site documentation will not be updated to Github pages."
+            exit 0
+          fi
+          if [[ "${IS_HOT_FIX}" == "true" ]]
+          then
+            echo "This is a hot fix release ${RELEASE_TAG_NAME}, so site documentation will not be updated to Github pages."
+            exit 0
+          fi
+          cat << EOF > scm-settings.xml
+          <settings>
+            <servers>
+              <server>
+                <id>github</id>
+                <username>x-access-token</username>
+                <password>${GITHUB_TOKEN}</password>
+              </server>
+            </servers>
+          </settings>
+          EOF
+          git config --global user.email "${GITHUB_TRIGGERING_ACTOR}@noreply.github.com"
+          git config --global user.name "Github Action"
+          git checkout "${RELEASE_TAG_NAME}"
+          mvn clean site site:stage -DskipTests
+          mvn -s scm-settings.xml --batch-mode scm-publish:publish-scm -Dscmpublish.serverId=github

CHANGELOG.md

@@ -1,5 +1,9 @@
 ## 1.12.0 [unreleased]
 
+### CI
+
+1. [#440](https://github.com/InfluxCommunity/influxdb3-java/pull/440): Sets up automated releasing to Maven Central
+
 ## 1.11.0 [2026-08-27]
 
 ### Breaking Changes