CI: Add SonarCloud scan GHA workflow

Change-Id: I12881846390bc84ebf72abfc1c344c3307e82fbc
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
diff --git a/.github/workflows/gerrit-merge.yaml b/.github/workflows/gerrit-merge.yaml
new file mode 100644
index 0000000..044d564
--- /dev/null
+++ b/.github/workflows/gerrit-merge.yaml
@@ -0,0 +1,117 @@
+---
+name: Gerrit Maven Merge
+
+# yamllint disable-line rule:truthy
+on:
+  workflow_dispatch:
+    inputs:
+      GERRIT_BRANCH:
+        description: "Branch that change is against"
+        required: true
+        type: string
+      GERRIT_CHANGE_ID:
+        description: "The ID for the change"
+        required: true
+        type: string
+      GERRIT_CHANGE_NUMBER:
+        description: "The Gerrit number"
+        required: true
+        type: string
+      GERRIT_CHANGE_URL:
+        description: "URL to the change"
+        required: true
+        type: string
+      GERRIT_EVENT_TYPE:
+        description: "Type of Gerrit event"
+        required: true
+        type: string
+      GERRIT_PATCHSET_NUMBER:
+        description: "The patch number for the change"
+        required: true
+        type: string
+      GERRIT_PATCHSET_REVISION:
+        description: "The revision sha"
+        required: true
+        type: string
+      GERRIT_PROJECT:
+        description: "Project in Gerrit"
+        required: true
+        type: string
+      GERRIT_REFSPEC:
+        description: "Gerrit refspec of change"
+        required: true
+        type: string
+
+concurrency:
+  # yamllint disable-line rule:line-length
+  group: compose-maven-merge-${{ github.workflow }}-${{ github.event.inputs.GERRIT_CHANGE_ID || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  notify:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Notify job start
+        # yamllint disable-line rule:line-length
+        uses: lfit/gerrit-review-action@9627b9a144f2a2cad70707ddfae87c87dce60729  # v0.8
+        with:
+          host: ${{ vars.GERRIT_SERVER }}
+          username: ${{ vars.GERRIT_SSH_USER }}
+          key: ${{ secrets.GERRIT_SSH_PRIVKEY }}
+          known_hosts: ${{ vars.GERRIT_KNOWN_HOSTS }}
+          gerrit-change-number: ${{ inputs.GERRIT_CHANGE_NUMBER }}
+          gerrit-patchset-number: ${{ inputs.GERRIT_PATCHSET_NUMBER }}
+          vote-type: clear
+          comment-only: true
+      - name: Allow replication
+        run: sleep 10s
+
+  run-maven-sonar:
+    needs: notify
+    # yamllint disable-line rule:line-length
+    uses: lfit/releng-reusable-workflows/.github/workflows/composed-maven-sonar-cloud.yaml@main
+    with:
+      GERRIT_BRANCH: ${{ inputs.GERRIT_BRANCH }}
+      GERRIT_CHANGE_ID: ${{ inputs.GERRIT_CHANGE_ID }}
+      GERRIT_CHANGE_NUMBER: ${{ inputs.GERRIT_CHANGE_NUMBER }}
+      GERRIT_CHANGE_URL: ${{ inputs.GERRIT_CHANGE_URL }}
+      GERRIT_EVENT_TYPE: ${{ inputs.GERRIT_EVENT_TYPE }}
+      GERRIT_PATCHSET_NUMBER: ${{ inputs.GERRIT_PATCHSET_NUMBER }}
+      GERRIT_PATCHSET_REVISION: ${{ inputs.GERRIT_PATCHSET_REVISION }}
+      GERRIT_PROJECT: ${{ inputs.GERRIT_PROJECT }}
+      GERRIT_REFSPEC: ${{ inputs.GERRIT_REFSPEC }}
+      # yamllint disable rule:line-length
+      ENV_VARS: '{"SONARCLOUD_QUALITYGATE_WAIT": "false","SCAN_DEV_BRANCH": "false"}'
+      ENV_SECRETS: "{}"
+      JDK_VERSION: "17"
+      MVN_PHASES: "clean install"
+      MVN_OPTS: >-
+        -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn
+        -Dmaven.repo.local=/tmp/r -Dorg.ops4j.pax.url.mvn.localRepository=/tmp/r
+        -DaltDeploymentRepository=staging::default::file:"${GITHUB_WORKSPACE}"/m2repo
+      SONAR_PROJECT_KEY: "o-ran-sc_nonrtric-plt-dmaapadapter"
+      SONAR_ORG: "o-ran-sc"
+      SONAR_ARGS: >
+        -Dsonar.verbose=true
+    secrets:
+      SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+
+  report-status:
+    if: ${{ always() }}
+    needs: [notify, run-maven-sonar]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Get workflow conclusion
+        uses: technote-space/workflow-conclusion-action@v3
+      - name: Report workflow conclusion
+        # yamllint disable-line rule:line-length
+        uses: lfit/gerrit-review-action@9627b9a144f2a2cad70707ddfae87c87dce60729  # v0.8
+        with:
+          host: ${{ vars.GERRIT_SERVER }}
+          username: ${{ vars.GERRIT_SSH_USER }}
+          key: ${{ secrets.GERRIT_SSH_PRIVKEY }}
+          known_hosts: ${{ vars.GERRIT_KNOWN_HOSTS }}
+          gerrit-change-number: ${{ inputs.GERRIT_CHANGE_NUMBER }}
+          gerrit-patchset-number: ${{ inputs.GERRIT_PATCHSET_NUMBER }}
+          vote-type: ${{ env.WORKFLOW_CONCLUSION }}
+          comment-only: true