Add Commit Checker github action

Signed-off-by: Ricardo M. Oliveira <[email protected]>

.github/workflows/commit-checker.yaml

@@ -0,0 +1,36 @@
+name: Unit Tests
+on:
+  pull_request:
+    types:
+      - opened
+      - reopened
+      - closed
+      - synchronize
+  workflow_dispatch:
+env:
+  RESOURCES_DIR: ${{ github.workspace }}/.github/resources
+jobs:
+    commit_checker:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+              with:
+                fetch-depth: 0
+            - name: Get Commits
+              id: get-commits
+              run: |
+                master_commit=$(cat .git/refs/remotes/origin/master)
+                echo "master_commit_hash=$master_commit" >> $GITHUB_OUTPUT
+                last_commit=$(cat .git/refs/remotes/pull/36/merge)
+                echo "last_commit_hash=$last_commit" >> $GITHUB_OUTPUT
+            - name: Run Commit Checker
+              continue-on-error: true
+              run: |
+                echo "::group::Commit Checker results" > /tmp/body.txt
+                echo "::warning ::==== These are the results of the commit checker scans         ====" > /tmp/body.txt
+                echo "::warning ::==== If these are not commits from upstream kfp, then          ====" > /tmp/body.txt
+                echo "::warning ::==== please ensure you adhere to the commit checker formatting ====" > /tmp/body.txt
+                podman run -q -v ${{ github.workspace }}:/src/app-root quay.io/rmartine/commitchecker:latest --start ${{ steps.get-commits.outputs.master_commit_hash }} --end ${{ steps.get-commits.outputs.last_commit_hash }} > /tmp/body.txt
+                echo "::endgroup::" > /tmp/body.txt
+
+                gh pr comment ${{ github.event.pull_request.number }} --body-file

tools/commit_checker/Dockerfile

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+FROM registry.access.redhat.com/ubi8/go-toolset:1.20 as builder
+
+WORKDIR /tmp
+RUN git clone https://github.com/openshift/build-machinery-go.git && \
+    cd /tmp/build-machinery-go/commitchecker && \
+    go build
+
+FROM registry.access.redhat.com/ubi8/ubi-minimal:8.9
+
+WORKDIR /bin
+
+COPY --from=builder /tmp/build-machinery-go/commitchecker/commitchecker /bin/commitchecker
+RUN microdnf install git && \
+    chmod +x /bin/commitchecker && \
+    mkdir -p /src/app-root
+
+WORKDIR /src/app-root
+ENTRYPOINT ["commitchecker"]
+
+VOLUME ["/src/app-root"]
+
+LABEL name="Commit Checker tool" \
+      summary="commitchecker validates a range of commits in a git repository and ensures they meet specific requirements: \
+        1. The author's email address does not start with "root@". \
+        2. The message starts with one of: \
+            i. UPSTREAM: <PR number|carry|drop>: description \
+            ii. UPSTREAM: revert: \
+        This is useful for repositories that are downstream forks of upstream repositories."