Add github action

.github/workflows/images.yaml

@@ -0,0 +1,76 @@
+# Copyright 2024 NVIDIA CORPORATION
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Run this workflow on pull requests
+name: images
+
+on:
+  pull_request:
+    types:
+      - opened
+      - synchronize
+    branches:
+      - main
+      - release-*
+  push:
+    branches:
+      - main
+      - release-*
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Calculate build vars
+        id: vars
+        run: |
+          echo "COMMIT_SHORT_SHA=${GITHUB_SHA:0:8}" >> $GITHUB_ENV
+          echo "LOWERCASE_REPO_OWNER=$(echo "${GITHUB_REPOSITORY_OWNER}" | awk '{print tolower($0)}')" >> $GITHUB_ENV
+          REPO_FULL_NAME="${{ github.event.pull_request.head.repo.full_name }}"
+          echo "${REPO_FULL_NAME}"
+          echo "LABEL_IMAGE_SOURCE=https://github.com/${REPO_FULL_NAME}" >> $GITHUB_ENV
+          if [[ "${{ github.actor }}" == "dependabot[bot]" ]]; then
+            echo "PUSH_ON_BUILD=false" >> $GITHUB_ENV
+          else
+            echo "PUSH_ON_BUILD=true" >> $GITHUB_ENV
+          fi
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build image
+        env:
+          GOLANG_VERSION: "1.21.6"
+        run: |
+              docker build --build-arg GOLANG_VERSION=${GOLANG_VERSION} \
+              -f ./images/devel/Dockerfile \
+              --tag ghcr.io/${LOWERCASE_REPO_OWNER}/k8s-test-infra:${COMMIT_SHORT_SHA} \
+              .
+  push:
+    needs: build
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+    steps:
+      - name: Push image
+        run: |
+          docker push ghcr.io/${LOWERCASE_REPO_OWNER}/k8s-test-infra:${COMMIT_SHORT_SHA}