Add workflow for checking sidecar digests

.github/workflows/sidecar-check.yml

@@ -0,0 +1,59 @@
+#
+# Copyright (c) 2020-2021 Red Hat, Inc.
+# This program and the accompanying materials are made
+# available under the terms of the Eclipse Public License 2.0
+# which is available at https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+
+name: Sidecar Digest validation
+
+on:
+  workflow_dispatch:
+  schedule:
+  - cron: "0 0 * * *"
+
+jobs:
+  build:
+    name: Validate digests for sidecar images
+    runs-on: ubuntu-20.04
+    steps:
+      -
+        name: "Checkout source code"
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      -
+        name: "Set up QEMU"
+        uses: docker/setup-qemu-action@v1
+      -
+        name: "Set up Docker Buildx"
+        uses: docker/setup-buildx-action@v1
+      -
+        name: "Docker quay.io Login"
+        uses: docker/login-action@v1
+        with:
+          registry: quay.io
+          username: ${{ secrets.QUAY_USERNAME }}
+          password: ${{ secrets.QUAY_PASSWORD }}
+      - 
+        name: Login to docker.io
+        uses: docker/login-action@v1
+        with:
+          registry: docker.io
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+      - name: Install skopeo
+        run: |
+          . /etc/os-release
+          echo "deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_${VERSION_ID}/ /" | sudo tee /etc/apt/sources.list.d/devel:kubic:libcontainers:stable.list
+          curl -L https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_${VERSION_ID}/Release.key | sudo apt-key add -
+          sudo apt-get update
+          sudo apt-get -y upgrade
+          sudo apt-get -y install skopeo
+      - 
+        name: Run the digest checking script
+        run: |
+          export GITHUB_TOKEN=${CHE_INCUBATOR_BOT_GITHUB_TOKEN}
+          ./arbitrary-users-patch/check_sidecar_images_digests.sh

arbitrary-users-patch/check_sidecar_image_digests.sh

@@ -0,0 +1,66 @@
+#!/bin/bash
+#
+# Copyright (c) 2018-2021 Red Hat, Inc.
+# This program and the accompanying materials are made
+# available under the terms of the Eclipse Public License 2.0
+# which is available at https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+
+set -e
+
+SCRIPT_DIR=$(cd "$(dirname "$0")"; pwd)
+
+REGISTRY="quay.io"
+ORGANIZATION="eclipse"
+NAME_FORMAT="${REGISTRY}/${ORGANIZATION}"
+
+REGISTRY=${REGISTRY:-${DEFAULT_REGISTRY}}
+ORGANIZATION=${ORGANIZATION:-${DEFAULT_ORGANIZATION}}
+
+createPR() {
+    set +e
+    aBRANCH="$1"
+    PR_BRANCH="$2"
+
+    COMMIT_MSG="[update] Update digests in base_images"
+
+    # commit change into branch
+    git add "${SCRIPT_DIR}"/base_images
+    git commit -sm "${COMMIT_MSG}"
+
+    git branch "${PR_BRANCH}"
+    git checkout "${PR_BRANCH}"
+    git pull origin "${PR_BRANCH}"
+    git push origin "${PR_BRANCH}"
+    lastCommitComment="$(git log -1 --pretty=%B)"
+    hub pull-request -f -m "${lastCommitComment}" -b "${aBRANCH}" -h "${PR_BRANCH}"
+    set -e
+}
+
+BUILT_IMAGES=""
+while read -r line; do
+  dev_container_name=$(echo "$line" | tr -s ' ' | cut -f 1 -d ' ')
+  base_image_name=$(echo "$line" | tr -s ' ' | cut -f 2 -d ' ')
+  base_image_digest=$(echo "$line" | tr -s ' ' | cut -f 3 -d ' ' )
+  echo "Checking ${NAME_FORMAT}/${dev_container_name} based on $base_image_name ..."
+  latest_digest="$(skopeo inspect --tls-verify=false docker://"${base_image_name}" 2>/dev/null | jq -r '.Digest')"
+  echo "latest digest ---> ${latest_digest}"
+  latest_digest="${base_image_name%:*}@${latest_digest}"
+  if [[ ${latest_digest} != ${base_image_digest} ]]; then
+    echo "[INFO] Detected newer image digest for ${base_image_name}"
+    sed -i "s|${base_image_digest}$|${latest_digest}|" "${SCRIPT_DIR}"/base_images
+  else
+    echo "[INFO] Image ${base_image_name} has valid digest"
+  fi
+done < "${SCRIPT_DIR}"/base_images
+
+set +e
+hasChanges=$(git diff --exit-code "${SCRIPT_DIR}"/base_images)
+if [[ ${hasChanges} -eq 1 ]]; then
+  echo "[INFO] Changes detected, generating PR digests"
+  createPR
+else
+  echo "[INFO] No changes detected for digests"
+fi