mkdir -p "$PACKER_LOGS_DIR"
export PATH="${WORKSPACE}/bin:$PATH"
-cd packer || exit
+cd packer
# Prioritize the project's own version of vars if available
platform_file="common-packer/vars/$PACKER_PLATFORM.json"
-if [ -f "vars/$PACKER_PLATFORM.json" ]; then
+if [[ -f "vars/$PACKER_PLATFORM.json" ]]; then
platform_file="vars/$PACKER_PLATFORM.json"
fi
export PACKER_LOG="yes"
export PACKER_LOG_PATH="$PACKER_BUILD_LOG"
+packer.io validate \
+ -var-file="$CLOUDENV" \
+ -var-file="$platform_file" \
+ "templates/$PACKER_TEMPLATE.json"
+
+set -x
+# If this is a Gerrit system, check patch comments for successful verify build.
+if [[ -n ${GERRIT_URL:-} ]] && \
+ [[ -n ${GERRIT_CHANGE_NUMBER:-} ]] && \
+ [[ -n ${GERRIT_PATCHSET_NUMBER:-} ]] && \
+ curl -s "${GERRIT_URL}/changes/${GERRIT_CHANGE_NUMBER}/detail" \
+ | tail -n +2 | jq .messages[].message? \
+ | grep "Patch Set ${GERRIT_PATCHSET_NUMBER}:.*Build Successful.*verify-build-${PACKER_PLATFORM}-${PACKER_TEMPLATE}"
+then
+ echo "Build already successful for this patch set. Skipping merge build..."
+ exit
+# If this is Github, check the last non-merge commit for a successful Packer
+# Verify Build status.
+elif [[ "${GIT_BASE:-}" =~ https://github.com ]]; then
+ LAST_CHANGE_SHA=$(git log --no-merges -1 --format=%H)
+ API_BASE=$(echo "$GIT_BASE" | sed -E 's#(www.)?github.com#api.github.com/repos#')
+ STATUS=$(curl "${API_BASE}/statuses/${LAST_CHANGE_SHA}" \
+ | jq ".[] | select(.state == \"success\" and .context == \"Packer ${PACKER_PLATFORM}-${PACKER_TEMPLATE} Verify Build\")")
+ if [[ -n ${STATUS} ]]; then
+ echo "Build already successful for this patch set. Skipping merge build..."
+ exit
+ fi
+fi
+set +x
+
packer.io build -color=false \
+ -only "${PACKER_BUILDER}" \
-var-file="$CLOUDENV" \
-var-file="$platform_file" \
"templates/$PACKER_TEMPLATE.json"
+# Extract image name from log and store value in the downstream job
+if [[ ${UPDATE_CLOUD_IMAGE} == 'true' ]]; then
+
+ NEW_IMAGE_NAME=$(grep -P '(\s+.*image: )(ZZCI\s+.*\d+-\d+\.\d+)' \
+ "$PACKER_BUILD_LOG" | awk -F': ' '{print $4}')
+
+ echo NEW_IMAGE_NAME="$NEW_IMAGE_NAME" >> "$WORKSPACE/variables.prop"
+ echo "NEW_IMAGE_NAME: ${NEW_IMAGE_NAME}"
+
+ # Copy variables.prop to variables.jenkins-trigger so that the end of build
+ # trigger can pick up the file as input for triggering downstream jobs.
+ # Dont tigger downstream job when UPDATE_CLOUD_IMAGE is set to 'false'
+ cp "$WORKSPACE/variables.prop" "$WORKSPACE/variables.jenkins-trigger"
+fi
+
# Retrive the list of cloud providers
mapfile -t clouds < <(jq -r '.builders[].name' "templates/$PACKER_TEMPLATE.json")