X-Git-Url: https://gerrit.linuxfoundation.org/infra/gitweb?a=blobdiff_plain;f=shell%2Fpacker-build.sh;h=7dd2434b67379aba57288f48615395f719f1927c;hb=bafd57c92d85a6c8b2c3fd3dbe30aa3a09f8f620;hp=714cd33db283cf0c4dfab4e9dc786c1bd4181e75;hpb=10821edc619b09e4623884b02900c39431f8a809;p=releng%2Fglobal-jjb.git

diff --git a/shell/packer-build.sh b/shell/packer-build.sh
index 714cd33d..7dd2434b 100644
--- a/shell/packer-build.sh
+++ b/shell/packer-build.sh
@@ -11,27 +11,107 @@
 echo "---> packer-build.sh"
 # The script builds an image using packer
 # $CLOUDENV            :  Provides the cloud credential file.
+# $PACKER_BUILDER      :  Provides the packer cloud type.
 # $PACKER_PLATFORM     :  Provides the packer platform.
-# $PACKER_TEMPLATE     :  Provides the packer temnplate.
+# $PACKER_TEMPLATE     :  Provides the packer template.
 
 # Ensure we fail the job if any steps fail.
 set -eu -o pipefail
 
+# Functions to compare semantic versions x.y.z
+version_ge() { test "$(echo "$@" | tr " " "\n" | sort -rV | head -n 1)" == "$1"; }
+
 PACKER_LOGS_DIR="$WORKSPACE/archives/packer"
 PACKER_BUILD_LOG="$PACKER_LOGS_DIR/packer-build.log"
 mkdir -p "$PACKER_LOGS_DIR"
 export PATH="${WORKSPACE}/bin:$PATH"
+template_file="${template_file:-}"
 
 cd packer
-export PACKER_LOG="yes" && \
-export PACKER_LOG_PATH="$PACKER_BUILD_LOG" && \
-                 packer.io build -color=false \
-                        -var-file="$CLOUDENV" \
-                        -var-file="../packer/vars/$PACKER_PLATFORM.json" \
-                        "../packer/templates/$PACKER_TEMPLATE.json"
+
+# Pick the correct format (hcl or json) based on packer version
+# Prioritize the project's own version of vars if available
+if version_ge "$PACKER_VERSION" "1.9.0"; then
+    platform_file="common-packer/vars/$PACKER_PLATFORM.pkrvars.hcl"
+    template_file="templates/$PACKER_TEMPLATE.pkr.hcl"
+    only="${PACKER_BUILDER}.${PACKER_TEMPLATE}"
+
+    if [[ -f "vars/$PACKER_PLATFORM.pkrvars.hcl" ]]; then
+        platform_file="vars/$PACKER_PLATFORM.pkrvars.hcl"
+    fi
+else
+    platform_file="common-packer/vars/$PACKER_PLATFORM.json"
+    template_file="templates/$PACKER_TEMPLATE.json"
+    only="${PACKER_BUILDER}"
+
+    if [[ -f "vars/$PACKER_PLATFORM.json" ]]; then
+        platform_file="vars/$PACKER_PLATFORM.json"
+    fi
+fi
+
+export PACKER_LOG="yes"
+export PACKER_LOG_PATH="$PACKER_BUILD_LOG"
+
+# download plugins only for HCL format
+if [[ "${template_file#*.}" == "pkr.hcl" ]]; then
+    echo "packer init ${template_file} ..."
+    packer.io init "${template_file}"
+fi
+
+packer.io validate \
+    -var-file="$CLOUDENV" \
+    -var-file="$platform_file" \
+    "$template_file"
+
+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#')
+    CONTEXT_VALUE="\"Packer ${PACKER_PLATFORM}-${PACKER_TEMPLATE} Verify Build\""
+    JQ_QUERY=".[] | select(.state == \"success\" and .context == ${CONTEXT_VALUE})"
+    STATUS=$(curl "${API_BASE}/statuses/${LAST_CHANGE_SHA}" | jq "${JQ_QUERY}")
+    if [[ -n ${STATUS} ]]; then
+        echo "Build already successful for this patch set. Skipping merge build..."
+        exit
+    fi
+fi
+set +x
+
+packer.io build -color=false \
+    -only "$only" \
+    -var-file="$CLOUDENV" \
+    -var-file="$platform_file" \
+    "$template_file"
+
+# 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
-clouds=($(jq -r '.builders[].name' "../packer/templates/$PACKER_TEMPLATE.json"))
+mapfile -t clouds < <(jq -r '.builders[].name' "templates/$PACKER_TEMPLATE.json")
 
 # Split public/private clouds logs
 for cloud in "${clouds[@]}"; do