shell/packer-build.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: EPL-1.0
   3 ##############################################################################
   4 # Copyright (c) 2017 The Linux Foundation and others.
   5 #
   6 # All rights reserved. This program and the accompanying materials
   7 # are made available under the terms of the Eclipse Public License v1.0
   8 # which accompanies this distribution, and is available at
   9 # http://www.eclipse.org/legal/epl-v10.html
  10 ##############################################################################
  11 echo "---> packer-build.sh"
  12 # The script builds an image using packer
  13 # $CLOUDENV            :  Provides the cloud credential file.
  14 # $PACKER_PLATFORM     :  Provides the packer platform.
  15 # $PACKER_TEMPLATE     :  Provides the packer temnplate.
  16
  17 # Ensure we fail the job if any steps fail.
  18 set -eu -o pipefail
  19
  20 PACKER_LOGS_DIR="$WORKSPACE/archives/packer"
  21 PACKER_BUILD_LOG="$PACKER_LOGS_DIR/packer-build.log"
  22 mkdir -p "$PACKER_LOGS_DIR"
  23 export PATH="${WORKSPACE}/bin:$PATH"
  24 export PACKER_BUILDER=${PACKER_BUILDER:-openstack}
  25
  26 cd packer
  27
  28 # Prioritize the project's own version of vars if available
  29 platform_file="common-packer/vars/$PACKER_PLATFORM.json"
  30 if [[ -f "vars/$PACKER_PLATFORM.json" ]]; then
  31     platform_file="vars/$PACKER_PLATFORM.json"
  32 fi
  33
  34 export PACKER_LOG="yes"
  35 export PACKER_LOG_PATH="$PACKER_BUILD_LOG"
  36 packer.io validate \
  37     -var-file="$CLOUDENV" \
  38     -var-file="$platform_file" \
  39     "templates/$PACKER_TEMPLATE.json"
  40
  41 set -x
  42 # If this is a Gerrit system, check patch comments for successful verify build.
  43 if [[ -n ${GERRIT_URL:-} ]] && \
  44    [[ -n ${GERRIT_CHANGE_NUMBER:-} ]] && \
  45    [[ -n ${GERRIT_PATCHSET_NUMBER:-} ]] && \
  46    curl -s "${GERRIT_URL}/changes/${GERRIT_CHANGE_NUMBER}/detail" \
  47    | tail -n +2 | jq .messages[].message? \
  48    | grep "Patch Set ${GERRIT_PATCHSET_NUMBER}:.*Build Successful.*verify-build-${PACKER_PLATFORM}-${PACKER_TEMPLATE}"
  49 then
  50     echo "Build already successful for this patch set. Skipping merge build..."
  51     exit
  52 # If this is Github, check the last non-merge commit for a successful Packer
  53 # Verify Build status.
  54 elif [[ "${GIT_BASE:-}" =~ https://github.com ]]; then
  55     LAST_CHANGE_SHA=$(git log --no-merges -1 --format=%H)
  56     API_BASE=$(echo "$GIT_BASE" | sed -E 's#(www.)?github.com#api.github.com/repos#')
  57     STATUS=$(curl "${API_BASE}/statuses/${LAST_CHANGE_SHA}" \
  58         | jq ".[] | select(.state == \"success\" and .context == \"Packer ${PACKER_PLATFORM}-${PACKER_TEMPLATE} Verify Build\")")
  59     if [[ -n ${STATUS} ]]; then
  60         echo "Build already successful for this patch set. Skipping merge build..."
  61         exit
  62     fi
  63 fi
  64 set +x
  65
  66 packer.io build -color=false \
  67     -var-file="$CLOUDENV" \
  68     -var-file="$platform_file" \
  69     "templates/$PACKER_TEMPLATE.json"
  70
  71 # Extract image name from log and store value in the downstream job
  72 if [[ ${UPDATE_CLOUD_IMAGE} == 'true' ]]; then
  73
  74     NEW_IMAGE_NAME=$(grep -P '(\s+.*image: )(ZZCI\s+.*\d+-\d+\.\d+)' \
  75                           "$PACKER_BUILD_LOG" | awk -F': ' '{print $4}')
  76
  77     echo NEW_IMAGE_NAME="$NEW_IMAGE_NAME" >> "$WORKSPACE/variables.prop"
  78     echo "NEW_IMAGE_NAME: ${NEW_IMAGE_NAME}"
  79
  80     # Copy variables.prop to variables.jenkins-trigger so that the end of build
  81     # trigger can pick up the file as input for triggering downstream jobs.
  82     # Dont tigger downstream job when UPDATE_CLOUD_IMAGE is set to 'false'
  83     cp "$WORKSPACE/variables.prop" "$WORKSPACE/variables.jenkins-trigger"
  84 fi
  85
  86 # Retrive the list of cloud providers
  87 mapfile -t clouds < <(jq -r '.builders[].name' "templates/$PACKER_TEMPLATE.json")
  88
  89 # Split public/private clouds logs
  90 for cloud in "${clouds[@]}"; do
  91     grep -e "$cloud" "$PACKER_BUILD_LOG" > "$PACKER_LOGS_DIR/packer-build_$cloud.log" 2>&1
  92 done