shell/docker-build.sh

   1 #!/bin/bash
   2 # Ensure we fail the job if any steps fail
   3 # Do not set -u as DOCKER_ARGS may be unbound
   4 set -e -o pipefail
   5
   6 FULL_DATE=`date +'%Y%m%dT%H%M%S'`
   7 IMAGE_VERSION=`xmlstarlet sel -N "x=http://maven.apache.org/POM/4.0.0" -t -v "/x:project/x:version" pom.xml | cut -c1-5`
   8
   9 case "$BUILD_MODE" in
  10    "STAGING")
  11       DOCKER_TAG="$IMAGE_VERSION"-STAGING-"$FULL_DATE"Z
  12       DOCKER_LATEST_TAG="$IMAGE_VERSION"-STAGING-latest
  13       echo "Using tags $DOCKER_TAG and $DOCKER_LATEST_TAG"
  14       ;;
  15    "SNAPSHOT")
  16       DOCKER_TAG="$IMAGE_VERSION"-SNAPSHOT-"$FULL_DATE"Z
  17       DOCKER_LATEST_TAG="$IMAGE_VERSION"-SNAPSHOT-latest
  18       echo "Using tags $DOCKER_TAG and $DOCKER_LATEST_TAG"
  19       ;;
  20 esac
  21
  22 # Switch to the directory where the Dockerfile is
  23 cd "$DOCKER_ROOT"
  24
  25 # DOCKERREGISTRY is purposely not using an '_' so as to not conflict with the
  26 # Jenkins global env var of the DOCKER_REGISTRY which the docker-login step uses
  27 IMAGE_NAME="$DOCKERREGISTRY/$DOCKER_NAME:$DOCKER_TAG"
  28 IMAGE_NAME_LATEST="$DOCKERREGISTRY/$DOCKER_NAME:$DOCKER_LATEST_TAG"
  29
  30 # Build the docker image
  31
  32 # Allow word splitting
  33 # shellcheck disable=SC2086
  34 docker build $DOCKER_ARGS . -t $IMAGE_NAME -t $IMAGE_NAME_LATEST | tee "$WORKSPACE/docker_build_log.txt"
  35
  36 # Write DOCKER_IMAGE information to a file so it can be injected into the
  37 # environment for following steps
  38 echo "DOCKER_IMAGE=$IMAGE_NAME" >> "$WORKSPACE/env_inject.txt"
  39 echo "DOCKER_IMAGE_LATEST=$IMAGE_NAME_LATEST" >> "$WORKSPACE/env_inject.txt"
  40
  41