.travis.yml

language: java
sudo: required

services:
- docker

branches:
  only:
  - master

jdk:
- openjdk8

cache:
  directories:
  - $HOME/google-cloud-sdk
  - $HOME/.m2

before_install:
- export CLOUDSDK_CORE_DISABLE_PROMPTS=1
- openssl aes-256-cbc -K $encrypted_3cc93b35c21b_key -iv $encrypted_3cc93b35c21b_iv -in travis-ci-petclinic.json.enc -out travis-ci-petclinic.json -d
- if [ ! -d "$HOME/google-cloud-sdk/bin" ]; then
    rm -rf $HOME/google-cloud-sdk;
    curl https://sdk.cloud.google.com | bash;
  fi
- source $HOME/google-cloud-sdk/path.bash.inc
- gcloud auth activate-service-account --key-file=$TRAVIS_BUILD_DIR/travis-ci-petclinic.json
- gcloud config set core/project $PROJECT_ID
- gcloud components install beta kubectl
- export DOCKER_GOOGLE_CREDENTIALS=$TRAVIS_BUILD_DIR/travis-ci-petclinic.json
- export TRIGGER_PATTERNS_IGNORE="\.md$"
- export TRIGGER_PATTERNS_BUILD_ALL="^pom\.xml|^\.travis\.yml"
- export TRIGGER_PATTERNS_MODULES="^spring-petclinic-"
- export TRIGGER_PATTERNS_KUBERNETES="^kubernetes/.*\.yaml"
# - export TRIGGER_PATTERNS_ISTIO="^istio/.*\.yaml"
- shopt -s expand_aliases
- alias cl="git diff --name-only $TRAVIS_COMMIT_RANGE"

script:
- echo "Changed Files:" && cl
- |
  if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then
    export MAVEN_PROFILE="";
  else
    CLOUDSDK_CONTAINER_USE_V1_API=false gcloud beta container clusters get-credentials petclinic-cluster --region=us-central1;
    echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
    export MAVEN_PROFILE="-PbuildDocker";
  fi
- |
  if cl | grep -q -E "$TRIGGER_PATTERNS_BUILD_ALL"; then
    echo "Build & Push All";
    ./mvnw install $MAVEN_PROFILE -Ddocker.image.tag=$TRAVIS_BRANCH-$TRAVIS_BUILD_NUMBER;
  else
    cl | grep -v -E "$TRIGGER_PATTERNS_IGNORE" | cut -d/ -f1 | sort | uniq | grep -E "$TRIGGER_PATTERNS_MODULES" > /tmp/modules_list;
    if [ -s /tmp/modules_list ]; then
      echo "Changed Modules:" && cat /tmp/modules_list;
      echo "Build & Push Changed Modules";
      ./mvnw install -N;
      for MODULE in $(cat /tmp/modules_list)
      do
        echo "Build & Push $MODULE";
        ./mvnw install $MAVEN_PROFILE -pl $MODULE -Ddocker.image.tag=$TRAVIS_BRANCH-$TRAVIS_BUILD_NUMBER;
      done
    else
      echo "Skipping Build" && cl;
    fi
  fi
- |
  if cl | grep -v "$TRIGGER_PATTERNS_IGNORE" | grep -q -E "$TRIGGER_PATTERNS_KUBERNETES"; then
    echo "Deploying to Kubernetes";
    kubectl apply -f kubernetes/
  else
    echo "Skipping Kubernetes Deployment";
  fi
#- |
#  if cl | grep -v "$TRIGGER_PATTERNS_IGNORE" | grep -q -E "$TRIGGER_PATTERNS_ISTIO"; then
#    echo "Deploying to Istio";
#    kubectl apply -f istio/
#  else
#    echo "Skipping Istio Deployment";
#  fi