buildspec-stage.yml

version: 0.2

phases:
  install:
    commands:
      - echo ...
  build:
    commands:
      - echo ...
  post_build:
    commands:
      - REMOTE_TAG=$(cat $CODEBUILD_SRC_DIR_CloudformationArtifact/dockerimage.txt)
      - echo Preparing push of $REMOTE_TAG to green $NEXTSTAGE_FARGATE_STACK / $NEXTSTAGE_ALB_STACK 
      - |
        BLUETARGET=$(aws cloudformation describe-stacks --stack-name $NEXTSTAGE_ALB_STACK --query "Stacks[0].Outputs[?OutputKey=='BlueTarget'].OutputValue" --output text)
        DOCKER_IMAGE=$(aws cloudformation describe-stacks --stack-name $NEXTSTAGE_FARGATE_STACK --query "Stacks[0].Outputs[?OutputKey=='DockerImage'].OutputValue" --output text)
        DOCKER_IMAGE2=$(aws cloudformation describe-stacks --stack-name $NEXTSTAGE_FARGATE_STACK --query "Stacks[0].Outputs[?OutputKey=='DockerImage2'].OutputValue" --output text)
        if [ "$BLUETARGET" = "one" ]; 
        then
          printf '{"Parameters":{"DockerImage":"%s","DockerImage2":"%s"}}' $REMOTE_TAG $DOCKER_IMAGE2 > fargateconfig2.json
          printf '{"Parameters":{"BlueTarget":"two"}}' > albconfig2.json
        else
          printf '{"Parameters":{"DockerImage":"%s","DockerImage2":"%s"}}' $DOCKER_IMAGE $REMOTE_TAG > fargateconfig2.json
          printf '{"Parameters":{"BlueTarget":"one"}}' > albconfig2.json
        fi        
      - cat fargateconfig2.json      
      - cat albconfig2.json

artifacts:
    files: 
      - fargateconfig2.json
      - albconfig2.json