stages:
  - validate
  - plan
  - apply
  - ansible
  - destroy

before_script:
  - echo "token = \"$token\"" >> terraform.tfvars 
  - apk add --update curl jq
  - alias convert_report="jq -r '([.resource_changes[].change.actions?]|flatten)|{\"create\":(map(select(.==\"create\"))|length),\"update\":(map(select(.==\"update\"))|length),\"delete\":(map(select(.==\"delete\"))|length)}'"
  - terraform --version
  - terraform init -reconfigure -backend-config="address=${GITLAB_TF_ADDRESS}" -backend-config="lock_address=${GITLAB_TF_ADDRESS}/lock" -backend-config="unlock_address=${GITLAB_TF_ADDRESS}/lock" -backend-config="username=gitlab-ci-token" -backend-config="password=${CI_JOB_TOKEN}" -backend-config="lock_method=POST" -backend-config="unlock_method=DELETE" -backend-config="retry_wait_min=5"  
  - terraform output kubeconfig | base64 -d > kubeconfig

plan:
  stage: plan
  allow_failure: true
  image:
    name: hashicorp/terraform:light
    entrypoint:
      - '/usr/bin/env'
      - 'PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
  variables:
    PLAN: plan.tfplan
    JSON_PLAN_FILE: tfplan.json
    TF_IN_AUTOMATION: "true"
    GITLAB_TF_ADDRESS: ${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/terraform/state/${CI_PROJECT_NAME}
  cache:
    key: "$CI_COMMIT_SHA"
    paths:
      - .terraform
  script:
    - terraform plan -var-file=terraform.tfvars
  only:
    changes:
      - terraform.tf 
      - terraform.tfvars   
  artifacts:
    when: on_failure
    paths:
      - $CI_PROJECT_DIR

apply:
  stage: apply
  image:
    name: hashicorp/terraform:light
    entrypoint:
      - '/usr/bin/env'
      - 'PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
  variables:
    PLAN: plan.tfplan
    JSON_PLAN_FILE: tfplan.json
    TF_IN_AUTOMATION: "true"
    GITLAB_TF_ADDRESS: ${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/terraform/state/${CI_PROJECT_NAME}
  cache:
    key: "$CI_COMMIT_SHA"
    paths:
      - .terraform
  script:    
    - terraform apply -auto-approve -var-file=terraform.tfvars
  dependencies:
    - plan 
  only:
    changes:
      - terraform.tf 
      - terraform.tfvars    
  when: manual      


destroy:
  stage: destroy
  image:
    name: hashicorp/terraform:light
    entrypoint:
      - '/usr/bin/env'
      - 'PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
  variables:
    PLAN: plan.tfplan
    JSON_PLAN_FILE: tfplan.json
    TF_IN_AUTOMATION: "true"
    GITLAB_TF_ADDRESS: ${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/terraform/state/${CI_PROJECT_NAME}
  cache:
    key: "$CI_COMMIT_SHA"
    paths:
      - .terraform
  script:
    - terraform destroy -auto-approve -var-file=terraform.tfvars
  dependencies:
    - apply
  only:
    changes:
      - terraform.tf 
      - terraform.tfvars    
  when: manual