---
variables:
  PHASE: BUILD
  CICD_MODE: "true"
  GIT_SUBMODULE_STRATEGY: "recursive"
  PRINT_DEBUG: "false"
  {% if  TF_TOKEN_MODULE_ACCESS %}
  {{ TF_TOKEN_MODULE_ACCESS_KEY }}: {{ TF_TOKEN_MODULE_ACCESS_VALUE }}
  {% endif %}

  # Docker Image Tag
  TFLINT_IMAGE_TAG: {{ environ('TFLINT_IMAGE_TAG') }}
  PRECOMMIT_IMAGE_TAG: {{ environ('PRECOMMIT_IMAGE_TAG') }}
  TFENV_IMAGE_TAG: {{ environ('TFENV_IMAGE_TAG') }}
  DRIFTCTL_IMAGE_TAG: {{ environ('DRIFTCTL_IMAGE_TAG') }}

  # NEED TO BE CHANGED FOR EACH PROJECT
  PROJECT_NAME: {{ environ('PROJECT_NAME') }}
  REGION: {{ environ('REGION') }}
  TF_VAR_assume_role: {{ environ('CICD_ROLE_NAME') }}
  TF_VAR_backend_bucket_name: {{ environ('TF_VAR_backend_bucket_name') }}
  TF_VAR_backend_bucket_region: {{ environ('REGION') }}
  TF_VAR_backend_dynamodb_table: {{ environ('TF_VAR_backend_dynamodb_table')}}
  TF_VAR_backend_bucket_access_role: "arn:aws:iam::{{ environ('ACCOUNT_ID') }}:role/{{ environ('CICD_ROLE_NAME') }}"
  PLAN_BINARY_FILE: {{ environ('PLAN_BINARY_FILE') }}
  PLAN_JSON_FILE: {{ environ('PLAN_JSON_FILE') }}
  ACCOUNT_ID: {{ environ('ACCOUNT_ID') }}
  CICD_ROLE_NAME: {{ environ('CICD_ROLE_NAME') }}

  {%- set plans_install = environ('PLAN_INSTALL_LIST').split(',') -%}
  {%- set plans_delete = environ('PLAN_DELETE_LIST').split(',') %}
  {%- set runners = environ('CICD_RUNNER_TAGS').split(',') %}

cache:
  key: $CI_COMMIT_REF_SLUG
  paths:
    - creds.env

stages:
  - aws-creds
  - quality-checks
  - drift
  - plan
  - tests
  - apply
  - delete
  - clean-cache

########################################################################################################################
# FUNCTIONS
########################################################################################################################
.aws-cli:
  before_script:
    - yum install -y jq
  image:
    name: amazon/aws-cli:latest
    entrypoint:
      - '/usr/bin/env'
      - 'PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
  tags:
  {% for runner in runners %}
    - {{ runner }}
   {% endfor %}

.aws_get_creds: &aws_get_creds
  script: |
    #!/usr/bin/env bash
    echo "Getting temporary credentials associated to assume role"
    STS_CREDS=$(aws sts assume-role --role-arn arn:aws:iam::903534291474:role/Vocalcom-CiCd-CrossAccountRole --role-session-name ${CI_COMMIT_SHA})
    AWS_ACCESS_KEY_ID=$(echo $STS_CREDS | jq -r '.Credentials.AccessKeyId')
    AWS_SECRET_ACCESS_KEY=$(echo $STS_CREDS | jq -r '.Credentials.SecretAccessKey')
    AWS_SESSION_TOKEN=$(echo $STS_CREDS | jq -r '.Credentials.SessionToken')
    echo "export AWS_ACCESS_KEY_ID=$AWS_ACCESS_KEY_ID" > creds.env
    echo "export AWS_SECRET_ACCESS_KEY=$AWS_SECRET_ACCESS_KEY" >> creds.env
    echo "export AWS_SESSION_TOKEN=$AWS_SESSION_TOKEN" >> creds.env

.terraform-base:
  before_script:
    - rm -rf .terraform
  image:
    name: marmarama/tfenv:$TFENV_IMAGE_TAG
    entrypoint:
      - '/usr/bin/env'
      - 'PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/tfenv/bin/'
  tags:
  {% for runner in runners %}
    - {{ runner }}
   {% endfor %}

{% if  GITLAB_JOBS["terraform-trivy"]  %}
.terraform-trivy:
  before_script:
    - rm -rf .terraform
    - . ./creds.env
    - apk --no-cache --update  add make
  image:
    name: aquasec/trivy:latest
    entrypoint:
      - '/usr/bin/env'
      - 'PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/tfenv/bin/'
  tags:
  {% for runner in runners %}
    - {{ runner }}
   {% endfor %}

{% endif %}
{% if  GITLAB_JOBS["terraform-lint"]  %}
.terraform-lint:
  image:
    name: ghcr.io/terraform-linters/tflint:${TFLINT_IMAGE_TAG}
    entrypoint:
      - '/usr/bin/env'
      - 'PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
  before_script:
    - apk --no-cache --update  add make
  tags:
  {% for runner in runners %}
    - {{ runner }}
   {% endfor %}

{% endif %}
{% if  GITLAB_JOBS["shell-lint"]  %}
.shelllint:
  image:
    name: pipelinecomponents/shellcheck:latest
    entrypoint:
      - '/usr/bin/env'
      - 'PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
  tags:
  {% for runner in runners %}
    - {{ runner }}
   {% endfor %}

{% endif %}
{% if  GITLAB_JOBS["precommit"]  %}
.precommit:
  image:
    name: ghcr.io/antonbabenko/pre-commit-terraform:${PRECOMMIT_IMAGE_TAG}
    entrypoint:
      - '/usr/bin/env'
      - 'PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
  tags:
  {% for runner in runners %}
    - {{ runner }}
   {% endfor %}

{% endif %}
{% if  GITLAB_JOBS["yaml-lint"]  %}
.yamllint:
  image:
    name: pipelinecomponents/yamllint:latest
    entrypoint:
      - '/usr/bin/env'
      - 'PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
  before_script:
    - apk --no-cache --update  add make
  tags:
  {% for runner in runners %}
    - {{ runner }}
   {% endfor %}

{% endif %}
{% if  GITLAB_JOBS["terraform-compliance"]  %}
.terraform-compliance:
  image:
    name: eerkunt/terraform-compliance:latest
    entrypoint:
      - '/usr/bin/env'
      - 'PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
  before_script:
    - apt-get update && apt-get install -y make
    - . ./creds.env
  tags:
  {% for runner in runners %}
    - {{ runner }}
   {% endfor %}

{% endif %}
{% if  GITLAB_JOBS["terraform-terrascan"]  %}
.terraform-terrascan:
  image:
    name: tenable/terrascan:latest
    entrypoint:
      - '/usr/bin/env'
      - 'PATH=/go/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
  before_script:
    - . ./creds.env
  tags:
  {% for runner in runners %}
    - {{ runner }}
   {% endfor %}

{% endif %}
{% if  GITLAB_JOBS["md-lint"]  %}
.md_lint:
  image:
    name: pipelinecomponents/markdownlint:latest
    entrypoint:
      - '/usr/bin/env'
      - 'PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/app/bin'
  before_script:
    - apk --no-cache --update  add make
    - . ./creds.env
  tags:
  {% for runner in runners %}
    - {{ runner }}
   {% endfor %}

{% endif %}
########################################################################################################################
# COMMONS
########################################################################################################################
{% if  GITLAB_JOBS["aws-creds"]  %}
aws-creds:
  extends: .aws-cli
  stage: aws-creds
  <<: *aws_get_creds

{% endif %}
{% if  GITLAB_JOBS["terraform-compliance"]  %}
########################################################################################################################
# TESTS
########################################################################################################################
terraform-compliance:
  needs: [plan_all]
  extends: .terraform-compliance
  allow_failure: true
  stage: tests
  script:
    - make terraform_compliance

{% endif %}
########################################################################################################################
# QUALITY CHECKS
########################################################################################################################
{% if  GITLAB_JOBS["terraform-lint"]  %}
terraform-lint:
  needs: []
  extends: .terraform-lint
  allow_failure: true
  stage: quality-checks
  script:
    - make lint

{% endif %}
{% if  GITLAB_JOBS["precommit"]  %}
precommit:
  needs: []
  extends: .precommit
  allow_failure: true
  stage: quality-checks
  before_script:
    - apk --no-cache --update  add make
  script:
    - make precommit

{% endif %}
{% if  GITLAB_JOBS["terraform-format"]  %}
terraform-format:
  needs: []
  extends: .terraform-base
  allow_failure: true
  stage: quality-checks
  script:
    - make format

{% endif %}
{% if  GITLAB_JOBS["terraform-validate"]  %}
terraform-validate:
  needs: []
  extends: .terraform-base
  allow_failure: true
  before_script:
    - . ./creds.env
  stage: quality-checks
  script:
    - make validate

{% endif %}
{% if  GITLAB_JOBS["terraform-terrascan"]  %}
terraform-terrascan:
  needs: []
  extends: .terraform-terrascan
  allow_failure: true
  stage: quality-checks
  script:
    - terrascan scan -i terraform --verbose --config-path=./.terrascan_config.toml  {% for plan_name in plans_install %} --iac-dir={{ plan_name }}{% endfor %}

{% endif %}
{% if  GITLAB_JOBS["md-lint"]  %}
md-lint:
  needs: []
  extends: .md_lint
  allow_failure: true
  stage: quality-checks
  script:
    - make markdown_lint

{% endif %}
{% if  GITLAB_JOBS["shell-lint"]  %}
shell-lint:
  needs: []
  extends: .shelllint
  allow_failure: true
  before_script:
    - . ./creds.env
    - apk --no-cache --update  add make
  stage: quality-checks
  script:
    - make shell_lint

{% endif %}
{% if  GITLAB_JOBS["yaml-lint"]  %}
yaml-lint:
  needs: []
  extends: .yamllint
  allow_failure: true
  stage: quality-checks
  script:
    - make yaml_lint

{% endif %}
{% if  GITLAB_JOBS["terraform-trivy"]  %}
terraform-trivy:
  needs: []
  extends: .terraform-trivy
  allow_failure: true
  stage: quality-checks
  script:
    - make trivy

{% endif %}
{% if  GITLAB_JOBS["driftctl"]  %}
########################################################################################################################
# DRIFT Detection
########################################################################################################################
driftctl:
  stage: drift
  needs: [aws-creds]
  allow_failure: true
  image:
    name: snyk/driftctl:$DRIFTCTL_IMAGE_TAG
    entrypoint: [""]
  variables:
    AWS_DEFAULT_REGION: $REGION
    ROLE_TO_ASSUME: ${TF_VAR_backend_bucket_access_role}
    AWS_ROLE_SESSION_NAME: "sessiondrifctl"
  before_script:
    - . ./creds.env
    - apk add --no-cache aws-cli
    - apk add --no-cache jq
  script: |
    #!/usr/bin/env bash
    echo "Getting temporary credentials associated to assume role"
    aws sts get-caller-identity
    STS_CREDS=$(aws sts assume-role --role-arn ${ROLE_TO_ASSUME} --role-session-name ${AWS_ROLE_SESSION_NAME})
    AWS_ACCESS_KEY_ID=$(echo $STS_CREDS | jq -r '.Credentials.AccessKeyId')
    AWS_SECRET_ACCESS_KEY=$(echo $STS_CREDS | jq -r '.Credentials.SecretAccessKey')
    AWS_SESSION_TOKEN=$(echo $STS_CREDS | jq -r '.Credentials.SessionToken')
    aws sts get-caller-identity
    driftctl scan --only-managed  --from tfstate+s3://"${TF_VAR_backend_bucket_name}"/*.tfstate

{% endif %}
########################################################################################################################
# PLAN
########################################################################################################################
.plan_job: &plan_job
  extends: .terraform-base
  stage: plan
  needs: [aws-creds]
  allow_failure: false
  before_script:
    - . ./creds.env
{% for plan_name in plans_install +%}
{% set path = plan_name.split('/') %}
{% set slug = plan_name.replace('/',"_") %}
plan_{{ slug }}:
  <<: *plan_job
  script:
    - make plan_{{ slug }}
  artifacts:
    paths:
      - {{ plan_name }}/{{ environ('PLAN_BINARY_FILE') }}
      - {{ plan_name }}/{{ environ('PLAN_JSON_FILE') }}
  only:
    changes:
      - {{ plan_name }}/**/*
{% endfor %}

{% if  GITLAB_JOBS["plan_all"]  %}
plan_all:
  <<: *plan_job
  script:
    - make plan_all
  artifacts:
    paths:
      - ./**/{{ environ('PLAN_BINARY_FILE') }}
      - ./**/{{ environ('PLAN_JSON_FILE') }}
{% endif %}

########################################################################################################################
# APPLY
########################################################################################################################
.apply_job: &apply_job
  extends: .terraform-base
  stage: apply
  allow_failure: false
  when: manual
  before_script:
    - . ./creds.env
{% for plan_name in plans_install +%}
{% set path = plan_name.split('/') %}
{% set slug = plan_name.replace('/',"_") %}
apply_{{ slug }}:
  <<: *apply_job
  needs: [plan_{{ slug }}]
  script:
    - make install_{{ slug }}
  only:
{% if TF_APPLY_ONLY_MAIN %}
    refs:
      - main
{% endif %}
    changes:
      - {{ plan_name }}/**/*
{% endfor %}

{% if  GITLAB_JOBS["apply_all"]  %}
apply_all:
  <<: *apply_job
  needs: [plan_all]
  script:
    - make install_all
{% if TF_APPLY_ONLY_MAIN %}
  only:
    refs:
      - main
{% endif %}
{% endif %}

########################################################################################################################
# DELETE
########################################################################################################################
.delete_job: &delete_job
  extends: .terraform-base
  allow_failure: false
  stage: delete
  when: manual
  before_script:
    - . ./creds.env
  only:
    variables:
      - $PHASE == "DESTROY"
{% for plan_name in plans_delete +%}
{% set path = plan_name.split('/') %}
{% set slug = plan_name.replace('/',"_") %}
delete_{{ slug}}:
  <<: *delete_job
  script:
    - make delete_{{ slug }}
{% endfor %}

{% if  GITLAB_JOBS["delete_all"]  %}
delete_all:
  <<: *delete_job
  script:
    - make delete_all
{% endif %}