Merge branch 'feat-terraform-autodevops-script' into 'master'

Output terraform plan to JSON file

See merge request gitlab-org/gitlab!26830

lib/gitlab/ci/templates/Terraform.gitlab-ci.yml

@@ -4,7 +4,7 @@
 # Entrypoint is also needed as image by default set `terraform` binary as an
 # entrypoint.
 image:
-  name: hashicorp/terraform:light
+  name: registry.gitlab.com/gitlab-org/gitlab-build-images:terraform
   entrypoint:
     - '/usr/bin/env'
     - 'PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
@@ -18,6 +18,7 @@ cache:
     - .terraform
 
 before_script:
+  - 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
 
@@ -36,6 +37,7 @@ plan:
   stage: build
   script:
     - terraform plan -out=$PLAN
+    - "terraform show --json $PLAN | convert_report > tfplan.json"
   artifacts:
     name: plan
     paths: