Add support for tfplan.json report

Added support for `terraform` report type in ci yml. This is a special
json file added as a part of https://gitlab.com/gitlab-org/gitlab/-/merge_requests/26830
to handle showing terraform results in merge requests

Relates to https://gitlab.com/gitlab-org/gitlab/issues/207527

app/models/ci/job_artifact.rb

@@ -31,7 +31,8 @@ module Ci
       metrics: 'metrics.txt',
       lsif: 'lsif.json',
       dotenv: '.env',
-      cobertura: 'cobertura-coverage.xml'
+      cobertura: 'cobertura-coverage.xml',
+      terraform: 'tfplan.json'
     }.freeze
 
     INTERNAL_TYPES = {
@@ -59,7 +60,8 @@ module Ci
       dast: :raw,
       license_management: :raw,
       license_scanning: :raw,
-      performance: :raw
+      performance: :raw,
+      terraform: :raw
     }.freeze
 
     TYPE_AND_FORMAT_PAIRS = INTERNAL_TYPES.merge(REPORT_TYPES).freeze
@@ -129,7 +131,8 @@ module Ci
       network_referee: 14, ## runner referees
       lsif: 15, # LSIF data for code navigation
       dotenv: 16,
-      cobertura: 17
+      cobertura: 17,
+      terraform: 18 # Transformed json
     }
 
     enum file_format: {

lib/gitlab/ci/config/entry/reports.rb

@@ -14,7 +14,7 @@ module Gitlab
           ALLOWED_KEYS =
             %i[junit codequality sast dependency_scanning container_scanning
                dast performance license_management license_scanning metrics lsif
-               dotenv cobertura].freeze
+               dotenv cobertura terraform].freeze
 
           attributes ALLOWED_KEYS
 
@@ -36,6 +36,7 @@ module Gitlab
               validates :lsif, array_of_strings_or_string: true
               validates :dotenv, array_of_strings_or_string: true
               validates :cobertura, array_of_strings_or_string: true
+              validates :terraform, array_of_strings_or_string: true
             end
           end
 

spec/lib/gitlab/ci/config/entry/reports_spec.rb

@@ -46,6 +46,7 @@ describe Gitlab::Ci::Config::Entry::Reports do
         :lsif | 'lsif.json'
         :dotenv | 'build.dotenv'
         :cobertura | 'cobertura-coverage.xml'
+        :terraform | 'tfplan.json'
       end
 
       with_them do

spec/services/ci/retry_build_service_spec.rb

@@ -34,6 +34,7 @@ describe Ci::RetryBuildService do
        job_artifacts_container_scanning job_artifacts_dast
        job_artifacts_license_management job_artifacts_license_scanning
        job_artifacts_performance job_artifacts_lsif
+       job_artifacts_terraform
        job_artifacts_codequality job_artifacts_metrics scheduled_at
        job_variables waiting_for_resource_at job_artifacts_metrics_referee
        job_artifacts_network_referee job_artifacts_dotenv