Add validate-plan template

.gitlab/README.md.template

@@ -74,6 +74,7 @@ This component repository also provides some templates that may often be used,
 for example one that only runs validation (`fmt` and `validate`), plan and an apply,
 but no destructive actions.
 
+- [`validate-plan`](templates/validate-plan.yml)
 - [`validate-plan-apply`](templates/validate-plan-apply.yml)
 
 ### Job Templates

README.md

@@ -76,6 +76,7 @@ This component repository also provides some templates that may often be used,
 for example one that only runs validation (`fmt` and `validate`), plan and an apply,
 but no destructive actions.
 
+- [`validate-plan`](templates/validate-plan.yml)
 - [`validate-plan-apply`](templates/validate-plan-apply.yml)
 
 ### Job Templates

templates/validate-plan.yml

+spec:
+  inputs:
+    # Stages
+    stage_validate:
+      default: 'validate'
+      description: 'Defines the validate stage. This stage includes the `fmt` and `validate` jobs.'  
+    stage_build:
+      default: 'build'
+      description: 'Defines the build stage. This stage includes the `plan` job.'
+
+    # Versions
+    # This version is only required, because we cannot access the context of the component,
+    # see https://gitlab.com/gitlab-org/gitlab/-/issues/438275
+    version:
+      default: 'latest'
+      description: 'Version of this component. Has to be the same as the one in the component include entry.'
+      
+    opentofu_version:
+      default: '1.6.1'
+      options:
+        - '$OPENTOFU_VERSION'
+        - '1.6.1'
+        - '1.6.0'
+        - '1.6.0-rc1'
+      description: 'OpenTofu version that should be used.'
+
+    # Images
+    image_registry_base:
+      default: '$CI_REGISTRY/components/opentofu'
+    # FIXME: not yet possible because of https://gitlab.com/gitlab-org/gitlab/-/issues/438722
+    # gitlab_opentofu_image:
+    #   # FIXME: This should reference the component tag that is used.
+    #   #        Currently, blocked by https://gitlab.com/gitlab-org/gitlab/-/issues/438275
+    #   # default: '$CI_REGISTRY/components/opentofu/gitlab-opentofu:$[[ inputs.opentofu_version ]]'
+    #   default: '$CI_REGISTRY/components/opentofu/gitlab-opentofu:$[[ inputs.version ]]-opentofu$[[ inputs.opentofu_version ]]'
+    #   description: 'Tag of the gitlab-opentofu image.'
+    
+    # Configuration
+    root_dir: 
+      default: ${CI_PROJECT_DIR}
+      description: 'Root directory for the OpenTofu project.'
+    state_name:
+      default: default
+      description: 'Remote OpenTofu state name.'
+
+---
+
+include:
+  - local: '/templates/fmt.yml'
+    inputs:
+      as: 'fmt'
+      stage: $[[ inputs.stage_validate ]]
+      version: $[[ inputs.version ]]
+      opentofu_version: $[[ inputs.opentofu_version ]]
+      image_registry_base: $[[ inputs.image_registry_base ]]
+      root_dir: $[[ inputs.root_dir ]]
+  - local: '/templates/validate.yml'
+    inputs:
+      as: 'validate'
+      stage: $[[ inputs.stage_validate ]]
+      version: $[[ inputs.version ]]
+      opentofu_version: $[[ inputs.opentofu_version ]]
+      image_registry_base: $[[ inputs.image_registry_base ]]
+      root_dir: $[[ inputs.root_dir ]]
+      state_name: $[[ inputs.state_name ]]
+  - local: '/templates/plan.yml'
+    inputs:
+      as: 'plan'
+      stage: $[[ inputs.stage_build ]]
+      version: $[[ inputs.version ]]
+      opentofu_version: $[[ inputs.opentofu_version ]]
+      image_registry_base: $[[ inputs.image_registry_base ]]
+      root_dir: $[[ inputs.root_dir ]]
+      state_name: $[[ inputs.state_name ]]