support metadata field in compute instance template (#860)

* support metadata field in compute instance template Fixes #859 * use hcl
GoogleCloudPlatform · Mar 30, 2021 · 212ca1b · 212ca1b
1 parent eb23d1e
commit 212ca1b
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diff --git a/docs/tfengine/schemas/resources.md b/docs/tfengine/schemas/resources.md
@@ -337,6 +337,12 @@ Labels to set on the instance template.
 
 Type: object
 
+### compute_instance_templates.metadata
+
+Metadata to set on the instance template.
+
+Type: object
+
 ### compute_instance_templates.name_prefix
 
 Name prefix of the instance template.

diff --git a/examples/tfengine/generated/team/project_apps/main.tf b/examples/tfengine/generated/team/project_apps/main.tf
@@ -144,6 +144,9 @@ module "instance_template" {
     env  = "prod"
     type = "no-phi"
   }
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
   depends_on = [
     module.project
   ]

diff --git a/examples/tfengine/modules/team.hcl b/examples/tfengine/modules/team.hcl
@@ -195,6 +195,9 @@ template "project_apps" {
         labels = {
           type = "no-phi"
         }
+        metadata = {
+          enable-oslogin = "TRUE"
+        }
         tags = [
           "service",
         ]

diff --git a/templates/tfengine/components/resources/compute_instance_templates/main.tf b/templates/tfengine/components/resources/compute_instance_templates/main.tf
@@ -71,6 +71,14 @@ EOF
     {{end -}}
   }
   {{end -}}
+
+
+  {{if has . "metadata" -}}
+  metadata = {
+    {{hcl .metadata}}
+  }
+  {{end -}}
+
   depends_on =[
     module.project
   ]

diff --git a/templates/tfengine/recipes/resources.hcl b/templates/tfengine/recipes/resources.hcl
@@ -360,6 +360,10 @@ schema = {
               ".+" = { type = "string" }
             }
           }
+          metadata = {
+            description = "Metadata to set on the instance template."
+            type        = "object"
+          }
           instances = {
             description = "[Module](https://github.com/terraform-google-modules/terraform-google-vm/tree/master/modules/compute_instance)"
             type        = "array"