write a new custom import that can extract taxonomy and name both. (G…

…oogleCloudPlatform#4262)

* write a new custom import that can extract taxonomy and name both.

* move custom import to subfolder.

* update because project and location are set in the parent actually

products/datacatalog/terraform.yaml

@@ -201,7 +201,7 @@ overrides: !ruby/object:Overrides::ResourceOverrides
         required: false
         default_from_api: true
     custom_code: !ruby/object:Provider::Terraform::CustomCode
-      custom_import: templates/terraform/custom_import/set_id_name_with_slashes.go.erb
+      custom_import: templates/terraform/custom_import/extract_taxonomy.go.erb
   PolicyTag: !ruby/object:Overrides::Terraform::ResourceOverride
     import_format: ["{{name}}"]
     examples:
@@ -218,7 +218,7 @@ overrides: !ruby/object:Overrides::ResourceOverrides
         vars:
           taxonomy_display_name: "taxonomy_display_name"
     custom_code: !ruby/object:Provider::Terraform::CustomCode
-      custom_import: templates/terraform/custom_import/set_id_name_with_slashes.go.erb
+      custom_import: templates/terraform/custom_import/extract_taxonomy.go.erb
   # This is for copying files over
 files: !ruby/object:Provider::Config::Files
   # These files have templating (ERB) code that will be run.

templates/terraform/custom_import/extract_taxonomy.go.erb

@@ -0,0 +1,16 @@
+	config := meta.(*Config)
+
+	if err := parseImportId([]string{
+		"(?P<taxonomy>projects/[^/]+/locations/[^/]+/taxonomies/[^/]+)/policyTags/(?P<name>.+)"}, d, config); err != nil {
+		return nil, err
+	}
+
+	originalName := d.Get("name").(string)
+	originalTaxonomy := d.Get("taxonomy").(string)
+	name := fmt.Sprintf("%s/policyTags/%s", originalTaxonomy, originalName)
+
+	if err := d.Set("name", name); err != nil {
+		return nil, fmt.Errorf("Error setting name: %s", err)
+	}
+	d.SetId(name)
+	return []*schema.ResourceData{d}, nil