Add platform label to interfaces

This used to be a separate field. Adding it back as a label.

PiperOrigin-RevId: 297680529
Change-Id: I2fed1222f45182467c0f8e07f9b58e6b7f7c8601

lib/dam/config_test.go

@@ -47,7 +47,7 @@ func TestConfigHandlers(t *testing.T) {
 
 	role := `{"roleCategories":["metadata"],"policyBasis":{"AcceptedTermsAndPolicies":true,"ResearcherStatus":true}}`
 	roles := `{"discovery":` + role + `}`
-	beacon := `{"serviceTemplate":"beacon",*,"contentTypes":["application/bam"],"roles":` + roles + `,"ui":{"description":"Search data from Beacon Discovery","label":"Beacon Discovery"},"interfaces":{"http:beacon":{"uri":["https://gatekeeper-cafe-variome.staging.dnastack.com/beacon/query"],"labels":{*}}}}`
+	beacon := `{"serviceTemplate":"beacon",*,"contentTypes":["application/bam"],"roles":` + roles + `,"ui":{"description":"Search data from Beacon Discovery","label":"Beacon Discovery"},"interfaces":{"http:beacon":{"uri":["https://gatekeeper-cafe-variome.staging.dnastack.com/beacon/query"],"labels":{*"platform":"oauth"*}}}}`
 	views := `{"beacon":` + beacon + `,"gcs_read":{"serviceTemplate":"gcs",*,"contentTypes":["application/bam"],"roles":{"viewer":{"roleCategories":["list","metadata","read"],"policyBasis":{"AcceptedTermsAndPolicies":true,"ResearcherStatus":true}}},"ui":{"description":"GCS File Read","label":"File Read"},"interfaces":{"gcp:gs":{"uri":["gs://ga4gh-apis-controlled-access"],"labels":{*}},"http:gcp:gs":{"uri":["https://www.googleapis.com/storage/v1/b/ga4gh-apis-controlled-access"],"labels":{*}}}}}`
 	resource := `{"views":` + views + `,"maxTokenTtl":"1h","ui":{"applyUrl":"http://apply.ga4gh-apis.org","description":"Google demo of GA4GH APIs","imageUrl":"https://info.ga4gh-apis.org/images/image.jpg","infoUrl":"http://info.ga4gh-apis.org","label":"GA4GH APIs","troubleshootUrl":"http://troubleshoot.ga4gh-apis.org"}}`
 

lib/dam/dam.go

@@ -803,7 +803,7 @@ func makeViewInterfaces(srcView *pb.View, srcRes *pb.Resource, cfg *pb.DamConfig
 				if !hasItemVariable(uriFmt) {
 					// Accept this string that has no more variables to replace.
 					uriMap[uriFmt] = srcView.Labels
-					if len(item.Labels) > 0 {
+					if srcView.Labels == nil || srcView.Labels["platform"] == "" || len(item.Labels) > 0 {
 						// Merge label lists for this item, with item.Labels overriding any view.Labels.
 						labels := make(map[string]string)
 						for k, v := range srcView.Labels {
@@ -812,6 +812,10 @@ func makeViewInterfaces(srcView *pb.View, srcRes *pb.Resource, cfg *pb.DamConfig
 						for k, v := range item.Labels {
 							labels[k] = v
 						}
+						if desc := tas.Descriptors[st.ServiceName]; desc != nil {
+							labels["platform"] = desc.Platform
+						}
+						uriMap[uriFmt] = labels
 					}
 				}
 			}