refactore subscription validation

adapter/api/proto/wso2/discovery/subscription/application_key_mapping.proto

@@ -33,4 +33,5 @@ message ApplicationKeyMapping {
   string keyType = 4;
   string envID = 5;
   int64 timestamp = 6;
+  string organization = 7;
 }

adapter/api/proto/wso2/discovery/subscription/applicationmapping.proto

@@ -30,4 +30,5 @@ message ApplicationMapping {
     string uuid = 1;
     string applicationRef = 2;
     string subscriptionRef = 3;
+    string organization = 4;
 }

adapter/internal/adapter/adapter.go

@@ -118,7 +118,6 @@ func runManagementServer(conf *config.Config, server xdsv3.Server, enforcerServe
 	discoveryv3.RegisterAggregatedDiscoveryServiceServer(grpcServer, server)
 	configservice.RegisterConfigDiscoveryServiceServer(grpcServer, enforcerServer)
 	apiservice.RegisterApiDiscoveryServiceServer(grpcServer, enforcerServer)
-	subscriptionservice.RegisterApiListDiscoveryServiceServer(grpcServer, enforcerAPIDsSrv)
 	subscriptionservice.RegisterJWTIssuerDiscoveryServiceServer(grpcServer, enforcerJwtIssuerDsSrv)
 	// register health service
 	healthservice.RegisterHealthServer(grpcServer, &health.Server{})

adapter/internal/discovery/xds/marshaller.go

@@ -18,18 +18,8 @@
 package xds
 
 import (
-	"strconv"
-
 	"github.com/wso2/apk/adapter/config"
-	logger "github.com/wso2/apk/adapter/internal/loggers"
 	"github.com/wso2/apk/adapter/pkg/discovery/api/wso2/discovery/config/enforcer"
-	"github.com/wso2/apk/adapter/pkg/discovery/api/wso2/discovery/subscription"
-	"github.com/wso2/apk/adapter/pkg/eventhub/types"
-)
-
-var (
-	// APIListMap has the following mapping label -> apiUUID -> API (Metadata)
-	APIListMap map[string]map[string]*subscription.APIs
 )
 
 // EventType is a enum to distinguish Create, Update and Delete Events
@@ -174,105 +164,3 @@ func marshalAnalyticsPublishers(config config.Config) []*enforcer.AnalyticsPubli
 	}
 	return resolvedAnalyticsPublishers
 }
-
-// marshalAPIListMapToList converts the data into APIList proto type
-func marshalAPIListMapToList(apiMap map[string]*subscription.APIs) *subscription.APIList {
-	apis := []*subscription.APIs{}
-	for _, api := range apiMap {
-		apis = append(apis, api)
-	}
-
-	return &subscription.APIList{
-		List: apis,
-	}
-}
-
-// MarshalAPIMetataAndReturnList updates the internal APIListMap and returns the XDS compatible APIList.
-// apiList is the internal APIList object (For single API, this would contain a List with just one API)
-// initialAPIUUIDListMap is assigned during startup when global adapter is associated. This would be empty otherwise.
-// gatewayLabel is the environment.
-func MarshalAPIMetataAndReturnList(apiList *types.APIList, initialAPIUUIDListMap map[string]int, gatewayLabel string) *subscription.APIList {
-
-	if APIListMap == nil {
-		APIListMap = make(map[string]map[string]*subscription.APIs)
-	}
-	// var resourceMapForLabel map[string]*subscription.APIs
-	if _, ok := APIListMap[gatewayLabel]; !ok {
-		APIListMap[gatewayLabel] = make(map[string]*subscription.APIs)
-	}
-	resourceMapForLabel := APIListMap[gatewayLabel]
-	for item := range apiList.List {
-		api := apiList.List[item]
-		// initialAPIUUIDListMap is not null if the adapter is running with global adapter enabled, and it is
-		// the first method invocation.
-		if initialAPIUUIDListMap != nil {
-			if _, ok := initialAPIUUIDListMap[api.UUID]; !ok {
-				continue
-			}
-		}
-		newAPI := marshalAPIMetadata(&api)
-		resourceMapForLabel[api.UUID] = newAPI
-	}
-	return marshalAPIListMapToList(resourceMapForLabel)
-}
-
-// DeleteAPIAndReturnList removes the API from internal maps and returns the marshalled API List.
-// If the apiUUID is not found in the internal map under the provided environment, then it would return a
-// nil value. Hence it is required to check if the return value is nil, prior to updating the XDS cache.
-func DeleteAPIAndReturnList(apiUUID, organizationUUID string, gatewayLabel string) *subscription.APIList {
-	if _, ok := APIListMap[gatewayLabel]; !ok {
-		logger.LoggerXds.Debugf("No API Metadata is available under gateway Environment : %s", gatewayLabel)
-		return nil
-	}
-	delete(APIListMap[gatewayLabel], apiUUID)
-	return marshalAPIListMapToList(APIListMap[gatewayLabel])
-}
-
-// MarshalAPIForLifeCycleChangeEventAndReturnList updates the internal map's API instances lifecycle state only if
-// stored API Instance's or input status event is a blocked event.
-// If no change is applied, it would return nil. Hence the XDS cache should not be updated.
-func MarshalAPIForLifeCycleChangeEventAndReturnList(apiUUID, status, gatewayLabel string) *subscription.APIList {
-	if _, ok := APIListMap[gatewayLabel]; !ok {
-		logger.LoggerXds.Debugf("No API Metadata is available under gateway Environment : %s", gatewayLabel)
-		return nil
-	}
-	if _, ok := APIListMap[gatewayLabel][apiUUID]; !ok {
-		logger.LoggerXds.Debugf("No API Metadata for API ID: %s is available under gateway Environment : %s",
-			apiUUID, gatewayLabel)
-		return nil
-	}
-	storedAPILCState := APIListMap[gatewayLabel][apiUUID].LcState
-
-	// Because the adapter only required to update the XDS if it is related to blocked state.
-	if !(storedAPILCState == blockedStatus || status == blockedStatus) {
-		return nil
-	}
-	APIListMap[gatewayLabel][apiUUID].LcState = status
-	return marshalAPIListMapToList(APIListMap[gatewayLabel])
-}
-
-func marshalAPIMetadata(api *types.API) *subscription.APIs {
-	return &subscription.APIs{
-		ApiId:            strconv.Itoa(api.APIID),
-		Name:             api.Name,
-		Provider:         api.Provider,
-		Version:          api.Version,
-		BasePath:         api.BasePath,
-		Policy:           api.Policy,
-		ApiType:          api.APIType,
-		Uuid:             api.UUID,
-		IsDefaultVersion: api.IsDefaultVersion,
-		LcState:          api.APIStatus,
-	}
-}
-
-// CheckIfAPIMetadataIsAlreadyAvailable returns true only if the API Metadata for the given API UUID
-// is already available
-func CheckIfAPIMetadataIsAlreadyAvailable(apiUUID, label string) bool {
-	if _, labelAvailable := APIListMap[label]; labelAvailable {
-		if _, apiAvailale := APIListMap[label][apiUUID]; apiAvailale {
-			return true
-		}
-	}
-	return false
-}

adapter/internal/discovery/xds/server.go

@@ -47,7 +47,6 @@ import (
 	"github.com/wso2/apk/adapter/internal/oasparser/envoyconf"
 	"github.com/wso2/apk/adapter/internal/oasparser/model"
 	operatorconsts "github.com/wso2/apk/adapter/internal/operator/constants"
-	disc_api "github.com/wso2/apk/adapter/pkg/discovery/api/wso2/discovery/api"
 	"github.com/wso2/apk/adapter/pkg/discovery/api/wso2/discovery/subscription"
 	wso2_cache "github.com/wso2/apk/adapter/pkg/discovery/protocol/cache/v3"
 	wso2_resource "github.com/wso2/apk/adapter/pkg/discovery/protocol/resource/v3"
@@ -326,6 +325,7 @@ func updateXdsCacheOnAPIChange(oldLabels []string, newLabels []string) bool {
 	for _, oldLabel := range oldLabels {
 		if !stringutils.StringInSlice(oldLabel, newLabels) {
 			listeners, clusters, routes, endpoints, apis := GenerateEnvoyResoucesForGateway(oldLabel)
+			GenerateEnvoyResoucesForGateway(oldLabel)
 			UpdateEnforcerApis(oldLabel, apis, "")
 			UpdateXdsCacheWithLock(oldLabel, endpoints, clusters, routes, listeners)
 			logger.LoggerXds.Debugf("Xds Cache is updated for the already existing label : %v", oldLabel)
@@ -533,22 +533,6 @@ func UpdateEnforcerApis(label string, apis []types.Resource, version string) {
 	}
 	logger.LoggerXds.Infof("New API cache update for the label: " + label + " version: " + fmt.Sprint(version))
 
-	subAPIs := []*subscription.APIs{}
-	for _, api := range apis {
-		subAPI := subscription.APIs{}
-		subAPI.ApiId = api.(*disc_api.Api).GetId()
-		subAPI.Name = api.(*disc_api.Api).GetTitle()
-		subAPI.Version = api.(*disc_api.Api).GetVersion()
-		subAPI.BasePath = api.(*disc_api.Api).GetBasePath()
-		subAPI.Policy = api.(*disc_api.Api).GetTier()
-		subAPI.ApiType = api.(*disc_api.Api).GetApiType()
-		subAPI.Uuid = api.(*disc_api.Api).GetId()
-		subAPIs = append(subAPIs, &subAPI)
-	}
-	subAPIList := &subscription.APIList{
-		List: subAPIs,
-	}
-	UpdateEnforcerAPIList(label, subAPIList)
 }
 
 // UpdateEnforcerJWTIssuers sets new update to the enforcer's Applications
@@ -571,25 +555,6 @@ func UpdateEnforcerJWTIssuers(jwtIssuers *subscription.JWTIssuerList) {
 	logger.LoggerXds.Infof("New JWTIssuer cache update for the label: " + label + " version: " + fmt.Sprint(version))
 }
 
-// UpdateEnforcerAPIList sets new update to the enforcer's Apis
-func UpdateEnforcerAPIList(label string, apis *subscription.APIList) {
-	logger.LoggerXds.Debugf("Updating Enforcer API Cache")
-	apiList := append(enforcerLabelMap[label].apiList, apis)
-
-	version, _ := crand.Int(crand.Reader, maxRandomBigInt())
-	snap, _ := wso2_cache.NewSnapshot(fmt.Sprint(version), map[wso2_resource.Type][]types.Resource{
-		wso2_resource.APIListType: apiList,
-	})
-	snap.Consistent()
-
-	errSetSnap := enforcerAPICache.SetSnapshot(context.Background(), label, snap)
-	if errSetSnap != nil {
-		logger.LoggerXds.ErrorC(logging.PrintError(logging.Error1414, logging.MAJOR, "Error while setting the snapshot : %v", errSetSnap.Error()))
-	}
-	enforcerLabelMap[label].apiList = apiList
-	logger.LoggerXds.Infof("New API List cache update for the label: " + label + " version: " + fmt.Sprint(version))
-}
-
 // UpdateXdsCacheWithLock uses mutex and lock to avoid different go routines updating XDS at the same time
 func UpdateXdsCacheWithLock(label string, endpoints []types.Resource, clusters []types.Resource, routes []types.Resource,
 	listeners []types.Resource) bool {