fix: restore removed federated_identities attribute to keycloak_user …

…data source, mark as deprecated

provider/data_source_keycloak_user.go

@@ -42,6 +42,12 @@ func dataSourceKeycloakUser() *schema.Resource {
 				Elem:     &schema.Schema{Type: schema.TypeString},
 				Computed: true,
 			},
+			"federated_identities": {
+				Type:       schema.TypeSet,
+				Elem:       &schema.Schema{Type: schema.TypeString},
+				Computed:   true,
+				Deprecated: "use federated_identity instead",
+			},
 			"enabled": {
 				Type:     schema.TypeBool,
 				Computed: true,
@@ -63,5 +69,17 @@ func dataSourceKeycloakUserRead(data *schema.ResourceData, meta interface{}) err
 
 	mapFromUserToData(data, user)
 
+	// handling deprecated "federated_identities" attribute
+	federatedIdentities := []interface{}{}
+	for _, federatedIdentity := range user.FederatedIdentities {
+		identity := map[string]interface{}{
+			"identity_provider": federatedIdentity.IdentityProvider,
+			"user_id":           federatedIdentity.UserId,
+			"user_name":         federatedIdentity.UserName,
+		}
+		federatedIdentities = append(federatedIdentities, identity)
+	}
+	data.Set("federated_identities", federatedIdentities)
+
 	return nil
 }