(feat) add ListActiveSources and SourceHeartbeat

account.proto

@@ -150,6 +150,12 @@ service ManagementService {
     // Deletes a source from a user's account
     rpc DeleteSource(DeleteSourceRequest) returns (DeleteSourceResponse);
 
+    // Sources heartbeat and health
+    // List of all active sources and their health, includes managed and local sources
+    rpc ListActiveSources(ListActiveSourcesRequest) returns (ListActiveSourcesResponse);
+    // Heartbeat of a source
+    rpc SourceHeartbeat(SubmitSourceHeartbeat) returns (SourceHeartbeatResponse);
+
     // Updates sources to keep them running in the background. This can be used
     // to add explicit action, when the built-in keepalives are not sufficient.
     rpc KeepaliveSources(KeepaliveSourcesRequest) returns (KeepaliveSourcesResponse);
@@ -301,6 +307,71 @@ message SourceKeepaliveResult {
     string Error = 3;
 }
 
+message ListActiveSourcesRequest {}
+
+enum ActiveSourceStatus {
+    ACTIVE_SOURCE_STATUS_HEALTHY = 0;
+    ACTIVE_SOURCE_STATUS_UNHEALTHY = 1;
+    ACTIVE_SOURCE_STATUS_DISCONNECTED = 2;
+}
+
+// Whether the source is managed by srcman or was created by the user locally
+enum SourceManaged {
+    MANAGED = 0;
+    LOCAL = 1;
+}
+
+message ActiveSource {
+    // The UUID of the source
+    bytes UUID = 1;
+    // The version of the source
+    string Version  = 2;
+    // The name of the source
+    string Name = 3;
+    // The error message if the source is unhealthy
+    optional string Error = 4;
+    // The status of the source, this is calculated based on the last heartbeat received and if there is an error
+    ActiveSourceStatus Status = 5;
+    // The last time the source sent a heartbeat
+    google.protobuf.Timestamp LastHeartbeat = 6;
+    // The type of the source, AWS or Stdlib or Kubernetes
+    string Type = 7;
+    // Whether the source is managed, or local
+    SourceManaged Managed = 8;
+    // The types of sources that this source can discover
+    repeated string availableTypes = 9;
+    // The scopes that this source can discover
+    repeated string availableScopes = 10;
+}
+
+message ListActiveSourcesResponse {
+    repeated ActiveSource source = 1;
+}
+
+// The source sends a heartbeat to the API to let it know that it is still alive, note it does not give a status.
+message SubmitSourceHeartbeat {
+    // The UUID of the source that is sending the heartbeat
+    bytes UUID = 1;
+    // The version of the source
+    string Version = 2;
+    // The name of the source
+    string Name = 3;
+    // The error message if the source is unhealthy
+    optional string Error = 4;
+    // When the source will send the next heartbeat by
+    google.protobuf.Timestamp NextHeartbeat = 5;
+    // The type of the source, AWS or Stdlib or Kubernetes
+    string Type = 6;
+    // Whether the source is managed, or local
+    SourceManaged Managed = 7;
+    // The types of sources that this source can discover
+    repeated string availableTypes = 8;
+    // The scopes that this source can discover
+    repeated string availableScopes = 9;
+}
+
+message SourceHeartbeatResponse {}
+
 message KeepaliveSourcesRequest {
     // Set to true to have the API call wait until the source is up and healthy
     bool waitForHealthy = 1;