(feat) add ListActiveSources and SourceHeartbeat

account.proto

@@ -1,5 +1,6 @@
 syntax = "proto3";
 
+import "google/protobuf/duration.proto";
 import "google/protobuf/struct.proto";
 import "google/protobuf/timestamp.proto";
 
@@ -150,6 +151,12 @@ service ManagementService {
     // Deletes a source from a user's account
     rpc DeleteSource(DeleteSourceRequest) returns (DeleteSourceResponse);
 
+    // Sources heartbeat and health
+    // List of all recently active sources and their health, includes managed and local sources
+    rpc ListAllSourcesStatus(ListAllSourcesStatusRequest) returns (ListAllSourcesStatusResponse);
+    // Heartbeat from a source to keep it registered and healthy
+    rpc SubmitSourceHeartbeat(SubmitSourceHeartbeatRequest) returns (SubmitSourceHeartbeatResponse);
+
     // 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 +308,71 @@ message SourceKeepaliveResult {
     string Error = 3;
 }
 
+message ListAllSourcesStatusRequest {}
+
+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 SourceHealth {
+    // 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 we received a heartbeat from the source
+    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 ListAllSourcesStatusResponse {
+    repeated SourceHealth 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 SubmitSourceHeartbeatRequest {
+    // 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;
+    // The interval until the source will send the next heartbeat, e.g. 10s
+    google.protobuf.Duration 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 SubmitSourceHeartbeatResponse {}
+
 message KeepaliveSourcesRequest {
     // Set to true to have the API call wait until the source is up and healthy
     bool waitForHealthy = 1;