Create tempo.proto

lib/tempo.proto

@@ -0,0 +1,52 @@
+syntax="proto3";
+
+package tempopb;
+
+message TraceByIDResponse {
+  Trace trace = 1;
+  TraceByIDMetrics metrics = 2;
+}
+
+message TraceByIDMetrics {
+  uint32 failedBlocks = 1;
+}
+
+message SearchResponse {
+  repeated TraceSearchMetadata traces = 1;
+  SearchMetrics metrics = 2;
+}
+
+message TraceSearchMetadata {
+  string traceID = 1;
+  string rootServiceName = 2;
+  string rootTraceName = 3;
+  uint64 startTimeUnixNano = 4;
+  uint32 durationMs = 5;
+}
+
+message SearchMetrics {
+  uint32 inspectedTraces = 1;
+  uint64 inspectedBytes = 2;
+  uint32 inspectedBlocks = 3;
+  uint32 skippedBlocks = 4;
+}
+
+message SearchTagsRequest {
+}
+
+message SearchTagsResponse {
+  repeated string tagNames = 1;
+}
+
+message SearchTagValuesRequest {
+  string tagName = 1;
+}
+
+message SearchTagValuesResponse {
+  repeated string tagValues = 1;
+}
+
+message TraceBytes {
+  // pre-marshalled Traces
+  repeated bytes traces = 1;
+}