update config

ENV_VARS.md

@@ -57,6 +57,9 @@ Agents can be configured using environment variables:
 | TA_METRICS_CONFIG_ENDPOINT_CONFIG_LOGGING_FREQUENCY | Set the frequency at which metrics should be printed. Examples are '1s', '2m', '3h'. Default value is 30m |
 | TA_METRICS_CONFIG_LOGGING_ENABLED | Set this flag to print metrics in logs |
 | TA_METRICS_CONFIG_LOGGING_FREQUENCY | Set the frequency at which metrics should be printed. Examples are '1s', '2m', '3h'. Default value is 30m |
+| TA_METRICS_CONFIG_EXPORTER_ENABLED | When `true` metrics will be exported as spans from libtraceable |
+| TA_METRICS_CONFIG_EXPORTER_EXPORT_INTERVAL_MS | Max interval for calls to TPA |
+| TA_METRICS_CONFIG_EXPORTER_EXPORT_TIMEOUT_MS | Max timeout for calls to TPA |
 | TA_ENVIRONMENT | Represents the environment name of agent |
 | TA_SERVICE_NAME | From HT config |
 | TA_REPORTING_ENDPOINT | Represents the endpoint for reporting the traces For ZIPKIN reporter type use http://api.traceable.ai:9411/api/v2/spans For OTLP reporter type use http://api.traceable.ai:4317 |

gen/go/proto/v1/config.proto

@@ -218,12 +218,14 @@ message EndpointMetricsConfig {
 }
 
 message MetricsConfig {
-    // set this flag to enable metrics
-    google.protobuf.BoolValue enabled = 1;
-    // endpoint level configuration
-    EndpointMetricsConfig endpoint_config = 2;
-    // config for printing metrics in logs
-    MetricsLogConfig logging = 3;
+  // set this flag to enable metrics
+  google.protobuf.BoolValue enabled = 1;
+  // endpoint level configuration
+  EndpointMetricsConfig endpoint_config = 2;
+  // config for printing metrics in logs
+  MetricsLogConfig logging = 3;
+  // config for exporting metrics to Traceable Platform
+  MetricsExporterConfig exporter = 4;
 }
 
 enum SpanType {
@@ -377,3 +379,12 @@ message Telemetry {
   // See https://github.com/open-telemetry/opentelemetry-go/tree/main/metric
   google.protobuf.BoolValue metrics_enabled = 2;
 }
+
+message MetricsExporterConfig {
+  // when `true` metrics will be exported as spans from libtraceable
+  google.protobuf.BoolValue enabled = 1;
+  // max interval for calls to TPA
+  google.protobuf.Int32Value export_interval_ms  = 2;
+  // max timeout for calls to TPA
+  google.protobuf.Int32Value export_timeout_ms  = 3;
+}