feat(telemetry): record cloud hosted UUID

src/common/src/telemetry/mod.rs

@@ -39,6 +39,8 @@ pub const TELEMETRY_CLUSTER_TYPE_KUBERNETES: &str = "kubernetes";
 pub const TELEMETRY_CLUSTER_TYPE_SINGLE_NODE: &str = "single-node";
 pub const TELEMETRY_CLUSTER_TYPE_DOCKER_COMPOSE: &str = "docker-compose";
 
+pub use risingwave_telemetry_event::get_telemetry_risingwave_cloud_uuid;
+
 pub fn telemetry_cluster_type_from_env_var() -> PbTelemetryClusterType {
     let cluster_type = match env::var(TELEMETRY_CLUSTER_TYPE) {
         Ok(cluster_type) => cluster_type,

src/common/src/telemetry/report.rs

@@ -14,6 +14,7 @@
 
 use std::sync::Arc;
 
+use risingwave_telemetry_event::get_telemetry_risingwave_cloud_uuid;
 pub use risingwave_telemetry_event::{
     current_timestamp, post_telemetry_report_pb, TELEMETRY_REPORT_URL, TELEMETRY_TRACKING_ID,
 };
@@ -65,15 +66,21 @@ where
         // fetch telemetry tracking_id from the meta node only at the beginning
         // There is only one case tracking_id updated at the runtime ---- etcd data has been
         // cleaned. There is no way that etcd has been cleaned but nodes are still running
-        let tracking_id = match info_fetcher.fetch_telemetry_info().await {
-            Ok(Some(id)) => id,
-            Ok(None) => {
-                tracing::info!("Telemetry is disabled");
-                return;
-            }
-            Err(err) => {
-                tracing::error!("Telemetry failed to get tracking_id, err {}", err);
-                return;
+        let tracking_id = {
+            if let Some(cloud_uuid) = get_telemetry_risingwave_cloud_uuid() {
+                cloud_uuid
+            } else {
+                match info_fetcher.fetch_telemetry_info().await {
+                    Ok(Some(id)) => id,
+                    Ok(None) => {
+                        tracing::info!("Telemetry is disabled");
+                        return;
+                    }
+                    Err(err) => {
+                        tracing::error!("Telemetry failed to get tracking_id, err {}", err);
+                        return;
+                    }
+                }
             }
         };
         TELEMETRY_TRACKING_ID

src/common/telemetry_event/src/lib.rs

@@ -16,6 +16,7 @@
 /// Keep the stats report module in the common/ module
 mod util;
 
+use std::env;
 use std::sync::OnceLock;
 
 use prost::Message;
@@ -34,6 +35,13 @@ pub static TELEMETRY_TRACKING_ID: OnceLock<String> = OnceLock::new();
 
 pub const TELEMETRY_REPORT_URL: &str = "https://telemetry.risingwave.dev/api/v2/report";
 
+// the UUID of the RisingWave Cloud (if the cluster is hosted on RisingWave Cloud)
+pub const TELEMETRY_RISINGWAVE_CLOUD_UUID: &str = "RISINGWAVE_CLOUD_UUID";
+
+pub fn get_telemetry_risingwave_cloud_uuid() -> Option<String> {
+    env::var(TELEMETRY_RISINGWAVE_CLOUD_UUID).ok()
+}
+
 pub fn report_event_common(
     event_stage: PbTelemetryEventStage,
     event_name: &str,