feat: add extension field to HeartbeatRequest

Cargo.toml

@@ -120,7 +120,7 @@ etcd-client = { version = "0.13" }
 fst = "0.4.7"
 futures = "0.3"
 futures-util = "0.3"
-greptime-proto = { git = "https://github.com/GreptimeTeam/greptime-proto.git", rev = "c437b55725b7f5224fe9d46db21072b4a682ee4b" }
+greptime-proto = { git = "https://github.com/GreptimeTeam/greptime-proto.git", rev = "157cfdb52709e489cf1f3ce8e3042ed4ee8a524a" }
 humantime = "2.1"
 humantime-serde = "1.1"
 itertools = "0.10"

src/api/src/region.rs

@@ -21,22 +21,22 @@ use greptime_proto::v1::region::RegionResponse as RegionResponseV1;
 #[derive(Debug)]
 pub struct RegionResponse {
     pub affected_rows: AffectedRows,
-    pub extension: HashMap<String, Vec<u8>>,
+    pub extensions: HashMap<String, Vec<u8>>,
 }
 
 impl RegionResponse {
     pub fn from_region_response(region_response: RegionResponseV1) -> Self {
         Self {
             affected_rows: region_response.affected_rows as _,
-            extension: region_response.extension,
+            extensions: region_response.extensions,
         }
     }
 
     /// Creates one response without extension
     pub fn new(affected_rows: AffectedRows) -> Self {
         Self {
             affected_rows,
-            extension: Default::default(),
+            extensions: Default::default(),
         }
     }
 }

src/common/meta/src/ddl/alter_logical_tables.rs

@@ -131,7 +131,7 @@ impl AlterLogicalTablesProcedure {
         let phy_raw_schemas = future::join_all(alter_region_tasks)
             .await
             .into_iter()
-            .map(|res| res.map(|mut res| res.extension.remove(ALTER_PHYSICAL_EXTENSION_KEY)))
+            .map(|res| res.map(|mut res| res.extensions.remove(ALTER_PHYSICAL_EXTENSION_KEY)))
             .collect::<Result<Vec<_>>>()?;
 
         if phy_raw_schemas.is_empty() {

src/common/meta/src/ddl/create_logical_tables.rs

@@ -157,7 +157,7 @@ impl CreateLogicalTablesProcedure {
         let phy_raw_schemas = join_all(create_region_tasks)
             .await
             .into_iter()
-            .map(|res| res.map(|mut res| res.extension.remove(ALTER_PHYSICAL_EXTENSION_KEY)))
+            .map(|res| res.map(|mut res| res.extensions.remove(ALTER_PHYSICAL_EXTENSION_KEY)))
             .collect::<Result<Vec<_>>>()?;
 
         if phy_raw_schemas.is_empty() {

src/datanode/src/heartbeat.rs

@@ -324,10 +324,12 @@ impl HeartbeatTask {
                 region_id: stat.region_id.as_u64(),
                 engine: stat.engine,
                 role: RegionRole::from(stat.role).into(),
-                // TODO(jeremy): w/rcus
+                // TODO(weny): w/rcus
                 rcus: 0,
                 wcus: 0,
                 approximate_bytes: region_server.region_disk_usage(stat.region_id).unwrap_or(0),
+                // TODO(weny): add extensions
+                extensions: Default::default(),
             })
             .collect()
     }

src/datanode/src/region_server.rs

@@ -366,10 +366,10 @@ impl RegionServerHandler for RegionServer {
 
         // merge results by sum up affected rows and merge extensions.
         let mut affected_rows = 0;
-        let mut extension = HashMap::new();
+        let mut extensions = HashMap::new();
         for result in results {
             affected_rows += result.affected_rows;
-            extension.extend(result.extension);
+            extensions.extend(result.extensions);
         }
 
         Ok(RegionResponseV1 {
@@ -380,7 +380,7 @@ impl RegionServerHandler for RegionServer {
                 }),
             }),
             affected_rows: affected_rows as _,
-            extension,
+            extensions,
         })
     }
 }
@@ -708,7 +708,7 @@ impl RegionServerInner {
                     .await?;
                 Ok(RegionResponse {
                     affected_rows: result.affected_rows,
-                    extension: result.extension,
+                    extensions: result.extensions,
                 })
             }
             Err(err) => {

src/meta-srv/src/handler/failure_handler.rs

@@ -93,6 +93,7 @@ mod tests {
                 approximate_bytes: 0,
                 engine: default_engine().to_string(),
                 role: RegionRole::Follower,
+                extensions: Default::default(),
             }
         }
         acc.stat = Some(Stat {

src/meta-srv/src/handler/node_stat.rs

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use std::collections::HashSet;
+use std::collections::{HashMap, HashSet};
 
 use api::v1::meta::HeartbeatRequest;
 use common_meta::ClusterId;
@@ -57,6 +57,8 @@ pub struct RegionStat {
     pub engine: String,
     /// The region role.
     pub role: RegionRole,
+    /// The extension info of this region
+    pub extensions: HashMap<String, Vec<u8>>,
 }
 
 impl Stat {
@@ -142,6 +144,7 @@ impl TryFrom<api::v1::meta::RegionStat> for RegionStat {
             approximate_bytes: value.approximate_bytes,
             engine: value.engine.to_string(),
             role: RegionRole::from(value.role()),
+            extensions: value.extensions,
         })
     }
 }

src/meta-srv/src/handler/region_lease_handler.rs

@@ -135,6 +135,7 @@ mod test {
             wcus: 0,
             approximate_bytes: 0,
             engine: String::new(),
+            extensions: Default::default(),
         }
     }
 

src/meta-srv/src/procedure/utils.rs

@@ -100,7 +100,7 @@ pub mod mock {
                     }),
                 }),
                 affected_rows: 0,
-                extension: Default::default(),
+                extensions: Default::default(),
             })
         }
     }

src/meta-srv/src/selector/weight_compute.rs

@@ -199,6 +199,7 @@ mod tests {
                 approximate_bytes: 1,
                 engine: "mito2".to_string(),
                 role: RegionRole::Leader,
+                extensions: Default::default(),
             }],
             ..Default::default()
         }
@@ -215,6 +216,7 @@ mod tests {
                 approximate_bytes: 1,
                 engine: "mito2".to_string(),
                 role: RegionRole::Leader,
+                extensions: Default::default(),
             }],
             ..Default::default()
         }
@@ -231,6 +233,7 @@ mod tests {
                 approximate_bytes: 1,
                 engine: "mito2".to_string(),
                 role: RegionRole::Leader,
+                extensions: Default::default(),
             }],
             ..Default::default()
         }

src/metric-engine/src/engine.rs

@@ -162,7 +162,7 @@ impl RegionEngine for MetricEngine {
 
         result.map_err(BoxedError::new).map(|rows| RegionResponse {
             affected_rows: rows,
-            extension: extension_return_value,
+            extensions: extension_return_value,
         })
     }
 

src/operator/src/flow.rs

@@ -119,7 +119,7 @@ impl FlowServiceOperator {
             if let Some(prev) = &mut final_result {
                 prev.affected_rows = res.affected_rows;
                 prev.affected_flows.extend(res.affected_flows);
-                prev.extension.extend(res.extension);
+                prev.extensions.extend(res.extensions);
             } else {
                 final_result = Some(res);
             }