move protobuf from GreptimeDB (#1)

* move protobuf from GreptimeDB * add license check * add other github actions
2023-02-09 14:59:48 +08:00
parent 39fa4e3c28
commit 6fadcf8c7a
22 changed files with 1326 additions and 0 deletions
@@ -0,0 +1,92 @@
+syntax = "proto3";
+
+package greptime.v1.meta;
+
+import "greptime/v1/meta/common.proto";
+
+service Heartbeat {
+  // Heartbeat, there may be many contents of the heartbeat, such as:
+  // 1. Metadata to be registered to meta server and discoverable by other nodes.
+  // 2. Some performance metrics, such as Load, CPU usage, etc.
+  // 3. The number of computing tasks being executed.
+  rpc Heartbeat(stream HeartbeatRequest) returns (stream HeartbeatResponse) {}
+
+  // Ask leader's endpoint.
+  rpc AskLeader(AskLeaderRequest) returns (AskLeaderResponse) {}
+}
+
+message HeartbeatRequest {
+  RequestHeader header = 1;
+
+  // Self peer
+  Peer peer = 2;
+  // Leader node
+  bool is_leader = 3;
+  // Actually reported time interval
+  TimeInterval report_interval = 4;
+  // Node stat
+  NodeStat node_stat = 5;
+  // Region stats on this node
+  repeated RegionStat region_stats = 6;
+  // Follower nodes and stats, empty on follower nodes
+  repeated ReplicaStat replica_stats = 7;
+}
+
+message NodeStat {
+  // The read capacity units during this period
+  int64 rcus = 1;
+  // The write capacity units during this period
+  int64 wcus = 2;
+  // How many tables on this node
+  int64 table_num = 3;
+  // How many regions on this node
+  int64 region_num = 4;
+
+  double cpu_usage = 5;
+  double load = 6;
+  // Read disk IO on this node
+  double read_io_rate = 7;
+  // Write disk IO on this node
+  double write_io_rate = 8;
+
+  // Others
+  map<string, string> attrs = 100;
+}
+
+message RegionStat {
+  uint64 region_id = 1;
+  TableName table_name = 2;
+  // The read capacity units during this period
+  int64 rcus = 3;
+  // The write capacity units during this period
+  int64 wcus = 4;
+  // Approximate bytes of this region
+  int64 approximate_bytes = 5;
+  // Approximate number of rows in this region
+  int64 approximate_rows = 6;
+
+  // Others
+  map<string, string> attrs = 100;
+}
+
+message ReplicaStat {
+  Peer peer = 1;
+  bool in_sync = 2;
+  bool is_learner = 3;
+}
+
+message HeartbeatResponse {
+  ResponseHeader header = 1;
+
+  repeated bytes payload = 2;
+}
+
+message AskLeaderRequest {
+  RequestHeader header = 1;
+}
+
+message AskLeaderResponse {
+  ResponseHeader header = 1;
+
+  Peer leader = 2;
+}