fix(proto): use fuller ranges of supported proto

admin.go

@@ -987,9 +987,28 @@ func (ca *clusterAdmin) ListConsumerGroupOffsets(group string, topicPartitions m
 		partitions:    topicPartitions,
 	}
 
-	if ca.conf.Version.IsAtLeast(V0_10_2_0) {
+	if ca.conf.Version.IsAtLeast(V2_5_0_0) {
+		// Version 7 is adding the require stable flag.
+		request.Version = 7
+	} else if ca.conf.Version.IsAtLeast(V2_4_0_0) {
+		// Version 6 is the first flexible version.
+		request.Version = 6
+	} else if ca.conf.Version.IsAtLeast(V2_1_0_0) {
+		// Version 3, 4, and 5 are the same as version 2.
+		request.Version = 5
+	} else if ca.conf.Version.IsAtLeast(V2_0_0_0) {
+		request.Version = 4
+	} else if ca.conf.Version.IsAtLeast(V0_11_0_0) {
+		request.Version = 3
+	} else if ca.conf.Version.IsAtLeast(V0_10_2_0) {
+		// Starting in version 2, the request can contain a null topics array to indicate that offsets
+		// for all topics should be fetched. It also returns a top level error code
+		// for group or coordinator level errors.
 		request.Version = 2
-	} else if ca.conf.Version.IsAtLeast(V0_8_2_2) {
+	} else if ca.conf.Version.IsAtLeast(V0_8_2_0) {
+		// In version 0, the request read offsets from ZK.
+		//
+		// Starting in version 1, the broker supports fetching offsets from the internal __consumer_offsets topic.
 		request.Version = 1
 	}
 

client.go

@@ -1197,9 +1197,14 @@ func (client *client) findCoordinator(coordinatorKey string, coordinatorType Coo
 		request.CoordinatorKey = coordinatorKey
 		request.CoordinatorType = coordinatorType
 
+		// Version 1 adds KeyType.
 		if client.conf.Version.IsAtLeast(V0_11_0_0) {
 			request.Version = 1
 		}
+		// Version 2 is the same as version 1.
+		if client.conf.Version.IsAtLeast(V2_0_0_0) {
+			request.Version = 2
+		}
 
 		response, err := broker.FindCoordinator(request)
 		if err != nil {

consumer_group.go

@@ -534,7 +534,16 @@ func (c *consumerGroup) heartbeatRequest(coordinator *Broker, memberID string, g
 		MemberId:     memberID,
 		GenerationId: generationID,
 	}
-	if c.groupInstanceId != nil {
+
+	// Version 1 and version 2 are the same as version 0.
+	if c.config.Version.IsAtLeast(V0_11_0_0) {
+		req.Version = 1
+	}
+	if c.config.Version.IsAtLeast(V2_0_0_0) {
+		req.Version = 2
+	}
+	// Starting from version 3, we add a new field called groupInstanceId to indicate member identity across restarts.
+	if c.config.Version.IsAtLeast(V2_3_0_0) {
 		req.Version = 3
 		req.GroupInstanceId = c.groupInstanceId
 	}

heartbeat_request.go

@@ -72,7 +72,9 @@ func (r *HeartbeatRequest) requiredVersion() KafkaVersion {
 		return V2_0_0_0
 	case 1:
 		return V0_11_0_0
+	case 0:
+		return V0_8_2_0
 	default:
-		return V0_9_0_0
+		return V2_3_0_0
 	}
 }

heartbeat_response.go

@@ -57,8 +57,10 @@ func (r *HeartbeatResponse) requiredVersion() KafkaVersion {
 		return V2_0_0_0
 	case 1:
 		return V0_11_0_0
+	case 0:
+		return V0_8_2_0
 	default:
-		return V0_9_0_0
+		return V2_3_0_0
 	}
 }
 

leave_group_request.go

@@ -93,7 +93,9 @@ func (r *LeaveGroupRequest) requiredVersion() KafkaVersion {
 		return V2_0_0_0
 	case 1:
 		return V0_11_0_0
-	default:
+	case 0:
 		return V0_9_0_0
+	default:
+		return V2_4_0_0
 	}
 }

leave_group_response.go

@@ -97,8 +97,10 @@ func (r *LeaveGroupResponse) requiredVersion() KafkaVersion {
 		return V2_0_0_0
 	case 1:
 		return V0_11_0_0
-	default:
+	case 0:
 		return V0_9_0_0
+	default:
+		return V2_4_0_0
 	}
 }
 

offset_fetch_request.go

@@ -177,22 +177,24 @@ func (r *OffsetFetchRequest) isValidVersion() bool {
 
 func (r *OffsetFetchRequest) requiredVersion() KafkaVersion {
 	switch r.Version {
-	case 1:
-		return V0_8_2_0
-	case 2:
-		return V0_10_2_0
-	case 3:
-		return V0_11_0_0
-	case 4:
-		return V2_0_0_0
-	case 5:
-		return V2_1_0_0
-	case 6:
-		return V2_4_0_0
 	case 7:
 		return V2_5_0_0
+	case 6:
+		return V2_4_0_0
+	case 5:
+		return V2_1_0_0
+	case 4:
+		return V2_0_0_0
+	case 3:
+		return V0_11_0_0
+	case 2:
+		return V0_10_2_0
+	case 1:
+		return V0_8_2_0
+	case 0:
+		return V0_8_2_0
 	default:
-		return MinVersion
+		return V2_5_0_0
 	}
 }
 

offset_fetch_response.go

@@ -242,22 +242,24 @@ func (r *OffsetFetchResponse) isValidVersion() bool {
 
 func (r *OffsetFetchResponse) requiredVersion() KafkaVersion {
 	switch r.Version {
-	case 1:
-		return V0_8_2_0
-	case 2:
-		return V0_10_2_0
-	case 3:
-		return V0_11_0_0
-	case 4:
-		return V2_0_0_0
-	case 5:
-		return V2_1_0_0
-	case 6:
-		return V2_4_0_0
 	case 7:
 		return V2_5_0_0
+	case 6:
+		return V2_4_0_0
+	case 5:
+		return V2_1_0_0
+	case 4:
+		return V2_0_0_0
+	case 3:
+		return V0_11_0_0
+	case 2:
+		return V0_10_2_0
+	case 1:
+		return V0_8_2_0
+	case 0:
+		return V0_8_2_0
 	default:
-		return MinVersion
+		return V2_5_0_0
 	}
 }