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package incrementalalterconfigs
import (
"errors"
"strconv"
"github.com/segmentio/kafka-go/protocol"
)
const (
resourceTypeBroker int8 = 4
)
func init() {
protocol.Register(&Request{}, &Response{})
}
// Detailed API definition: https://kafka.apache.org/protocol#The_Messages_IncrementalAlterConfigs
type Request struct {
Resources []RequestResource `kafka:"min=v0,max=v0"`
ValidateOnly bool `kafka:"min=v0,max=v0"`
}
type RequestResource struct {
ResourceType int8 `kafka:"min=v0,max=v0"`
ResourceName string `kafka:"min=v0,max=v0"`
Configs []RequestConfig `kafka:"min=v0,max=v0"`
}
type RequestConfig struct {
Name string `kafka:"min=v0,max=v0"`
ConfigOperation int8 `kafka:"min=v0,max=v0"`
Value string `kafka:"min=v0,max=v0,nullable"`
}
func (r *Request) ApiKey() protocol.ApiKey { return protocol.IncrementalAlterConfigs }
func (r *Request) Broker(cluster protocol.Cluster) (protocol.Broker, error) {
// Check that at most only one broker is being updated.
//
// TODO: Support updating multiple brokers in a single request.
brokers := map[string]struct{}{}
for _, resource := range r.Resources {
if resource.ResourceType == resourceTypeBroker {
brokers[resource.ResourceName] = struct{}{}
}
}
if len(brokers) > 1 {
return protocol.Broker{},
errors.New("Updating more than one broker in a single request is not supported yet")
}
for _, resource := range r.Resources {
if resource.ResourceType == resourceTypeBroker {
brokerID, err := strconv.Atoi(resource.ResourceName)
if err != nil {
return protocol.Broker{}, err
}
return cluster.Brokers[int32(brokerID)], nil
}
}
return cluster.Brokers[cluster.Controller], nil
}
type Response struct {
ThrottleTimeMs int32 `kafka:"min=v0,max=v0"`
Responses []ResponseAlterResponse `kafka:"min=v0,max=v0"`
}
type ResponseAlterResponse struct {
ErrorCode int16 `kafka:"min=v0,max=v0"`
ErrorMessage string `kafka:"min=v0,max=v0,nullable"`
ResourceType int8 `kafka:"min=v0,max=v0"`
ResourceName string `kafka:"min=v0,max=v0"`
}
func (r *Response) ApiKey() protocol.ApiKey { return protocol.IncrementalAlterConfigs }
|
