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admin.go
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admin.go
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package sarama
import (
"errors"
"fmt"
"math/rand"
"strconv"
"sync"
"time"
)
// ClusterAdmin is the administrative client for Kafka, which supports managing and inspecting topics,
// brokers, configurations and ACLs. The minimum broker version required is 0.10.0.0.
// Methods with stricter requirements will specify the minimum broker version required.
// You MUST call Close() on a client to avoid leaks
type ClusterAdmin interface {
// Creates a new topic. This operation is supported by brokers with version 0.10.1.0 or higher.
// It may take several seconds after CreateTopic returns success for all the brokers
// to become aware that the topic has been created. During this time, listTopics
// may not return information about the new topic.The validateOnly option is supported from version 0.10.2.0.
CreateTopic(topic string, detail *TopicDetail, validateOnly bool) error
// List the topics available in the cluster with the default options.
ListTopics() (map[string]TopicDetail, error)
// Describe some topics in the cluster.
DescribeTopics(topics []string) (metadata []*TopicMetadata, err error)
// Delete a topic. It may take several seconds after the DeleteTopic to returns success
// and for all the brokers to become aware that the topics are gone.
// During this time, listTopics may continue to return information about the deleted topic.
// If delete.topic.enable is false on the brokers, deleteTopic will mark
// the topic for deletion, but not actually delete them.
// This operation is supported by brokers with version 0.10.1.0 or higher.
DeleteTopic(topic string) error
// Increase the number of partitions of the topics according to the corresponding values.
// If partitions are increased for a topic that has a key, the partition logic or ordering of
// the messages will be affected. It may take several seconds after this method returns
// success for all the brokers to become aware that the partitions have been created.
// During this time, ClusterAdmin#describeTopics may not return information about the
// new partitions. This operation is supported by brokers with version 1.0.0 or higher.
CreatePartitions(topic string, count int32, assignment [][]int32, validateOnly bool) error
// Alter the replica assignment for partitions.
// This operation is supported by brokers with version 2.4.0.0 or higher.
AlterPartitionReassignments(topic string, assignment [][]int32) error
// Provides info on ongoing partitions replica reassignments.
// This operation is supported by brokers with version 2.4.0.0 or higher.
ListPartitionReassignments(topics string, partitions []int32) (topicStatus map[string]map[int32]*PartitionReplicaReassignmentsStatus, err error)
// Delete records whose offset is smaller than the given offset of the corresponding partition.
// This operation is supported by brokers with version 0.11.0.0 or higher.
DeleteRecords(topic string, partitionOffsets map[int32]int64) error
// Get the configuration for the specified resources.
// The returned configuration includes default values and the Default is true
// can be used to distinguish them from user supplied values.
// Config entries where ReadOnly is true cannot be updated.
// The value of config entries where Sensitive is true is always nil so
// sensitive information is not disclosed.
// This operation is supported by brokers with version 0.11.0.0 or higher.
DescribeConfig(resource ConfigResource) ([]ConfigEntry, error)
// Update the configuration for the specified resources with the default options.
// This operation is supported by brokers with version 0.11.0.0 or higher.
// The resources with their configs (topic is the only resource type with configs
// that can be updated currently Updates are not transactional so they may succeed
// for some resources while fail for others. The configs for a particular resource are updated automatically.
AlterConfig(resourceType ConfigResourceType, name string, entries map[string]*string, validateOnly bool) error
// IncrementalAlterConfig Incrementally Update the configuration for the specified resources with the default options.
// This operation is supported by brokers with version 2.3.0.0 or higher.
// Updates are not transactional so they may succeed for some resources while fail for others.
// The configs for a particular resource are updated automatically.
IncrementalAlterConfig(resourceType ConfigResourceType, name string, entries map[string]IncrementalAlterConfigsEntry, validateOnly bool) error
// Creates an access control list (ACL) which is bound to a specific resource.
// This operation is not transactional so it may succeed or fail.
// If you attempt to add an ACL that duplicates an existing ACL, no error will be raised, but
// no changes will be made. This operation is supported by brokers with version 0.11.0.0 or higher.
// Deprecated: Use CreateACLs instead.
CreateACL(resource Resource, acl Acl) error
// Creates access control lists (ACLs) which are bound to specific resources.
// This operation is not transactional so it may succeed for some ACLs while fail for others.
// If you attempt to add an ACL that duplicates an existing ACL, no error will be raised, but
// no changes will be made. This operation is supported by brokers with version 0.11.0.0 or higher.
CreateACLs([]*ResourceAcls) error
// Lists access control lists (ACLs) according to the supplied filter.
// it may take some time for changes made by createAcls or deleteAcls to be reflected in the output of ListAcls
// This operation is supported by brokers with version 0.11.0.0 or higher.
ListAcls(filter AclFilter) ([]ResourceAcls, error)
// Deletes access control lists (ACLs) according to the supplied filters.
// This operation is not transactional so it may succeed for some ACLs while fail for others.
// This operation is supported by brokers with version 0.11.0.0 or higher.
DeleteACL(filter AclFilter, validateOnly bool) ([]MatchingAcl, error)
// List the consumer groups available in the cluster.
ListConsumerGroups() (map[string]string, error)
// Describe the given consumer groups.
DescribeConsumerGroups(groups []string) ([]*GroupDescription, error)
// List the consumer group offsets available in the cluster.
ListConsumerGroupOffsets(group string, topicPartitions map[string][]int32) (*OffsetFetchResponse, error)
// Deletes a consumer group offset
DeleteConsumerGroupOffset(group string, topic string, partition int32) error
// Delete a consumer group.
DeleteConsumerGroup(group string) error
// Get information about the nodes in the cluster
DescribeCluster() (brokers []*Broker, controllerID int32, err error)
// Get information about all log directories on the given set of brokers
DescribeLogDirs(brokers []int32) (map[int32][]DescribeLogDirsResponseDirMetadata, error)
// Get information about SCRAM users
DescribeUserScramCredentials(users []string) ([]*DescribeUserScramCredentialsResult, error)
// Delete SCRAM users
DeleteUserScramCredentials(delete []AlterUserScramCredentialsDelete) ([]*AlterUserScramCredentialsResult, error)
// Upsert SCRAM users
UpsertUserScramCredentials(upsert []AlterUserScramCredentialsUpsert) ([]*AlterUserScramCredentialsResult, error)
// Get client quota configurations corresponding to the specified filter.
// This operation is supported by brokers with version 2.6.0.0 or higher.
DescribeClientQuotas(components []QuotaFilterComponent, strict bool) ([]DescribeClientQuotasEntry, error)
// Alters client quota configurations with the specified alterations.
// This operation is supported by brokers with version 2.6.0.0 or higher.
AlterClientQuotas(entity []QuotaEntityComponent, op ClientQuotasOp, validateOnly bool) error
// Controller returns the cluster controller broker. It will return a
// locally cached value if it's available.
Controller() (*Broker, error)
// Remove members from the consumer group by given member identities.
// This operation is supported by brokers with version 2.3 or higher
// This is for static membership feature. KIP-345
RemoveMemberFromConsumerGroup(groupId string, groupInstanceIds []string) (*LeaveGroupResponse, error)
// Close shuts down the admin and closes underlying client.
Close() error
}
type clusterAdmin struct {
client Client
conf *Config
}
// NewClusterAdmin creates a new ClusterAdmin using the given broker addresses and configuration.
func NewClusterAdmin(addrs []string, conf *Config) (ClusterAdmin, error) {
client, err := NewClient(addrs, conf)
if err != nil {
return nil, err
}
admin, err := NewClusterAdminFromClient(client)
if err != nil {
client.Close()
}
return admin, err
}
// NewClusterAdminFromClient creates a new ClusterAdmin using the given client.
// Note that underlying client will also be closed on admin's Close() call.
func NewClusterAdminFromClient(client Client) (ClusterAdmin, error) {
// make sure we can retrieve the controller
_, err := client.Controller()
if err != nil {
return nil, err
}
ca := &clusterAdmin{
client: client,
conf: client.Config(),
}
return ca, nil
}
func (ca *clusterAdmin) Close() error {
return ca.client.Close()
}
func (ca *clusterAdmin) Controller() (*Broker, error) {
return ca.client.Controller()
}
func (ca *clusterAdmin) refreshController() (*Broker, error) {
return ca.client.RefreshController()
}
// isErrNoController returns `true` if the given error type unwraps to an
// `ErrNotController` response from Kafka
func isErrNoController(err error) bool {
return errors.Is(err, ErrNotController)
}
// retryOnError will repeatedly call the given (error-returning) func in the
// case that its response is non-nil and retryable (as determined by the
// provided retryable func) up to the maximum number of tries permitted by
// the admin client configuration
func (ca *clusterAdmin) retryOnError(retryable func(error) bool, fn func() error) error {
var err error
for attempt := 0; attempt < ca.conf.Admin.Retry.Max; attempt++ {
err = fn()
if err == nil || !retryable(err) {
return err
}
Logger.Printf(
"admin/request retrying after %dms... (%d attempts remaining)\n",
ca.conf.Admin.Retry.Backoff/time.Millisecond, ca.conf.Admin.Retry.Max-attempt)
time.Sleep(ca.conf.Admin.Retry.Backoff)
continue
}
return err
}
func (ca *clusterAdmin) CreateTopic(topic string, detail *TopicDetail, validateOnly bool) error {
if topic == "" {
return ErrInvalidTopic
}
if detail == nil {
return errors.New("you must specify topic details")
}
topicDetails := make(map[string]*TopicDetail)
topicDetails[topic] = detail
request := &CreateTopicsRequest{
TopicDetails: topicDetails,
ValidateOnly: validateOnly,
Timeout: ca.conf.Admin.Timeout,
}
if ca.conf.Version.IsAtLeast(V0_11_0_0) {
request.Version = 1
}
if ca.conf.Version.IsAtLeast(V1_0_0_0) {
request.Version = 2
}
return ca.retryOnError(isErrNoController, func() error {
b, err := ca.Controller()
if err != nil {
return err
}
rsp, err := b.CreateTopics(request)
if err != nil {
return err
}
topicErr, ok := rsp.TopicErrors[topic]
if !ok {
return ErrIncompleteResponse
}
if !errors.Is(topicErr.Err, ErrNoError) {
if errors.Is(topicErr.Err, ErrNotController) {
_, _ = ca.refreshController()
}
return topicErr
}
return nil
})
}
func (ca *clusterAdmin) DescribeTopics(topics []string) (metadata []*TopicMetadata, err error) {
controller, err := ca.Controller()
if err != nil {
return nil, err
}
request := NewMetadataRequest(ca.conf.Version, topics)
response, err := controller.GetMetadata(request)
if err != nil {
return nil, err
}
return response.Topics, nil
}
func (ca *clusterAdmin) DescribeCluster() (brokers []*Broker, controllerID int32, err error) {
controller, err := ca.Controller()
if err != nil {
return nil, int32(0), err
}
request := NewMetadataRequest(ca.conf.Version, nil)
response, err := controller.GetMetadata(request)
if err != nil {
return nil, int32(0), err
}
return response.Brokers, response.ControllerID, nil
}
func (ca *clusterAdmin) findBroker(id int32) (*Broker, error) {
brokers := ca.client.Brokers()
for _, b := range brokers {
if b.ID() == id {
return b, nil
}
}
return nil, fmt.Errorf("could not find broker id %d", id)
}
func (ca *clusterAdmin) findAnyBroker() (*Broker, error) {
brokers := ca.client.Brokers()
if len(brokers) > 0 {
index := rand.Intn(len(brokers))
return brokers[index], nil
}
return nil, errors.New("no available broker")
}
func (ca *clusterAdmin) ListTopics() (map[string]TopicDetail, error) {
// In order to build TopicDetails we need to first get the list of all
// topics using a MetadataRequest and then get their configs using a
// DescribeConfigsRequest request. To avoid sending many requests to the
// broker, we use a single DescribeConfigsRequest.
// Send the all-topic MetadataRequest
b, err := ca.findAnyBroker()
if err != nil {
return nil, err
}
_ = b.Open(ca.client.Config())
metadataReq := NewMetadataRequest(ca.conf.Version, nil)
metadataResp, err := b.GetMetadata(metadataReq)
if err != nil {
return nil, err
}
topicsDetailsMap := make(map[string]TopicDetail)
var describeConfigsResources []*ConfigResource
for _, topic := range metadataResp.Topics {
topicDetails := TopicDetail{
NumPartitions: int32(len(topic.Partitions)),
}
if len(topic.Partitions) > 0 {
topicDetails.ReplicaAssignment = map[int32][]int32{}
for _, partition := range topic.Partitions {
topicDetails.ReplicaAssignment[partition.ID] = partition.Replicas
}
topicDetails.ReplicationFactor = int16(len(topic.Partitions[0].Replicas))
}
topicsDetailsMap[topic.Name] = topicDetails
// we populate the resources we want to describe from the MetadataResponse
topicResource := ConfigResource{
Type: TopicResource,
Name: topic.Name,
}
describeConfigsResources = append(describeConfigsResources, &topicResource)
}
// Send the DescribeConfigsRequest
describeConfigsReq := &DescribeConfigsRequest{
Resources: describeConfigsResources,
}
if ca.conf.Version.IsAtLeast(V1_1_0_0) {
describeConfigsReq.Version = 1
}
if ca.conf.Version.IsAtLeast(V2_0_0_0) {
describeConfigsReq.Version = 2
}
describeConfigsResp, err := b.DescribeConfigs(describeConfigsReq)
if err != nil {
return nil, err
}
for _, resource := range describeConfigsResp.Resources {
topicDetails := topicsDetailsMap[resource.Name]
topicDetails.ConfigEntries = make(map[string]*string)
for _, entry := range resource.Configs {
// only include non-default non-sensitive config
// (don't actually think topic config will ever be sensitive)
if entry.Default || entry.Sensitive {
continue
}
topicDetails.ConfigEntries[entry.Name] = &entry.Value
}
topicsDetailsMap[resource.Name] = topicDetails
}
return topicsDetailsMap, nil
}
func (ca *clusterAdmin) DeleteTopic(topic string) error {
if topic == "" {
return ErrInvalidTopic
}
request := &DeleteTopicsRequest{
Topics: []string{topic},
Timeout: ca.conf.Admin.Timeout,
}
if ca.conf.Version.IsAtLeast(V0_11_0_0) {
request.Version = 1
}
return ca.retryOnError(isErrNoController, func() error {
b, err := ca.Controller()
if err != nil {
return err
}
rsp, err := b.DeleteTopics(request)
if err != nil {
return err
}
topicErr, ok := rsp.TopicErrorCodes[topic]
if !ok {
return ErrIncompleteResponse
}
if !errors.Is(topicErr, ErrNoError) {
if errors.Is(topicErr, ErrNotController) {
_, _ = ca.refreshController()
}
return topicErr
}
return nil
})
}
func (ca *clusterAdmin) CreatePartitions(topic string, count int32, assignment [][]int32, validateOnly bool) error {
if topic == "" {
return ErrInvalidTopic
}
topicPartitions := make(map[string]*TopicPartition)
topicPartitions[topic] = &TopicPartition{Count: count, Assignment: assignment}
request := &CreatePartitionsRequest{
TopicPartitions: topicPartitions,
Timeout: ca.conf.Admin.Timeout,
ValidateOnly: validateOnly,
}
return ca.retryOnError(isErrNoController, func() error {
b, err := ca.Controller()
if err != nil {
return err
}
rsp, err := b.CreatePartitions(request)
if err != nil {
return err
}
topicErr, ok := rsp.TopicPartitionErrors[topic]
if !ok {
return ErrIncompleteResponse
}
if !errors.Is(topicErr.Err, ErrNoError) {
if errors.Is(topicErr.Err, ErrNotController) {
_, _ = ca.refreshController()
}
return topicErr
}
return nil
})
}
func (ca *clusterAdmin) AlterPartitionReassignments(topic string, assignment [][]int32) error {
if topic == "" {
return ErrInvalidTopic
}
request := &AlterPartitionReassignmentsRequest{
TimeoutMs: int32(60000),
Version: int16(0),
}
for i := 0; i < len(assignment); i++ {
request.AddBlock(topic, int32(i), assignment[i])
}
return ca.retryOnError(isErrNoController, func() error {
b, err := ca.Controller()
if err != nil {
return err
}
errs := make([]error, 0)
rsp, err := b.AlterPartitionReassignments(request)
if err != nil {
errs = append(errs, err)
} else {
if rsp.ErrorCode > 0 {
errs = append(errs, rsp.ErrorCode)
}
for topic, topicErrors := range rsp.Errors {
for partition, partitionError := range topicErrors {
if !errors.Is(partitionError.errorCode, ErrNoError) {
errs = append(errs, fmt.Errorf("[%s-%d]: %w", topic, partition, partitionError.errorCode))
}
}
}
}
if len(errs) > 0 {
return Wrap(ErrReassignPartitions, errs...)
}
return nil
})
}
func (ca *clusterAdmin) ListPartitionReassignments(topic string, partitions []int32) (topicStatus map[string]map[int32]*PartitionReplicaReassignmentsStatus, err error) {
if topic == "" {
return nil, ErrInvalidTopic
}
request := &ListPartitionReassignmentsRequest{
TimeoutMs: int32(60000),
Version: int16(0),
}
request.AddBlock(topic, partitions)
b, err := ca.Controller()
if err != nil {
return nil, err
}
_ = b.Open(ca.client.Config())
rsp, err := b.ListPartitionReassignments(request)
if err == nil && rsp != nil {
return rsp.TopicStatus, nil
} else {
return nil, err
}
}
func (ca *clusterAdmin) DeleteRecords(topic string, partitionOffsets map[int32]int64) error {
if topic == "" {
return ErrInvalidTopic
}
errs := make([]error, 0)
partitionPerBroker := make(map[*Broker][]int32)
for partition := range partitionOffsets {
broker, err := ca.client.Leader(topic, partition)
if err != nil {
errs = append(errs, err)
continue
}
partitionPerBroker[broker] = append(partitionPerBroker[broker], partition)
}
for broker, partitions := range partitionPerBroker {
topics := make(map[string]*DeleteRecordsRequestTopic)
recordsToDelete := make(map[int32]int64)
for _, p := range partitions {
recordsToDelete[p] = partitionOffsets[p]
}
topics[topic] = &DeleteRecordsRequestTopic{
PartitionOffsets: recordsToDelete,
}
request := &DeleteRecordsRequest{
Topics: topics,
Timeout: ca.conf.Admin.Timeout,
}
rsp, err := broker.DeleteRecords(request)
if err != nil {
errs = append(errs, err)
continue
}
deleteRecordsResponseTopic, ok := rsp.Topics[topic]
if !ok {
errs = append(errs, ErrIncompleteResponse)
continue
}
for _, deleteRecordsResponsePartition := range deleteRecordsResponseTopic.Partitions {
if !errors.Is(deleteRecordsResponsePartition.Err, ErrNoError) {
errs = append(errs, deleteRecordsResponsePartition.Err)
continue
}
}
}
if len(errs) > 0 {
return Wrap(ErrDeleteRecords, errs...)
}
// todo since we are dealing with couple of partitions it would be good if we return slice of errors
// for each partition instead of one error
return nil
}
// Returns a bool indicating whether the resource request needs to go to a
// specific broker
func dependsOnSpecificNode(resource ConfigResource) bool {
return (resource.Type == BrokerResource && resource.Name != "") ||
resource.Type == BrokerLoggerResource
}
func (ca *clusterAdmin) DescribeConfig(resource ConfigResource) ([]ConfigEntry, error) {
var entries []ConfigEntry
var resources []*ConfigResource
resources = append(resources, &resource)
request := &DescribeConfigsRequest{
Resources: resources,
}
if ca.conf.Version.IsAtLeast(V1_1_0_0) {
request.Version = 1
}
if ca.conf.Version.IsAtLeast(V2_0_0_0) {
request.Version = 2
}
var (
b *Broker
err error
)
// DescribeConfig of broker/broker logger must be sent to the broker in question
if dependsOnSpecificNode(resource) {
var id int64
id, err = strconv.ParseInt(resource.Name, 10, 32)
if err != nil {
return nil, err
}
b, err = ca.findBroker(int32(id))
} else {
b, err = ca.findAnyBroker()
}
if err != nil {
return nil, err
}
_ = b.Open(ca.client.Config())
rsp, err := b.DescribeConfigs(request)
if err != nil {
return nil, err
}
for _, rspResource := range rsp.Resources {
if rspResource.Name == resource.Name {
if rspResource.ErrorMsg != "" {
return nil, errors.New(rspResource.ErrorMsg)
}
if rspResource.ErrorCode != 0 {
return nil, KError(rspResource.ErrorCode)
}
for _, cfgEntry := range rspResource.Configs {
entries = append(entries, *cfgEntry)
}
}
}
return entries, nil
}
func (ca *clusterAdmin) AlterConfig(resourceType ConfigResourceType, name string, entries map[string]*string, validateOnly bool) error {
var resources []*AlterConfigsResource
resources = append(resources, &AlterConfigsResource{
Type: resourceType,
Name: name,
ConfigEntries: entries,
})
request := &AlterConfigsRequest{
Resources: resources,
ValidateOnly: validateOnly,
}
var (
b *Broker
err error
)
// AlterConfig of broker/broker logger must be sent to the broker in question
if dependsOnSpecificNode(ConfigResource{Name: name, Type: resourceType}) {
var id int64
id, err = strconv.ParseInt(name, 10, 32)
if err != nil {
return err
}
b, err = ca.findBroker(int32(id))
} else {
b, err = ca.findAnyBroker()
}
if err != nil {
return err
}
_ = b.Open(ca.client.Config())
rsp, err := b.AlterConfigs(request)
if err != nil {
return err
}
for _, rspResource := range rsp.Resources {
if rspResource.Name == name {
if rspResource.ErrorMsg != "" {
return errors.New(rspResource.ErrorMsg)
}
if rspResource.ErrorCode != 0 {
return KError(rspResource.ErrorCode)
}
}
}
return nil
}
func (ca *clusterAdmin) IncrementalAlterConfig(resourceType ConfigResourceType, name string, entries map[string]IncrementalAlterConfigsEntry, validateOnly bool) error {
var resources []*IncrementalAlterConfigsResource
resources = append(resources, &IncrementalAlterConfigsResource{
Type: resourceType,
Name: name,
ConfigEntries: entries,
})
request := &IncrementalAlterConfigsRequest{
Resources: resources,
ValidateOnly: validateOnly,
}
var (
b *Broker
err error
)
// AlterConfig of broker/broker logger must be sent to the broker in question
if dependsOnSpecificNode(ConfigResource{Name: name, Type: resourceType}) {
var id int64
id, err = strconv.ParseInt(name, 10, 32)
if err != nil {
return err
}
b, err = ca.findBroker(int32(id))
} else {
b, err = ca.findAnyBroker()
}
if err != nil {
return err
}
_ = b.Open(ca.client.Config())
rsp, err := b.IncrementalAlterConfigs(request)
if err != nil {
return err
}
for _, rspResource := range rsp.Resources {
if rspResource.Name == name {
if rspResource.ErrorMsg != "" {
return errors.New(rspResource.ErrorMsg)
}
if rspResource.ErrorCode != 0 {
return KError(rspResource.ErrorCode)
}
}
}
return nil
}
func (ca *clusterAdmin) CreateACL(resource Resource, acl Acl) error {
var acls []*AclCreation
acls = append(acls, &AclCreation{resource, acl})
request := &CreateAclsRequest{AclCreations: acls}
if ca.conf.Version.IsAtLeast(V2_0_0_0) {
request.Version = 1
}
b, err := ca.Controller()
if err != nil {
return err
}
_, err = b.CreateAcls(request)
return err
}
func (ca *clusterAdmin) CreateACLs(resourceACLs []*ResourceAcls) error {
var acls []*AclCreation
for _, resourceACL := range resourceACLs {
for _, acl := range resourceACL.Acls {
acls = append(acls, &AclCreation{resourceACL.Resource, *acl})
}
}
request := &CreateAclsRequest{AclCreations: acls}
if ca.conf.Version.IsAtLeast(V2_0_0_0) {
request.Version = 1
}
b, err := ca.Controller()
if err != nil {
return err
}
_, err = b.CreateAcls(request)
return err
}
func (ca *clusterAdmin) ListAcls(filter AclFilter) ([]ResourceAcls, error) {
request := &DescribeAclsRequest{AclFilter: filter}
if ca.conf.Version.IsAtLeast(V2_0_0_0) {
request.Version = 1
}
b, err := ca.Controller()
if err != nil {
return nil, err
}
rsp, err := b.DescribeAcls(request)
if err != nil {
return nil, err
}
var lAcls []ResourceAcls
for _, rAcl := range rsp.ResourceAcls {
lAcls = append(lAcls, *rAcl)
}
return lAcls, nil
}
func (ca *clusterAdmin) DeleteACL(filter AclFilter, validateOnly bool) ([]MatchingAcl, error) {
var filters []*AclFilter
filters = append(filters, &filter)
request := &DeleteAclsRequest{Filters: filters}
if ca.conf.Version.IsAtLeast(V2_0_0_0) {
request.Version = 1
}
b, err := ca.Controller()
if err != nil {
return nil, err
}
rsp, err := b.DeleteAcls(request)
if err != nil {
return nil, err
}
var mAcls []MatchingAcl
for _, fr := range rsp.FilterResponses {
for _, mACL := range fr.MatchingAcls {
mAcls = append(mAcls, *mACL)
}
}
return mAcls, nil
}
func (ca *clusterAdmin) DescribeConsumerGroups(groups []string) (result []*GroupDescription, err error) {
groupsPerBroker := make(map[*Broker][]string)
for _, group := range groups {
controller, err := ca.client.Coordinator(group)
if err != nil {
return nil, err
}
groupsPerBroker[controller] = append(groupsPerBroker[controller], group)
}
for broker, brokerGroups := range groupsPerBroker {
describeReq := &DescribeGroupsRequest{
Groups: brokerGroups,
}
if ca.conf.Version.IsAtLeast(V2_3_0_0) {
describeReq.Version = 4
}
response, err := broker.DescribeGroups(describeReq)
if err != nil {
return nil, err
}
result = append(result, response.Groups...)
}
return result, nil
}
func (ca *clusterAdmin) ListConsumerGroups() (allGroups map[string]string, err error) {
allGroups = make(map[string]string)
// Query brokers in parallel, since we have to query *all* brokers
brokers := ca.client.Brokers()
groupMaps := make(chan map[string]string, len(brokers))
errChan := make(chan error, len(brokers))
wg := sync.WaitGroup{}
for _, b := range brokers {
wg.Add(1)
go func(b *Broker, conf *Config) {
defer wg.Done()
_ = b.Open(conf) // Ensure that broker is opened
response, err := b.ListGroups(&ListGroupsRequest{})
if err != nil {
errChan <- err
return
}
groups := make(map[string]string)
for group, typ := range response.Groups {
groups[group] = typ
}
groupMaps <- groups
}(b, ca.conf)
}
wg.Wait()
close(groupMaps)
close(errChan)
for groupMap := range groupMaps {
for group, protocolType := range groupMap {
allGroups[group] = protocolType
}
}
// Intentionally return only the first error for simplicity
err = <-errChan
return
}
func (ca *clusterAdmin) ListConsumerGroupOffsets(group string, topicPartitions map[string][]int32) (*OffsetFetchResponse, error) {
coordinator, err := ca.client.Coordinator(group)
if err != nil {
return nil, err
}
request := &OffsetFetchRequest{
ConsumerGroup: group,
partitions: topicPartitions,
}
if ca.conf.Version.IsAtLeast(V0_10_2_0) {
request.Version = 2
} else if ca.conf.Version.IsAtLeast(V0_8_2_2) {
request.Version = 1
}
return coordinator.FetchOffset(request)
}
func (ca *clusterAdmin) DeleteConsumerGroupOffset(group string, topic string, partition int32) error {
coordinator, err := ca.client.Coordinator(group)
if err != nil {
return err
}
request := &DeleteOffsetsRequest{
Group: group,
partitions: map[string][]int32{
topic: {partition},
},
}
resp, err := coordinator.DeleteOffsets(request)
if err != nil {
return err
}
if !errors.Is(resp.ErrorCode, ErrNoError) {
return resp.ErrorCode
}
if !errors.Is(resp.Errors[topic][partition], ErrNoError) {
return resp.Errors[topic][partition]
}
return nil
}
func (ca *clusterAdmin) DeleteConsumerGroup(group string) error {