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## What changed?
<!-- Describe what has changed in this PR -->
Remove license header from every file. Because it is really hard to
follow in this PR here is the summary:
1. License header is removed from all `.go` and `.proto` files
:fireworks::fireworks:🎆.
2. `LICENSE` file in the root directory has only Temporal and Uber
copyrights.
3. 5 other `LICENSE` files added to the packages which have copyrights
different from Temporal and Uber: Datadog, Xargin, "Mat Ryer, Tyler
Bunnell and contributors".
4. `license_file` flag is removed from all code generation tools.
5. `copyright_file` flag is removed from `go:generate mockgen`
directive.
6. All copyright related targets are removed from `Makefile`.
7. Updated Temporal copyright year to 2025 everywhere.
## Why?
<!-- Tell your future self why have you made these changes -->
I double checked with legal department that it is not needed to have
license header in every file. One file per repo is enough. I put all
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files. Also updated tools and `Makefile`.
371 lines
10 KiB
Go
371 lines
10 KiB
Go
//go:generate mockgen -package $GOPACKAGE -source $GOFILE -destination dlq_handler_mock.go
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package replication
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import (
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"context"
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"errors"
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"fmt"
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"sync"
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historypb "go.temporal.io/api/history/v1"
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"go.temporal.io/server/api/adminservice/v1"
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enumsspb "go.temporal.io/server/api/enums/v1"
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historyspb "go.temporal.io/server/api/history/v1"
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replicationspb "go.temporal.io/server/api/replication/v1"
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"go.temporal.io/server/client"
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"go.temporal.io/server/common/definition"
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"go.temporal.io/server/common/log"
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"go.temporal.io/server/common/log/tag"
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"go.temporal.io/server/common/namespace"
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"go.temporal.io/server/common/persistence"
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"go.temporal.io/server/common/xdc"
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"go.temporal.io/server/service/history/consts"
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"go.temporal.io/server/service/history/deletemanager"
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historyi "go.temporal.io/server/service/history/interfaces"
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"go.temporal.io/server/service/history/tasks"
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wcache "go.temporal.io/server/service/history/workflow/cache"
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)
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type (
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// DLQHandler is the interface handles replication DLQ messages
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DLQHandler interface {
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GetMessages(
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ctx context.Context,
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sourceCluster string,
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lastMessageID int64,
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pageSize int,
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pageToken []byte,
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) ([]*replicationspb.ReplicationTask, []*replicationspb.ReplicationTaskInfo, []byte, error)
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PurgeMessages(
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ctx context.Context,
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sourceCluster string,
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lastMessageID int64,
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) error
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MergeMessages(
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ctx context.Context,
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sourceCluster string,
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lastMessageID int64,
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pageSize int,
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pageToken []byte,
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) ([]byte, error)
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}
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dlqHandlerImpl struct {
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taskExecutorsLock sync.Mutex
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taskExecutors map[string]TaskExecutor
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shard historyi.ShardContext
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deleteManager deletemanager.DeleteManager
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workflowCache wcache.Cache
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resender xdc.NDCHistoryResender
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taskExecutorProvider TaskExecutorProvider
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logger log.Logger
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}
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)
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func NewLazyDLQHandler(
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shard historyi.ShardContext,
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deleteManager deletemanager.DeleteManager,
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workflowCache wcache.Cache,
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clientBean client.Bean,
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taskExecutorProvider TaskExecutorProvider,
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) DLQHandler {
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return newDLQHandler(
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shard,
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deleteManager,
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workflowCache,
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clientBean,
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make(map[string]TaskExecutor),
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taskExecutorProvider,
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)
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}
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func newDLQHandler(
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shard historyi.ShardContext,
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deleteManager deletemanager.DeleteManager,
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workflowCache wcache.Cache,
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clientBean client.Bean,
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taskExecutors map[string]TaskExecutor,
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taskExecutorProvider TaskExecutorProvider,
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) *dlqHandlerImpl {
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if taskExecutors == nil {
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panic("Failed to initialize replication DLQ handler due to nil task executors")
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}
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return &dlqHandlerImpl{
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shard: shard,
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deleteManager: deleteManager,
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workflowCache: workflowCache,
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resender: xdc.NewNDCHistoryResender(
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shard.GetNamespaceRegistry(),
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clientBean,
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func(
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ctx context.Context,
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sourceClusterName string,
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namespaceId namespace.ID,
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workflowId string,
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runId string,
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events [][]*historypb.HistoryEvent,
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versionHistory []*historyspb.VersionHistoryItem,
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) error {
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engine, err := shard.GetEngine(ctx)
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if err != nil {
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return err
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}
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err = engine.ReplicateHistoryEvents(
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ctx,
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definition.WorkflowKey{
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NamespaceID: namespaceId.String(),
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WorkflowID: workflowId,
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RunID: runId,
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},
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nil,
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versionHistory,
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events,
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nil,
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"",
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)
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if errors.Is(err, consts.ErrDuplicate) {
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return nil
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}
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return err
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},
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shard.GetPayloadSerializer(),
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shard.GetConfig().StandbyTaskReReplicationContextTimeout,
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shard.GetLogger(),
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nil,
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),
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taskExecutors: taskExecutors,
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taskExecutorProvider: taskExecutorProvider,
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logger: shard.GetLogger(),
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}
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}
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func (r *dlqHandlerImpl) GetMessages(
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ctx context.Context,
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sourceCluster string,
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lastMessageID int64,
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pageSize int,
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pageToken []byte,
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) ([]*replicationspb.ReplicationTask, []*replicationspb.ReplicationTaskInfo, []byte, error) {
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taskList, taskInfoList, _, token, err := r.readMessagesWithAckLevel(
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ctx,
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sourceCluster,
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lastMessageID,
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pageSize,
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pageToken,
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)
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return taskList, taskInfoList, token, err
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}
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func (r *dlqHandlerImpl) PurgeMessages(
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ctx context.Context,
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sourceCluster string,
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lastMessageID int64,
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) error {
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ackLevel := r.shard.GetReplicatorDLQAckLevel(sourceCluster)
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err := r.shard.GetExecutionManager().RangeDeleteReplicationTaskFromDLQ(
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ctx,
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&persistence.RangeDeleteReplicationTaskFromDLQRequest{
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RangeCompleteHistoryTasksRequest: persistence.RangeCompleteHistoryTasksRequest{
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ShardID: r.shard.GetShardID(),
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TaskCategory: tasks.CategoryReplication,
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InclusiveMinTaskKey: tasks.NewImmediateKey(ackLevel + 1),
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ExclusiveMaxTaskKey: tasks.NewImmediateKey(lastMessageID + 1),
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},
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SourceClusterName: sourceCluster,
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},
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)
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if err != nil {
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return err
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}
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if err = r.shard.UpdateReplicatorDLQAckLevel(
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sourceCluster,
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lastMessageID,
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); err != nil {
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r.logger.Error("Failed to purge history replication message", tag.Error(err))
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// The update ack level should not block the call. Ignore the error.
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}
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return nil
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}
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func (r *dlqHandlerImpl) MergeMessages(
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ctx context.Context,
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sourceCluster string,
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lastMessageID int64,
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pageSize int,
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pageToken []byte,
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) ([]byte, error) {
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replicationTasks, _, ackLevel, token, err := r.readMessagesWithAckLevel(
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ctx,
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sourceCluster,
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lastMessageID,
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pageSize,
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pageToken,
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)
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if err != nil {
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return nil, err
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}
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taskExecutor, err := r.getOrCreateTaskExecutor(sourceCluster)
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if err != nil {
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return nil, err
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}
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for _, task := range replicationTasks {
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if err := taskExecutor.Execute(
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ctx,
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task,
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true,
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); err != nil {
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return nil, err
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}
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}
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err = r.shard.GetExecutionManager().RangeDeleteReplicationTaskFromDLQ(
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ctx,
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&persistence.RangeDeleteReplicationTaskFromDLQRequest{
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RangeCompleteHistoryTasksRequest: persistence.RangeCompleteHistoryTasksRequest{
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ShardID: r.shard.GetShardID(),
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TaskCategory: tasks.CategoryReplication,
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InclusiveMinTaskKey: tasks.NewImmediateKey(ackLevel + 1),
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ExclusiveMaxTaskKey: tasks.NewImmediateKey(lastMessageID + 1),
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},
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SourceClusterName: sourceCluster,
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},
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)
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if err != nil {
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return nil, err
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}
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if err = r.shard.UpdateReplicatorDLQAckLevel(
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sourceCluster,
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lastMessageID,
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); err != nil {
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r.logger.Error("Failed to purge history replication message", tag.Error(err))
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// The update ack level should not block the call. Ignore the error.
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}
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return token, nil
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}
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func (r *dlqHandlerImpl) readMessagesWithAckLevel(
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ctx context.Context,
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sourceCluster string,
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lastMessageID int64,
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pageSize int,
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pageToken []byte,
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) ([]*replicationspb.ReplicationTask, []*replicationspb.ReplicationTaskInfo, int64, []byte, error) {
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ackLevel := r.shard.GetReplicatorDLQAckLevel(sourceCluster)
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resp, err := r.shard.GetExecutionManager().GetReplicationTasksFromDLQ(ctx, &persistence.GetReplicationTasksFromDLQRequest{
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GetHistoryTasksRequest: persistence.GetHistoryTasksRequest{
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ShardID: r.shard.GetShardID(),
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TaskCategory: tasks.CategoryReplication,
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InclusiveMinTaskKey: tasks.NewImmediateKey(ackLevel + 1),
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ExclusiveMaxTaskKey: tasks.NewImmediateKey(lastMessageID + 1),
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BatchSize: pageSize,
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NextPageToken: pageToken,
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},
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SourceClusterName: sourceCluster,
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})
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if err != nil {
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return nil, nil, ackLevel, nil, err
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}
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pageToken = resp.NextPageToken
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remoteAdminClient, err := r.shard.GetRemoteAdminClient(sourceCluster)
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if err != nil {
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return nil, nil, ackLevel, nil, err
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}
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taskInfo := make([]*replicationspb.ReplicationTaskInfo, 0, len(resp.Tasks))
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for _, task := range resp.Tasks {
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switch task := task.(type) {
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case *tasks.SyncActivityTask:
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taskInfo = append(taskInfo, &replicationspb.ReplicationTaskInfo{
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NamespaceId: task.NamespaceID,
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WorkflowId: task.WorkflowID,
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RunId: task.RunID,
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TaskType: enumsspb.TASK_TYPE_REPLICATION_SYNC_ACTIVITY,
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TaskId: task.TaskID,
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Version: task.GetVersion(),
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FirstEventId: 0,
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NextEventId: 0,
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ScheduledEventId: task.ScheduledEventID,
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})
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case *tasks.HistoryReplicationTask:
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taskInfo = append(taskInfo, &replicationspb.ReplicationTaskInfo{
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NamespaceId: task.NamespaceID,
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WorkflowId: task.WorkflowID,
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RunId: task.RunID,
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TaskType: enumsspb.TASK_TYPE_REPLICATION_HISTORY,
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TaskId: task.TaskID,
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Version: task.Version,
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FirstEventId: task.FirstEventID,
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NextEventId: task.NextEventID,
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ScheduledEventId: 0,
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})
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case *tasks.SyncWorkflowStateTask:
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taskInfo = append(taskInfo, &replicationspb.ReplicationTaskInfo{
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NamespaceId: task.NamespaceID,
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WorkflowId: task.WorkflowID,
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RunId: task.RunID,
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TaskType: enumsspb.TASK_TYPE_REPLICATION_SYNC_WORKFLOW_STATE,
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TaskId: task.TaskID,
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Version: task.Version,
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FirstEventId: 0,
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NextEventId: 0,
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ScheduledEventId: 0,
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})
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case *tasks.SyncHSMTask:
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taskInfo = append(taskInfo, &replicationspb.ReplicationTaskInfo{
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NamespaceId: task.NamespaceID,
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WorkflowId: task.WorkflowID,
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RunId: task.RunID,
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TaskType: enumsspb.TASK_TYPE_REPLICATION_SYNC_HSM,
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TaskId: task.TaskID,
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})
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default:
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panic(fmt.Sprintf("Unknown repication task type: %v", task))
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}
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}
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if len(taskInfo) == 0 {
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return nil, nil, ackLevel, pageToken, nil
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}
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dlqResponse, err := remoteAdminClient.GetDLQReplicationMessages(
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ctx,
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&adminservice.GetDLQReplicationMessagesRequest{
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TaskInfos: taskInfo,
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},
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)
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if err != nil {
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return nil, nil, ackLevel, nil, err
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}
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return dlqResponse.ReplicationTasks, taskInfo, ackLevel, pageToken, nil
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}
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func (r *dlqHandlerImpl) getOrCreateTaskExecutor(clusterName string) (TaskExecutor, error) {
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r.taskExecutorsLock.Lock()
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defer r.taskExecutorsLock.Unlock()
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if executor, ok := r.taskExecutors[clusterName]; ok {
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return executor, nil
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}
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taskExecutor := r.taskExecutorProvider(TaskExecutorParams{
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RemoteCluster: clusterName,
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Shard: r.shard,
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HistoryResender: r.resender,
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DeleteManager: r.deleteManager,
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WorkflowCache: r.workflowCache,
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})
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r.taskExecutors[clusterName] = taskExecutor
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return taskExecutor, nil
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}
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