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Restructure replication task implementation & UT (#3992)
* Restructure replication task implementation & UT for ease of management
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143 changes: 143 additions & 0 deletions
143
service/history/replication/executable_activity_state_task.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,143 @@ | ||
| // The MIT License | ||
| // | ||
| // Copyright (c) 2020 Temporal Technologies Inc. All rights reserved. | ||
| // | ||
| // Copyright (c) 2020 Uber Technologies, Inc. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
||
| package replication | ||
|
|
||
| import ( | ||
| "time" | ||
|
|
||
| "go.temporal.io/api/serviceerror" | ||
|
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| "go.temporal.io/server/api/historyservice/v1" | ||
| replicationspb "go.temporal.io/server/api/replication/v1" | ||
| "go.temporal.io/server/common/definition" | ||
| "go.temporal.io/server/common/metrics" | ||
| "go.temporal.io/server/common/namespace" | ||
| serviceerrors "go.temporal.io/server/common/serviceerror" | ||
| ctasks "go.temporal.io/server/common/tasks" | ||
| ) | ||
|
|
||
| type ( | ||
| ExecutableActivityStateTask struct { | ||
| ProcessToolBox | ||
|
|
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| definition.WorkflowKey | ||
| ExecutableTask | ||
| req *historyservice.SyncActivityRequest | ||
|
|
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| // variables to be perhaps removed (not essential to logic) | ||
| sourceClusterName string | ||
| } | ||
| ) | ||
|
|
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| var _ ctasks.Task = (*ExecutableActivityStateTask)(nil) | ||
| var _ TrackableExecutableTask = (*ExecutableActivityStateTask)(nil) | ||
|
|
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| func NewExecutableActivityStateTask( | ||
| processToolBox ProcessToolBox, | ||
| taskID int64, | ||
| taskCreationTime time.Time, | ||
| task *replicationspb.SyncActivityTaskAttributes, | ||
| sourceClusterName string, | ||
| ) *ExecutableActivityStateTask { | ||
| return &ExecutableActivityStateTask{ | ||
| ProcessToolBox: processToolBox, | ||
|
|
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| WorkflowKey: definition.NewWorkflowKey(task.NamespaceId, task.WorkflowId, task.RunId), | ||
| ExecutableTask: NewExecutableTask( | ||
| processToolBox, | ||
| taskID, | ||
| metrics.SyncActivityTaskScope, | ||
| taskCreationTime, | ||
| time.Now().UTC(), | ||
| ), | ||
| req: &historyservice.SyncActivityRequest{ | ||
| NamespaceId: task.NamespaceId, | ||
| WorkflowId: task.WorkflowId, | ||
| RunId: task.RunId, | ||
| Version: task.Version, | ||
| ScheduledEventId: task.ScheduledEventId, | ||
| ScheduledTime: task.ScheduledTime, | ||
| StartedEventId: task.StartedEventId, | ||
| StartedTime: task.StartedTime, | ||
| LastHeartbeatTime: task.LastHeartbeatTime, | ||
| Details: task.Details, | ||
| Attempt: task.Attempt, | ||
| LastFailure: task.LastFailure, | ||
| LastWorkerIdentity: task.LastWorkerIdentity, | ||
| VersionHistory: task.GetVersionHistory(), | ||
| }, | ||
|
|
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| sourceClusterName: sourceClusterName, | ||
| } | ||
| } | ||
|
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| func (e *ExecutableActivityStateTask) Execute() error { | ||
| namespaceName, apply, nsError := e.GetNamespaceInfo(e.NamespaceID) | ||
| if nsError != nil { | ||
| return nsError | ||
| } else if !apply { | ||
| return nil | ||
| } | ||
| ctx, cancel := newTaskContext(namespaceName) | ||
| defer cancel() | ||
|
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| shardContext, err := e.ShardController.GetShardByNamespaceWorkflow( | ||
| namespace.ID(e.NamespaceID), | ||
| e.WorkflowID, | ||
| ) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| engine, err := shardContext.GetEngine(ctx) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return engine.SyncActivity(ctx, e.req) | ||
| } | ||
|
|
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| func (e *ExecutableActivityStateTask) HandleErr(err error) error { | ||
| switch retryErr := err.(type) { | ||
| case nil, *serviceerror.NotFound: | ||
| return nil | ||
| case *serviceerrors.RetryReplication: | ||
| namespaceName, _, nsError := e.GetNamespaceInfo(e.NamespaceID) | ||
| if nsError != nil { | ||
| return err | ||
| } | ||
| ctx, cancel := newTaskContext(namespaceName) | ||
| defer cancel() | ||
|
|
||
| if resendErr := e.Resend( | ||
| ctx, | ||
| e.sourceClusterName, | ||
| retryErr, | ||
| ); resendErr != nil { | ||
| return err | ||
| } | ||
| return e.Execute() | ||
| default: | ||
| return err | ||
| } | ||
| } |
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