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<!-- Describe what has changed in this PR --> **What changed?** I added a `DLQWriter` interface to the `replication` package, which takes a `WriteRequest` containing a `shard.Context`, a source cluster name, and replication task info, and writes a task to the DLQ. I also added a default implementation which uses our v1 queue supplied by the shard. I also refactored `replication/fx.go` in two ways: 1. **Don't use `fx.Options`**: Its usage is discouraged in its documentation, and we can replace it by simply having a variadic call to `fx.Provide`, and adding lifecycle hooks for the scheduler in the provider instead of an `fx.Invoke` call. 2. **Keep providers un-exported**: I didn't see a reason for having these exported, and I think it just bloats the footprint of this package. It's clearer when you see that it just provides a few constructors and a module. <!-- Tell your future self why have you made these changes --> **Why?** We want to move away from using `ExecutionManager.PutReplicationTaskToDLQ`; however, that method is called in several places in the `replication` package. We're going to fix this in stages: 1. Hide all calls to `ExecutionManager` behind a common interface, so that it's really only called in one place 3. Add an alternate implementation based on `persistence.QueueV2` via `queues.DLQWriter` 4. Roll out the alternate implementation 5. Remove the implementation that uses the `ExecutionManager` This PR is just step one. <!-- How have you verified this change? Tested locally? Added a unit test? Checked in staging env? --> **How did you test it?** I added a unit test, and I also added an integration test for this in https://github.com/temporalio/temporal/pull/5003. <!-- Assuming the worst case, what can be broken when deploying this change to production? --> **Potential risks** <!-- Is this PR a hotfix candidate or require that a notification be sent to the broader community? (Yes/No) --> **Is hotfix candidate?**
106 lines
3.7 KiB
Go
106 lines
3.7 KiB
Go
// The MIT License
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//
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// Copyright (c) 2020 Temporal Technologies Inc. All rights reserved.
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//
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// Copyright (c) 2020 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package history
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import (
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"go.opentelemetry.io/otel/trace"
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"go.uber.org/fx"
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"go.temporal.io/server/client"
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"go.temporal.io/server/common/persistence"
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"go.temporal.io/server/common/persistence/serialization"
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"go.temporal.io/server/common/persistence/visibility/manager"
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"go.temporal.io/server/common/resource"
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"go.temporal.io/server/common/sdk"
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"go.temporal.io/server/service/history/api"
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"go.temporal.io/server/service/history/configs"
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"go.temporal.io/server/service/history/events"
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"go.temporal.io/server/service/history/replication"
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"go.temporal.io/server/service/history/shard"
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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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HistoryEngineFactoryParams struct {
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fx.In
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ClientBean client.Bean
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MatchingClient resource.MatchingClient
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SdkClientFactory sdk.ClientFactory
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EventNotifier events.Notifier
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Config *configs.Config
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RawMatchingClient resource.MatchingRawClient
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WorkflowCache wcache.Cache
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NewCacheFn wcache.NewCacheFn
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EventSerializer serialization.Serializer
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QueueFactories []QueueFactory `group:"queueFactory"`
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ReplicationTaskFetcherFactory replication.TaskFetcherFactory
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ReplicationTaskExecutorProvider replication.TaskExecutorProvider
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TracerProvider trace.TracerProvider
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PersistenceVisibilityMgr manager.VisibilityManager
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EventBlobCache persistence.XDCCache
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TaskCategoryRegistry tasks.TaskCategoryRegistry
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ReplicationDLQWriter replication.DLQWriter
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}
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historyEngineFactory struct {
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HistoryEngineFactoryParams
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}
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)
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func (f *historyEngineFactory) CreateEngine(
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shard shard.Context,
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) shard.Engine {
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var wfCache wcache.Cache
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if shard.GetConfig().EnableHostLevelHistoryCache() {
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wfCache = f.WorkflowCache
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} else {
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wfCache = f.NewCacheFn(shard.GetConfig())
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}
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workflowConsistencyChecker := api.NewWorkflowConsistencyChecker(shard, wfCache)
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return NewEngineWithShardContext(
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shard,
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f.ClientBean,
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f.MatchingClient,
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f.SdkClientFactory,
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f.EventNotifier,
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f.Config,
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f.RawMatchingClient,
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wfCache,
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f.EventSerializer,
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f.QueueFactories,
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f.ReplicationTaskFetcherFactory,
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f.ReplicationTaskExecutorProvider,
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workflowConsistencyChecker,
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f.TracerProvider,
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f.PersistenceVisibilityMgr,
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f.EventBlobCache,
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f.TaskCategoryRegistry,
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f.ReplicationDLQWriter,
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)
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}
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