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Wire up dynamic config-backed history DLQ (#4876)
<!-- Describe what has changed in this PR --> **What changed?** This is the final PR to actually wire up the history task DLQ. _Note about the PR structure: The merge base is dlq-5-base, but it will be changed to dlq-feature after #4875 is merged. I did it this way because 4875 is a PR against main (because it's independent of the DLQ project), but this PR depends on both that and another PR in the dlq-feature branch._ <!-- Tell your future self why have you made these changes --> **Why?** I made this so that we can actually use the DLQ. All previous PRs were basically library code--this hooks it up to our main entry point. <!-- How have you verified this change? Tested locally? Added a unit test? Checked in staging env? --> **How did you test it?** There's an fx test which verifies that any executable we create will use the DLQ iff the dynamic config flag is on. <!-- Assuming the worst case, what can be broken when deploying this change to production? --> **Potential risks** The dynamic config defaults to false, and I added a comment to not turn it on if you aren't using Cassandra. <!-- Is this PR a hotfix candidate or require that a notification be sent to the broader community? (Yes/No) --> **Is hotfix candidate?** No.
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// 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 history | ||
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import ( | ||
"go.temporal.io/server/common/clock" | ||
"go.temporal.io/server/service/history/configs" | ||
"go.uber.org/fx" | ||
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"go.temporal.io/server/common/cluster" | ||
"go.temporal.io/server/common/dynamicconfig" | ||
"go.temporal.io/server/common/persistence" | ||
"go.temporal.io/server/service/history/queues" | ||
) | ||
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type ( | ||
executableDLQWrapper struct { | ||
historyTaskQueueManager persistence.HistoryTaskQueueManager | ||
clusterName string | ||
timeSource clock.TimeSource | ||
useDLQ dynamicconfig.BoolPropertyFn | ||
} | ||
executableDLQWrapperParams struct { | ||
fx.In | ||
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HistoryTaskQueueManager persistence.HistoryTaskQueueManager | ||
ClusterMetadata cluster.Metadata | ||
Config *configs.Config | ||
TimeSource clock.TimeSource | ||
} | ||
dlqToggle struct { | ||
queues.Executable | ||
executableDLQ *queues.ExecutableDLQ | ||
useDLQ dynamicconfig.BoolPropertyFn | ||
} | ||
) | ||
|
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func NewExecutableDLQWrapper(params executableDLQWrapperParams) queues.ExecutableWrapper { | ||
return executableDLQWrapper{ | ||
historyTaskQueueManager: params.HistoryTaskQueueManager, | ||
clusterName: params.ClusterMetadata.GetCurrentClusterName(), | ||
timeSource: params.TimeSource, | ||
useDLQ: params.Config.TaskDLQEnabled, | ||
} | ||
} | ||
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func (d executableDLQWrapper) Wrap(e queues.Executable) queues.Executable { | ||
executableDLQ := queues.NewExecutableDLQ( | ||
e, | ||
d.historyTaskQueueManager, | ||
d.timeSource, | ||
d.clusterName, | ||
) | ||
return &dlqToggle{ | ||
Executable: e, | ||
executableDLQ: executableDLQ, | ||
useDLQ: d.useDLQ, | ||
} | ||
} | ||
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func (t *dlqToggle) Execute() error { | ||
if t.useDLQ() { | ||
return t.executableDLQ.Execute() | ||
} | ||
return t.Executable.Execute() | ||
} |
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// 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. | ||
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package history_test | ||
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import ( | ||
"context" | ||
"testing" | ||
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"github.com/stretchr/testify/assert" | ||
"go.temporal.io/server/common/clock" | ||
"go.temporal.io/server/service/history/configs" | ||
"go.uber.org/fx" | ||
"go.uber.org/fx/fxtest" | ||
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"go.temporal.io/server/common/cluster" | ||
"go.temporal.io/server/common/dynamicconfig" | ||
"go.temporal.io/server/common/log" | ||
"go.temporal.io/server/common/persistence" | ||
"go.temporal.io/server/common/persistence/serialization" | ||
"go.temporal.io/server/service/history" | ||
"go.temporal.io/server/service/history/queues" | ||
"go.temporal.io/server/service/history/queues/queuestest" | ||
) | ||
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type ( | ||
testHistoryTaskQueueManager struct { | ||
persistence.HistoryTaskQueueManager | ||
requests []*persistence.EnqueueTaskRequest | ||
} | ||
fakeMetadata struct { | ||
cluster.Metadata | ||
} | ||
) | ||
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var errTerminal = new(serialization.DeserializationError) | ||
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func TestNewExecutableDLQWrapper(t *testing.T) { | ||
t.Parallel() | ||
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for _, tc := range []struct { | ||
name string | ||
enableDLQ bool | ||
}{ | ||
{ | ||
name: "DLQ enabled", | ||
enableDLQ: true, | ||
}, | ||
{ | ||
name: "DLQ disabled", | ||
enableDLQ: false, | ||
}, | ||
} { | ||
tc := tc | ||
t.Run(tc.name, func(t *testing.T) { | ||
t.Parallel() | ||
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tqm := &testHistoryTaskQueueManager{} | ||
var w queues.ExecutableWrapper | ||
fxtest.New( | ||
t, | ||
fx.Provide( | ||
func() persistence.HistoryTaskQueueManager { | ||
return tqm | ||
}, | ||
func() cluster.Metadata { | ||
return fakeMetadata{} | ||
}, | ||
func() *configs.Config { | ||
dc := dynamicconfig.NewCollection(dynamicconfig.StaticClient(map[dynamicconfig.Key]interface{}{ | ||
dynamicconfig.HistoryTaskDLQEnabled: tc.enableDLQ, | ||
}), log.NewTestLogger()) | ||
return configs.NewConfig(dc, 1, false, false) | ||
}, | ||
func() clock.TimeSource { | ||
return clock.NewEventTimeSource() | ||
}, | ||
fx.Annotate(history.NewExecutableDLQWrapper, fx.As(new(queues.ExecutableWrapper))), | ||
), | ||
fx.Populate(&w), | ||
) | ||
executable := w.Wrap(queuestest.NewFakeExecutable(nil, errTerminal)) | ||
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err := executable.Execute() | ||
if tc.enableDLQ { | ||
assert.ErrorIs(t, err, queues.ErrTerminalTaskFailure) | ||
} else { | ||
assert.NotErrorIs(t, err, queues.ErrTerminalTaskFailure) | ||
assert.ErrorIs(t, err, errTerminal) | ||
} | ||
err = executable.Execute() | ||
if tc.enableDLQ { | ||
assert.NoError(t, err) | ||
assert.Len(t, tqm.requests, 1) | ||
} else { | ||
assert.ErrorIs(t, err, errTerminal) | ||
assert.Empty(t, tqm.requests) | ||
} | ||
}) | ||
} | ||
} | ||
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func (f fakeMetadata) GetCurrentClusterName() string { | ||
return "test-cluster-name" | ||
} | ||
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func (t *testHistoryTaskQueueManager) EnqueueTask( | ||
_ context.Context, | ||
request *persistence.EnqueueTaskRequest, | ||
) (*persistence.EnqueueTaskResponse, error) { | ||
t.requests = append(t.requests, request) | ||
return nil, nil | ||
} |
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