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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| // 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 queues | ||
|
|
||
| import ( | ||
| "errors" | ||
|
|
||
| "go.temporal.io/server/common/clock" | ||
| "go.temporal.io/server/common/log" | ||
| "go.temporal.io/server/common/log/tag" | ||
| "go.temporal.io/server/common/metrics" | ||
| "go.temporal.io/server/common/namespace" | ||
| "go.temporal.io/server/service/history/tasks" | ||
| ) | ||
|
|
||
| // ExecutableDLQObserver records telemetry like metrics and logs for an ExecutableDLQ. | ||
| type ExecutableDLQObserver struct { | ||
| Executable | ||
| numHistoryShards int | ||
| namespaceRegistry namespace.Registry | ||
| timeSource clock.TimeSource | ||
| logger log.Logger | ||
| metricsHandler metrics.Handler | ||
|
|
||
| isDLQ bool | ||
| } | ||
|
|
||
| func NewExecutableDLQObserver( | ||
| executableDLQ Executable, | ||
| numHistoryShards int, | ||
| namespaceRegistry namespace.Registry, | ||
| timeSource clock.TimeSource, | ||
| logger log.Logger, | ||
| metricsHandler metrics.Handler, | ||
| ) *ExecutableDLQObserver { | ||
| return &ExecutableDLQObserver{ | ||
| Executable: executableDLQ, | ||
| numHistoryShards: numHistoryShards, | ||
| namespaceRegistry: namespaceRegistry, | ||
| timeSource: timeSource, | ||
| logger: logger, | ||
| metricsHandler: metricsHandler, | ||
| isDLQ: false, | ||
| } | ||
| } | ||
|
|
||
| func (o *ExecutableDLQObserver) Execute() error { | ||
| now := o.timeSource.Now() | ||
| err := o.Executable.Execute() | ||
| if errors.Is(err, ErrTerminalTaskFailure) { | ||
| o.getMetricsHandler().Counter(metrics.TaskTerminalFailures.GetMetricName()).Record(1) | ||
| logger := o.getLogger() | ||
| logger.Error("A terminal error occurred while processing this task", tag.Error(err)) | ||
| o.isDLQ = true | ||
| } else if errors.Is(err, ErrSendTaskToDLQ) { | ||
| o.getMetricsHandler().Counter(metrics.TaskDLQFailures.GetMetricName()).Record(1) | ||
| logger := o.getLogger() | ||
| logger.Error("Failed to send history task to the DLQ", tag.Error(err)) | ||
| } else if err == nil && o.isDLQ { | ||
| latency := o.timeSource.Now().Sub(now) | ||
| o.getMetricsHandler().Timer(metrics.TaskDLQSendLatency.GetMetricName()).Record(latency) | ||
| logger := o.getLogger() | ||
| logger.Info("Task sent to DLQ") | ||
| } | ||
| return err | ||
| } | ||
|
|
||
| func (o *ExecutableDLQObserver) getMetricsHandler() metrics.Handler { | ||
| handler := o.metricsHandler.WithTags(metrics.TaskTypeTag(o.GetTask().GetType().String())) | ||
| namespaceID := o.GetTask().GetNamespaceID() | ||
| ns, err := o.namespaceRegistry.GetNamespaceByID(namespace.ID(namespaceID)) | ||
| if err != nil { | ||
| o.getLogger().Error("Unable to get namespace", tag.Error(err), tag.WorkflowNamespaceID(namespaceID)) | ||
| return handler | ||
| } | ||
| return handler.WithTags( | ||
| metrics.NamespaceTag(string(ns.Name())), | ||
| ) | ||
| } | ||
|
|
||
| func (o *ExecutableDLQObserver) getLogger() log.Logger { | ||
| task := o.Executable.GetTask() | ||
| tags := tasks.Tags(task) | ||
| shardID := tasks.GetShardIDForTask(task, o.numHistoryShards) | ||
| tags = append(tags, tag.ShardID(int32(shardID))) | ||
| logger := log.With(o.logger, tags...) | ||
| return logger | ||
| } |
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