/
client_worker.go
129 lines (113 loc) · 4.4 KB
/
client_worker.go
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// Copyright (c) 2017 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 archiver
import (
"context"
"time"
"go.uber.org/cadence/.gen/go/cadence/workflowserviceclient"
"go.uber.org/cadence/activity"
"go.uber.org/cadence/worker"
"go.uber.org/cadence/workflow"
"github.com/uber/cadence/common"
"github.com/uber/cadence/common/archiver/provider"
"github.com/uber/cadence/common/cache"
"github.com/uber/cadence/common/dynamicconfig"
"github.com/uber/cadence/common/log"
"github.com/uber/cadence/common/log/tag"
"github.com/uber/cadence/common/metrics"
"github.com/uber/cadence/common/persistence"
)
type (
// ClientWorker is a cadence client worker
ClientWorker interface {
Start() error
Stop()
}
clientWorker struct {
worker worker.Worker
domainCache cache.DomainCache
}
// BootstrapContainer contains everything need for bootstrapping
BootstrapContainer struct {
PublicClient workflowserviceclient.Interface
MetricsClient metrics.Client
Logger log.Logger
HistoryV2Manager persistence.HistoryManager
DomainCache cache.DomainCache
Config *Config
ArchiverProvider provider.ArchiverProvider
}
// Config for ClientWorker
Config struct {
ArchiverConcurrency dynamicconfig.IntPropertyFn
ArchivalsPerIteration dynamicconfig.IntPropertyFn
TimeLimitPerArchivalIteration dynamicconfig.DurationPropertyFn
AllowArchivingIncompleteHistory dynamicconfig.BoolPropertyFn
}
contextKey int
)
const (
workflowIDPrefix = "cadence-archival"
decisionTaskList = "cadence-archival-tl"
signalName = "cadence-archival-signal"
archivalWorkflowFnName = "archivalWorkflow"
workflowStartToCloseTimeout = time.Hour * 24 * 30
workflowTaskStartToCloseTimeout = time.Minute
bootstrapContainerKey contextKey = iota
)
// these globals exist as a work around because no primitive exists to pass such objects to workflow code
var (
globalLogger log.Logger
globalMetricsClient metrics.Client
globalConfig *Config
)
func init() {
workflow.RegisterWithOptions(archivalWorkflow, workflow.RegisterOptions{Name: archivalWorkflowFnName})
activity.RegisterWithOptions(uploadHistoryActivity, activity.RegisterOptions{Name: uploadHistoryActivityFnName})
activity.RegisterWithOptions(deleteHistoryActivity, activity.RegisterOptions{Name: deleteHistoryActivityFnName})
activity.RegisterWithOptions(archiveVisibilityActivity, activity.RegisterOptions{Name: archiveVisibilityActivityFnName})
}
// NewClientWorker returns a new ClientWorker
func NewClientWorker(container *BootstrapContainer) ClientWorker {
globalLogger = container.Logger.WithTags(tag.ComponentArchiver, tag.WorkflowDomainName(common.SystemLocalDomainName))
globalMetricsClient = container.MetricsClient
globalConfig = container.Config
actCtx := context.WithValue(context.Background(), bootstrapContainerKey, container)
wo := worker.Options{
BackgroundActivityContext: actCtx,
}
return &clientWorker{
worker: worker.New(container.PublicClient, common.SystemLocalDomainName, decisionTaskList, wo),
domainCache: container.DomainCache,
}
}
// Start the ClientWorker
func (w *clientWorker) Start() error {
if err := w.worker.Start(); err != nil {
w.worker.Stop()
return err
}
return nil
}
// Stop the ClientWorker
func (w *clientWorker) Stop() {
w.worker.Stop()
w.domainCache.Stop()
}