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// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package jobs
import (
"sync"
l4g "github.com/alecthomas/log4go"
ejobs "github.com/mattermost/platform/einterfaces/jobs"
"github.com/mattermost/platform/model"
"github.com/mattermost/platform/utils"
)
type Workers struct {
startOnce sync.Once
watcher *Watcher
DataRetention model.Worker
ElasticsearchIndexing model.Worker
ElasticsearchAggregation model.Worker
listenerId string
}
func InitWorkers() *Workers {
workers := &Workers{}
workers.watcher = MakeWatcher(workers)
if dataRetentionInterface := ejobs.GetDataRetentionInterface(); dataRetentionInterface != nil {
workers.DataRetention = dataRetentionInterface.MakeWorker()
}
if elasticsearchIndexerInterface := ejobs.GetElasticsearchIndexerInterface(); elasticsearchIndexerInterface != nil {
workers.ElasticsearchIndexing = elasticsearchIndexerInterface.MakeWorker()
}
if elasticsearchAggregatorInterface := ejobs.GetElasticsearchAggregatorInterface(); elasticsearchAggregatorInterface != nil {
workers.ElasticsearchAggregation = elasticsearchAggregatorInterface.MakeWorker()
}
return workers
}
func (workers *Workers) Start() *Workers {
l4g.Info("Starting workers")
workers.startOnce.Do(func() {
if workers.DataRetention != nil && *utils.Cfg.DataRetentionSettings.Enable {
go workers.DataRetention.Run()
}
if workers.ElasticsearchIndexing != nil && *utils.Cfg.ElasticsearchSettings.EnableIndexing {
go workers.ElasticsearchIndexing.Run()
}
if workers.ElasticsearchAggregation != nil && *utils.Cfg.ElasticsearchSettings.EnableIndexing {
go workers.ElasticsearchAggregation.Run()
}
go workers.watcher.Start()
})
workers.listenerId = utils.AddConfigListener(workers.handleConfigChange)
return workers
}
func (workers *Workers) handleConfigChange(oldConfig *model.Config, newConfig *model.Config) {
if workers.DataRetention != nil {
if !*oldConfig.DataRetentionSettings.Enable && *newConfig.DataRetentionSettings.Enable {
go workers.DataRetention.Run()
} else if *oldConfig.DataRetentionSettings.Enable && !*newConfig.DataRetentionSettings.Enable {
workers.DataRetention.Stop()
}
}
if workers.ElasticsearchIndexing != nil {
if !*oldConfig.ElasticsearchSettings.EnableIndexing && *newConfig.ElasticsearchSettings.EnableIndexing {
go workers.ElasticsearchIndexing.Run()
} else if *oldConfig.ElasticsearchSettings.EnableIndexing && !*newConfig.ElasticsearchSettings.EnableIndexing {
workers.ElasticsearchIndexing.Stop()
}
}
if workers.ElasticsearchAggregation != nil {
if !*oldConfig.ElasticsearchSettings.EnableIndexing && *newConfig.ElasticsearchSettings.EnableIndexing {
go workers.ElasticsearchAggregation.Run()
} else if *oldConfig.ElasticsearchSettings.EnableIndexing && !*newConfig.ElasticsearchSettings.EnableIndexing {
workers.ElasticsearchAggregation.Stop()
}
}
}
func (workers *Workers) Stop() *Workers {
utils.RemoveConfigListener(workers.listenerId)
workers.watcher.Stop()
if workers.DataRetention != nil && *utils.Cfg.DataRetentionSettings.Enable {
workers.DataRetention.Stop()
}
if workers.ElasticsearchIndexing != nil && *utils.Cfg.ElasticsearchSettings.EnableIndexing {
workers.ElasticsearchIndexing.Stop()
}
if workers.ElasticsearchAggregation != nil && *utils.Cfg.ElasticsearchSettings.EnableIndexing {
workers.ElasticsearchAggregation.Stop()
}
l4g.Info("Stopped workers")
return workers
}
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