/
action.go
75 lines (62 loc) · 2.37 KB
/
action.go
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// Copyright (c) 2021 The Jaeger Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package lookback
import (
"time"
"go.uber.org/zap"
"github.com/jaegertracing/jaeger/cmd/es-rollover/app"
"github.com/jaegertracing/jaeger/pkg/es/client"
"github.com/jaegertracing/jaeger/pkg/es/filter"
)
var timeNow func() time.Time = time.Now
// Action holds the configuration and clients for lookback action
type Action struct {
Config
IndicesClient client.IndexAPI
Logger *zap.Logger
}
// Do the lookback action
func (a *Action) Do() error {
rolloverIndices := app.RolloverIndices(a.Config.Archive, a.Config.SkipDependencies, a.Config.IndexPrefix)
for _, indexName := range rolloverIndices {
if err := a.lookback(indexName); err != nil {
return err
}
}
return nil
}
func (a *Action) lookback(indexSet app.IndexOption) error {
jaegerIndex, err := a.IndicesClient.GetJaegerIndices(a.Config.IndexPrefix)
if err != nil {
return err
}
readAliasName := indexSet.ReadAliasName()
readAliasIndices := filter.ByAlias(jaegerIndex, []string{readAliasName})
excludedWriteIndex := filter.ByAliasExclude(readAliasIndices, []string{indexSet.WriteAliasName()})
finalIndices := filter.ByDate(excludedWriteIndex, getTimeReference(timeNow(), a.Unit, a.UnitCount))
if len(finalIndices) == 0 {
a.Logger.Info("No indices to remove from alias", zap.String("readAliasName", readAliasName))
return nil
}
aliases := make([]client.Alias, 0, len(finalIndices))
a.Logger.Info("About to remove indices", zap.String("readAliasName", readAliasName), zap.Int("indicesCount", len(finalIndices)))
for _, index := range finalIndices {
aliases = append(aliases, client.Alias{
Index: index.Index,
Name: readAliasName,
})
a.Logger.Info("To be removed", zap.String("index", index.Index), zap.String("creationTime", index.CreationTime.String()))
}
return a.IndicesClient.DeleteAlias(aliases)
}