/
alias.go
70 lines (62 loc) · 2.09 KB
/
alias.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 filter
import (
"github.com/jaegertracing/jaeger/pkg/es/client"
)
// AliasExists check if the some of indices has a certain alias name
func AliasExists(indices []client.Index, aliasName string) bool {
aliases := ByAlias(indices, []string{aliasName})
return len(aliases) > 0
}
// ByAlias filter indices that have an alias in the array of alias
func ByAlias(indices []client.Index, aliases []string) []client.Index {
return filterByAliasWithOptions(indices, aliases, false)
}
// ByAliasExclude filter indices that doesn't have an alias in the array of alias
func ByAliasExclude(indices []client.Index, aliases []string) []client.Index {
return filterByAliasWithOptions(indices, aliases, true)
}
func filterByAliasWithOptions(indices []client.Index, aliases []string, exclude bool) []client.Index {
var results []client.Index
for _, alias := range aliases {
for _, index := range indices {
hasAlias := index.Aliases[alias]
if hasAlias {
results = append(results, index)
}
}
}
if exclude {
return exlude(indices, results)
}
return results
}
func exlude(indices []client.Index, exclusionList []client.Index) []client.Index {
excludedIndices := make([]client.Index, 0, len(indices))
for _, idx := range indices {
if !contains(idx, exclusionList) {
excludedIndices = append(excludedIndices, idx)
}
}
return excludedIndices
}
func contains(index client.Index, indexList []client.Index) bool {
for _, idx := range indexList {
if idx.Index == index.Index {
return true
}
}
return false
}