youtubebeat/vendor/github.com/elastic/beats/libbeat/kibana/transformer.go

64 lines
1.8 KiB
Go

// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you 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 kibana
import (
"github.com/elastic/beats/libbeat/common"
"github.com/elastic/go-ucfg/yaml"
)
type transformer struct {
entries []kibanaEntry
}
type kibanaEntry struct {
Kibana struct {
SourceFilters []string `config:"source_filters"`
} `config:"kibana"`
}
func newTransformer(entries []kibanaEntry) *transformer {
return &transformer{entries: entries}
}
func (t *transformer) transform() common.MapStr {
transformed := common.MapStr{}
var srcFilters []common.MapStr
for _, entry := range t.entries {
for _, sourceFilter := range entry.Kibana.SourceFilters {
srcFilters = append(srcFilters, common.MapStr{"value": sourceFilter})
}
}
if len(srcFilters) > 0 {
transformed["sourceFilters"] = srcFilters
}
return transformed
}
func loadKibanaEntriesFromYaml(yamlFile string) ([]kibanaEntry, error) {
entries := []kibanaEntry{}
cfg, err := yaml.NewConfigWithFile(yamlFile)
if err != nil {
return nil, err
}
err = cfg.Unpack(&entries)
if err != nil {
return nil, err
}
return entries, nil
}