prometheus/storage/metric/dto.go
2013-06-25 15:52:42 +02:00

69 lines
1.7 KiB
Go

// Copyright 2013 Prometheus Team
// 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 metric
import (
"sort"
"code.google.com/p/goprotobuf/proto"
clientmodel "github.com/prometheus/client_golang/model"
dto "github.com/prometheus/prometheus/model/generated"
)
func dumpFingerprint(d *dto.Fingerprint, f *clientmodel.Fingerprint) {
d.Reset()
d.Signature = proto.String(f.String())
}
func loadFingerprint(f *clientmodel.Fingerprint, d *dto.Fingerprint) {
f.LoadFromString(d.GetSignature())
}
func dumpMetric(d *dto.Metric, m clientmodel.Metric) {
d.Reset()
metricLength := len(m)
labelNames := make([]string, 0, metricLength)
for labelName := range m {
labelNames = append(labelNames, string(labelName))
}
sort.Strings(labelNames)
pairs := make([]*dto.LabelPair, 0, metricLength)
for _, labelName := range labelNames {
l := clientmodel.LabelName(labelName)
labelValue := m[l]
labelPair := &dto.LabelPair{
Name: proto.String(string(labelName)),
Value: proto.String(string(labelValue)),
}
pairs = append(pairs, labelPair)
}
d.LabelPair = pairs
}
func dumpLabelName(d *dto.LabelName, l clientmodel.LabelName) {
d.Reset()
d.Name = proto.String(string(l))
}