96 lines
2.3 KiB
Go
96 lines
2.3 KiB
Go
// Copyright 2012 Prometheus Team
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package model
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import (
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"code.google.com/p/goprotobuf/proto"
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"crypto/md5"
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"encoding/hex"
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data "github.com/matttproud/prometheus/model/generated"
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"io"
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"sort"
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)
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func SampleToMetricDDO(s *Sample) *data.MetricDDO {
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labelLength := len(s.Labels)
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labelNames := make([]string, 0, labelLength)
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for labelName := range s.Labels {
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labelNames = append(labelNames, string(labelName))
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}
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sort.Strings(labelNames)
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labelPairs := make([]*data.LabelPairDDO, 0, labelLength)
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for _, labelName := range labelNames {
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labelValue := s.Labels[labelName]
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labelPair := &data.LabelPairDDO{
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Name: proto.String(string(labelName)),
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Value: proto.String(string(labelValue)),
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}
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labelPairs = append(labelPairs, labelPair)
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}
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return &data.MetricDDO{
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LabelPair: labelPairs,
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}
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}
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func MetricToMetricDDO(m *Metric) *data.MetricDDO {
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metricLength := len(*m)
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labelNames := make([]string, 0, metricLength)
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for labelName := range *m {
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labelNames = append(labelNames, string(labelName))
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}
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sort.Strings(labelNames)
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labelPairs := make([]*data.LabelPairDDO, 0, metricLength)
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for _, labelName := range labelNames {
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labelValue := (*m)[labelName]
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labelPair := &data.LabelPairDDO{
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Name: proto.String(string(labelName)),
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Value: proto.String(string(labelValue)),
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}
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labelPairs = append(labelPairs, labelPair)
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}
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return &data.MetricDDO{
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LabelPair: labelPairs,
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}
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}
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func BytesToFingerprintDDO(b []byte) *data.FingerprintDDO {
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return &data.FingerprintDDO{
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Signature: proto.String(string(b)),
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}
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}
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func StringToFingerprint(v string) Fingerprint {
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hash := md5.New()
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io.WriteString(hash, v)
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return Fingerprint(hex.EncodeToString(hash.Sum([]byte{})))
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}
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func BytesToFingerprint(v []byte) Fingerprint {
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hash := md5.New()
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hash.Write(v)
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return Fingerprint(hex.EncodeToString(hash.Sum([]byte{})))
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}
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