prometheus/service.go
2012-11-28 20:25:19 +01:00

73 lines
2.1 KiB
Go

// Copyright 2012 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 main
import (
"code.google.com/p/gorest"
"github.com/matttproud/prometheus/model"
"github.com/matttproud/prometheus/storage/metric/leveldb"
)
type MetricsService struct {
gorest.RestService `root:"/" consumes:"application/json" produces:"application/json"`
persistence *leveldb.LevelDBMetricPersistence
listLabels gorest.EndPoint `method:"GET" path:"/labels/" output:"[]string"`
listLabelPairs gorest.EndPoint `method:"GET" path:"/label-pairs/" output:"[]model.LabelPairs"`
listMetrics gorest.EndPoint `method:"GET" path:"/metrics/" output:"[]model.LabelPairs"`
appendSample gorest.EndPoint `method:"POST" path:"/metrics/" postdata:"model.Sample"`
}
func (m MetricsService) ListLabels() []string {
labels, labelsError := m.persistence.GetLabelNames()
if labelsError != nil {
m.ResponseBuilder().SetResponseCode(500)
}
return labels
}
func (m MetricsService) ListLabelPairs() []model.LabelPairs {
labelPairs, labelPairsError := m.persistence.GetLabelPairs()
if labelPairsError != nil {
m.ResponseBuilder().SetResponseCode(500)
}
return labelPairs
}
func (m MetricsService) ListMetrics() []model.LabelPairs {
metrics, metricsError := m.persistence.GetMetrics()
if metricsError != nil {
m.ResponseBuilder().SetResponseCode(500)
}
return metrics
}
func (m MetricsService) AppendSample(s model.Sample) {
responseBuilder := m.ResponseBuilder()
if appendError := m.persistence.AppendSample(&s); appendError == nil {
responseBuilder.SetResponseCode(200)
return
}
responseBuilder.SetResponseCode(500)
}