70 lines
2.1 KiB
Go
70 lines
2.1 KiB
Go
// Copyright 2013 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 api
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import (
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"encoding/json"
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"net/http"
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clientmodel "github.com/prometheus/client_golang/model"
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"github.com/prometheus/prometheus/retrieval"
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"github.com/prometheus/prometheus/web/http_utils"
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)
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type TargetGroup struct {
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Endpoints []string `json:"endpoints"`
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BaseLabels map[string]string `json:"baseLabels"`
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}
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func (serv MetricsService) SetTargets(w http.ResponseWriter, r *http.Request) {
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params := http_utils.GetQueryParams(r)
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jobName := params.Get("job")
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decoder := json.NewDecoder(r.Body)
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var targetGroups []TargetGroup
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err := decoder.Decode(&targetGroups)
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if err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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job := serv.Config.GetJobByName(jobName)
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if job == nil {
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http.Error(w, "job not found", http.StatusNotFound)
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return
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}
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newTargets := []retrieval.Target{}
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for _, targetGroup := range targetGroups {
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// Do mandatory map type conversion due to Go shortcomings.
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baseLabels := clientmodel.LabelSet{
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clientmodel.JobLabel: clientmodel.LabelValue(job.GetName()),
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}
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for label, value := range targetGroup.BaseLabels {
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baseLabels[clientmodel.LabelName(label)] = clientmodel.LabelValue(value)
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}
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for _, endpoint := range targetGroup.Endpoints {
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newTarget := retrieval.NewTarget(endpoint, job.ScrapeTimeout(), baseLabels)
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newTargets = append(newTargets, newTarget)
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}
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}
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// BUG(julius): Validate that this ScrapeInterval is in fact the proper one
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// for the job.
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serv.TargetManager.ReplaceTargets(*job, newTargets)
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}
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