mirror of
https://github.com/prometheus/prometheus.git
synced 2024-09-21 00:07:36 -07:00
71 lines
1.9 KiB
Go
71 lines
1.9 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 web
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import (
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"flag"
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"github.com/prometheus/prometheus/config"
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"github.com/prometheus/prometheus/retrieval"
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"github.com/prometheus/prometheus/storage/metric"
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"net/http"
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"sync"
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)
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type PrometheusStatus struct {
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BuildInfo map[string]string
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Config string
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Curation metric.CurationState
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Flags map[string]string
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Rules string
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TargetPools map[string]*retrieval.TargetPool
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}
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type StatusHandler struct {
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sync.Mutex
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BuildInfo map[string]string
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Config *config.Config
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CurationState chan metric.CurationState
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PrometheusStatus *PrometheusStatus
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TargetManager retrieval.TargetManager
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}
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func (h *StatusHandler) ServeRequestsForever() {
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flags := map[string]string{}
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flag.VisitAll(func(f *flag.Flag) {
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flags[f.Name] = f.Value.String()
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})
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h.PrometheusStatus = &PrometheusStatus{
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BuildInfo: h.BuildInfo,
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Config: h.Config.String(),
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Flags: flags,
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Rules: "TODO: list rules here",
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// BUG: race condition, concurrent map access
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TargetPools: h.TargetManager.Pools(),
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}
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for state := range h.CurationState {
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h.Lock()
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h.PrometheusStatus.Curation = state
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h.Unlock()
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}
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}
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func (h *StatusHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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h.Lock()
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defer h.Unlock()
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executeTemplate(w, "status", h.PrometheusStatus)
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}
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