mirror of
https://github.com/prometheus/prometheus
synced 2024-12-26 08:33:06 +00:00
62 lines
1.8 KiB
Go
62 lines
1.8 KiB
Go
// Copyright 2013 The Prometheus Authors
|
|
// 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 web
|
|
|
|
import (
|
|
"net/http"
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/prometheus/prometheus/config"
|
|
"github.com/prometheus/prometheus/retrieval"
|
|
"github.com/prometheus/prometheus/rules"
|
|
)
|
|
|
|
// PrometheusStatusHandler implements http.Handler.
|
|
type PrometheusStatusHandler struct {
|
|
mu sync.RWMutex
|
|
|
|
BuildInfo map[string]string
|
|
Config string
|
|
Flags map[string]string
|
|
|
|
RuleManager *rules.Manager
|
|
TargetPools func() map[string][]*retrieval.Target
|
|
|
|
Birth time.Time
|
|
PathPrefix string
|
|
}
|
|
|
|
// TargetHealthToClass returns a map of TargetHealth to the name of a Bootstrap CSS class.
|
|
func (h *PrometheusStatusHandler) TargetHealthToClass() map[retrieval.TargetHealth]string {
|
|
return map[retrieval.TargetHealth]string{
|
|
retrieval.HealthUnknown: "warning",
|
|
retrieval.HealthGood: "success",
|
|
retrieval.HealthBad: "danger",
|
|
}
|
|
}
|
|
|
|
func (h *PrometheusStatusHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
|
h.mu.RLock()
|
|
executeTemplate(w, "status", h, h.PathPrefix)
|
|
h.mu.RUnlock()
|
|
}
|
|
|
|
// ApplyConfig updates the status handler's state as the new config requires.
|
|
func (h *PrometheusStatusHandler) ApplyConfig(conf *config.Config) {
|
|
h.mu.Lock()
|
|
h.Config = conf.String()
|
|
h.mu.Unlock()
|
|
}
|