prometheus/web/status.go

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// 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/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.RuleManager
TargetPools map[string]*retrieval.TargetPool
Birth time.Time
PathPrefix string
}
// TargetStateToClass returns a map of TargetState to the name of a Bootstrap CSS class.
func (h *PrometheusStatusHandler) TargetStateToClass() map[retrieval.TargetState]string {
return map[retrieval.TargetState]string{
retrieval.Unknown: "warning",
retrieval.Healthy: "success",
retrieval.Unhealthy: "danger",
}
}
func (h *PrometheusStatusHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
executeTemplate(w, "status", h, h.PathPrefix)
}