prometheus/web/status.go

70 lines
1.8 KiB
Go

// Copyright 2013 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 web
import (
"flag"
"github.com/prometheus/prometheus/config"
"github.com/prometheus/prometheus/retrieval"
"github.com/prometheus/prometheus/storage/metric"
"net/http"
"sync"
)
type PrometheusStatus struct {
BuildInfo map[string]string
Config string
Curation metric.CurationState
Flags map[string]string
Rules string
TargetPools map[string]*retrieval.TargetPool
}
type StatusHandler struct {
BuildInfo map[string]string
Config *config.Config
CurationState chan metric.CurationState
PrometheusStatus *PrometheusStatus
TargetManager retrieval.TargetManager
mutex sync.Mutex
}
func (h *StatusHandler) ServeRequestsForever() {
flags := map[string]string{}
flag.VisitAll(func(f *flag.Flag) {
flags[f.Name] = f.Value.String()
})
h.PrometheusStatus = &PrometheusStatus{
BuildInfo: h.BuildInfo,
Config: h.Config.String(),
Flags: flags,
Rules: "TODO: list rules here",
TargetPools: h.TargetManager.Pools(),
}
for state := range h.CurationState {
h.Lock()
h.PrometheusStatus.Curation = state
h.Unlock()
}
}
func (h *StatusHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
h.Lock()
defer h.Unlock()
executeTemplate(w, "status", h.PrometheusStatus)
}