mirror of
https://github.com/prometheus/prometheus.git
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385919a65a
Appending to the storage can block for a long time. Timing out scrapes can also cause longer blocks. This commit avoids that those blocks affect other compnents than the target itself. Also the Target interface was removed.
62 lines
1.8 KiB
Go
62 lines
1.8 KiB
Go
// Copyright 2013 The Prometheus Authors
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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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"net/http"
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"sync"
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"time"
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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/rules"
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)
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// PrometheusStatusHandler implements http.Handler.
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type PrometheusStatusHandler struct {
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mu sync.RWMutex
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BuildInfo map[string]string
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Config string
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Flags map[string]string
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RuleManager *rules.Manager
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TargetPools func() map[string][]*retrieval.Target
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Birth time.Time
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PathPrefix string
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}
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// TargetHealthToClass returns a map of TargetHealth to the name of a Bootstrap CSS class.
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func (h *PrometheusStatusHandler) TargetHealthToClass() map[retrieval.TargetHealth]string {
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return map[retrieval.TargetHealth]string{
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retrieval.HealthUnknown: "warning",
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retrieval.HealthBad: "success",
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retrieval.HealthGood: "danger",
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}
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}
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func (h *PrometheusStatusHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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h.mu.RLock()
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executeTemplate(w, "status", h, h.PathPrefix)
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h.mu.RUnlock()
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}
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// ApplyConfig updates the status handler's state as the new config requires.
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func (h *PrometheusStatusHandler) ApplyConfig(conf *config.Config) {
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h.mu.Lock()
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h.Config = conf.String()
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h.mu.Unlock()
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}
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