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alerts.go
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/
alerts.go
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// 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 (
"net/http"
"sort"
"github.com/prometheus/alertmanager/manager"
)
type AlertStatus struct {
AlertAggregates manager.AlertAggregates
SilenceForAlert func(*manager.Alert) *manager.Silence
}
type AlertsHandler struct {
Manager manager.AlertManager
IsSilencedInterrogator manager.IsSilencedInterrogator
PathPrefix string
}
func (h *AlertsHandler) silenceForAlert(a *manager.Alert) *manager.Silence {
_, silence := h.IsSilencedInterrogator.IsSilenced(a.Labels)
return silence
}
type aggregatesByLabelset struct {
manager.AlertAggregates
}
func (aggs aggregatesByLabelset) Less(i, j int) bool {
iAlert := aggs.AlertAggregates[i].Alert
jAlert := aggs.AlertAggregates[j].Alert
if iAlert.Name() == jAlert.Name() {
return iAlert.Fingerprint() < jAlert.Fingerprint()
}
return iAlert.Name() < jAlert.Name()
}
func (h *AlertsHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
aggs := h.Manager.GetAll(nil)
sort.Sort(aggregatesByLabelset{aggs})
alertStatus := &AlertStatus{
AlertAggregates: aggs,
SilenceForAlert: h.silenceForAlert,
}
executeTemplate(w, "alerts", alertStatus, h.PathPrefix)
}