mirror of
https://github.com/grafana/grafana.git
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97 lines
2.7 KiB
Go
97 lines
2.7 KiB
Go
package notifiers
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import (
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"time"
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"github.com/grafana/grafana/pkg/bus"
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"github.com/grafana/grafana/pkg/components/simplejson"
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"github.com/grafana/grafana/pkg/log"
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m "github.com/grafana/grafana/pkg/models"
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"github.com/grafana/grafana/pkg/services/alerting"
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)
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func init() {
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alerting.RegisterNotifier(&alerting.NotifierPlugin{
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Type: "prometheus-alertmanager",
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Name: "Prometheus Alertmanager",
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Description: "Sends alert to Prometheus Alertmanager",
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Factory: NewAlertmanagerNotifier,
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OptionsTemplate: `
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<h3 class="page-heading">Alertmanager settings</h3>
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<div class="gf-form">
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<span class="gf-form-label width-10">Url</span>
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<input type="text" required class="gf-form-input max-width-26" ng-model="ctrl.model.settings.url" placeholder="http://localhost:9093"></input>
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</div>
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`,
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})
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}
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func NewAlertmanagerNotifier(model *m.AlertNotification) (alerting.Notifier, error) {
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url := model.Settings.Get("url").MustString()
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if url == "" {
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return nil, alerting.ValidationError{Reason: "Could not find url property in settings"}
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}
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return &AlertmanagerNotifier{
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NotifierBase: NewNotifierBase(model.Id, model.IsDefault, model.Name, model.Type, model.Settings),
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Url: url,
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log: log.New("alerting.notifier.prometheus-alertmanager"),
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}, nil
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}
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type AlertmanagerNotifier struct {
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NotifierBase
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Url string
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log log.Logger
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}
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func (this *AlertmanagerNotifier) ShouldNotify(evalContext *alerting.EvalContext) bool {
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return evalContext.Rule.State == m.AlertStateAlerting
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}
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func (this *AlertmanagerNotifier) Notify(evalContext *alerting.EvalContext) error {
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alerts := make([]interface{}, 0)
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for _, match := range evalContext.EvalMatches {
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alertJSON := simplejson.New()
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alertJSON.Set("startsAt", evalContext.StartTime.UTC().Format(time.RFC3339))
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if ruleUrl, err := evalContext.GetRuleUrl(); err == nil {
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alertJSON.Set("generatorURL", ruleUrl)
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}
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if evalContext.Rule.Message != "" {
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alertJSON.SetPath([]string{"annotations", "description"}, evalContext.Rule.Message)
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}
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tags := make(map[string]string)
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if len(match.Tags) == 0 {
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tags["metric"] = match.Metric
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} else {
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for k, v := range match.Tags {
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tags[k] = v
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}
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}
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tags["alertname"] = evalContext.Rule.Name
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alertJSON.Set("labels", tags)
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alerts = append(alerts, alertJSON)
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}
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bodyJSON := simplejson.NewFromAny(alerts)
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body, _ := bodyJSON.MarshalJSON()
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cmd := &m.SendWebhookSync{
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Url: this.Url + "/api/v1/alerts",
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HttpMethod: "POST",
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Body: string(body),
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}
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if err := bus.DispatchCtx(evalContext.Ctx, cmd); err != nil {
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this.log.Error("Failed to send alertmanager", "error", err, "alertmanager", this.Name)
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return err
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}
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return nil
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}
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