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99 lines
2.7 KiB
Go
99 lines
2.7 KiB
Go
package notifiers
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import (
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"fmt"
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"net/url"
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"github.com/grafana/grafana/pkg/bus"
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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: "LINE",
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Name: "LINE",
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Description: "Send notifications to LINE notify",
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Factory: NewLINENotifier,
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OptionsTemplate: `
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<div class="gf-form-group">
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<h3 class="page-heading">LINE notify settings</h3>
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<div class="gf-form">
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<span class="gf-form-label width-14">Token</span>
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<input type="text" required class="gf-form-input max-width-22" ng-model="ctrl.model.settings.token" placeholder="LINE notify token key"></input>
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</div>
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</div>
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`,
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})
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}
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const (
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lineNotifyUrl string = "https://notify-api.line.me/api/notify"
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)
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func NewLINENotifier(model *m.AlertNotification) (alerting.Notifier, error) {
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token := model.Settings.Get("token").MustString()
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if token == "" {
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return nil, alerting.ValidationError{Reason: "Could not find token in settings"}
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}
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return &LineNotifier{
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NotifierBase: NewNotifierBase(model.Id, model.IsDefault, model.Name, model.Type, model.NotifyOnce, model.Frequency, model.Settings),
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Token: token,
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log: log.New("alerting.notifier.line"),
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}, nil
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}
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type LineNotifier struct {
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NotifierBase
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Token string
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log log.Logger
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}
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func (this *LineNotifier) Notify(evalContext *alerting.EvalContext) error {
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this.log.Info("Executing line notification", "ruleId", evalContext.Rule.Id, "notification", this.Name)
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var err error
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switch evalContext.Rule.State {
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case m.AlertStateAlerting:
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err = this.createAlert(evalContext)
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}
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return err
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}
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func (this *LineNotifier) createAlert(evalContext *alerting.EvalContext) error {
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this.log.Info("Creating Line notify", "ruleId", evalContext.Rule.Id, "notification", this.Name)
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ruleUrl, err := evalContext.GetRuleUrl()
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if err != nil {
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this.log.Error("Failed get rule link", "error", err)
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return err
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}
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form := url.Values{}
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body := fmt.Sprintf("%s - %s\n%s", evalContext.Rule.Name, ruleUrl, evalContext.Rule.Message)
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form.Add("message", body)
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if evalContext.ImagePublicUrl != "" {
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form.Add("imageThumbnail", evalContext.ImagePublicUrl)
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form.Add("imageFullsize", evalContext.ImagePublicUrl)
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}
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cmd := &m.SendWebhookSync{
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Url: lineNotifyUrl,
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HttpMethod: "POST",
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HttpHeader: map[string]string{
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"Authorization": fmt.Sprintf("Bearer %s", this.Token),
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"Content-Type": "application/x-www-form-urlencoded;charset=UTF-8",
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},
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Body: form.Encode(),
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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 notification to LINE", "error", err, "body", body)
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return err
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}
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return nil
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}
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