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grafana/pkg/services/ngalert/notifier/channels/dingding.go

123 lines
3.3 KiB

package channels
import (
"context"
"encoding/json"
"net/url"
gokit_log "github.com/go-kit/kit/log"
"github.com/pkg/errors"
"github.com/prometheus/alertmanager/notify"
"github.com/prometheus/alertmanager/template"
"github.com/prometheus/alertmanager/types"
"github.com/grafana/grafana/pkg/bus"
"github.com/grafana/grafana/pkg/infra/log"
"github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/services/alerting"
old_notifiers "github.com/grafana/grafana/pkg/services/alerting/notifiers"
)
const defaultDingdingMsgType = "link"
// NewDingDingNotifier is the constructor for the Dingding notifier
func NewDingDingNotifier(model *models.AlertNotification, t *template.Template) (*DingDingNotifier, error) {
if model.Settings == nil {
return nil, alerting.ValidationError{Reason: "No Settings Supplied"}
}
url := model.Settings.Get("url").MustString()
if url == "" {
return nil, alerting.ValidationError{Reason: "Could not find url property in settings"}
}
msgType := model.Settings.Get("msgType").MustString(defaultDingdingMsgType)
return &DingDingNotifier{
NotifierBase: old_notifiers.NewNotifierBase(model),
MsgType: msgType,
URL: url,
Message: model.Settings.Get("message").MustString(`{{ template "default.message" .}}`),
log: log.New("alerting.notifier.dingding"),
tmpl: t,
}, nil
}
// DingDingNotifier is responsible for sending alert notifications to ding ding.
type DingDingNotifier struct {
old_notifiers.NotifierBase
MsgType string
URL string
Message string
tmpl *template.Template
log log.Logger
}
// Notify sends the alert notification to dingding.
func (dd *DingDingNotifier) Notify(ctx context.Context, as ...*types.Alert) (bool, error) {
dd.log.Info("Sending dingding")
q := url.Values{
"pc_slide": {"false"},
"url": {dd.tmpl.ExternalURL.String()}, // TODO: should this be rule URL according to original?
}
// Use special link to auto open the message url outside of Dingding
// Refer: https://open-doc.dingtalk.com/docs/doc.htm?treeId=385&articleId=104972&docType=1#s9
messageURL := "dingtalk://dingtalkclient/page/link?" + q.Encode()
data := notify.GetTemplateData(ctx, dd.tmpl, as, gokit_log.NewNopLogger())
var tmplErr error
tmpl := notify.TmplText(dd.tmpl, data, &tmplErr)
message := tmpl(dd.Message)
title := getTitleFromTemplateData(data)
var bodyMsg map[string]interface{}
if dd.MsgType == "actionCard" {
bodyMsg = map[string]interface{}{
"msgtype": "actionCard",
"actionCard": map[string]string{
"text": message,
"title": title,
"singleTitle": "More",
"singleURL": messageURL,
},
}
} else {
link := map[string]string{
"text": message,
"title": title,
"messageUrl": messageURL,
}
bodyMsg = map[string]interface{}{
"msgtype": "link",
"link": link,
}
}
if tmplErr != nil {
return false, errors.Wrap(tmplErr, "failed to template dingding message")
}
body, err := json.Marshal(bodyMsg)
if err != nil {
return false, err
}
cmd := &models.SendWebhookSync{
Url: dd.URL,
Body: string(body),
}
if err := bus.DispatchCtx(ctx, cmd); err != nil {
return false, errors.Wrap(err, "send notification to dingding")
}
return true, nil
}
func (dd *DingDingNotifier) SendResolved() bool {
return !dd.GetDisableResolveMessage()
}