Files
cloudpods/pkg/monitor/alerting/notifiers/onecloud.go
T
2020-09-22 11:36:17 +08:00

250 lines
7.2 KiB
Go

// Copyright 2019 Yunion
//
// 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 notifiers
import (
"context"
"fmt"
"golang.org/x/text/language"
"yunion.io/x/jsonutils"
"yunion.io/x/log"
"yunion.io/x/pkg/errors"
"yunion.io/x/onecloud/pkg/apis/monitor"
"yunion.io/x/onecloud/pkg/cloudcommon/db"
"yunion.io/x/onecloud/pkg/cloudcommon/notifyclient"
"yunion.io/x/onecloud/pkg/httperrors"
"yunion.io/x/onecloud/pkg/i18n"
"yunion.io/x/onecloud/pkg/mcclient"
"yunion.io/x/onecloud/pkg/mcclient/auth"
"yunion.io/x/onecloud/pkg/mcclient/modules/notify"
"yunion.io/x/onecloud/pkg/monitor/alerting"
"yunion.io/x/onecloud/pkg/monitor/alerting/notifiers/templates"
"yunion.io/x/onecloud/pkg/monitor/options"
)
func init() {
alerting.RegisterNotifier(&alerting.NotifierPlugin{
Type: monitor.AlertNotificationTypeOneCloud,
Factory: newOneCloudNotifier,
ValidateCreateData: func(cred mcclient.IIdentityProvider, input monitor.NotificationCreateInput) (monitor.NotificationCreateInput, error) {
settings := new(monitor.NotificationSettingOneCloud)
if err := input.Settings.Unmarshal(settings); err != nil {
return input, errors.Wrap(err, "unmarshal setting")
}
if settings.Channel == "" {
return input, httperrors.NewInputParameterError("channel is empty")
}
ids := make([]string, 0)
for _, uid := range settings.UserIds {
obj, err := db.UserCacheManager.FetchUserByIdOrName(context.TODO(), uid)
if err != nil {
return input, errors.Wrapf(err, "fetch setting uid %s", uid)
}
ids = append(ids, obj.GetId())
}
settings.UserIds = ids
input.Settings = jsonutils.Marshal(settings)
return input, nil
},
})
}
// OneCloudNotifier is responsible for sending
// alert notifications over onecloud notify service.
type OneCloudNotifier struct {
NotifierBase
Setting *monitor.NotificationSettingOneCloud
session *mcclient.ClientSession
}
func newOneCloudNotifier(config alerting.NotificationConfig) (alerting.Notifier, error) {
setting := new(monitor.NotificationSettingOneCloud)
if err := config.Settings.Unmarshal(setting); err != nil {
return nil, errors.Wrapf(err, "unmarshal onecloud setting %s", config.Settings)
}
return &OneCloudNotifier{
NotifierBase: NewNotifierBase(config),
Setting: setting,
session: auth.GetAdminSession(context.Background(), options.Options.Region, ""),
}, nil
}
func GetNotifyTemplateConfig(ctx *alerting.EvalContext) monitor.NotificationTemplateConfig {
priority := notify.NotifyPriorityNormal
level := "普通"
switch ctx.Rule.Level {
case "", "normal":
priority = notify.NotifyPriorityNormal
case "important":
priority = notify.NotifyPriorityImportant
level = "重要"
case "fatal", "critical":
priority = notify.NotifyPriorityCritical
level = "致命"
}
topic := fmt.Sprintf("[%s]", level)
isRecovery := false
if ctx.Rule.State == monitor.AlertStateOK {
isRecovery = true
topic = fmt.Sprintf("%s %s 告警已恢复", topic, ctx.GetRuleTitle())
} else if ctx.NoDataFound {
topic = fmt.Sprintf("%s %s 暂无数据", topic, ctx.GetRuleTitle())
} else {
topic = fmt.Sprintf("%s %s 发生告警", topic, ctx.GetRuleTitle())
}
config := ctx.GetNotificationTemplateConfig()
config.Title = topic
config.Level = level
config.Priority = string(priority)
config.IsRecovery = isRecovery
return config
}
func GetNotifyTemplateConfigOfEN(ctx *alerting.EvalContext) monitor.NotificationTemplateConfig {
priority := notify.NotifyPriorityNormal
level := "Normal"
switch ctx.Rule.Level {
case "", "normal":
priority = notify.NotifyPriorityNormal
case "important":
priority = notify.NotifyPriorityImportant
level = "Important"
case "fatal", "critical":
priority = notify.NotifyPriorityCritical
level = "Critical"
}
topic := fmt.Sprintf("[%s]", level)
isRecovery := false
if ctx.Rule.State == monitor.AlertStateOK {
isRecovery = true
topic = fmt.Sprintf("%s %s Alarm recovered", topic, ctx.GetRuleTitle())
} else if ctx.NoDataFound {
topic = fmt.Sprintf("%s %s No data available", topic, ctx.GetRuleTitle())
} else {
topic = fmt.Sprintf("%s %s Alarm", topic, ctx.GetRuleTitle())
}
config := ctx.GetNotificationTemplateConfig()
config.Title = topic
config.Level = level
config.Priority = string(priority)
config.IsRecovery = isRecovery
return config
}
// Notify sends the alert notification.
func (oc *OneCloudNotifier) Notify(ctx *alerting.EvalContext, _ jsonutils.JSONObject) error {
log.Infof("Sending alert notification %s to onecloud", ctx.GetRuleTitle())
var config monitor.NotificationTemplateConfig
lang := i18n.Lang(ctx.Ctx)
switch lang {
case language.English:
config = GetNotifyTemplateConfigOfEN(ctx)
default:
config = GetNotifyTemplateConfig(ctx)
}
contentConfig := oc.buildContent(config)
var content string
var err error
switch oc.Setting.Channel {
case string(notify.NotifyByEmail):
content, err = contentConfig.GenerateEmailMarkdown()
default:
content, err = contentConfig.GenerateMarkdown()
}
if err != nil {
return errors.Wrap(err, "build content")
}
msg := notify.SNotifyMessage{
Uid: oc.Setting.UserIds,
ContactType: notify.TNotifyChannel(oc.Setting.Channel),
Topic: config.Title,
Priority: notify.TNotifyPriority(config.Priority),
Msg: content,
}
factory := new(sendBodyFactory)
sendImp := factory.newSendnotify(oc, msg, config)
return sendImp.send()
}
func (oc *OneCloudNotifier) buildContent(config monitor.NotificationTemplateConfig) *templates.TemplateConfig {
return templates.NewTemplateConfig(config)
}
type sendBodyFactory struct {
}
func (f *sendBodyFactory) newSendnotify(notifier *OneCloudNotifier, message notify.SNotifyMessage,
config monitor.NotificationTemplateConfig) Isendnotify {
def := new(sendnotifyBase)
def.OneCloudNotifier = notifier
def.msg = message
def.config = config
if len(notifier.Setting.UserIds) == 0 {
sys := new(sendSysImpl)
sys.sendnotifyBase = def
return sys
}
switch notifier.Setting.Channel {
case monitor.DEFAULT_SEND_NOTIFY_CHANNEL:
user := new(sendUserImpl)
user.sendnotifyBase = def
return user
default:
return def
}
}
type Isendnotify interface {
send() error
}
type sendnotifyBase struct {
*OneCloudNotifier
msg notify.SNotifyMessage
config monitor.NotificationTemplateConfig
}
func (s *sendnotifyBase) send() error {
return notify.Notifications.Send(s.session, s.msg)
}
type sendUserImpl struct {
*sendnotifyBase
}
func (s *sendUserImpl) send() error {
return notifyclient.NotifyAllWithoutRobot(s.Setting.UserIds, false, notify.TNotifyPriority(s.msg.Priority),
"DEFAULT", jsonutils.Marshal(&s.config))
}
type sendSysImpl struct {
*sendnotifyBase
}
func (s *sendSysImpl) send() error {
notifyclient.SystemNotify(notify.TNotifyPriority(s.msg.Priority), s.msg.Topic,
jsonutils.NewString(s.msg.Msg))
return nil
}