Files
cloudpods/pkg/monitor/alerting/notifiers/auto_migration.go
2022-08-25 09:43:50 +08:00

103 lines
3.3 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 (
"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/mcclient"
"yunion.io/x/onecloud/pkg/mcclient/auth"
"yunion.io/x/onecloud/pkg/monitor/alerting"
"yunion.io/x/onecloud/pkg/monitor/controller/balancer"
"yunion.io/x/onecloud/pkg/monitor/models"
"yunion.io/x/onecloud/pkg/monitor/options"
)
func init() {
alerting.RegisterNotifier(&alerting.NotifierPlugin{
Type: monitor.AlertNotificationTypeAutoMigration,
Factory: newAutoMigratingNotifier,
ValidateCreateData: func(cred mcclient.IIdentityProvider, input monitor.NotificationCreateInput) (monitor.NotificationCreateInput, error) {
settings := new(monitor.NotificationSettingAutoMigration)
if err := input.Settings.Unmarshal(settings); err != nil {
return input, errors.Wrap(err, "Unmarshal setting")
}
input.Settings = jsonutils.Marshal(settings)
return input, nil
},
})
}
type autoMigrationNotifier struct {
NotifierBase
Settings *monitor.NotificationSettingAutoMigration
}
func newAutoMigratingNotifier(conf alerting.NotificationConfig) (alerting.Notifier, error) {
settings := new(monitor.NotificationSettingAutoMigration)
if err := conf.Settings.Unmarshal(settings); err != nil {
return nil, errors.Wrap(err, "unmarshal setting")
}
return &autoMigrationNotifier{
NotifierBase: NewNotifierBase(conf),
Settings: settings,
}, nil
}
func (am *autoMigrationNotifier) getBalancerRules(ctx *alerting.EvalContext, alert *models.SMigrationAlert) (*balancer.Rules, error) {
if len(ctx.EvalMatches) >= 1 {
log.Warningf("EvalMatches great than 1, use first one")
} else {
return nil, errors.Errorf("Matches not >= 1 %d", len(ctx.EvalMatches))
}
match := ctx.EvalMatches[0]
drv, err := balancer.GetMetricDrivers().Get(alert.GetMetricType())
if err != nil {
return nil, errors.Wrap(err, "Get metric driver")
}
log.Infof("autoMigrationNotifier for evalMatch: %s", jsonutils.Marshal(match))
return balancer.NewRules(ctx, match, alert, drv, options.Options.AutoMigrationMustPair)
}
func (am *autoMigrationNotifier) Notify(ctx *alerting.EvalContext, data jsonutils.JSONObject) error {
if !ctx.Firing {
// do nothing
return nil
}
alertId := ctx.Rule.Id
man := models.GetMigrationAlertManager()
obj, err := man.FetchById(alertId)
if err != nil {
return errors.Wrapf(err, "Fetch alert by Id: %q", alertId)
}
alert := obj.(*models.SMigrationAlert)
rules, err := am.getBalancerRules(ctx, alert)
if err != nil {
return errors.Wrapf(err, "get balancer rules")
}
if err := balancer.DoBalance(ctx.Ctx, auth.GetAdminSession(ctx.Ctx, options.Options.Region), rules, balancer.NewRecorder()); err != nil {
return errors.Wrap(err, "DoBalance")
}
return nil
}