mirror of
https://github.com/yunionio/cloudpods.git
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103 lines
3.3 KiB
Go
103 lines
3.3 KiB
Go
// Copyright 2019 Yunion
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package notifiers
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import (
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"yunion.io/x/jsonutils"
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"yunion.io/x/log"
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"yunion.io/x/pkg/errors"
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"yunion.io/x/onecloud/pkg/apis/monitor"
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"yunion.io/x/onecloud/pkg/mcclient"
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"yunion.io/x/onecloud/pkg/mcclient/auth"
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"yunion.io/x/onecloud/pkg/monitor/alerting"
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"yunion.io/x/onecloud/pkg/monitor/controller/balancer"
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"yunion.io/x/onecloud/pkg/monitor/models"
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"yunion.io/x/onecloud/pkg/monitor/options"
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)
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func init() {
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alerting.RegisterNotifier(&alerting.NotifierPlugin{
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Type: monitor.AlertNotificationTypeAutoMigration,
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Factory: newAutoMigratingNotifier,
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ValidateCreateData: func(cred mcclient.IIdentityProvider, input monitor.NotificationCreateInput) (monitor.NotificationCreateInput, error) {
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settings := new(monitor.NotificationSettingAutoMigration)
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if err := input.Settings.Unmarshal(settings); err != nil {
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return input, errors.Wrap(err, "Unmarshal setting")
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}
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input.Settings = jsonutils.Marshal(settings)
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return input, nil
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},
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})
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}
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type autoMigrationNotifier struct {
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NotifierBase
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Settings *monitor.NotificationSettingAutoMigration
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}
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func newAutoMigratingNotifier(conf alerting.NotificationConfig) (alerting.Notifier, error) {
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settings := new(monitor.NotificationSettingAutoMigration)
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if err := conf.Settings.Unmarshal(settings); err != nil {
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return nil, errors.Wrap(err, "unmarshal setting")
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}
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return &autoMigrationNotifier{
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NotifierBase: NewNotifierBase(conf),
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Settings: settings,
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}, nil
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}
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func (am *autoMigrationNotifier) getBalancerRules(ctx *alerting.EvalContext, alert *models.SMigrationAlert) (*balancer.Rules, error) {
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if len(ctx.EvalMatches) >= 1 {
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log.Warningf("EvalMatches great than 1, use first one")
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} else {
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return nil, errors.Errorf("Matches not >= 1 %d", len(ctx.EvalMatches))
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}
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match := ctx.EvalMatches[0]
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drv, err := balancer.GetMetricDrivers().Get(alert.GetMetricType())
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if err != nil {
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return nil, errors.Wrap(err, "Get metric driver")
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}
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log.Infof("autoMigrationNotifier for evalMatch: %s", jsonutils.Marshal(match))
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return balancer.NewRules(ctx, match, alert, drv, options.Options.AutoMigrationMustPair)
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}
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func (am *autoMigrationNotifier) Notify(ctx *alerting.EvalContext, data jsonutils.JSONObject) error {
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if !ctx.Firing {
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// do nothing
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return nil
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}
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alertId := ctx.Rule.Id
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man := models.GetMigrationAlertManager()
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obj, err := man.FetchById(alertId)
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if err != nil {
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return errors.Wrapf(err, "Fetch alert by Id: %q", alertId)
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}
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alert := obj.(*models.SMigrationAlert)
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rules, err := am.getBalancerRules(ctx, alert)
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if err != nil {
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return errors.Wrapf(err, "get balancer rules")
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}
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if err := balancer.DoBalance(ctx.Ctx, auth.GetAdminSession(ctx.Ctx, options.Options.Region), rules, balancer.NewRecorder()); err != nil {
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return errors.Wrap(err, "DoBalance")
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}
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return nil
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}
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