Files
cloudpods/cmd/climc/shell/watch.go
2022-08-25 09:43:50 +08:00

93 lines
2.7 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 shell
import (
"context"
"yunion.io/x/jsonutils"
"yunion.io/x/log"
"yunion.io/x/pkg/errors"
"yunion.io/x/pkg/util/sets"
"yunion.io/x/onecloud/pkg/mcclient"
"yunion.io/x/onecloud/pkg/mcclient/informer"
"yunion.io/x/onecloud/pkg/mcclient/modulebase"
)
type eventHandler struct {
man informer.IResourceManager
}
func (e eventHandler) keyword() string {
return e.man.GetKeyword()
}
func (e eventHandler) OnAdd(obj *jsonutils.JSONDict) {
log.Infof("%s [CREATED]: \n%s", e.keyword(), obj.String())
}
func (e eventHandler) OnUpdate(oldObj, newObj *jsonutils.JSONDict) {
log.Infof("%s [UPDATED]: \n[NEW]: %s\n[OLD]: %s", e.keyword(), newObj.String(), oldObj.String())
}
func (e eventHandler) OnDelete(obj *jsonutils.JSONDict) {
log.Infof("%s [DELETED]: \n%s", e.keyword(), obj.String())
}
func init() {
type WatchOptions struct {
Resource []string `help:"Resource manager plural keyword, e.g.'servers, disks, guestdisks'" short-token:"s"`
All bool `help:"Watch all resources"`
}
R(&WatchOptions{}, "watch", "Watch resources", func(s *mcclient.ClientSession, opts *WatchOptions) error {
watchMan, err := informer.NewWatchManagerBySession(s)
if err != nil {
return err
}
resources := opts.Resource
if opts.All {
resSets := sets.NewString()
mods, _ := modulebase.GetRegisterdModules()
resSets.Insert(mods...)
resources = resSets.List()
}
if len(resources) == 0 {
return errors.Errorf("no watch resources specified")
}
for _, res := range resources {
var resMan informer.IResourceManager
if modMan, _ := modulebase.GetModule(s, res); modMan != nil {
resMan = modMan
}
if resMan == nil {
if jointModMan, _ := modulebase.GetJointModule(s, res); jointModMan != nil {
resMan = jointModMan
}
}
if resMan == nil {
//return errors.Errorf("Not found %q resource manager", res)
log.Warningf("Not found %q resource manager", res)
continue
}
if err := watchMan.For(resMan).AddEventHandler(context.Background(), eventHandler{resMan}); err != nil {
return errors.Wrapf(err, "watch resource %s", res)
}
}
select {}
})
}