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fx.go
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fx.go
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// Copyright 2022 Chaos Mesh Authors.
//
// 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 remotechaos
import (
"fmt"
"github.com/go-logr/logr"
"go.uber.org/fx"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/event"
"sigs.k8s.io/controller-runtime/pkg/predicate"
"github.com/chaos-mesh/chaos-mesh/api/v1alpha1"
"github.com/chaos-mesh/chaos-mesh/controllers/config"
"github.com/chaos-mesh/chaos-mesh/controllers/multicluster/clusterregistry"
"github.com/chaos-mesh/chaos-mesh/controllers/types"
"github.com/chaos-mesh/chaos-mesh/controllers/utils/builder"
)
type Params struct {
fx.In
Mgr ctrl.Manager
Client client.Client
Logger logr.Logger
Objs []types.Object `group:"objs"`
Registry *clusterregistry.RemoteClusterRegistry
}
func Bootstrap(params Params) error {
logger := params.Logger
mgr := params.Mgr
objs := params.Objs
client := params.Client
registry := params.Registry
setupLog := logger.WithName("setup-remotechaos")
for _, obj := range objs {
name := obj.Name + "-remote-apply"
if !config.ShouldSpawnController(name) {
return nil
}
setupLog.Info("setting up controller", "resource-name", obj.Name)
builder := builder.Default(mgr).
For(obj.Object).
Named(obj.Name + "-remotechaos").
WithEventFilter(remotePredicates)
err := builder.Complete(&Reconciler{
Client: client,
Log: logger.WithName("remotechaos"),
Object: obj.Object,
registry: registry,
})
if err != nil {
return err
}
}
return nil
}
// this controller will only create or delete the remote chaos
var remotePredicates = predicate.Funcs{
CreateFunc: func(e event.CreateEvent) bool {
obj, ok := e.Object.DeepCopyObject().(v1alpha1.RemoteObject)
if !ok {
fmt.Println("not a remote object")
return false
}
if obj.GetRemoteCluster() == "" {
return false
}
return true
},
UpdateFunc: func(e event.UpdateEvent) bool {
// TODO: consider carefully whether we'll need to handle
// delete event
obj, ok := e.ObjectNew.DeepCopyObject().(v1alpha1.RemoteObject)
if !ok {
fmt.Println("not a remote object")
return false
}
if obj.GetRemoteCluster() == "" {
fmt.Println("remote cluster is empty")
return false
}
return true
},
DeleteFunc: func(e event.DeleteEvent) bool {
// TODO: consider carefully whether we'll need to handle
// delete event
obj, ok := e.Object.DeepCopyObject().(v1alpha1.RemoteObject)
if !ok {
fmt.Println("not a remote object")
return false
}
if obj.GetRemoteCluster() == "" {
fmt.Println("remote cluster is empty")
return false
}
return true
},
GenericFunc: func(e event.GenericEvent) bool {
return false
},
}