/
repair.go
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/
repair.go
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// Copyright Istio 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 repair
import (
"context"
"istio.io/istio/cni/pkg/config"
"istio.io/istio/pkg/kube"
"istio.io/istio/pkg/log"
)
var repairLog = log.RegisterScope("repair", "CNI race condition repair")
func StartRepair(ctx context.Context, cfg config.RepairConfig) {
if !cfg.Enabled {
repairLog.Info("CNI repair is disable.")
return
}
repairLog.Info("Start CNI race condition repair.")
client, err := clientSetup()
if err != nil {
repairLog.Fatalf("CNI repair could not construct clientSet: %s", err)
}
rc, err := NewRepairController(client, cfg)
if err != nil {
repairLog.Fatalf("Fatal error constructing repair controller: %+v", err)
}
go rc.Run(ctx.Done())
client.RunAndWait(ctx.Done())
}
// Set up Kubernetes client using kubeconfig (or in-cluster config if no file provided)
func clientSetup() (kube.Client, error) {
config, err := kube.DefaultRestConfig("", "")
if err != nil {
return nil, err
}
return kube.NewClient(kube.NewClientConfigForRestConfig(config), "")
}