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run.go
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run.go
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/*
* Copyright 2022 The Multicluster-Scheduler 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 node
import (
"context"
"admiralty.io/multicluster-scheduler/pkg/config/agent"
"github.com/virtual-kubelet/virtual-kubelet/log"
"github.com/virtual-kubelet/virtual-kubelet/node"
corev1 "k8s.io/api/core/v1"
k8serrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
)
func Run(ctx context.Context, t agent.Target, client kubernetes.Interface, p node.NodeProvider) error {
ctx = log.WithLogger(ctx, log.G(ctx).WithFields(log.Fields{"node": t.VirtualNodeName}))
leaseClient := client.CoordinationV1().Leases(corev1.NamespaceNodeLease)
n := NodeFromOpts(t)
nodeRunner, err := node.NewNodeController(
p,
n,
client.CoreV1().Nodes(),
node.WithNodeEnableLeaseV1(leaseClient, 0),
node.WithNodeStatusUpdateErrorHandler(func(ctx context.Context, err error) error {
if !k8serrors.IsNotFound(err) {
return err
}
log.G(ctx).Debug("node not found")
newNode := n.DeepCopy()
newNode.ResourceVersion = ""
_, err = client.CoreV1().Nodes().Create(ctx, newNode, metav1.CreateOptions{})
if err != nil {
return err
}
log.G(ctx).Debug("created new node")
return nil
}),
)
if err != nil {
log.G(ctx).Fatal(err)
}
return nodeRunner.Run(ctx)
}