forked from kubewharf/katalyst-core
53 lines
1.4 KiB
Go
53 lines
1.4 KiB
Go
/*
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Copyright 2022 The Katalyst Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package node
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import (
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"context"
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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corev1 "k8s.io/client-go/kubernetes/typed/core/v1"
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)
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// NodeFetcher is used to get K8S Node information.
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type NodeFetcher interface {
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// Run starts the preparing logic to collect node metadata.
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Run(ctx context.Context)
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// GetNode returns those latest node metadata.
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GetNode(ctx context.Context) (*v1.Node, error)
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}
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func NewRemoteNodeFetcher(nodeName string, client corev1.NodeInterface) NodeFetcher {
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return &remoteNodeFetcherImpl{
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nodeName: nodeName,
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client: client,
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}
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}
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type remoteNodeFetcherImpl struct {
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nodeName string
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client corev1.NodeInterface
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}
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func (r *remoteNodeFetcherImpl) Run(_ context.Context) {}
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func (r *remoteNodeFetcherImpl) GetNode(ctx context.Context) (*v1.Node, error) {
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return r.client.Get(ctx, r.nodeName, metav1.GetOptions{ResourceVersion: "0"})
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}
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