我需要在我的裸机 K8s 集群(v1.13)上启用一些功能门。我尝试使用 kubelet 标志--config来启用它们,因为kubelet --feature-gates <feature gate>抛出一个错误,指出该功能已被弃用。
我创建了一个具有以下配置的 .yml 文件:
apiVersion: kubelet.config.k8s.io/v1beta1
kind: KubeletConfiguration
feature-gates:
VolumeSnapshotDataSource=true
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运行后:“kubelet --config ,我收到以下错误:
I0119 21:59:52.987945 29087 server.go:417] Version: v1.14.2
I0119 21:59:52.988165 29087 plugins.go:103] No cloud provider specified.
W0119 21:59:52.988188 29087 server.go:556] standalone mode, no API client
F0119 21:59:52.988203 29087 server.go:265] failed to run Kubelet: no client provided, cannot use webhook authentication
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有谁知道会发生什么以及如何解决这个问题?
您不适--feature-gates用于 kubelet。你对API-server. 根据您在裸机上安装 kubernetes 的方式,您需要停止API-server,编辑启动它的命令并添加以下参数:
--feature-gates=VolumeSnapshotDataSource=true
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或者,如果它在一个 pod 中,找到清单,编辑它并重新部署它(它应该自动发生,一旦你完成编辑)。它应该是这样的:
...
labels:
component: kube-apiserver
tier: control-plane
name: kube-apiserver
namespace: kube-system
spec:
containers:
- command:
- kube-apiserver
- --advertise-address=10.132.0.48
- --allow-privileged=true
- --authorization-mode=Node,RBAC
- --client-ca-file=/etc/kubernetes/pki/ca.crt
- --enable-admission-plugins=NodeRestriction
- --enable-bootstrap-token-auth=true
- --etcd-cafile=/etc/kubernetes/pki/etcd/ca.crt
- --etcd-certfile=/etc/kubernetes/pki/apiserver-etcd-client.crt
- --etcd-keyfile=/etc/kubernetes/pki/apiserver-etcd-client.key
- --etcd-servers=https://127.0.0.1:2379
- --insecure-port=0
- --kubelet-client-certificate=/etc/kubernetes/pki/apiserver-kubelet-client.crt
- --kubelet-client-key=/etc/kubernetes/pki/apiserver-kubelet-client.key
- --kubelet-preferred-address-types=InternalIP,ExternalIP,Hostname
- --proxy-client-cert-file=/etc/kubernetes/pki/front-proxy-client.crt
- --proxy-client-key-file=/etc/kubernetes/pki/front-proxy-client.key
- --requestheader-allowed-names=front-proxy-client
- --requestheader-client-ca-file=/etc/kubernetes/pki/front-proxy-ca.crt
- --requestheader-extra-headers-prefix=X-Remote-Extra-
- --requestheader-group-headers=X-Remote-Group
- --requestheader-username-headers=X-Remote-User
- --secure-port=6443
- --service-account-key-file=/etc/kubernetes/pki/sa.pub
- --service-cluster-ip-range=10.96.0.0/12
- --tls-cert-file=/etc/kubernetes/pki/apiserver.crt
- --tls-private-key-file=/etc/kubernetes/pki/apiserver.key
- --feature-gates=VolumeSnapshotDataSource=true
image: k8s.gcr.io/kube-apiserver:v1.16.4
imagePullPolicy: IfNotPresent
livenessProbe:
failureThreshold: 8
httpGet:
host: 10.132.0.48
path: /healthz
port: 6443
scheme: HTTPS
...
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