Kubernetes 控制器二进制安装方式
# 检查kube-apiserver.service systemd单元文件是否存在:
cat /etc/systemd/system/kube-apiserver.service
# 如果存在
systemctl restart kube-apiserver
kubeadm 方式安装
# 这种安装方式,kubeapi-server 作为 Pod 在主节点上运行,而不是作为系统服务:
kubectl get pods -n kube-system
NAME READY STATUS
coredns-f9fd979d6-jsn6w 1/1 Running ..
coredns-f9fd979d6-tv5j6 1/1 Running ..
etcd-master-k8s 1/1 Running ..
kube-apiserver-master-k8s 1/1 Running .. #<--- Here
kube-controller-manager-master-k8s 1/1 Running ..
kube-proxy-5kzbc 1/1 Running ..
kube-scheduler-master-k8s 1/1 Running ..
# 因此,由于您无法在 K8S 中重新启动 Pod,因此您必须将其删除,它会自己重新创建一个pod:
kubectl delete pod/kube-apiserver-master-k8s -n kube-system
kubeadm 关于pod的设定
当你运行 kubeadm init你应该看到控制平面清单的创建static Pods:
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[control-plane] Using manifest folder "/etc/kubernetes/manifests"
[control-plane] Creating static Pod manifest for "kube-apiserver"
[control-plane] Creating static Pod manifest for "kube-controller-manager"
[control-plane] Creating static Pod manifest for "kube-scheduler"
[etcd] Creating static Pod manifest for local etcd in "/etc/kubernetes/manifests"
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对应的yamls:
ubuntu@master-k8s:/etc/kubernetes/manifests$ ls -la
total 24
drwxr-xr-x 2 root root 4096 Oct 14 00:13 .
drwxr-xr-x 4 root root 4096 Sep 29 02:30 ..
-rw------- 1 root root 2099 Sep 29 02:30 etcd.yaml
-rw------- 1 root root 3863 Oct 14 00:13 kube-apiserver.yaml <----- Here
-rw------- 1 root root 3496 Sep 29 02:30 kube-controller-manager.yaml
-rw------- 1 root root 1384 Sep 29 02:30 kube-scheduler.yaml
# 这里修改对应的 yaml 文件,对应的pod会自动重新创建
kube-apiserver 规范:
apiVersion: v1
kind: Pod
metadata:
annotations:
kubeadm.kubernetes.io/kube-apiserver.advertise-address.endpoint: 10.100.102.5:6443
creationTimestamp: null
labels:
component: kube-apiserver
tier: control-plane
name: kube-apiserver
namespace: kube-system
spec:
containers:
- command:
- kube-apiserver
- --advertise-address=10.100.102.5
- --allow-privileged=true
- --authorization-mode=Node,RBAC
- --client-ca-file=/etc/kubernetes/pki/ca.crt
- --enable-admission-plugins=NodeRestriction
- --enable-bootstrap-token-auth=true
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标签:--,apiserver,static,pod,kube,root,Pod
From: https://www.cnblogs.com/Star-Haitian/p/16999943.html