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kubeedge 迁移

kubectl cordon pcl001-desktop

[root@cloud temperature_yaml]# kubectl get nodes 
NAME             STATUS                     ROLES        AGE    VERSION
cloud            Ready                      master       28d    v1.18.6
edge-vm          Ready                      agent,edge   54m    v1.19.3-kubeedge-v1.6.1
edge01           Ready                      <none>       14d    v1.21.1
pcl001-desktop   Ready,SchedulingDisabled   agent,edge   6d6h   v1.19.3-kubeedge-v1.6.1
raspberrypi      NotReady                   agent,edge   26d    v1.19.3-kubeedge-v1.6.1

[root@cloud temperature_yaml]# kubectl get nodes --show-labels
NAME             STATUS                     ROLES        AGE    VERSION                   LABELS
cloud            Ready                      master       28d    v1.18.6                   beta.kubernetes.io/arch=arm64,beta.kubernetes.io/os=linux,kubernetes.io/arch=arm64,kubernetes.io/hostname=cloud,kubernetes.io/os=linux,node-role.kubernetes.io/master=
edge-vm          Ready                      agent,edge   56m    v1.19.3-kubeedge-v1.6.1   kubernetes.io/arch=arm64,kubernetes.io/hostname=edge-vm,kubernetes.io/os=linux,node-role.kubernetes.io/agent=,node-role.kubernetes.io/edge=
edge01           Ready                      <none>       14d    v1.21.1                   beta.kubernetes.io/arch=arm64,beta.kubernetes.io/os=linux,kubernetes.io/arch=arm64,kubernetes.io/hostname=edge01,kubernetes.io/os=linux
pcl001-desktop   Ready,SchedulingDisabled   agent,edge   6d6h   v1.19.3-kubeedge-v1.6.1   kubernetes.io/arch=arm64,kubernetes.io/hostname=pcl001-desktop,kubernetes.io/os=linux,node-role.kubernetes.io/agent=,node-role.kubernetes.io/edge=
raspberrypi      NotReady                   agent,edge   26d    v1.19.3-kubeedge-v1.6.1   app-offline.kubeedge.io=autonomy,kubernetes.io/arch=arm,kubernetes.io/hostname=raspberrypi,kubernetes.io/os=linux,node-role.kubernetes.io/agent=,node-role.kubernetes.io/edge=
[root@cloud temperature_yaml]#

[root@cloud temperature_yaml]# cat deployment.yaml 
apiVersion: apps/v1
kind: Deployment
metadata:
  name: temperature-simulate-mapper
  labels:
    app: temperature
spec:
  replicas: 1
  selector:
    matchLabels:
      app: temperature
  template:
    metadata:
      labels:
        app: temperature
    spec:
      hostNetwork: true
      nodeName: pcl001-desktop
      containers:
      - name: temperature
        image: temperature-simulate-mapper:test-0629
        imagePullPolicy: IfNotPresent
        securityContext:
          privileged: true

[root@cloud temperature_yaml]# kubectl drain pcl001-desktop  --delete-local-data --ignore-daemonsets --force
node/pcl001-desktop already cordoned
WARNING: ignoring DaemonSet-managed Pods: kube-system/kube-proxy-qxw82
evicting pod default/temperature-simulate-mapper-5fcfb9d776-x97bt
pod/temperature-simulate-mapper-5fcfb9d776-x97bt evicted
node/pcl001-desktop evicted
[root@cloud temperature_yaml]# kubectl get pods
NAME                                           READY   STATUS    RESTARTS   AGE
nginx-deployment-c85df76f4-gj65j               1/1     Running   0          7d8h
temperature-simulate-mapper-5fcfb9d776-xx2nt   1/1     Running   0          29s
[root@cloud temperature_yaml]# kubectl get pods  -o wide
NAME                                           READY   STATUS    RESTARTS   AGE    IP               NODE             NOMINATED NODE   READINESS GATES
nginx-deployment-c85df76f4-gj65j               1/1     Running   0          7d8h   10.244.204.1     edge01           <none>           <none>
temperature-simulate-mapper-5fcfb9d776-xx2nt   1/1     Running   0          37s    192.168.117.50   pcl001-desktop   <none>           <none>
[root@cloud temperature_yaml]#

没有迁移成功

[root@cloud temperature_yaml]# kubectl label nodes pcl001-desktop edge/role= temperature  --有空格
error: all resources must be specified before label changes: temperature
[root@cloud temperature_yaml]# kubectl get nodes --show-labels
NAME             STATUS                     ROLES        AGE    VERSION                   LABELS
cloud            Ready                      master       29d    v1.18.6                   beta.kubernetes.io/arch=arm64,beta.kubernetes.io/os=linux,kubernetes.io/arch=arm64,kubernetes.io/hostname=cloud,kubernetes.io/os=linux,node-role.kubernetes.io/master=
edge-vm          Ready                      agent,edge   158m   v1.19.3-kubeedge-v1.6.1   kubernetes.io/arch=arm64,kubernetes.io/hostname=edge-vm,kubernetes.io/os=linux,node-role.kubernetes.io/agent=,node-role.kubernetes.io/edge=
edge01           Ready                      <none>       14d    v1.21.1                   beta.kubernetes.io/arch=arm64,beta.kubernetes.io/os=linux,kubernetes.io/arch=arm64,kubernetes.io/hostname=edge01,kubernetes.io/os=linux
pcl001-desktop   Ready,SchedulingDisabled   agent,edge   6d8h   v1.19.3-kubeedge-v1.6.1   kubernetes.io/arch=arm64,kubernetes.io/hostname=pcl001-desktop,kubernetes.io/os=linux,node-role.kubernetes.io/agent=,node-role.kubernetes.io/edge=
raspberrypi      NotReady                   agent,edge   26d    v1.19.3-kubeedge-v1.6.1   app-offline.kubeedge.io=autonomy,kubernetes.io/arch=arm,kubernetes.io/hostname=raspberrypi,kubernetes.io/os=linux,node-role.kubernetes.io/agent=,node-role.kubernetes.io/edge=
[root@cloud temperature_yaml]#

标签有问题

[root@cloud temperature_yaml]# kubectl label nodes pcl001-desktop edge/role=temperature
node/pcl001-desktop labeled
[root@cloud temperature_yaml]# kubectl get nodes --show-labels
NAME             STATUS                     ROLES        AGE    VERSION                   LABELS
cloud            Ready                      master       29d    v1.18.6                   beta.kubernetes.io/arch=arm64,beta.kubernetes.io/os=linux,kubernetes.io/arch=arm64,kubernetes.io/hostname=cloud,kubernetes.io/os=linux,node-role.kubernetes.io/master=
edge-vm          Ready                      agent,edge   160m   v1.19.3-kubeedge-v1.6.1   kubernetes.io/arch=arm64,kubernetes.io/hostname=edge-vm,kubernetes.io/os=linux,node-role.kubernetes.io/agent=,node-role.kubernetes.io/edge=
edge01           Ready                      <none>       14d    v1.21.1                   beta.kubernetes.io/arch=arm64,beta.kubernetes.io/os=linux,kubernetes.io/arch=arm64,kubernetes.io/hostname=edge01,kubernetes.io/os=linux
pcl001-desktop   Ready,SchedulingDisabled   agent,edge   6d8h   v1.19.3-kubeedge-v1.6.1   edge/role=temperature,kubernetes.io/arch=arm64,kubernetes.io/hostname=pcl001-desktop,kubernetes.io/os=linux,node-role.kubernetes.io/agent=,node-role.kubernetes.io/edge=
raspberrypi      NotReady                   agent,edge   26d    v1.19.3-kubeedge-v1.6.1   app-offline.kubeedge.io=autonomy,kubernetes.io/arch=arm,kubernetes.io/hostname=raspberrypi,kubernetes.io/os=linux,node-role.kubernetes.io/agent=,node-role.kubernetes.io/edge=
[root@cloud temperature_yaml]#

[root@cloud temperature_yaml]# kubectl uncordon pcl001-desktop
node/pcl001-desktop uncordoned
[root@cloud temperature_yaml]# kubectl get nodes 
NAME             STATUS     ROLES        AGE    VERSION
cloud            Ready      master       29d    v1.18.6
edge-vm          Ready      agent,edge   161m   v1.19.3-kubeedge-v1.6.1
edge01           Ready      <none>       14d    v1.21.1
pcl001-desktop   Ready      agent,edge   6d8h   v1.19.3-kubeedge-v1.6.1
raspberrypi      NotReady   agent,edge   26d    v1.19.3-kubeedge-v1.6.1
[root@cloud temperature_yaml]#

[root@cloud temperature_yaml]# kubectl get pods
NAME                                           READY   STATUS    RESTARTS   AGE
nginx-deployment-c85df76f4-gj65j               1/1     Running   0          7d10h
temperature-simulate-mapper-5fcfb9d776-bq8bt   1/1     Running   0          54s
[root@cloud temperature_yaml]# ls
crds  deployment.yaml
[root@cloud temperature_yaml]# kubectl delete pods temperature-simulate-mapper-5fcfb9d776-bq8bt --force --grace-period=0
warning: Immediate deletion does not wait for confirmation that the running resource has been terminated. The resource may continue to run on the cluster indefinitely.
pod "temperature-simulate-mapper-5fcfb9d776-bq8bt" force deleted
[root@cloud temperature_yaml]# kubectl get pods
NAME                                           READY   STATUS    RESTARTS   AGE
nginx-deployment-c85df76f4-gj65j               1/1     Running   0          7d10h
temperature-simulate-mapper-5fcfb9d776-qnrzz   0/1     Pending   0          4s
[root@cloud temperature_yaml]# kubectl get pods
NAME                                           READY   STATUS    RESTARTS   AGE
nginx-deployment-c85df76f4-gj65j               1/1     Running   0          7d10h
temperature-simulate-mapper-5fcfb9d776-qnrzz   1/1     Running   0          10s
[root@cloud temperature_yaml]#

[root@cloud temperature_yaml]# kubectl delete -f deployment.yaml 
deployment.apps "temperature-simulate-mapper" deleted

[root@cloud temperature_yaml]# kubectl get pods
NAME                               READY   STATUS    RESTARTS   AGE
nginx-deployment-c85df76f4-gj65j   1/1     Running   0          7d10h
[root@cloud temperature_yaml]#

重新部署

[root@cloud ~]# kubectl get nodes
NAME             STATUS                     ROLES        AGE    VERSION
cloud            Ready                      master       29d    v1.18.6
edge-vm          Ready                      agent,edge   175m   v1.19.3-kubeedge-v1.6.1
edge01           Ready                      <none>       14d    v1.21.1
pcl001-desktop   Ready,SchedulingDisabled   agent,edge   6d8h   v1.19.3-kubeedge-v1.6.1
raspberrypi      NotReady                   agent,edge   26d    v1.19.3-kubeedge-v1.6.1
[root@cloud ~]# kubectl get pods
NAME                                           READY   STATUS              RESTARTS   AGE
nginx-deployment-c85df76f4-gj65j               1/1     Running             0          7d10h
temperature-simulate-mapper-588ff95b6d-l7d4l   0/1     ContainerCreating   0          3m13s
[root@cloud ~]#

[root@cloud temperature_yaml]# cat deployment.yaml 
apiVersion: apps/v1
kind: Deployment
metadata:
  name: temperature-simulate-mapper
  labels:
    app: temperature
spec:
  replicas: 1
  selector:
    matchLabels:
      app: temperature
  template:
    metadata:
      labels:
        app: temperature
    spec:
      hostNetwork: true
      #nodeName: pcl001-desktop
      nodeSelector:
        edge/role: temperature
      containers:
      - name: temperature
        image: temperature-simulate-mapper:test-0629
        imagePullPolicy: IfNotPresent
        securityContext:
          privileged: true

[root@cloud temperature_yaml]# kubectl apply -f deployment.yaml
deployment.apps/temperature-simulate-mapper created

[root@cloud temperature_yaml]# kubectl get pods
NAME                                           READY   STATUS    RESTARTS   AGE
nginx-deployment-c85df76f4-gj65j               1/1     Running   0          7d10h
temperature-simulate-mapper-588ff95b6d-mjk4h   1/1     Running   0          52s
[root@cloud temperature_yaml]#

给另外的的node打个label

[root@cloud temperature_yaml]# kubectl get nodes 
NAME             STATUS     ROLES        AGE    VERSION
cloud            Ready      master       29d    v1.18.6
edge-vm          Ready      agent,edge   169m   v1.19.3-kubeedge-v1.6.1
edge01           Ready      <none>       14d    v1.21.1
pcl001-desktop   Ready      agent,edge   6d8h   v1.19.3-kubeedge-v1.6.1
raspberrypi      NotReady   agent,edge   26d    v1.19.3-kubeedge-v1.6.1
[root@cloud temperature_yaml]# kubectl label nodes edge-vm edge/role=temperature
node/edge-vm labeled
[root@cloud temperature_yaml]#

[root@cloud temperature_yaml]# kubectl get nodes --show-labels
NAME             STATUS     ROLES        AGE    VERSION                   LABELS
cloud            Ready      master       29d    v1.18.6                   beta.kubernetes.io/arch=arm64,beta.kubernetes.io/os=linux,kubernetes.io/arch=arm64,kubernetes.io/hostname=cloud,kubernetes.io/os=linux,node-role.kubernetes.io/master=
edge-vm          Ready      agent,edge   171m   v1.19.3-kubeedge-v1.6.1   edge/role=temperature,kubernetes.io/arch=arm64,kubernetes.io/hostname=edge-vm,kubernetes.io/os=linux,node-role.kubernetes.io/agent=,node-role.kubernetes.io/edge=
edge01           Ready      <none>       14d    v1.21.1                   beta.kubernetes.io/arch=arm64,beta.kubernetes.io/os=linux,kubernetes.io/arch=arm64,kubernetes.io/hostname=edge01,kubernetes.io/os=linux
pcl001-desktop   Ready      agent,edge   6d8h   v1.19.3-kubeedge-v1.6.1   edge/role=temperature,kubernetes.io/arch=arm64,kubernetes.io/hostname=pcl001-desktop,kubernetes.io/os=linux,node-role.kubernetes.io/agent=,node-role.kubernetes.io/edge=
raspberrypi      NotReady   agent,edge   26d    v1.19.3-kubeedge-v1.6.1   app-offline.kubeedge.io=autonomy,kubernetes.io/arch=arm,kubernetes.io/hostname=raspberrypi,kubernetes.io/os=linux,node-role.kubernetes.io/agent=,node-role.kubernetes.io/edge=
[root@cloud temperature_yaml]#

kubectl drain驱逐节点上的pod

[root@cloud ~]# kubectl get nodes
NAME             STATUS                     ROLES        AGE     VERSION
cloud            Ready                      master       29d     v1.18.6
edge-vm          Ready,SchedulingDisabled   agent,edge   16h     v1.19.3-kubeedge-v1.6.1
edge01           Ready                      <none>       14d     v1.21.1
pcl001-desktop   Ready                      agent,edge   6d22h   v1.19.3-kubeedge-v1.6.1
raspberrypi      NotReady                   agent,edge   26d     v1.19.3-kubeedge-v1.6.1
[root@cloud ~]# kubectl delete pods edge-vm --force --grace-period=0
warning: Immediate deletion does not wait for confirmation that the running resource has been terminated. The resource may continue to run on the cluster indefinitely.
Error from server (NotFound): pods "edge-vm" not found
[root@cloud ~]# kubectl drain edge-vm  --delete-local-data --ignore-daemonsets --force 
node/edge-vm already cordoned
WARNING: ignoring DaemonSet-managed Pods: kube-system/kube-proxy-5hn2t
evicting pod default/temperature-simulate-mapper-588ff95b6d-25r2q
pod/temperature-simulate-mapper-588ff95b6d-25r2q evicted
node/edge-vm evicted
[root@cloud ~]# kubectl get pods
NAME                                           READY   STATUS    RESTARTS   AGE
nginx-deployment-c85df76f4-gj65j               1/1     Running   0          8d
temperature-simulate-mapper-588ff95b6d-2cwhb   1/1     Running   0          54s
[root@cloud ~]# kubectl get pods -o wide
NAME                                           READY   STATUS    RESTARTS   AGE   IP               NODE             NOMINATED NODE   READINESS GATES
nginx-deployment-c85df76f4-gj65j               1/1     Running   0          8d    10.244.204.1     edge01           <none>           <none>
temperature-simulate-mapper-588ff95b6d-2cwhb   1/1     Running   0          61s   192.168.117.50   pcl001-desktop   <none>           <none>
[root@cloud ~]#

[root@cloud ~]# kubectl uncordon  edge-vm
node/edge-vm uncordoned
[root@cloud ~]# kubectl get nodes
NAME             STATUS     ROLES        AGE     VERSION
cloud            Ready      master       29d     v1.18.6
edge-vm          Ready      agent,edge   16h     v1.19.3-kubeedge-v1.6.1
edge01           Ready      <none>       14d     v1.21.1
pcl001-desktop   Ready      agent,edge   6d22h   v1.19.3-kubeedge-v1.6.1
raspberrypi      NotReady   agent,edge   26d     v1.19.3-kubeedge-v1.6.1
[root@cloud ~]#

迁回

[root@cloud ~]# kubectl uncordon  edge-vm
node/edge-vm uncordoned
[root@cloud ~]# kubectl get nodes
NAME             STATUS     ROLES        AGE     VERSION
cloud            Ready      master       29d     v1.18.6
edge-vm          Ready      agent,edge   16h     v1.19.3-kubeedge-v1.6.1
edge01           Ready      <none>       14d     v1.21.1
pcl001-desktop   Ready      agent,edge   6d22h   v1.19.3-kubeedge-v1.6.1
raspberrypi      NotReady   agent,edge   26d     v1.19.3-kubeedge-v1.6.1
[root@cloud ~]# kubectl cordon  pcl001-desktop
node/pcl001-desktop cordoned
[root@cloud ~]# kubectl get nodes
NAME             STATUS                     ROLES        AGE     VERSION
cloud            Ready                      master       29d     v1.18.6
edge-vm          Ready                      agent,edge   16h     v1.19.3-kubeedge-v1.6.1
edge01           Ready                      <none>       14d     v1.21.1
pcl001-desktop   Ready,SchedulingDisabled   agent,edge   6d22h   v1.19.3-kubeedge-v1.6.1
raspberrypi      NotReady                   agent,edge   26d     v1.19.3-kubeedge-v1.6.1
[root@cloud ~]# kubectl drain pcl001-desktop  --delete-local-data --ignore-daemonsets --force 
node/pcl001-desktop already cordoned
WARNING: ignoring DaemonSet-managed Pods: kube-system/kube-proxy-qxw82
evicting pod default/temperature-simulate-mapper-588ff95b6d-2cwhb
pod/temperature-simulate-mapper-588ff95b6d-2cwhb evicted
node/pcl001-desktop evicted
// ip 变了
[root@cloud ~]# kubectl get pods -o wide
NAME                                           READY   STATUS    RESTARTS   AGE   IP             NODE      NOMINATED NODE   READINESS GATES
nginx-deployment-c85df76f4-gj65j               1/1     Running   0          8d    10.244.204.1   edge01    <none>           <none>
temperature-simulate-mapper-588ff95b6d-hd8hr   1/1     Running   0          92s   12.0.0.122     edge-vm   <none>           <none>
[root@cloud ~]#

[root@cloud ~]# kubectl uncordon  pcl001-desktop
node/pcl001-desktop uncordoned
[root@cloud ~]# kubectl get nodes
NAME             STATUS     ROLES        AGE     VERSION
cloud            Ready      master       29d     v1.18.6
edge-vm          Ready      agent,edge   16h     v1.19.3-kubeedge-v1.6.1
edge01           Ready      <none>       14d     v1.21.1
pcl001-desktop   Ready      agent,edge   6d22h   v1.19.3-kubeedge-v1.6.1
raspberrypi      NotReady   agent,edge   26d     v1.19.3-kubeedge-v1.6.1
[root@cloud ~]#

查看全文

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原文地址：https://www.cnblogs.com/dream397/p/14863926.html

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