Got this error:
[root@unica12master .kube]# kubectl get nodes
NAME STATUS ROLES AGE VERSION
unica12master.localdomain NotReady master 11m v1.18.6
unica12node1.localdomain NotReady <none> 11m v1.18.6
unica12node2.localdomain NotReady <none> 10m v1.18.6
Upon checking: alse reason:NetworkPluginNotReady message:docker: network plugin is not ready: cni config uninitialized (ned to install weave). See : https://stackoverflow.com/questions/52675934/network-plugin-is-not-ready-cni-config-uninitialized
(do this on the msater only)
$ export kubever=$(kubectl version | base64 | tr -d '\n')
$ kubectl apply -f "https://cloud.weave.works/k8s/net?k8s-version=$kubever"[root@unica12master .kube]# kubectl describe nodes
Name: unica12master.localdomain
Roles: master
Labels: beta.kubernetes.io/arch=amd64
beta.kubernetes.io/os=linux
kubernetes.io/arch=amd64
kubernetes.io/hostname=unica12master.localdomain
kubernetes.io/os=linux
node-role.kubernetes.io/master=
Annotations: kubeadm.alpha.kubernetes.io/cri-socket: /var/run/dockershim.sock
node.alpha.kubernetes.io/ttl: 0
volumes.kubernetes.io/controller-managed-attach-detach: true
CreationTimestamp: Sun, 09 Aug 2020 05:49:34 +0800
Taints: node-role.kubernetes.io/master:NoSchedule
node.kubernetes.io/not-ready:NoSchedule
Unschedulable: false
Lease:
HolderIdentity: unica12master.localdomain
AcquireTime: <unset>
RenewTime: Sun, 09 Aug 2020 05:59:53 +0800
Conditions:
Type Status LastHeartbeatTime LastTransitionTime Reason Message
---- ------ ----------------- ------------------ ------ -------
MemoryPressure False Sun, 09 Aug 2020 05:59:44 +0800 Sun, 09 Aug 2020 05:49:31 +0800 KubeletHasSufficientMemory kubelet has sufficient memory available
DiskPressure False Sun, 09 Aug 2020 05:59:44 +0800 Sun, 09 Aug 2020 05:49:31 +0800 KubeletHasNoDiskPressure kubelet has no disk pressure
PIDPressure False Sun, 09 Aug 2020 05:59:44 +0800 Sun, 09 Aug 2020 05:49:31 +0800 KubeletHasSufficientPID kubelet has sufficient PID available
Ready False Sun, 09 Aug 2020 05:59:44 +0800 Sun, 09 Aug 2020 05:49:31 +0800 KubeletNotReady runtime network not ready: NetworkReady=f alse reason:NetworkPluginNotReady message:docker: network plugin is not ready: cni config uninitialized
Addresses:
InternalIP: 192.168.1.151
Hostname: unica12master.localdomain
Capacity:
cpu: 2
ephemeral-storage: 49250820Ki
hugepages-1Gi: 0
hugepages-2Mi: 0
memory: 3880732Ki
pods: 110
Allocatable:
cpu: 2
ephemeral-storage: 45389555637
hugepages-1Gi: 0
hugepages-2Mi: 0
memory: 3778332Ki
pods: 110
System Info:
Machine ID: 44cfb44606f9476bb54c62a10588dcd1
System UUID: A6554D56-C05F-515D-BD13-8D20A4DEAEF1
Boot ID: 033a9b2d-82eb-483c-a603-edec28fc35ac
Kernel Version: 3.10.0-957.el7.x86_64
OS Image: Red Hat Enterprise Linux
Operating System: linux
Architecture: amd64
Container Runtime Version: docker://1.13.1
Kubelet Version: v1.18.6
Kube-Proxy Version: v1.18.6
Non-terminated Pods: (5 in total)
Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits AGE
--------- ---- ------------ ---------- --------------- ------------- ---
kube-system etcd-unica12master.localdomain 0 (0%) 0 (0%) 0 (0%) 0 (0%) 10m
kube-system kube-apiserver-unica12master.localdomain 250m (12%) 0 (0%) 0 (0%) 0 (0%) 10m
kube-system kube-controller-manager-unica12master.localdomain 200m (10%) 0 (0%) 0 (0%) 0 (0%) 10m
kube-system kube-proxy-bgb9q 0 (0%) 0 (0%) 0 (0%) 0 (0%) 10m
kube-system kube-scheduler-unica12master.localdomain 100m (5%) 0 (0%) 0 (0%) 0 (0%) 10m
Allocated resources:
(Total limits may be over 100 percent, i.e., overcommitted.)
Resource Requests Limits
-------- -------- ------
cpu 550m (27%) 0 (0%)
memory 0 (0%) 0 (0%)
ephemeral-storage 0 (0%) 0 (0%)
hugepages-1Gi 0 (0%) 0 (0%)
hugepages-2Mi 0 (0%) 0 (0%)
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal NodeHasSufficientMemory 10m (x4 over 10m) kubelet, unica12master.localdomain Node unica12master.localdomain status is now: NodeHasSufficientMemory
Normal NodeHasNoDiskPressure 10m (x4 over 10m) kubelet, unica12master.localdomain Node unica12master.localdomain status is now: NodeHasNoDiskPressure
Normal NodeHasSufficientPID 10m (x4 over 10m) kubelet, unica12master.localdomain Node unica12master.localdomain status is now: NodeHasSufficientPID
Normal Starting 10m kubelet, unica12master.localdomain Starting kubelet.
Normal NodeAllocatableEnforced 10m kubelet, unica12master.localdomain Updated Node Allocatable limit across pods
Normal NodeHasSufficientMemory 10m kubelet, unica12master.localdomain Node unica12master.localdomain status is now: NodeHasSufficientMemory
Normal NodeHasNoDiskPressure 10m kubelet, unica12master.localdomain Node unica12master.localdomain status is now: NodeHasNoDiskPressure
Normal NodeHasSufficientPID 10m kubelet, unica12master.localdomain Node unica12master.localdomain status is now: NodeHasSufficientPID
Normal Starting 10m kube-proxy, unica12master.localdomain Starting kube-proxy.
Name: unica12node1.localdomain
Roles: <none>
Labels: beta.kubernetes.io/arch=amd64
beta.kubernetes.io/os=linux
kubernetes.io/arch=amd64
kubernetes.io/hostname=unica12node1.localdomain
kubernetes.io/os=linux
Annotations: kubeadm.alpha.kubernetes.io/cri-socket: /var/run/dockershim.sock
node.alpha.kubernetes.io/ttl: 0
volumes.kubernetes.io/controller-managed-attach-detach: true
CreationTimestamp: Sun, 09 Aug 2020 05:50:13 +0800
Taints: node.kubernetes.io/not-ready:NoSchedule
Unschedulable: false
Lease:
HolderIdentity: unica12node1.localdomain
AcquireTime: <unset>
RenewTime: Sun, 09 Aug 2020 05:59:53 +0800
Conditions:
Type Status LastHeartbeatTime LastTransitionTime Reason Message
---- ------ ----------------- ------------------ ------ -------
MemoryPressure False Sun, 09 Aug 2020 05:55:43 +0800 Sun, 09 Aug 2020 05:50:13 +0800 KubeletHasSufficientMemory kubelet has sufficient memory available
DiskPressure False Sun, 09 Aug 2020 05:55:43 +0800 Sun, 09 Aug 2020 05:50:13 +0800 KubeletHasNoDiskPressure kubelet has no disk pressure
PIDPressure False Sun, 09 Aug 2020 05:55:43 +0800 Sun, 09 Aug 2020 05:50:13 +0800 KubeletHasSufficientPID kubelet has sufficient PID available
Ready False Sun, 09 Aug 2020 05:55:43 +0800 Sun, 09 Aug 2020 05:50:13 +0800 KubeletNotReady runtime network not ready: NetworkReady=f alse reason:NetworkPluginNotReady message:docker: network plugin is not ready: cni config uninitialized
Addresses:
InternalIP: 192.168.1.152
Hostname: unica12node1.localdomain
Capacity:
cpu: 6
ephemeral-storage: 49250820Ki
hugepages-1Gi: 0
hugepages-2Mi: 0
memory: 16266432Ki
pods: 110
Allocatable:
cpu: 6
ephemeral-storage: 45389555637
hugepages-1Gi: 0
hugepages-2Mi: 0
memory: 16164032Ki
pods: 110
System Info:
Machine ID: 81ea4d0c7f724822b21c1dc2f071bf77
System UUID: 35FE4D56-2DF2-1860-9B73-16F895B11091
Boot ID: a90cd1a4-44de-4ef4-96c0-19ef9fbf8cd1
Kernel Version: 3.10.0-957.el7.x86_64
OS Image: Red Hat Enterprise Linux
Operating System: linux
Architecture: amd64
Container Runtime Version: docker://1.13.1
Kubelet Version: v1.18.6
Kube-Proxy Version: v1.18.6
Non-terminated Pods: (1 in total)
Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits AGE
--------- ---- ------------ ---------- --------------- ------------- ---
kube-system kube-proxy-snxhr 0 (0%) 0 (0%) 0 (0%) 0 (0%) 9m50s
Allocated resources:
(Total limits may be over 100 percent, i.e., overcommitted.)
Resource Requests Limits
-------- -------- ------
cpu 0 (0%) 0 (0%)
memory 0 (0%) 0 (0%)
ephemeral-storage 0 (0%) 0 (0%)
hugepages-1Gi 0 (0%) 0 (0%)
hugepages-2Mi 0 (0%) 0 (0%)
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal Starting 9m50s kubelet, unica12node1.localdomain Starting kubelet.
Normal NodeHasSufficientMemory 9m50s (x2 over 9m50s) kubelet, unica12node1.localdomain Node unica12node1.localdomain status is now: NodeHasSufficientMemory
Normal NodeHasNoDiskPressure 9m50s (x2 over 9m50s) kubelet, unica12node1.localdomain Node unica12node1.localdomain status is now: NodeHasNoDiskPressure
Normal NodeHasSufficientPID 9m50s (x2 over 9m50s) kubelet, unica12node1.localdomain Node unica12node1.localdomain status is now: NodeHasSufficientPID
Normal NodeAllocatableEnforced 9m50s kubelet, unica12node1.localdomain Updated Node Allocatable limit across pods
Normal Starting 9m39s kube-proxy, unica12node1.localdomain Starting kube-proxy.
Name: unica12node2.localdomain
Roles: <none>
Labels: beta.kubernetes.io/arch=amd64
beta.kubernetes.io/os=linux
kubernetes.io/arch=amd64
kubernetes.io/hostname=unica12node2.localdomain
kubernetes.io/os=linux
Annotations: kubeadm.alpha.kubernetes.io/cri-socket: /var/run/dockershim.sock
node.alpha.kubernetes.io/ttl: 0
volumes.kubernetes.io/controller-managed-attach-detach: true
CreationTimestamp: Sun, 09 Aug 2020 05:50:29 +0800
Taints: node.kubernetes.io/not-ready:NoSchedule
Unschedulable: false
Lease:
HolderIdentity: unica12node2.localdomain
AcquireTime: <unset>
RenewTime: Sun, 09 Aug 2020 05:59:59 +0800
Conditions:
Type Status LastHeartbeatTime LastTransitionTime Reason Message
---- ------ ----------------- ------------------ ------ -------
MemoryPressure False Sun, 09 Aug 2020 05:55:59 +0800 Sun, 09 Aug 2020 05:50:29 +0800 KubeletHasSufficientMemory kubelet has sufficient memory available
DiskPressure False Sun, 09 Aug 2020 05:55:59 +0800 Sun, 09 Aug 2020 05:50:29 +0800 KubeletHasNoDiskPressure kubelet has no disk pressure
PIDPressure False Sun, 09 Aug 2020 05:55:59 +0800 Sun, 09 Aug 2020 05:50:29 +0800 KubeletHasSufficientPID kubelet has sufficient PID available
Ready False Sun, 09 Aug 2020 05:55:59 +0800 Sun, 09 Aug 2020 05:50:29 +0800 KubeletNotReady runtime network not ready: NetworkReady=f alse reason:NetworkPluginNotReady message:docker: network plugin is not ready: cni config uninitialized
Addresses:
InternalIP: 192.168.1.153
Hostname: unica12node2.localdomain
Capacity:
cpu: 6
ephemeral-storage: 49250820Ki
hugepages-1Gi: 0
hugepages-2Mi: 0
memory: 16266432Ki
pods: 110
Allocatable:
cpu: 6
ephemeral-storage: 45389555637
hugepages-1Gi: 0
hugepages-2Mi: 0
memory: 16164032Ki
pods: 110
System Info:
Machine ID: 2776e487ba884dc8b59c196d17b1354b
System UUID: CCB04D56-2D23-EF34-CC74-BD921B461E06
Boot ID: 06a85a26-dc33-447f-894d-4eccbac0be5e
Kernel Version: 3.10.0-957.el7.x86_64
OS Image: Red Hat Enterprise Linux
Operating System: linux
Architecture: amd64
Container Runtime Version: docker://1.13.1
Kubelet Version: v1.18.6
Kube-Proxy Version: v1.18.6
Non-terminated Pods: (1 in total)
Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits AGE
--------- ---- ------------ ---------- --------------- ------------- ---
kube-system kube-proxy-hj582 0 (0%) 0 (0%) 0 (0%) 0 (0%) 9m34s
Allocated resources:
(Total limits may be over 100 percent, i.e., overcommitted.)
Resource Requests Limits
-------- -------- ------
cpu 0 (0%) 0 (0%)
memory 0 (0%) 0 (0%)
ephemeral-storage 0 (0%) 0 (0%)
hugepages-1Gi 0 (0%) 0 (0%)
hugepages-2Mi 0 (0%) 0 (0%)
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal Starting 9m34s kubelet, unica12node2.localdomain Starting kubelet.
Normal NodeHasSufficientMemory 9m34s (x2 over 9m34s) kubelet, unica12node2.localdomain Node unica12node2.localdomain status is now: NodeHasSufficientMemory
Normal NodeHasNoDiskPressure 9m34s (x2 over 9m34s) kubelet, unica12node2.localdomain Node unica12node2.localdomain status is now: NodeHasNoDiskPressure
Normal NodeHasSufficientPID 9m34s (x2 over 9m34s) kubelet, unica12node2.localdomain Node unica12node2.localdomain status is now: NodeHasSufficientPID
Normal NodeAllocatableEnforced 9m34s kubelet, unica12node2.localdomain Updated Node Allocatable limit across pods
Normal Starting 9m23s kube-proxy, unica12node2.localdomain Starting kube-proxy.
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