1 개요[ | ]
- kubectl describe node
- kubectl describe nodes
2 1.29[ | ]
Console
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$ kubectl get no
NAME STATUS ROLES AGE VERSION
controlplane Ready control-plane 14h v1.29.0
node01 Ready <none> 13h v1.29.0
Console
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$ kubectl describe no node01
Name: node01
Roles: <none>
Labels: beta.kubernetes.io/arch=amd64
beta.kubernetes.io/os=linux
kubernetes.io/arch=amd64
kubernetes.io/hostname=node01
kubernetes.io/os=linux
Annotations: flannel.alpha.coreos.com/backend-data: {"VNI":1,"VtepMAC":"72:1d:23:cb:bd:e6"}
flannel.alpha.coreos.com/backend-type: vxlan
flannel.alpha.coreos.com/kube-subnet-manager: true
flannel.alpha.coreos.com/public-ip: 172.30.2.2
kubeadm.alpha.kubernetes.io/cri-socket: unix:///var/run/containerd/containerd.sock
node.alpha.kubernetes.io/ttl: 0
projectcalico.org/IPv4Address: 172.30.2.2/24
projectcalico.org/IPv4IPIPTunnelAddr: 192.168.1.1
volumes.kubernetes.io/controller-managed-attach-detach: true
CreationTimestamp: Sun, 03 Mar 2024 15:32:07 +0000
Taints: <none>
Unschedulable: false
Lease:
HolderIdentity: node01
AcquireTime: <unset>
RenewTime: Mon, 04 Mar 2024 05:12:37 +0000
Conditions:
Type Status LastHeartbeatTime LastTransitionTime Reason Message
---- ------ ----------------- ------------------ ------ -------
NetworkUnavailable False Mon, 04 Mar 2024 04:24:24 +0000 Mon, 04 Mar 2024 04:24:24 +0000 FlannelIsUp Flannel is running on this node
MemoryPressure False Mon, 04 Mar 2024 05:10:18 +0000 Sun, 03 Mar 2024 15:32:07 +0000 KubeletHasSufficientMemory kubelet has sufficient memory available
DiskPressure False Mon, 04 Mar 2024 05:10:18 +0000 Sun, 03 Mar 2024 15:32:07 +0000 KubeletHasNoDiskPressure kubelet has no disk pressure
PIDPressure False Mon, 04 Mar 2024 05:10:18 +0000 Sun, 03 Mar 2024 15:32:07 +0000 KubeletHasSufficientPID kubelet has sufficient PID available
Ready True Mon, 04 Mar 2024 05:10:18 +0000 Sun, 03 Mar 2024 15:32:16 +0000 KubeletReady kubelet is posting ready status. AppArmor enabled
Addresses:
InternalIP: 172.30.2.2
Hostname: node01
Capacity:
cpu: 1
ephemeral-storage: 20134592Ki
hugepages-2Mi: 0
memory: 2030940Ki
pods: 110
Allocatable:
cpu: 1
ephemeral-storage: 19586931083
hugepages-2Mi: 0
memory: 1928540Ki
pods: 110
System Info:
Machine ID: 388a2d0f867a4404bc12a0093bd9ed8d
System UUID: 41f26ab9-4d3a-4984-abc4-f614b02795f9
Boot ID: 43e6078c-8ce2-4bca-9c5a-3559a7c33335
Kernel Version: 5.4.0-131-generic
OS Image: Ubuntu 20.04.5 LTS
Operating System: linux
Architecture: amd64
Container Runtime Version: containerd://1.7.13
Kubelet Version: v1.29.0
Kube-Proxy Version: v1.29.0
PodCIDR: 192.168.1.0/24
PodCIDRs: 192.168.1.0/24
Non-terminated Pods: (4 in total)
Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits Age
--------- ---- ------------ ---------- --------------- ------------- ---
kube-system canal-gjxwj 25m (2%) 0 (0%) 0 (0%) 0 (0%) 13h
kube-system coredns-86b698fbb6-8q542 50m (5%) 0 (0%) 50Mi (2%) 170Mi (9%) 13h
kube-system coredns-86b698fbb6-hqpmj 50m (5%) 0 (0%) 50Mi (2%) 170Mi (9%) 13h
kube-system kube-proxy-lhxdd 0 (0%) 0 (0%) 0 (0%) 0 (0%) 13h
Allocated resources:
(Total limits may be over 100 percent, i.e., overcommitted.)
Resource Requests Limits
-------- -------- ------
cpu 125m (12%) 0 (0%)
memory 100Mi (5%) 340Mi (18%)
ephemeral-storage 0 (0%) 0 (0%)
hugepages-2Mi 0 (0%) 0 (0%)
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal Starting 13h kube-proxy
Normal Starting 48m kube-proxy
Normal NodeHasNoDiskPressure 13h (x2 over 13h) kubelet Node node01 status is now: NodeHasNoDiskPressure
Normal NodeHasSufficientPID 13h (x2 over 13h) kubelet Node node01 status is now: NodeHasSufficientPID
Normal NodeAllocatableEnforced 13h kubelet Updated Node Allocatable limit across pods
Normal NodeHasSufficientMemory 13h (x2 over 13h) kubelet Node node01 status is now: NodeHasSufficientMemory
Normal RegisteredNode 13h node-controller Node node01 event: Registered Node node01 in Controller
Normal NodeReady 13h kubelet Node node01 status is now: NodeReady
Normal Starting 48m kubelet Starting kubelet.
Normal NodeHasSufficientMemory 48m (x2 over 48m) kubelet Node node01 status is now: NodeHasSufficientMemory
Normal NodeHasNoDiskPressure 48m (x2 over 48m) kubelet Node node01 status is now: NodeHasNoDiskPressure
Normal NodeHasSufficientPID 48m (x2 over 48m) kubelet Node node01 status is now: NodeHasSufficientPID
Normal NodeAllocatableEnforced 48m kubelet Updated Node Allocatable limit across pods
Warning Rebooted 48m kubelet Node node01 has been rebooted, boot id: 43e6078c-8ce2-4bca-9c5a-3559a7c33335
Normal RegisteredNode 47m node-controller Node node01 event: Registered Node node01 in Controller
3 1.13[ | ]
Console
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root@localhost:~# kubectl get nodes
NAME STATUS ROLES AGE VERSION
kubernetes-node-861h NotReady <none> 1h v1.13.0
kubernetes-node-bols Ready <none> 1h v1.13.0
kubernetes-node-st6x Ready <none> 1h v1.13.0
kubernetes-node-unaj Ready <none> 1h v1.13.0
Console
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root@localhost:~# kubectl describe node kubernetes-node-861h
Name: kubernetes-node-861h
Role
Labels: kubernetes.io/arch=amd64
kubernetes.io/os=linux
kubernetes.io/hostname=kubernetes-node-861h
Annotations: node.alpha.kubernetes.io/ttl=0
volumes.kubernetes.io/controller-managed-attach-detach=true
Taints: <none>
CreationTimestamp: Mon, 04 Sep 2017 17:13:23 +0800
Phase:
Conditions:
Type Status LastHeartbeatTime LastTransitionTime Reason Message
---- ------ ----------------- ------------------ ------ -------
OutOfDisk Unknown Fri, 08 Sep 2017 16:04:28 +0800 Fri, 08 Sep 2017 16:20:58 +0800 NodeStatusUnknown Kubelet stopped posting node status.
MemoryPressure Unknown Fri, 08 Sep 2017 16:04:28 +0800 Fri, 08 Sep 2017 16:20:58 +0800 NodeStatusUnknown Kubelet stopped posting node status.
DiskPressure Unknown Fri, 08 Sep 2017 16:04:28 +0800 Fri, 08 Sep 2017 16:20:58 +0800 NodeStatusUnknown Kubelet stopped posting node status.
Ready Unknown Fri, 08 Sep 2017 16:04:28 +0800 Fri, 08 Sep 2017 16:20:58 +0800 NodeStatusUnknown Kubelet stopped posting node status.
Addresses: 10.240.115.55,104.197.0.26
Capacity:
cpu: 2
hugePages: 0
memory: 4046788Ki
pods: 110
Allocatable:
cpu: 1500m
hugePages: 0
memory: 1479263Ki
pods: 110
System Info:
Machine ID: 8e025a21a4254e11b028584d9d8b12c4
System UUID: 349075D1-D169-4F25-9F2A-E886850C47E3
Boot ID: 5cd18b37-c5bd-4658-94e0-e436d3f110e0
Kernel Version: 4.4.0-31-generic
OS Image: Debian GNU/Linux 8 (jessie)
Operating System: linux
Architecture: amd64
Container Runtime Version: docker://1.12.5
Kubelet Version: v1.6.9+a3d1dfa6f4335
Kube-Proxy Version: v1.6.9+a3d1dfa6f4335
ExternalID: 15233045891481496305
Non-terminated Pods: (9 in total)
Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits
--------- ---- ------------ ---------- --------------- -------------
......
Allocated resources:
(Total limits may be over 100 percent, i.e., overcommitted.)
CPU Requests CPU Limits Memory Requests Memory Limits
------------ ---------- --------------- -------------
900m (60%) 2200m (146%) 1009286400 (66%) 5681286400 (375%)
Events: <none>
Console
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$ kubectl describe node
...
Capacity:
cpu: 4
ephemeral-storage: 32461564Ki
hugepages-1Gi: 0
hugepages-2Mi: 0
memory: 16084408Ki
nvidia.com/gpu: 2
pods: 110
Allocatable:
cpu: 4
ephemeral-storage: 29916577333
hugepages-1Gi: 0
hugepages-2Mi: 0
memory: 15982008Ki
nvidia.com/gpu: 2
pods: 110
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5 참고[ | ]
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