Difference between revisions of "Kubectl describe nodes"
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| Line 202: | Line 202: | ||
* <code>[[kubectl get nodes]]</code> | * <code>[[kubectl get nodes]]</code> | ||
* [[Kubernetes nodes]] | * [[Kubernetes nodes]] | ||
| + | * [[kube-system]] | ||
== See also == | == See also == | ||
Revision as of 12:14, 22 February 2024
kubectl describe nodes | grep conditions: kubectl describe nodes | grep "cpu:" kubectl describe nodes | grep "memory:"
kubectl describe node (example)
kubectl describe nodes | grep CreationTimestamp
conditions: events:
kubectl describe nodes
Name: ip-192-168-12-78.us-east-2.compute.internal
Roles: <none>
Labels: alpha.eksctl.io/cluster-name=first-eks-cluster
alpha.eksctl.io/nodegroup-name=ng-52e4badc
beta.kubernetes.io/arch=amd64
beta.kubernetes.io/instance-type=t3.small
beta.kubernetes.io/os=linux
eks.amazonaws.com/capacityType=SPOT
eks.amazonaws.com/nodegroup=ng-52e4badc
eks.amazonaws.com/nodegroup-image=ami-014b0ee6a978b6ca5
eks.amazonaws.com/sourceLaunchTemplateId=lt-0b02696b156323f05
eks.amazonaws.com/sourceLaunchTemplateVersion=1
failure-domain.beta.kubernetes.io/region=us-east-2
failure-domain.beta.kubernetes.io/zone=us-east-2a
kubernetes.io/arch=amd64
kubernetes.io/hostname=ip-192-168-12-78.us-east-2.compute.internal
kubernetes.io/os=linux
node.kubernetes.io/instance-type=t3.small
topology.kubernetes.io/region=us-east-2
topology.kubernetes.io/zone=us-east-2a
Annotations: node.alpha.kubernetes.io/ttl: 0
volumes.kubernetes.io/controller-managed-attach-detach: true
CreationTimestamp: Mon, 29 Nov 2021 00:21:41 +0300
Taints: <none>
Unschedulable: false
Lease:
HolderIdentity: ip-192-168-12-78.us-east-2.compute.internal
AcquireTime: <unset>
RenewTime: Mon, 29 Nov 2021 14:43:04 +0300
Conditions:
Type Status LastHeartbeatTime LastTransitionTime Reason Message
---- ------ ----------------- ------------------ ------ -------
MemoryPressure False Mon, 29 Nov 2021 14:41:42 +0300 Mon, 29 Nov 2021 00:21:40 +0300 KubeletHasSufficientMemory kubelet has sufficient memory available
DiskPressure False Mon, 29 Nov 2021 14:41:42 +0300 Mon, 29 Nov 2021 00:21:40 +0300 KubeletHasNoDiskPressure kubelet has no disk pressure
PIDPressure False Mon, 29 Nov 2021 14:41:42 +0300 Mon, 29 Nov 2021 00:21:40 +0300 KubeletHasSufficientPID kubelet has sufficient PID available
Ready True Mon, 29 Nov 2021 14:41:42 +0300 Mon, 29 Nov 2021 00:22:02 +0300 KubeletReady kubelet is posting ready status
Addresses:
InternalIP: 192.168.12.78
ExternalIP: 6.145.74.xx
Hostname: ip-192-168-12-78.us-east-2.compute.internal
InternalDNS: ip-192-168-12-78.us-east-2.compute.internal
ExternalDNS: ec2-3-145-74-221.us-east-2.compute.amazonaws.com
Capacity:
attachable-volumes-aws-ebs: 25
cpu: 2
ephemeral-storage: 83873772Ki
hugepages-1Gi: 0
hugepages-2Mi: 0
memory: 1994628Ki
pods: 11
Allocatable:
attachable-volumes-aws-ebs: 25
cpu: 1930m
ephemeral-storage: 76224326324
hugepages-1Gi: 0
hugepages-2Mi: 0
memory: 1507204Ki
pods: 11
System Info:
Machine ID: ec22ec5b71867f441eb9c9b550419bab
System UUID: ec22ec5b-7186-7f44-1eb9-c9b550419bab
Boot ID: 6f23f2fb-b1ef-44ea-b869-d7f31c338d55
Kernel Version: 5.4.156-83.273.amzn2.x86_64
OS Image: Amazon Linux 2
Operating System: linux
Architecture: amd64
Container Runtime Version: docker://20.10.7
Kubelet Version: v1.21.5-eks-bc4871b
Kube-Proxy Version: v1.21.5-eks-bc4871b
ProviderID: aws:///us-east-2a/i-04bde92ef89395865
Non-terminated Pods: (3 in total)
Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits Age
--------- ---- ------------ ---------- --------------- ------------- ---
kube-system aws-node-9qjgk 10m (0%) 0 (0%) 0 (0%) 0 (0%) 14h
kube-system coredns-f47955f89-z59pt 100m (5%) 0 (0%) 70Mi (4%) 170Mi (11%) 14h
kube-system kube-proxy-wbds2 100m (5%) 0 (0%) 0 (0%) 0 (0%) 14h
Allocated resources:
(Total limits may be over 100 percent, i.e., overcommitted.)
Resource Requests Limits
-------- -------- ------
cpu 210m (10%) 0 (0%)
memory 70Mi (4%) 170Mi (11%)
ephemeral-storage 0 (0%) 0 (0%)
hugepages-1Gi 0 (0%) 0 (0%)
hugepages-2Mi 0 (0%) 0 (0%)
attachable-volumes-aws-ebs 0 0
Events: <none>
Name: ip-192-168-71-222.us-east-2.compute.internal
Roles: <none>
Labels: alpha.eksctl.io/cluster-name=first-eks-cluster
alpha.eksctl.io/nodegroup-name=ng-52e4badc
beta.kubernetes.io/arch=amd64
beta.kubernetes.io/instance-type=t3.small
beta.kubernetes.io/os=linux
eks.amazonaws.com/capacityType=SPOT
eks.amazonaws.com/nodegroup=ng-52e4badc
eks.amazonaws.com/nodegroup-image=ami-014b0ee6a978b6ca5
eks.amazonaws.com/sourceLaunchTemplateId=lt-0b02696b156323f05
eks.amazonaws.com/sourceLaunchTemplateVersion=1
failure-domain.beta.kubernetes.io/region=us-east-2
failure-domain.beta.kubernetes.io/zone=us-east-2b
kubernetes.io/arch=amd64
kubernetes.io/hostname=ip-192-168-71-222.us-east-2.compute.internal
kubernetes.io/os=linux
node.kubernetes.io/instance-type=t3.small
topology.kubernetes.io/region=us-east-2
topology.kubernetes.io/zone=us-east-2b
Annotations: node.alpha.kubernetes.io/ttl: 0
volumes.kubernetes.io/controller-managed-attach-detach: true
CreationTimestamp: Mon, 29 Nov 2021 00:21:40 +0300
Taints: <none>
Unschedulable: false
Lease:
HolderIdentity: ip-192-168-71-222.us-east-2.compute.internal
AcquireTime: <unset>
RenewTime: Mon, 29 Nov 2021 14:43:38 +0300
Conditions:
Type Status LastHeartbeatTime LastTransitionTime Reason Message
---- ------ ----------------- ------------------ ------ -------
MemoryPressure False Mon, 29 Nov 2021 14:41:42 +0300 Mon, 29 Nov 2021 00:21:39 +0300 KubeletHasSufficientMemory kubelet has sufficient memory available
DiskPressure False Mon, 29 Nov 2021 14:41:42 +0300 Mon, 29 Nov 2021 00:21:39 +0300 KubeletHasNoDiskPressure kubelet has no disk pressure
PIDPressure False Mon, 29 Nov 2021 14:41:42 +0300 Mon, 29 Nov 2021 00:21:39 +0300 KubeletHasSufficientPID kubelet has sufficient PID available
Ready True Mon, 29 Nov 2021 14:41:42 +0300 Mon, 29 Nov 2021 00:22:01 +0300 KubeletReady kubelet is posting ready status
Addresses:
InternalIP: 192.168.71.222
ExternalIP: 6.17.185.xx
Hostname: ip-192-168-71-222.us-east-2.compute.internal
InternalDNS: ip-192-168-71-222.us-east-2.compute.internal
ExternalDNS: ec2-3-17-185-231.us-east-2.compute.amazonaws.com
Capacity:
attachable-volumes-aws-ebs: 25
cpu: 2
ephemeral-storage: 83873772Ki
hugepages-1Gi: 0
hugepages-2Mi: 0
memory: 1994628Ki
pods: 11
Allocatable:
attachable-volumes-aws-ebs: 25
cpu: 1930m
ephemeral-storage: 76224326324
hugepages-1Gi: 0
hugepages-2Mi: 0
memory: 1507204Ki
pods: 11
System Info:
Machine ID: ec2c596d5fa9f00e916116cc4a14cc31
System UUID: ec2c596d-5fa9-f00e-9161-16cc4a14cc31
Boot ID: 785dd3fa-48cd-497b-a1f5-c0bb3e01dded
Kernel Version: 5.4.156-83.273.amzn2.x86_64
OS Image: Amazon Linux 2
Operating System: linux
Architecture: amd64
Container Runtime Version: docker://20.10.7
Kubelet Version: v1.21.5-eks-bc4871b
Kube-Proxy Version: v1.21.5-eks-bc4871b
ProviderID: aws:///us-east-2b/i-0dffc1a54f70c0ed9
Non-terminated Pods: (3 in total)
Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits Age
--------- ---- ------------ ---------- --------------- ------------- ---
kube-system aws-node-v6jzm 10m (0%) 0 (0%) 0 (0%) 0 (0%) 14h
kube-system coredns-f47955f89-dshkm 100m (5%) 0 (0%) 70Mi (4%) 170Mi (11%) 14h
kube-system kube-proxy-4ptzp 100m (5%) 0 (0%) 0 (0%) 0 (0%) 14h
Allocated resources:
(Total limits may be over 100 percent, i.e., overcommitted.)
Resource Requests Limits
-------- -------- ------
cpu 210m (10%) 0 (0%)
memory 70Mi (4%) 170Mi (11%)
ephemeral-storage 0 (0%) 0 (0%)
hugepages-1Gi 0 (0%) 0 (0%)
hugepages-2Mi 0 (0%) 0 (0%)
attachable-volumes-aws-ebs 0 0
Events: <none>
Related
See also
kubectl describe nodes- K8s nodes:
get | uncordon | cordon | drain | taint | describe | patch ] nodes - Kubernetes nodes,
node.kubernetes.ioK8s Node controller (node-controller),MemoryPressure, DiskPressure, NodeHasDiskPressure, events, NodeNotReady, Node-pressure Eviction, RemovingNode, ProviderID,kubectl node-shell, kubectl describe nodes
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