Difference between revisions of "Spec.NodeSelector"

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{{lc}}
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* https://www.eksworkshop.com/beginner/140_assigning_pods/node_selector/
  
 
* https://kubernetes.io/docs/tasks/configure-pod-container/assign-pods-nodes/#create-a-pod-that-gets-scheduled-to-your-chosen-node
 
* https://kubernetes.io/docs/tasks/configure-pod-container/assign-pods-nodes/#create-a-pod-that-gets-scheduled-to-your-chosen-node
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     env: test
 
     env: test
 
  spec:
 
  spec:
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   containers:
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   [[containers:]]
 
   - name: nginx
 
   - name: nginx
 
     image: nginx
 
     image: nginx
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   [[nodeSelector:]]
 
   [[nodeSelector:]]
 
     [[disktype]]: ssd
 
     [[disktype]]: ssd
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 +
<pre>
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apiVersion: v1
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kind: Pod
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metadata:
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  name: nginx
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spec:
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  nodeName: foo-node # schedule pod to specific node
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  containers:
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  - name: nginx
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    image: nginx
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    imagePullPolicy: IfNotPresent
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</pre>
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== [[Karpenter]] ==
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nodeSelector:
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  [[topology.kubernetes.io/]]zone: us-west-2a
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  [[karpenter.sh/capacity-type]]: spot
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nodeSelector:
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  [[karpenter.sh/provisioner-name:]] XXXXX
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== DaemonSet ==
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Stop [[DaemonSet]] by appliying a [[nodeSelector]]
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* <code>[[kubectl patch]] daemonset <name-of-daemon-set> -p '{"spec": {"template": {"spec": {"nodeSelector": {"non-existing": "true"}}}}}'</code>
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Start [[DaemonSet]] by removing the [[nodeSelector]] :
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* <code>kubectl patch daemonset <name-of-daemon-set> --type json -p='[{"op": "remove", "path": "[[/spec/template/spec/nodeSelector/]]non-existing"}]'</code>
  
 
== Activities ==
 
== Activities ==
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* <code>[[kubectl apply]]</code>
 
* <code>[[kubectl apply]]</code>
 
* <code>[[nodeAffinity]]</code>
 
* <code>[[nodeAffinity]]</code>
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* [[Kubernetes Pod Topology Spread Constraints]]
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* <code>[[selector:]]</code>
  
 
== See also ==
 
== See also ==
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* {{kind}}
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* {{K8s nodes}}
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* {{K8s}}
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* {{Pods}}
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* {{affinity}}
  
 
[[Category:Kubernetes]]
 
[[Category:Kubernetes]]

Latest revision as of 07:22, 25 July 2024

apiVersion: v1
kind: Pod
metadata:
  name: nginx
  labels:
    env: test
spec:
  containers:
  - name: nginx
    image: nginx
    imagePullPolicy: IfNotPresent
  nodeSelector:
    disktype: ssd

apiVersion: v1

kind: Pod

metadata:

  name: nginx

spec:

  nodeName: foo-node # schedule pod to specific node

  containers:

  - name: nginx

    image: nginx

    imagePullPolicy: IfNotPresent

Karpenter[edit]

nodeSelector:
  topology.kubernetes.io/zone: us-west-2a
  karpenter.sh/capacity-type: spot

nodeSelector:
  karpenter.sh/provisioner-name: XXXXX

DaemonSet[edit]

Stop DaemonSet by appliying a nodeSelector

  • kubectl patch daemonset <name-of-daemon-set> -p '{"spec": {"template": {"spec": {"nodeSelector": {"non-existing": "true"}}}}}'

Start DaemonSet by removing the nodeSelector :

Activities[edit]

Related terms[edit]

See also[edit]

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