amazon web services - how to change existing kubernetes aws cluster with kops (change nodes type) -


i have deployed kubernetes cluster kops....

kops create cluster --state=${state_store} --cloud=aws --zones=eu-west-2a,eu-west-2b --node-count=2 --node-size=t2.small --master-size=t2.small ${name}

is way change node-size after deployment? without deleting cluster...

yes possible.

you need run command: kops edit ig --name=change_to_cluster_name nodes

this bring , editor screen similar to:

apiversion: kops/v1alpha2 kind: instancegroup metadata:   creationtimestamp: "2017-07-01t12:06:22z"   labels:     kops.k8s.io/cluster: url_of_cluster   name: nodes spec:   image: kope.io/k8s-1.6-debian-jessie-amd64-hvm-ebs-   machinetype: m3.large   maxsize: 7   minsize: 3   role: node   subnets:   - eu-west-1a

you can make edit's machine type , min / max nodes required.

once done, exit out of editor would. need run command:

kops update cluster change_to_cluster_name --yes

that'll begin update process - bear in mind instances going disappear , pods running on instances terminate. scheduler should put them on node if can fit them on.


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