Red Hat Summit Red Hat Summit지원콘솔개발자평가판 시작연락처

4장.

4.1.
링크 복사

참고

참고

apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfigPool
metadata:
  name: infra
spec:
  machineConfigSelector:
    matchExpressions:
      - {key: machineconfiguration.openshift.io/role, operator: In, values: [worker,infra]}
# ...
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참고

$ oc get kubeletconfig
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NAME                      AGE
set-kubelet-config        15m
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$ oc get mc | grep kubelet
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...
99-worker-generated-kubelet-1                  b5c5119de007945b6fe6fb215db3b8e2ceb12511   3.4.0             26m
...
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    1. $ oc describe machineconfigpool <name>
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      $ oc describe machineconfigpool worker
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      apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfigPool
metadata:
  creationTimestamp: 2019-02-08T14:52:39Z
  generation: 1
  labels:
    custom-kubelet: set-kubelet-config
      1
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      1 

    2. $ oc label machineconfigpool worker custom-kubelet=set-kubelet-config
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  1. $ oc get machineconfig
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  2. $ oc describe node <node_name>
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    $ oc describe node ci-ln-5grqprb-f76d1-ncnqq-worker-a-mdv94
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    Allocatable:
 attachable-volumes-aws-ebs:  25
 cpu:                         3500m
 hugepages-1Gi:               0
 hugepages-2Mi:               0
 memory:                      15341844Ki
 pods:                        250
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    1. 중요

      apiVersion: machineconfiguration.openshift.io/v1
kind: KubeletConfig
metadata:
  name: set-kubelet-config
spec:
  machineConfigPoolSelector:
    matchLabels:
      custom-kubelet: set-kubelet-config
      1 
      
  kubeletConfig:
      2 
      
      podPidsLimit: 8192
      containerLogMaxSize: 50Mi
      maxPods: 500
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      1
      2

      • 참고

        apiVersion: machineconfiguration.openshift.io/v1
kind: KubeletConfig
metadata:
  name: set-kubelet-config
spec:
  machineConfigPoolSelector:
    matchLabels:
      custom-kubelet: set-kubelet-config
  kubeletConfig:
    maxPods: <pod_count>
    kubeAPIBurst: <burst_rate>
    kubeAPIQPS: <QPS>
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    2. $ oc label machineconfigpool worker custom-kubelet=set-kubelet-config
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    3. $ oc create -f change-maxPods-cr.yaml
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  1. $ oc get kubeletconfig
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    NAME                      AGE
set-kubelet-config        15m
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    1. $ oc describe node <node_name>
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    2.  ...
Allocatable:
  attachable-volumes-gce-pd:  127
  cpu:                        3500m
  ephemeral-storage:          123201474766
  hugepages-1Gi:              0
  hugepages-2Mi:              0
  memory:                     14225400Ki
  pods:                       500
      1 
      
 ...
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      1 

  3. $ oc get kubeletconfigs set-kubelet-config -o yaml
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    spec:
  kubeletConfig:
    containerLogMaxSize: 50Mi
    maxPods: 500
    podPidsLimit: 8192
  machineConfigPoolSelector:
    matchLabels:
      custom-kubelet: set-kubelet-config
status:
  conditions:
  - lastTransitionTime: "2021-06-30T17:04:07Z"
    message: Success
    status: "True"
    type: Success
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