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8장.

중요

8.1.
링크 복사

주의

  1. $ openstack flavor create --<ram 16384> --<disk 0> --ephemeral 10 --vcpus 4 <flavor_name>
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  2. # ...
controlPlane:
  name: master
  platform:
    openstack:
      type: ${CONTROL_PLANE_FLAVOR}
      rootVolume:
        size: 25
        types:
        - ${CINDER_TYPE}
  replicas: 3
# ...
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  3. $ openshift-install create cluster --dir <installation_directory>
    1
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    1 

  4. $ oc wait clusteroperators --all --for=condition=Progressing=false
    1
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    1 

  5. $ oc patch ControlPlaneMachineSet/cluster -n openshift-machine-api --type json -p '
    1 
    
[
    {
      "op": "add",
      "path": "/spec/template/machines_v1beta1_machine_openshift_io/spec/providerSpec/value/additionalBlockDevices",
    2 
    
      "value": [
        {
          "name": "etcd",
          "sizeGiB": 10,
          "storage": {
            "type": "Local"
    3 
    
          }
        }
      ]
    }
  ]
'
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    1
    2
    3 

    1. $ oc wait --timeout=90m --for=condition=Progressing=false controlplanemachineset.machine.openshift.io -n openshift-machine-api cluster
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    2. $ oc wait --timeout=90m --for=jsonpath='{.status.updatedReplicas}'=3 controlplanemachineset.machine.openshift.io -n openshift-machine-api cluster
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    3. $ oc wait --timeout=90m --for=jsonpath='{.status.replicas}'=3 controlplanemachineset.machine.openshift.io -n openshift-machine-api cluster
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    4. $ oc wait clusteroperators --timeout=30m --all --for=condition=Progressing=false
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    $ cp_machines=$(oc get machines -n openshift-machine-api --selector='machine.openshift.io/cluster-api-machine-role=master' --no-headers -o custom-columns=NAME:.metadata.name)
    1 
    


if [[ $(echo "${cp_machines}" | wc -l) -ne 3 ]]; then
  exit 1
fi
    2 
    


for machine in ${cp_machines}; do
  if ! oc get machine -n openshift-machine-api "${machine}" -o jsonpath='{.spec.providerSpec.value.additionalBlockDevices}' | grep -q 'etcd'; then
	exit 1
  fi
    3 
    
done
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    1
    2
    3

  7. 주의

    apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
  labels:
    machineconfiguration.openshift.io/role: master
  name: 98-var-lib-etcd
spec:
  config:
    ignition:
      version: 3.4.0
    systemd:
      units:
      - contents: |
          [Unit]
          Description=Mount local-etcd to /var/lib/etcd

          [Mount]
          What=/dev/disk/by-label/local-etcd
    1 
    
          Where=/var/lib/etcd
          Type=xfs
          Options=defaults,prjquota

          [Install]
          WantedBy=local-fs.target
        enabled: true
        name: var-lib-etcd.mount
      - contents: |
          [Unit]
          Description=Create local-etcd filesystem
          DefaultDependencies=no
          After=local-fs-pre.target
          ConditionPathIsSymbolicLink=!/dev/disk/by-label/local-etcd
    2 
    

          [Service]
          Type=oneshot
          RemainAfterExit=yes
          ExecStart=/bin/bash -c "[ -L /dev/disk/by-label/ephemeral0 ] || ( >&2 echo Ephemeral disk does not exist; /usr/bin/false )"
          ExecStart=/usr/sbin/mkfs.xfs -f -L local-etcd /dev/disk/by-label/ephemeral0
    3 
    

          [Install]
          RequiredBy=dev-disk-by\x2dlabel-local\x2detcd.device
        enabled: true
        name: create-local-etcd.service
      - contents: |
          [Unit]
          Description=Migrate existing data to local etcd
          After=var-lib-etcd.mount
          Before=crio.service
    4 
    

          Requisite=var-lib-etcd.mount
          ConditionPathExists=!/var/lib/etcd/member
          ConditionPathIsDirectory=/sysroot/ostree/deploy/rhcos/var/lib/etcd/member
    5 
    

          [Service]
          Type=oneshot
          RemainAfterExit=yes

          ExecStart=/bin/bash -c "if [ -d /var/lib/etcd/member.migrate ]; then rm -rf /var/lib/etcd/member.migrate; fi"
    6 
    

          ExecStart=/usr/bin/cp -aZ /sysroot/ostree/deploy/rhcos/var/lib/etcd/member/ /var/lib/etcd/member.migrate
          ExecStart=/usr/bin/mv /var/lib/etcd/member.migrate /var/lib/etcd/member
    7 
    

          [Install]
          RequiredBy=var-lib-etcd.mount
        enabled: true
        name: migrate-to-local-etcd.service
      - contents: |
          [Unit]
          Description=Relabel /var/lib/etcd

          After=migrate-to-local-etcd.service
          Before=crio.service

          [Service]
          Type=oneshot
          RemainAfterExit=yes

          ExecCondition=/bin/bash -c "[ -n \"$(restorecon -nv /var/lib/etcd)\" ]"
    8 
    

          ExecStart=/usr/sbin/restorecon -R /var/lib/etcd

          [Install]
          RequiredBy=var-lib-etcd.mount
        enabled: true
        name: relabel-var-lib-etcd.service
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    1
    2
    3
    4
    5
    6
    7
    8 

  8. $ oc create -f 98-var-lib-etcd.yaml
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    참고

    1. $ oc wait --timeout=45m --for=condition=Updating=false machineconfigpool/master
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    2. $ oc wait node --selector='node-role.kubernetes.io/master' --for condition=Ready --timeout=30s
      Copy to Clipboard Toggle word wrap 

    3. $ oc wait clusteroperators --timeout=30m --all --for=condition=Progressing=false
      Copy to Clipboard Toggle word wrap
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