16.3. 단일 노드 OpenShift의 이미지 기반 설치 정보

프로세스

1. 라이브 설치 ISO를 생성하고 단일 노드 OpenShift 시드 이미지 URL 및 기타 설치 아티팩트를 포함합니다.

   1. 다음을 실행하여 작업 디렉터리를 생성합니다.

      $ mkdir ibi-iso-workdir 1

      1

      ibi-iso-workdir 을 작업 디렉터리의 이름으로 바꿉니다.

   2. 선택 사항: ImageBasedInstallationConfig 리소스를 구성할 때 참조로 사용할 설치 구성 템플릿을 생성합니다.

      $ openshift-install image-based create image-config-template --dir ibi-iso-workdir 1

      1

      작업 디렉터리를 지정하지 않으면 명령에서 현재 디렉터리를 사용합니다.

      출력 예

      INFO Image-Config-Template created in: ibi-iso-workdir

      이 명령은 대상 디렉터리에 image-based-installation-config.yaml 설치 구성 템플릿을 생성합니다.

      #
      # Note: This is a sample ImageBasedInstallationConfig file showing
      # which fields are available to aid you in creating your
      # own image-based-installation-config.yaml file.
      #
      apiVersion: v1beta1
      kind: ImageBasedInstallationConfig
      metadata:
        name: example-image-based-installation-config
      # The following fields are required
      seedImage: quay.io/openshift-kni/seed-image:4.17.0
      seedVersion: 4.17.0
      installationDisk: /dev/vda
      pullSecret: '<your_pull_secret>'
      # networkConfig is optional and contains the network configuration for the host in NMState format.
      # See https://nmstate.io/examples.html for examples.
      # networkConfig:
      #   interfaces:
      #     - name: eth0
      #       type: ethernet
      #       state: up
      #       mac-address: 00:00:00:00:00:00
      #       ipv4:
      #         enabled: true
      #         address:
      #           - ip: 192.168.122.2
      #             prefix-length: 23
      #         dhcp: false

   3. 설치 구성 파일을 편집합니다.

      image-based-installation-config.yaml 파일의 예

      apiVersion: v1beta1
      kind: ImageBasedInstallationConfig
      metadata:
        name: example-image-based-installation-config
      seedImage: quay.io/repo-id/seed:latest
      seedVersion: "4.17.0"
      extraPartitionStart: "-240G"
      installationDisk: /dev/disk/by-id/wwn-0x62c...
      sshKey: 'ssh-ed25519 AAAA...'
      pullSecret: '{"auths": ...}'
      networkConfig:
          interfaces:
            - name: ens1f0
              type: ethernet
              state: up
              ipv4:
                enabled: true
                dhcp: false
                auto-dns: false
                address:
                  - ip: 192.168.200.25
                    prefix-length: 24
              ipv6:
                enabled: false
          dns-resolver:
            config:
              server:
                - 192.168.15.47
                - 192.168.15.48
          routes:
            config:
            - destination: 0.0.0.0/0
              metric: 150
              next-hop-address: 192.168.200.254
              next-hop-interface: ens1f0

   4. 다음 명령을 실행하여 라이브 설치 ISO를 생성합니다.

      $ openshift-install image-based create image --dir ibi-iso-workdir

      출력 예

      INFO Consuming Image-based Installation ISO Config from target directory
      INFO Creating Image-based Installation ISO with embedded ignition

검증

1. 대상 호스트에 로그인합니다.

2. 다음 명령을 실행하여 시스템 로그를 확인합니다.

   $ journalctl -b

   출력 예

   Aug 13 17:01:44 10.46.26.129 install-rhcos-and-restore-seed.sh[2876]: time="2024-08-13T17:01:44Z" level=info msg="All the precaching threads have finished."
   Aug 13 17:01:44 10.46.26.129 install-rhcos-and-restore-seed.sh[2876]: time="2024-08-13T17:01:44Z" level=info msg="Total Images: 125"
   Aug 13 17:01:44 10.46.26.129 install-rhcos-and-restore-seed.sh[2876]: time="2024-08-13T17:01:44Z" level=info msg="Images Pulled Successfully: 125"
   Aug 13 17:01:44 10.46.26.129 install-rhcos-and-restore-seed.sh[2876]: time="2024-08-13T17:01:44Z" level=info msg="Images Failed to Pull: 0"
   Aug 13 17:01:44 10.46.26.129 install-rhcos-and-restore-seed.sh[2876]: time="2024-08-13T17:01:44Z" level=info msg="Completed executing pre-caching"
   Aug 13 17:01:44 10.46.26.129 install-rhcos-and-restore-seed.sh[2876]: time="2024-08-13T17:01:44Z" level=info msg="Pre-cached images successfully."
   Aug 13 17:01:44 10.46.26.129 install-rhcos-and-restore-seed.sh[2876]: time="2024-08-13 17:01:44" level=info msg="Skipping shutdown"
   Aug 13 17:01:44 10.46.26.129 install-rhcos-and-restore-seed.sh[2876]: time="2024-08-13 17:01:44" level=info msg="IBI preparation process finished successfully!"
   Aug 13 17:01:44 10.46.26.129 systemd[1]: var-lib-containers-storage-overlay.mount: Deactivated successfully.
   Aug 13 17:01:44 10.46.26.129 systemd[1]: Finished SNO Image-based Installation.
   Aug 13 17:01:44 10.46.26.129 systemd[1]: Reached target Multi-User System.
   Aug 13 17:01:44 10.46.26.129 systemd[1]: Reached target Graphical Interface.