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Noteinfo

Important

If the SCS environment is ever expected to be offline or air-gapped in the future, follow the instructions for offline installation instead. Several dependencies must be put into place to support future upgrades.

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  1. Install the EPEL release.

    1. Download the latest EPEL package.

      Code Block
      languagebash
      curl -fLO https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
    2. Install the downloaded RPM.

      Code Block
      languagebash
      yum install -y epel-release-latest-7.noarch.rpm
  2. If running Red Hat, enable the server extras repository.

    Code Block
    languagebash
    subscription-manager repos --enable=rhel-7-server-extras-rpms
  3. Copy '/root/datacore/Swarm-<version>/SCS/podman-packages-scs-<version>.tar and place it into the folder ‘/root/datacore’.

    Code Block
    cp /root/datacore/Swarm-<version>/SCS/podman-packages-scs-<version>.tar /root/datacore/
  4. Extract the file ‘podman-packages-scs-<version>.tar’.

    Code Block
    languagebash
    tar xvf /root/datacore/podman-packages-scs-<version>.tar

Note

This creates the ‘podman_packages’ directory under the ‘/root/datacore/’ directory. This location is used in the next step to set up the podman repo.

  1. Add a new local repo

    Code Block
    languagebash
    printf "[podman]
    name=Dependencies for install podman 3.0.1
    baseurl=file:///root/datacore/podman_packages
    enabled=true
    gpgcheck=0" > /etc/yum.repos.d/podman.repo
  2. Enable the new Podman repo.

    • CentOS (no additional steps are required)

      Code Block
      languagebash
      yum repolist enabled
    • Red Hat

      Code Block
      languagebash
      yum install -y yum-utils
      yum-config-manager enable podman.repo
      yum repolist enabled
  3. Verify Podman is listed as an enabled repo.
    Example output:

    Code Block
    repo id                                                   repo name                                                                               status
    base/7/x86_64                                             CentOS-7 - Base                                                                         10,072
    epel/x86_64                                               Extra Packages for Enterprise Linux 7 - x86_64                                          13,768
    extras/7/x86_64                                           CentOS-7 - Extras                                                                          518
    podman                                                    Dependencies for install podman 3.0.1                                                       12
    updates/7/x86_64                                          CentOS-7 - Updates                                                                       5,283
    repolist: 29,653
  4. Change back to the /root/datacore/Swarm-<version>/SCS/ directory

    Code Block
    cd /root/datacore/Swarm-<version>/SCS/
  5. Import the GPG key if needed.

    Code Block
    rpm --import RPM-GPG-KEY
  6. Install the SCS RPM.

    Code Block
    yum -y install swarm-scs-<version>.el7.x86_64.rpm
  7. Verify SCS is installed properly. The ERROR about being unable to connect to the Swarm Cluster Services API is expected at this step and is not cause for concern.

    Code Block
    scsctl help

    Example output:

    Code Block
    languagebash
    usage: scsctl [-v | --info-log | --debug-log | --trace-log] options: ...
    
    Provides basic control and visibility into Swarm Cluster Services (SCS).
    
    output options:
      These options affect the way output is displayed.
    
      -v, --verbose  Increase output verbosity (ex: -v, -vv, -vvv). Verbose output
                     is always sent to stdout. (default: None)
      --info-log     Set info-level verbosity (equivalent to -v). (default: None)
      --debug-log    Set debug-level verbosity (equivalent to -vv). (default:
                     None)
      --trace-log    Set trace-level verbosity (equivalent to -vvv). (default:
                     None)
    
    subcommands:
      Which action you wish to perform. To get detailed help, add 'help' to the
      end. For example: 'scsctl auth help'
    
      options:
        auth         Manages persisted credentials for contacting the Swarm
                     Cluster Services API.
        backup       Manages backing up and restoring Swarm Cluster Services.
        diagnostics  Performs diagnostics on the SCS server setup.
        init         Utilities for setting up a Swarm environment.
        license      Manages the license for this Swarm ecosystem installation.
        repo         Manages the Swarm Cluster Services repository. The repository
                     contains installed component versions and other third-party
                     software.
        system       Performs administrative operations on the system.
        help         Outputs this help and exits.
    
    ERROR: Cannot connect to the Swarm Cluster Services API service at
    172.30.4.103:8095. Please ensure the service is up and running.

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