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Chapter 2. Managing repositories to build your customized operating systems

You can define your customized repositories with third-party content without having to manage their lifecycle. You can use your third-party content to build an image, and when you launch that image to the public cloud environment, you can use those repositories with the dnf tool.

2.1. Adding a custom repository
リンクのコピー

Define your repository to be able to add packages from this repository to your customized images.

Prerequisites

  • You have a RHEL subscription.
  • You have administrator access to the Red Hat Hybrid Cloud Console web user interface or repository administrator role.
  • You have the URL link to your repository content.

Procedure

  1. Access Hybrid Cloud Console, click Content Repositories. For details on how to access the Red Hat Hybrid Cloud Console, see Getting started with the Red Hat Hybrid Cloud Console.
  2. Click Add repositories. The Add custom repositories wizard opens.
  3. In the Name field provide a name for your custom repository.

  4. In the Repository type, select:

    Snapshotting
    Enables creating a daily snapshot of this repository if this repository has updates since the last snapshot. That enables you to create Image Blueprints with consistent repository content.
    Introspect only
    Disables snapshots for this repository.
    Upload

    Enables uploading packages to your custom repository. The file must have an rpm extension.

    Note, the Upload option is available only in the Preview mode.

  5. If you selected Snapshotting or Introspect only, in the URL field, provide the URL to your repository.
  6. Optional: In the Restrict architecture drop-down menu, select an architecture. You can allow all the architectures or restrict it to your system architecture to prevent incorrect repositories availability.
  7. Optional: In the Restrict OS version drop-down menu, select an operating system (OS). You can allow all the RHEL versions or select one for your system version to prevent incorrect repositories being available.
  8. Optional: Disable Modularity filtering option. When the Modularity filtering option is disabled, you can update packages in this repository even if the packages are part of a module.
  9. Optional: In the GPG key field, upload the .txt file with a GPG key or paste the URL or value of an existing GPG key. The GPG key can be used to verify the signed packages of a repository. If you do not provide the GPG key for a repository, your system cannot perform the verification.
  10. If you selected Snapshotting or Introspect only, click Save. The Red Hat Hybrid Cloud Console validates the project status. If your repository is marked as Invalid, check the repository URL that you added. For details about the repository status, see the Repository status section.

  11. If you selected Upload:

    1. Click Save and upload content. The Upload content window opens.
    2. Click Upload, select the rpm files you want to upload, and click Open.
    3. Click Confirm changes when your file uploading is complete.

Verification

  • On the Repositories page, select the Custom tab, and verify that the repository you added is listed. Note, that the repositories from the EPEL and the Red Hat tabs are available to your custom images by default.

2.2. Modifying a custom repository
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You can modify a custom repository when you need to update information for that repository.

Prerequisites

  • You have a RHEL subscription.
  • You have administrator access to the Red Hat Hybrid Cloud Console web user interface or repository administrator role.

Procedure

  1. Access Hybrid Cloud Console, click Content Repositories. For details on how to access the Red Hat Hybrid Cloud Console, see Getting started with the Red Hat Hybrid Cloud Console.
  2. Find a repository you want to modify and click Edit in the Options menu.
  3. In the Edit custom repository wizard, modify the information you need. Click Save changes.

2.3. Removing a custom repository
リンクのコピー

When you no longer need a custom repository you can delete it.

Prerequisites

  • You have a RHEL subscription.
  • You have administrator access to the Red Hat Hybrid Cloud Console web user interface or repository administrator role.

Procedure

  1. Access Hybrid Cloud Console, click Content Repositories. For details on how to access the Red Hat Hybrid Cloud Console, see Getting started with the Red Hat Hybrid Cloud Console.
  2. Find a repository to delete and click Delete in the Options menu.

Verification

  • Open the list of custom repositories, and verify that the repository no longer exists.

2.4. Removing snapshots from a repository
リンクのコピー

You can delete snapshots from your custom repository to avoid broken functionality or security vulnerabilities that the old content might introduce.

Important

Snapshots get removed automatically after 365 days unless there is no newer snapshot of this repository. If a repository has multiple snapshots and the snapshot for removal is used in a content template, this snapshot will be replaced with the newer snapshot in the content template.

Prerequisites

  • You have a RHEL subscription.
  • You have administrator access to the Red Hat Hybrid Cloud Console web user interface or repository administrator role.
  • You have added a custom repository. See Adding a custom repository.

Procedure

  1. Access Hybrid Cloud Console, click Content Repositories. For details on how to access the Red Hat Hybrid Cloud Console, see Getting started with the Red Hat Hybrid Cloud Console.
  2. In the Your repositories tab, find the repository containing the snapshot to be removed, and click View all snapshots in the Option menu.
  3. In the Snapshot window, select all snapshots that you want to remove from this repository, and click Remove selected snapshots.
  4. In the Remove snapshot window, confirm the removal of the selected snapshots and click Remove.

2.5. Updating custom repository after changes
リンクのコピー

When you make changes to your repository you can trigger a refresh of that repository in the Red Hat Hybrid Cloud Console.

Prerequisites

  • You have a RHEL subscription.
  • You have administrator access to the Red Hat Hybrid Cloud Console web user interface or repository administrator role.
  • You updated your custom repository.

Procedure

  1. Access Hybrid Cloud Console, click Content Repositories. For details on how to access the Red Hat Hybrid Cloud Console, see Getting started with the Red Hat Hybrid Cloud Console.
  2. Find a repository you want to modify and click Introspect Now in the Options menu.

  3. The status of that repository changes to In progress that indicates the Hybrid Cloud Console is connecting to the repository and checking for changes.

    The Red Hat Hybrid Cloud Console checks the status of the repositories every 24 hours and again every 8 hours if the status check fails.

2.6. Repository status in the Red Hat Hybrid Cloud Console
リンクのコピー

The repository status shows if the repository is available. The Red Hat Hybrid Cloud Console checks the repository status periodically and can change it. The following table describes the repository status in the Red Hat Hybrid Cloud Console.

Expand
Table 2.1. Repository status
StatusDescription

Valid

The Red Hat Hybrid Cloud Console has validated the repository and you can use it.

Invalid

The Red Hat Hybrid Cloud Console never validated this repository. You cannot use it.

Unavailable

The repository was valid at least once. The Red Hat Hybrid Console cannot reach this repository at the moment. You cannot use it.

In progress

The repository validation is in progress.

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