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Chapter 7. opm CLI

7.1. About opm

The opm CLI tool is provided by the Operator Framework for use with the Operator Bundle Format. This tool allows you to create and maintain catalogs of Operators from a list of bundles, called an index, that are similar to software repositories. The result is a container image, called an index image, which can be stored in a container registry and then installed on a cluster.

An index contains a database of pointers to Operator manifest content that can be queried through an included API that is served when the container image is run. On OpenShift Container Platform, Operator Lifecycle Manager (OLM) can use the index image as a catalog by referencing it in a CatalogSource object, which polls the image at regular intervals to enable frequent updates to installed Operators on the cluster.

7.2. Installing opm

You can install the opm CLI tool on your Linux, macOS, or Windows workstation.

Prerequisites

  • For Linux, you must provide the following packages. RHEL 8 meets these requirements:

    • podman version 1.9.3+ (version 2.0+ recommended)
    • glibc version 2.28+

Procedure

  1. Navigate to the OpenShift mirror site and download the latest version of the tarball that matches your operating system.

  2. Unpack the archive.

    • For Linux or macOS: 

      $ tar xvf <file>
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    • For Windows, unzip the archive with a ZIP program.

  3. Place the file anywhere in your PATH.

    • For Linux or macOS:

      1. Check your PATH: 

        $ echo $PATH
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      2. Move the file. For example: 

        $ sudo mv ./opm /usr/local/bin/
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    • For Windows:

      1. Check your PATH: 

        C:\> path
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      2. Move the file: 

        C:\> move opm.exe <directory>
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Verification

  • After you install the opm CLI, verify that it is available: 

    $ opm version
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    Example output

    Version: version.Version{OpmVersion:"v1.14.3-29-ge82c4649", GitCommit:"e82c4649b208cd0b08dbd5b88da55450f97b3a2d", BuildDate:"2021-02-13T02:20:52Z", GoOs:"linux", GoArch:"amd64"}
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