How to install OpenShift Container Platform CLI (oc client) on Atomic Host

Solution Verified - Updated -

Environment

  • Red Hat Enterprise Linux Atomic Host 7

Issue

  • The "oc client" is not available on the nodes after OpenShift upgrade, how can it be installed on rhel atomic host ?

Resolution

  • There are 2 options to get "oc client" available on an RHEL Atomic Host and admin privileges is required

    1. Install the package "atomic-openshift-clients", this option will required the system reboot

      # rpm-ostree install atomic-openshift-clients
# systemctl reboot

    2. Download the image ose-cli and copy "oc" binary into a local binary path.

      • Fetch the system container image from the registry

        # atomic pull --storage ostree registry.redhat.io/openshift3/ose-cli
Getting image source signatures
Copying blob 872582724f33 done
Copying blob b13ffc206103 done
Copying blob 8a42fc1252e7 done
Copying blob 7adf1a06f6ce done
Copying blob d12129f876ae done
Copying config eca456704c done
Writing manifest to image destination
Storing signatures

      • Mount the underlying file system of the image into a temporal directory on the host file system

        # mkdir /tmp/ose-cli
# atomic mount --storage ostree registry.redhat.io/openshift3/ose-cli /tmp/ose-cli

      • Copy the "oc client" into the local binary path

        # cp /tmp/ose-cli/usr/bin/oc /usr/bin/local/oc

      • Unmount the image previously mounted

        # atomic umount /tmp/ose-cli

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