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where old rpm's are still left on the system. As a result of this Lustre packages are
uninstalled so you will need to call lustre role after invoking it. This code comes
directly from update  clusterbuild/local_roles/m3_force_upgrade


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force mellanox role to fail if no hardware is present. I want this to be handled higher up where it is visible


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add check_mode tags to shell command and script tasks that should be run even when checking (only do this if the task is known to not make system changes


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remove all yum updates and apt-get upgrades except from roles specifically designed to do this eg apt-get upgrade role

added a var file. Unrolled some 'apt .deb' loops. Removed sleep before reboot
Fixed up network file creation for unbutu with inline commands