Steve Baker eb395ec558 Remove EOLed CentOS 7 and RHEL 7
CentOS 7 reached EOL on 30th June 2024[1] and RHEL 7 ended its
maintenance support 2 phase[2] the same date.

This change removes the ablity to build images derived from these base
images.

The centos and centos-minimal elements now default to a DIB_RELEASE
value of 9-stream.

[1] https://www.redhat.com/en/topics/linux/centos-linux-eol
[2] https://www.redhat.com/en/technologies/linux-platforms/enterprise-linux/rhel-7-end-of-maintenance

Change-Id: Ic50e08d9f84bbd319129be236d799eade5f40be8
2024-07-05 09:53:29 +12:00

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#!/bin/bash
if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then
set -x
fi
set -eu
set -o pipefail
# Ensure the python3 interpreter and YAML libraries are installed
# early (even before package-installs, which is written in Python and
# uses YAML).
if [[ ${DISTRO_NAME} =~ (centos|rhel) ]]; then
# Ensure the "user" python3 package is installed
# so we have /usr/bin/python3 and pyyaml.
dnf install -y python3 python3-pyyaml
fi