#!/bin/bash
# This script is used to prepare yum repositories, that are given as arguments.
set -ex
# DEFAULT_REPOS and SKIP_REPOS_{ENABLE,DISABLE} are intentionally undocumented,
# but might be used if we need to change this behaviour.
# Once we realize there are real use cases for using those variables, we should
# document them properly.
DEFAULT_REPOS=${DEFAULT_REPOS:-"rhel-7-server-rpms rhel-7-server-optional-rpms"}
SKIP_REPOS_ENABLE=${SKIP_REPOS_ENABLE:-false}
SKIP_REPOS_DISABLE=${SKIP_REPOS_DISABLE:-false}
function is_subscribed() {
for f in /run/secrets/etc-pki-entitlement/*.pem ; do
[ -e "$f" ] && return 0
break
done
return 1
}
# if redhat.repo does not exist we have a mounted-in dir, do not enable repositories
[ -f /etc/yum.repos.d/redhat.repo ] || SKIP_REPOS_ENABLE=true
# install yum-utils for yum-config-manager
yum install -y yum-utils
if [ "$SKIP_REPOS_DISABLE" = false ] && is_subscribed; then
# Disable only repos that might come from subscribed host, because there
# might be other repos provided by user or build system
disable_repos=
# Lines look like: "Repo-id : dist-tag-override/x86_64"
while IFS=' /' read -r _ _ repo_id _; do
case $repo_id in rhel-*)
disable_repos+=" $repo_id" ;;
esac
done <<<"$(yum repolist -v 2>/dev/null | grep Repo-id)"
if test -n "$disable_repos"; then
yum-config-manager --disable $disable_repos &> /dev/null
fi
fi
if [ ${SKIP_REPOS_ENABLE} = false ] && [ -n "${DEFAULT_REPOS}" -o $# -gt 0 ] ; then
yum-config-manager --enable ${DEFAULT_REPOS} "$@"
fi