Keep new packages when migrating from Stream until RockyLinux catches up (#96)
* CentOS Stream changes * Retain CentOS Stream repositories and packages to avoid version downgrade issues. * Only remove centos-stream-repos from the rpm db, do not actually uninstall the files. * Rename system repositories from CentOS Stream with a "stream-" prefix to avoid clashing with Rockylinux system repository names. * Disable CentOS Stream repositories after the distro-sync. Note that these changes will leave CentOS Stream packages on the system, likely until the next RockyLinux point release. This is intentional to avoid issues with downgrading package versions. * Apply stream logic to epel-next-release. epel-next-release is installed for CentOS stream machines with EPEL. Apply similar logic for epel-next as for CentOS stream.
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@ -125,6 +125,15 @@ repo_urls=(
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[rockyappstream]="https://dl.rockylinux.org/pub/rocky/${SUPPORTED_MAJOR}/AppStream/$ARCH/os/"
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)
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# The repos package for CentOS stream requires special handling.
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declare -g -A stream_repos_pkgs
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stream_repos_pkgs=(
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[rocky-repos]=centos-stream-repos
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[epel-release]=epel-next-release
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)
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# Prefix to add to CentOS stream repo names when renaming them.
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stream_prefix=stream-
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unset CDPATH
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exit_message() {
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@ -212,8 +221,8 @@ bin_check() {
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local -a missing bins
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bins=(
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rpm dnf awk column tee tput mkdir cat arch sort uniq
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rmdir rm head curl sha512sum mktemp systemd-detect-virt
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rpm dnf awk column tee tput mkdir cat arch sort uniq rmdir
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rm head curl sha512sum mktemp systemd-detect-virt sed
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)
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if [[ $update_efi ]]; then
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bins+=(findmnt grub2-mkconfig efibootmgr grep mokutil lsblk)
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@ -539,6 +548,22 @@ $'because continuing with the migration could cause further damage to system.'
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fi
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done;
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# Special Handling for CentOS Stream Repos
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installed_sys_stream_repos_pkgs=()
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installed_stream_repos_pkgs=()
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for p in "${!stream_repos_pkgs[@]}"; do
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if [[ ${installed_pkg_map[$p]} &&
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${installed_pkg_map[$p]} == "${stream_repos_pkgs[$p]}" ]]
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then
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# System package that needs to be swapped / disabled
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installed_pkg_map[$p]=
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installed_sys_stream_repos_pkgs+=( ${stream_repos_pkgs[$p]} )
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elif rpm --quiet -q "${stream_repos_pkgs[$p]}"; then
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# Non-system package, repos just need to be disabled.
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installed_stream_repos_pkgs+=( ${stream_repos_pkgs[$p]} )
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fi
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done
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printf '%s\n' '' "We will replace the following $PRETTY_NAME packages with their Rocky Linux 8 equivalents"
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column -t -s $'\t' -N "Packages to be Removed,Packages to be Installed" < <(
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for p in "${!installed_pkg_map[@]}"; do
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@ -546,8 +571,24 @@ $'because continuing with the migration could cause further damage to system.'
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done
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)
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if (( ${#installed_sys_stream_repos_pkgs[@]} )); then
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printf '%s\n' '' \
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'Also to aid the transition from CentOS Stream the following packages will be '\
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'removed from the rpm database but the included repos will be renamed and '\
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'retained but disabled:' \
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"${installed_sys_stream_repos_pkgs[@]}"
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fi
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if (( ${#installed_stream_repos_pkgs[@]} )); then
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printf '%s\n' '' \
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'Also to aid the transition from CentOS Stream the repos included in the '\
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'following packages will be renamed and retained but disabled:' \
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"${installed_stream_repos_pkgs[@]}"
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fi
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if (( ${#addl_pkg_removes[@]} )); then
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printf '%s\n' '' "In addition to the above the following system packages will be removed:" \
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printf '%s\n' '' \
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"In addition to the above the following system packages will be removed:" \
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"${addl_pkg_removes[@]}"
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fi
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@ -661,6 +702,25 @@ package_swaps() {
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dnfparameters+=( "--setopt=${repo}.gpgkey=file://${gpg_key_file}" )
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done
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# CentOS Stream specific processing
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if (( ${#installed_stream_repos_pkgs[@]} )); then
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# Get a list of the repo files.
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local -a repos_files
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readarray -t repos_files < <(
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saferpm -ql "${installed_sys_stream_repos_pkgs[@]}" \
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"${installed_stream_repos_pkgs[@]}" |
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grep '^/etc/yum\.repos\.d/.\+\.repo$'
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)
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# Remove the package from the rpm db.
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saferpm -e --justdb --nodeps -a "${installed_sys_stream_repos_pkgs[@]}" ||
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exit_message \
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"Could not remove packages from the rpm db: ${installed_sys_stream_repos_pkgs[@]}"
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# Rename the stream repos with a prefix.
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sed -i 's/^\[/['"$stream_prefix"'/' "${repos_files[@]}"
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fi
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# Use dnf shell to swap the system packages out.
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safednf -y shell --disablerepo=\* --noautoremove \
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--setopt=protected_packages= --setopt=keepcache=True \
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@ -757,7 +817,7 @@ EOF
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# Distrosync
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infomsg $'Ensuring repos are enabled before the package swap\n'
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safednf -y --enableplugin=config-manager config-manager \
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safednf -y --enableplugin=config_manager config-manager \
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--set-enabled "${!repo_map[@]}" || {
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printf '%s\n' 'Repo name missing?'
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exit 25
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@ -788,7 +848,7 @@ EOF
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exit_message "Can't enable modules ${enabled_modules[*]}"
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fi
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# Make sure that excluded repos are disabled.
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# Make sure that excluded modules are disabled.
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infomsg $'Disabling excluded modules\n\n'
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safednf -y module disable "${module_excludes[@]}" ||
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exit_message "Can't disable modules ${module_excludes[*]}"
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@ -796,8 +856,39 @@ EOF
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infomsg $'\nSyncing packages\n\n'
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dnf -y distro-sync || exit_message "Error during distro-sync."
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# Disable Stream repos.
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if (( ${#installed_sys_stream_repos_pkgs[@]} ||
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${#installed_stream_repos_pkgs[@]} )); then
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dnf -y --enableplugin=config_manager config-manager --set-disabled \
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"$stream_prefix*" ||
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errmsg \
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$'Failed to disable CentOS Stream repos, please check and disable manually.\n'
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infomsg $'\nCentOS Stream Migration Notes:\n\n'
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cat <<EOF
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Because CentOS Stream leads RockyLinux by the next point release many packages
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in Stream will have higher version numbers than those in RockyLinux, some will
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even be rebased to a new upstream version. Downgrading these packages to the
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versions in RockyLinux carries the risk that the older version may not
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recognize config files, data or other files generated by the newer version in
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Stream.
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To avoid issues with this the newer package versions from CentOS Stream have
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been retained. Also the CentOS Stream repositories have been retained but
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renamed with a prefix of "stream-" to avoid clashing with RockyLinux
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repositories, but these same repos have also been disabled so that future
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package installs will come from the stock RockyLinux repositories.
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If you do nothing except update to the next point release of RockyLinux when it
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becomes available then the packages retained from Stream should be replaced at
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that time. If you need to update a package from Stream (eg: to fix a bug or
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security issue) then you will need to enable the appropriate repository to do
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so.
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EOF
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fi
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if rpm --quiet -q subscription-manager; then
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infomsg $'Subscription Manager found on system.\n'
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infomsg $'\nSubscription Manager found on system.\n\n'
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cat <<EOF
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If you're converting from a subscription-managed distribution such as RHEL then
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you may no longer need subscription-manager or dnf-plugin-subscription-manager.
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@ -812,7 +903,6 @@ The subscription-manager dnf plugin may be enabled for the benefit of
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Subscription Management. If no longer desired, you can use
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"subscription-manager config --rhsm.auto_enable_yum_plugins=0" to block this
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behavior.
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EOF
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fi
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if [[ $tmp_sm_ca_dir ]]; then
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