144 lines
3.0 KiB
Bash
144 lines
3.0 KiB
Bash
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0-or-later
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USAGE="$0 <install|remove> <package> <version> <num_packages>"
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if test "$1" = "-h" -o "$1" = "--help"; then
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echo "$USAGE"
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exit 0
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fi
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if test "$#" -lt 2; then
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echo "$USAGE" >&2
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exit 1
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fi
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# ulp trigger have problems with bash expanding its arguments. Disable that
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# and let it expand the wildcard by itself.
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shopt -s nullglob
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check_livepatching_env()
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{
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[ -z "$PACKAGE" ] && return 0
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echo $PACKAGE
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COMPONENT=${PACKAGE%-livepatches}
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COMPONENT=${COMPONENT^^}
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COMPONENT=${COMPONENT/-/_}
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CONF_VAR_NAME="LIVEPATCH_$COMPONENT"
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eval "$CONF_VAR_NAME"=auto
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# Check if a sysconfig for livepatching exists. If yes, include the file.
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if test -f "/etc/sysconfig/livepatching"; then
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. /etc/sysconfig/livepatching || :
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fi
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return 0
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}
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do_install()
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{
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if test -e /.buildenv; then
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echo "Skipping userspace live patches in buildroot"
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return 0
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fi
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check_livepatching_env || return 0
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INSTALL_DIR="/usr/lib64/$PACKAGE/$VER"
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TRIGGER_PATH="$INSTALL_DIR"
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# Check if we are running a transactional update. If yes, then we need to
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# move the livepatches to a better location.
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if [ "$TRANSACTIONAL_UPDATE" = "true" ] && [ "x$TRANSACTIONAL_UPDATE_ROOT" != "x" ]; then
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TRIGGER_PATH="/var/livepatches/$PACKAGE/$VER/lp"
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# Create path if it doesn't already exist.
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mkdir -p "$TRIGGER_PATH"
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# Clean the path
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rm -rf "$TRIGGER_PATH"
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# Copy the patches to the location we have permission.
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cp -rZ "$INSTALL_DIR" "$TRIGGER_PATH"
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fi
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ulp trigger --recursive -r 100 --timeout 200 --revert-all=target \
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"$TRIGGER_PATH/*.so"
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echo "ulp trigger executed."
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}
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do_remove()
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{
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: # reserved for future use
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}
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# Execute this on sle-micro to move the new libraries to the current snapshot.
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do_movelibs()
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{
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if test -e /.buildenv; then
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echo "Skipping move libs in buildroot"
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return 0
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fi
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local ld_so_conf="/var/livepatches/ld.so.conf"
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local addline="/var/livepatches/$PACKAGE/$VER/libs"
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local line_pattern="/var/livepatches/$PACKAGE/.*/libs"
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[[ -e $ld_so_conf ]] && sed -i "\#$line_pattern#d" $ld_so_conf
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echo "$addline" >> $ld_so_conf
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mkdir -p $addline
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for i in $(seq 1 3); do
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shift
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done
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for file in "$@"; do
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[[ -e $file ]] && install -D -Z $file "$addline/$(basename $file)"
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done
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/sbin/ldconfig
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}
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# Execute this on sle-micro to move the new libraries to the current snapshot.
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do_removelibs()
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{
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if test -e /.buildenv; then
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echo "Skipping move libs in buildroot"
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return 0
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fi
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local ld_so_conf="/var/livepatches/ld.so.conf"
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local addline="/var/livepatches/$PACKAGE/$VER/libs"
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local line_pattern="/var/livepatches/$PACKAGE/.*/libs"
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# Remove the line of ld.so.conf
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[[ -e $ld_so_conf ]] && sed -i "\#$line_pattern#d" $ld_so_conf
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# Update ldconfig cache.
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/sbin/ldconfig
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# Delete copied libs.
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rm -rf $addline
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}
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# Parse first argument (install or remove).
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cmd=$1
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PACKAGE=$2
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VER=$3
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TARGET_LIB=$4
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NUM_PACKAGES=${5-0}
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case "$cmd" in
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install|remove|movelibs|removelibs)
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do_$cmd "$@"
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exit
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;;
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*)
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echo "$USAGE" >&2
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exit 1
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esac
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