File 0003-Add-new-wicked-functions-from-suse-to-manage-bonding.patch of Package powerpc-utils
From df3577154f55a542613779596d26369e7a0d74b8 Mon Sep 17 00:00:00 2001
From: Mingming Cao <mmc@linux.vnet.ibm.com>
Date: Wed, 16 Feb 2022 00:16:52 -0800
Subject: [PATCH 3/6] Add new wicked functions from suse to manage bonding
suse specific hcnmgr utilities to manipulate suse ifcfg files
as supported by yast2 network.
Signed-off-by: Marius Tomaschewski <mt@suse.com>
---
scripts/functions.suse | 386 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 386 insertions(+)
create mode 100644 scripts/functions.suse
diff --git a/scripts/functions.suse b/scripts/functions.suse
new file mode 100644
index 0000000..06696dd
--- /dev/null
+++ b/scripts/functions.suse
@@ -0,0 +1,386 @@
+#! /bin/bash
+# ^^^^^^^^^
+#
+# Copyright (c) 2022 SUSE LLC
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
+#
+# Authors:
+# Marius Tomaschewski <mt@suse.com>
+#
+# Bash function library for hcnmgr providing utilities to manipulate
+# suse ifcfg config files as supported by yast2 network and wicked.
+#
+###
+
+suse_ifcfg_config_dir="/etc/sysconfig/network"
+
+suse_wlist_find()
+{
+ local item want="$1" ; shift
+ for item in "$@" ; do
+ [ X"$want" = X"$item" ] && return 0
+ done
+ return 1
+}
+suse_wlist_uniq()
+{
+ local item list=()
+ for item in "$@" ; do
+ suse_wlist_find "$item" "${list[@]}" && continue
+ list+=("$item")
+ done
+ echo "${list[@]}"
+}
+suse_ifcfg_unquote()
+{
+ # Ifcfg variables contain sh compatible/sourceable key=values,
+ # but without the full quote and (variable) expansion magic
+ # and the values aren't/don't need to be evaluated by a shell.
+ # Values can contain a space-separated world list, like e.g.:
+ # "arp_interval arp_ip_target=1.2.3.4,1.2.3.5"
+ # They need quotes, but no nested "foo \"bar baz\"" or escapes
+ # are considered. A value like ' \o/ ' (e.g. a wireless essid)
+ # needs single quotes...
+ local val="$1"
+ case $val in
+ "'"*) val="${val#"'"}" ; val="${val%"'"*}" ; echo "$val" ;;
+ "\""*) val="${val#\"}" ; val="${val%\"*}" ; echo "$val" ;;
+ [[:alpha:]]*) echo "${val%%[[:space:]#]*}" ;;
+ esac
+}
+
+suse_ifcfg_file_name()
+{
+ [ X"$1" != X ] && echo "${suse_ifcfg_config_dir}/ifcfg-${1}"
+}
+suse_ifcfg_file_exists()
+{
+ local file=$(suse_ifcfg_file_name "$1")
+ [ X"$file" != X -a -f "$file" ] && echo "$file"
+}
+suse_ifcfg_file_delete()
+{
+ local file=$(suse_ifcfg_file_name "$1")
+ [ X"$file" != X ] && rm -f -- "$file"
+}
+suse_ifcfg_file_mktemp()
+{
+ local temp="${suse_ifcfg_config_dir}/.ifcfg-${1}.XXXXXX"
+ [ X"$1" != X -a X"$temp" != X ] && mktemp -q -- "$temp" 2>/dev/null
+}
+suse_ifcfg_grep()
+{
+ LANG=C LC_ALL=C grep --no-filename -E "$@"
+}
+
+suse_ifcfg_is_bond_master()
+{
+ local bond="$1"
+ local file=$(suse_ifcfg_file_name "$bond")
+ local line key val=""
+ local BONDING_MASTER="no"
+
+ [ X"$file" != X ] || return 1
+ while read line ; do
+ key="${line%%=*}"
+ val=$(suse_ifcfg_unquote "${line#${key}=}")
+ case $val in
+ yes|YES) BONDING_MASTER="yes" ;;
+ *) BONDING_MASTER="no" ;;
+ esac
+ done < <(suse_ifcfg_grep -e '^[ \t]*BONDING_MASTER=' -- \
+ "$file" 2>/dev/null)
+
+ [ X"$BONDING_MASTER" = X"yes" ]
+}
+
+suse_ifcfg_bond_master_template()
+{
+ local slaves=($(suse_wlist_uniq $1))
+ local options=($2)
+ local num=0
+
+ if [ X"${options[*]}" = X ] ; then
+ # default options as used by the hcnmgr
+ options=(mode=active-backup miimon=100 fail_over_mac=follow)
+ fi
+
+ echo "STARTMODE='auto'"
+ echo "BOOTPROTO='none'"
+
+ echo "BONDING_MASTER='yes'"
+ echo "BONDING_MODULE_OPTS='${options[*]}'"
+ for slave in "${slaves[@]}" ; do
+ ((num++))
+ echo "BONDING_SLAVE_${num}='$slave'"
+ done
+}
+
+suse_ifcfg_bond_get_options()
+{
+ local bond="$1"
+ local file=$(suse_ifcfg_file_exists "$bond")
+ local line key val=""
+
+ [ X"$file" != X ] || return 1
+ while read line ; do
+ key="${line%%=*}"
+ if [ X"$key" != X ] ; then
+ val=$(suse_ifcfg_unquote "${line#${key}=}")
+ fi
+ done < <(suse_ifcfg_grep -e '^[ \t]*BONDING_MODULE_OPTS=' -- \
+ "$file" 2>/dev/null)
+ echo "$val"
+}
+
+suse_ifcfg_bond_set_options()
+{
+ local bond="$1"
+ local options="$2"
+ local file=$(suse_ifcfg_file_exists "$bond")
+ [ X"$file" != X -a X"$options" != X ] || return 1
+
+ local temp=$(suse_ifcfg_file_mktemp "$bond")
+ [ X"$temp" != X ] || return 1
+
+ if suse_ifcfg_grep -v -e '^[ \t]*BONDING_MODULE_OPTS=' -- \
+ "$file" >> "$temp" 2>/dev/null ; then
+
+ echo "BONDING_MODULE_OPTS='$options'" >>"$temp"
+
+ mv -f -- "$temp" "$file" && return 0
+ fi
+ rm -f -- "$temp"
+ return 1
+}
+
+suse_ifcfg_bond_get_primary()
+{
+ local bond="$1"
+ local file=$(suse_ifcfg_file_exists "$bond")
+ [ X"$file" != X ] || return 1
+
+ local options=($(suse_ifcfg_bond_get_options "$bond"))
+ local opt primary=""
+ for opt in "${options[@]}" ; do
+ case $opt in
+ primary=*)
+ primary="${opt#*=}"
+ ;;
+ esac
+ done
+ [ X"$primary" != X ] && echo "$primary"
+}
+
+suse_ifcfg_bond_set_primary()
+{
+ local bond="$1"
+ local primary="$2"
+
+ local file=$(suse_ifcfg_file_name "$bond")
+ [ X"$file" != X ] || return 1
+
+ local options=($(suse_ifcfg_bond_get_options "$bond"))
+ local opt opts=()
+ for opt in "${options[@]}" ; do
+ case $opt in
+ primary=*) ;;
+ *) opts+=("$opt") ;;
+ esac
+ done
+ if [ X"$primary" != X ] ; then
+ opts+=("primary=$primary")
+ fi
+ suse_ifcfg_bond_set_options "$bond" "${opts[*]}"
+}
+
+suse_ifcfg_bond_get_slaves()
+{
+ local bond="$1"
+ local file=$(suse_ifcfg_file_name "$bond")
+ local line var key val="" ${!BONDING_SLAVE*}
+
+ [ X"$file" != X ] || return 1
+ unset ${!BONDING_SLAVE*}
+ while read -r line ; do
+ key="${line%%=*}"
+ val=$(suse_ifcfg_unquote "${line#${key}=}")
+ eval local "${key}='${val}'"
+ done < <(suse_ifcfg_grep -e '^[ \t]*BONDING_SLAVE[[:alnum:]_]*=' -- \
+ "$file" 2>/dev/null)
+ for var in ${!BONDING_SLAVE*} ; do
+ [ X"${!var}" != X ] && echo "${!var}"
+ done
+}
+
+suse_ifcfg_bond_add_slave()
+{
+ local bond="$1"
+ local nslave="$2"
+ local file=$(suse_ifcfg_file_name "$bond")
+ [ X"$nslave" != X -a X"$file" != X ] || return 1
+
+ local oslaves=($(suse_ifcfg_bond_get_slaves "$bond"))
+ suse_wlist_find "$nslave" "${oslaves[@]}" && return 0
+ local nslaves=("${oslaves[@]}" "$nslave")
+ local slave num=0
+
+ local temp=$(suse_ifcfg_file_mktemp "$bond")
+ [ X"$temp" != X ] || return 1
+
+ if suse_ifcfg_grep -v -e '^[ \t]*BONDING_SLAVE[[:alnum:]_]*=' -- \
+ "$file" >> "$temp" 2>/dev/null ; then
+
+ for slave in "${nslaves[@]}" ; do
+ ((num++))
+ echo "BONDING_SLAVE_${num}='$slave'"
+ done >> "$temp" 2>/dev/null
+
+ mv -f -- "$temp" "$file" && return 0
+ fi
+ rm -f -- "$temp"
+ return 1
+}
+
+suse_ifcfg_bond_del_slave()
+{
+ local bond="$1"
+ local oslave="$2"
+ local file=$(suse_ifcfg_file_exists "$bond")
+ [ X"$oslave" != X -a X"$file" != X ] || return 1
+
+ local oslaves=($(suse_ifcfg_bond_get_slaves "$bond"))
+ local slave num=0 nslaves=()
+ for slave in "${oslaves[@]}" ; do
+ if [ X"$slave" != X"$oslave" ] ; then
+ nslaves+=("${slave}")
+ else
+ suse_ifcfg_file_delete "$slave"
+ fi
+ done
+
+ local primary=$(suse_ifcfg_bond_get_primary "$bond")
+ if [ X"$primary" = X"$oslave" ] ; then
+ suse_ifcfg_bond_set_primary "$bond" ""
+ fi
+
+ local temp=$(suse_ifcfg_file_mktemp "$bond")
+ [ X"$temp" != X ] || return 1
+
+ if suse_ifcfg_grep -v -e '^[ \t]*BONDING_SLAVE[[:alnum:]_]*=' -- \
+ "$file" >> "$temp" 2>/dev/null ; then
+
+ for slave in "${nslaves[@]}" ; do
+ ((num++))
+ echo "BONDING_SLAVE_${num}='$slave'"
+ done >> "$temp" 2>/dev/null
+
+ mv -f -- "$temp" "$file" && return 0
+ fi
+ rm -f -- "$temp"
+ return 1
+}
+
+suse_ifcfg_bond_create()
+{
+ local bond="$1" ; shift
+ local file=$(suse_ifcfg_file_name "$bond")
+ local temp=$(suse_ifcfg_file_mktemp "$bond")
+
+ [ X"$temp" != X ] || return 1
+ if suse_ifcfg_bond_master_template "$@" >> "$temp" ; then
+ mv -f -- "$temp" "$file" && return 0
+ fi
+ rm -f -- "$temp"
+ return 1
+}
+
+suse_ifcfg_bond_delete()
+{
+ local bond="$1"
+ local file=$(suse_ifcfg_file_name "$bond")
+ local slaves=($(suse_ifcfg_bond_get_slaves "$bond"))
+ local slave
+
+ # delete explicit slave configs if any
+ for slave in "${slaves[@]}" ; do
+ suse_ifcfg_file_delete "$slave"
+ done
+
+ # delete the bond master config file
+ [ X"$file" != X ] && rm -f -- "$file"
+
+ # TODO: cleanup interfaces on top of the bond
+ # _if_ the hnv setup permit to use them
+ # e.g.: brX { bondX }, brN { bondX.N }
+}
+
+suse_ifcfg_bond_modify()
+{
+ local bond="$1"
+ local nslaves=($(suse_wlist_uniq $2))
+ local noptions=($3)
+
+ if ! suse_ifcfg_is_bond_master "$bond" ; then
+ suse_ifcfg_bond_create "$bond" "${nslaves[*]}" "${noptions[*]}"
+ return $?
+ fi
+
+ local temp=$(suse_ifcfg_file_mktemp "$bond")
+ [ X"$temp" != X ] || return 1
+
+ local options=($(suse_ifcfg_bond_get_options "$bond"))
+ local slaves=($(suse_ifcfg_bond_get_slaves "$bond"))
+ local file=$(suse_ifcfg_file_name "$bond")
+ local slave num=0
+ for slave in "${slaves[@]}" ; do
+ suse_wlist_find "$slave" "${nslaves[*]}" || \
+ suse_ifcfg_file_delete "$slave"
+ done
+
+ if [ X"${noptions[*]}" = X ] ; then
+ local opt primary="" noptions=""
+ for opt in "${options[@]}" ; do
+ case $opt in
+ primary=*) primary="${opt#*=}" ;;
+ *) noptions+=("$opt") ;;
+ esac
+ done
+ if [ X"${noptions[*]}" = X ] ; then
+ noptions=(mode=active-backup miimon=100 fail_over_mac=follow)
+ fi
+ if [ X"$primary" != X ] ; then
+ if suse_wlist_find "$primary" "${nslaves[*]}" ; then
+ noptions+=("primary=$primary")
+ fi
+ fi
+ fi
+
+ if suse_ifcfg_grep -v -e '^[ \t]*BONDING_[[:alnum:]_]+=' -- \
+ "$file" >> "$temp" 2>/dev/null ; then
+
+ echo "BONDING_MASTER='yes'" >> "$temp"
+ echo "BONDING_MODULE_OPTS='${noptions[*]}'" >> "$temp"
+ for slave in "${nslaves[@]}" ; do
+ ((num++))
+ echo "BONDING_SLAVE_${num}='$slave'"
+ done >> "$temp" 2>/dev/null
+
+ mv -f -- "$temp" "$file" && return 0
+ fi
+ rm -f -- "$temp"
+ return 1
+}
+
--
2.34.1
