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292 lines
10 KiB
292 lines
10 KiB
6 years ago
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From 4c88c2859e3f974b2dc3c7726409c83076df8985 Mon Sep 17 00:00:00 2001
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From: Harald Hoyer <harald@redhat.com>
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Date: Tue, 13 Jan 2015 15:06:48 +0100
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Subject: [PATCH] network: enhance team support
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Install ifcfg-* files with team configuration in the initramfs.
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Improve the slave configuration of the team interface, by looking up
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ifcfg files in the initramfs.
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Create a default loadbalance team config, if none present in the
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initramfs.
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---
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modules.d/40network/ifup.sh | 38 ++++++++++++++++++++++++++++---------
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modules.d/40network/module-setup.sh | 37 ++++++++++++++++++++++++++++++++++++
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modules.d/40network/net-genrules.sh | 9 ++++++---
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modules.d/40network/net-lib.sh | 18 ++++++++++++++++++
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modules.d/40network/parse-team.sh | 30 +++++++++++++++++++----------
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modules.d/45ifcfg/write-ifcfg.sh | 10 +++++++++-
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6 files changed, 119 insertions(+), 23 deletions(-)
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diff --git a/modules.d/40network/ifup.sh b/modules.d/40network/ifup.sh
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index 8749c4c2..7836a6b3 100755
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--- a/modules.d/40network/ifup.sh
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+++ b/modules.d/40network/ifup.sh
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@@ -34,14 +34,16 @@ for i in /tmp/bond.*.info; do
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done
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done
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-if [ -e /tmp/team.info ]; then
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- . /tmp/team.info
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+for i in /tmp/team.*.info; do
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+ [ -e "$i" ] || continue
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+ unset teamslaves
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+ unset teammaster
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for slave in $teamslaves ; do
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if [ "$netif" = "$slave" ] ; then
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netif=$teammaster
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fi
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done
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-fi
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+done
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if [ -e /tmp/vlan.info ]; then
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. /tmp/vlan.info
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@@ -205,26 +207,44 @@ if [ -e /tmp/bond.${netif}.info ]; then
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fi
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fi
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-if [ -e /tmp/team.info ]; then
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- . /tmp/team.info
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+if [ -e /tmp/team.${netif}.info ]; then
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+ . /tmp/team.${netif}.info
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if [ "$netif" = "$teammaster" ] && [ ! -e /tmp/net.$teammaster.up ] ; then
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# We shall only bring up those _can_ come up
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# in case of some slave is gone in active-backup mode
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working_slaves=""
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for slave in $teamslaves ; do
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- ip link set $slave up 2>/dev/null
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+ teamdctl ${teammaster} port present ${slave} 2>/dev/null \
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+ && continue
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+ ip link set dev $slave up 2>/dev/null
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if wait_for_if_up $slave; then
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working_slaves+="$slave "
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fi
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done
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# Do not add slaves now
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- teamd -d -U -n -t $teammaster -f /etc/teamd/$teammaster.conf
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+ teamd -d -U -n -t $teammaster -f /etc/teamd/${teammaster}.conf
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for slave in $working_slaves; do
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# team requires the slaves to be down before joining team
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- ip link set $slave down
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+ ip link set dev $slave down
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+ (
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+ unset TEAM_PORT_CONFIG
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+ _hwaddr=$(cat /sys/class/net/$slave/address)
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+ _subchannels=$(iface_get_subchannels "$slave")
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+ if [ -n "$_hwaddr" ] && [ -e "/etc/sysconfig/network-scripts/mac-${_hwaddr}.conf" ]; then
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+ . "/etc/sysconfig/network-scripts/mac-${_hwaddr}.conf"
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+ elif [ -n "$_subchannels" ] && [ -e "/etc/sysconfig/network-scripts/ccw-${_subchannels}.conf" ]; then
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+ . "/etc/sysconfig/network-scripts/ccw-${_subchannels}.conf"
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+ elif [ -e "/etc/sysconfig/network-scripts/ifcfg-${slave}" ]; then
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+ . "/etc/sysconfig/network-scripts/ifcfg-${slave}"
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+ fi
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+
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+ if [ -n "${TEAM_PORT_CONFIG}" ]; then
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+ /usr/bin/teamdctl ${teammaster} port config update ${slave} "${TEAM_PORT_CONFIG}"
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+ fi
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+ )
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teamdctl $teammaster port add $slave
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done
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- ip link set $teammaster up
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+ ip link set dev $teammaster up
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fi
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fi
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diff --git a/modules.d/40network/module-setup.sh b/modules.d/40network/module-setup.sh
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index a5e796f4..a52e881b 100755
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--- a/modules.d/40network/module-setup.sh
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+++ b/modules.d/40network/module-setup.sh
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@@ -95,6 +95,43 @@ install() {
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inst_hook cmdline 99 "$moddir/parse-ifname.sh"
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inst_hook cleanup 10 "$moddir/kill-dhclient.sh"
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+ # install all config files for teaming
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+ unset TEAM_MASTER
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+ unset TEAM_CONFIG
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+ unset TEAM_PORT_CONFIG
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+ unset HWADDR
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+ unset SUBCHANNELS
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+ for i in /etc/sysconfig/network-scripts/ifcfg-*; do
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+ [ -e "$i" ] || continue
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+ case "$i" in
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+ *~ | *.bak | *.orig | *.rpmnew | *.rpmorig | *.rpmsave)
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+ continue
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+ ;;
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+ esac
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+ (
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+ . "$i"
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+ if ! [ "${ONBOOT}" = "no" -o "${ONBOOT}" = "NO" ] \
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+ && [ -n "${TEAM_MASTER}${TEAM_CONFIG}${TEAM_PORT_CONFIG}" ]; then
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+ if [ -n "$TEAM_CONFIG" ] && [ -n "$DEVICE" ]; then
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+ mkdir -p $initdir/etc/teamd
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+ printf -- "%s" "$TEAM_CONFIG" > "$initdir/etc/teamd/${DEVICE}.conf"
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+ elif [ -n "$TEAM_PORT_CONFIG" ]; then
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+ inst_simple "$i"
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+
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+ HWADDR="$(echo $HWADDR | sed 'y/ABCDEF/abcdef/')"
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+ if [ -n "$HWADDR" ]; then
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+ ln_r "$i" "/etc/sysconfig/network-scripts/mac-${HWADDR}.conf"
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+ fi
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+
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+ SUBCHANNELS="$(echo $SUBCHANNELS | sed 'y/ABCDEF/abcdef/')"
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+ if [ -n "$SUBCHANNELS" ]; then
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+ ln_r "$i" "/etc/sysconfig/network-scripts/ccw-${SUBCHANNELS}.conf"
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+ fi
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+ fi
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+ fi
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+ )
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+ done
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+
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_arch=$(uname -m)
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inst_libdir_file {"tls/$_arch/",tls/,"$_arch/",}"libnss_dns.so.*" \
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diff --git a/modules.d/40network/net-genrules.sh b/modules.d/40network/net-genrules.sh
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index a43e3df1..3664984f 100755
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--- a/modules.d/40network/net-genrules.sh
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+++ b/modules.d/40network/net-genrules.sh
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@@ -31,11 +31,14 @@ command -v fix_bootif >/dev/null || . /lib/net-lib.sh
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MASTER_IFACES="$MASTER_IFACES ${bondname}"
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done
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- if [ -e /tmp/team.info ]; then
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- . /tmp/team.info
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+ for i in /tmp/team.*.info; do
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+ [ -e "$i" ] || continue
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+ unset teamslaves
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+ unset teammaster
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+ . "$i"
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IFACES="$IFACES ${teamslaves}"
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MASTER_IFACES="$MASTER_IFACES ${teammaster}"
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- fi
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+ done
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if [ -e /tmp/vlan.info ]; then
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. /tmp/vlan.info
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diff --git a/modules.d/40network/net-lib.sh b/modules.d/40network/net-lib.sh
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index 9c6b9dae..82827b6d 100755
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--- a/modules.d/40network/net-lib.sh
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+++ b/modules.d/40network/net-lib.sh
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@@ -643,3 +643,21 @@ is_kernel_ethernet_name() {
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esac
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}
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+
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+iface_get_subchannels() {
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+ local _netif
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+ local _subchannels
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+
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+ _netif="$1"
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+
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+ _subchannels=$({
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+ for i in /sys/class/net/$_netif/device/cdev[0-9]*; do
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+ [ -e $i ] || continue
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+ channel=$(readlink -f $i)
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+ printf -- "%s" "${channel##*/},"
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+ done
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+ })
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+ [ -n "$_subchannels" ] || return 1
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+
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+ printf -- "%s" ${_subchannels%,}
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+}
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diff --git a/modules.d/40network/parse-team.sh b/modules.d/40network/parse-team.sh
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index 318c0e1e..a836d688 100755
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--- a/modules.d/40network/parse-team.sh
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+++ b/modules.d/40network/parse-team.sh
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@@ -24,21 +24,31 @@ parseteam() {
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unset teammaster teamslaves
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case $# in
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- 2) teammaster=$1; teamslaves=$(str_replace "$2" "," " ") ;;
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- *) die "team= requires two parameters" ;;
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+ 2) teammaster=$1; teamslaves=$(str_replace "$2" "," " ") ;;
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+ *) warn "team= requires two parameters"; return 1;;
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esac
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+ return 0
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}
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unset teammaster teamslaves
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if getarg team>/dev/null; then
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# Read team= parameters if they exist
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- team="$(getarg team=)"
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- if [ ! "$team" = "team" ]; then
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- parseteam "$(getarg team=)"
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- fi
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-
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- echo "teammaster=$teammaster" > /tmp/team.info
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- echo "teamslaves=\"$teamslaves\"" >> /tmp/team.info
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- return
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+ for team in $(getargs team); do
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+ [ "$team" = "team" ] && continue
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+
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+ unset teammaster
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+ unset teamslaves
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+
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+ parseteam "$team" || continue
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+
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+ echo "teammaster=$teammaster" > /tmp/team.${teammaster}.info
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+ echo "teamslaves=\"$teamslaves\"" >> /tmp/team.${teammaster}.info
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+
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+ if ! [ -e /etc/teamd/${teammaster}.conf ]; then
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+ warn "Team master $teammaster specified, but no /etc/teamd/$teammaster.conf present. Using activebackup."
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+ mkdir -p /etc/teamd
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+ printf -- "%s" '{"runner": {"name": "activebackup"}, "link_watch": {"name": "ethtool"}}' > "/etc/teamd/${teammaster}.conf"
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+ fi
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+ done
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fi
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diff --git a/modules.d/45ifcfg/write-ifcfg.sh b/modules.d/45ifcfg/write-ifcfg.sh
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index a1bae72f..b2462dae 100755
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--- a/modules.d/45ifcfg/write-ifcfg.sh
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+++ b/modules.d/45ifcfg/write-ifcfg.sh
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@@ -128,6 +128,7 @@ for netup in /tmp/net.*.did-setup ; do
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[ -e /tmp/ifcfg/ifcfg-$netif ] && continue
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unset bridge
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unset bond
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+ unset team
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unset bondslaves
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unset bondname
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unset bondoptions
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@@ -140,10 +141,13 @@ for netup in /tmp/net.*.did-setup ; do
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unset slave
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unset ethname
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[ -e /tmp/bond.${netif}.info ] && . /tmp/bond.${netif}.info
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+ [ -e /tmp/team.${netif}.info ] && . /tmp/team.${netif}.info
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uuid=$(cat /proc/sys/kernel/random/uuid)
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if [ "$netif" = "$bridgename" ]; then
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bridge=yes
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+ elif [ "$netif" = "$teammaster" ]; then
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+ team=yes
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elif [ "$netif" = "$bondname" ]; then
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# $netif can't be bridge and bond at the same time
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bond=yes
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@@ -152,6 +156,9 @@ for netup in /tmp/net.*.did-setup ; do
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vlan=yes
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fi
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+ # skip team interfaces for now, the host config must be in sync
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+ [ "$netif" = "$teammaster" ] && continue
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+
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{
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echo "# Generated by dracut initrd"
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echo "NAME=\"$netif\""
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@@ -198,7 +205,7 @@ for netup in /tmp/net.*.did-setup ; do
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} > /tmp/ifcfg/ifcfg-$netif
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# bridge needs different things written to ifcfg
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- if [ -z "$bridge" ] && [ -z "$bond" ] && [ -z "$vlan" ]; then
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+ if [ -z "$bridge" ] && [ -z "$bond" ] && [ -z "$vlan" ] && [ -z "$team" ]; then
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# standard interface
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{
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echo "TYPE=Ethernet"
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@@ -264,6 +271,7 @@ for netup in /tmp/net.*.did-setup ; do
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) >> /tmp/ifcfg/ifcfg-$slave
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done
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fi
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+
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i=1
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for ns in $(getargs nameserver); do
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echo "DNS${i}=\"${ns}\"" >> /tmp/ifcfg/ifcfg-$netif
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