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https://github.com/samba-team/samba.git
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Merge remote branch 'martins/eventscript.10.interface'
(This used to be ctdb commit 0d17daab38d4086f922a8006d4c545133adca191)
This commit is contained in:
Ronnie Sahlberg
commit
1fb577f4b2
@ -16,104 +16,117 @@ loadconfig
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exit 0
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}
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mark_up ()
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{
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up_interfaces_found=true
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ctdb setifacelink $1 up >/dev/null 2>&1
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}
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mark_down ()
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{
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fail=true
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ctdb setifacelink $1 down >/dev/null 2>&1
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}
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# This sets $all_interfaces as a side-effect.
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get_all_interfaces ()
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{
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# Get all the interfaces listed in the public_addresses file
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all_interfaces=$(sed -e "s/^[^\t ]*[\t ]*//" -e "s/,/ /g" -e "s/[\t ]*$//" $CTDB_PUBLIC_ADDRESSES)
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# Add some special interfaces if they're defined
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[ "$CTDB_PUBLIC_INTERFACE" ] && all_interfaces="$CTDB_PUBLIC_INTERFACE $all_interfaces"
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[ "$CTDB_NATGW_PUBLIC_IFACE" ] && all_interfaces="$CTDB_NATGW_PUBLIC_IFACE $all_interfaces"
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# For all but the 1st line, get the 2nd last field with commas
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# changes to spaces.
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ctdb_ifaces=$(ctdb -Y ip -v | sed -e '1d' -e 's/:[^:]*:$//' -e 's/^.*://' -e 's/,/ /g')
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# Add $ctdb_interfaces and uniquify
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all_interfaces=$(echo $all_interfaces $ctdb_ifaces | tr ' ' '\n' | sort -u)
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}
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monitor_interfaces()
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{
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INTERFACES=`cat $CTDB_PUBLIC_ADDRESSES |
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sed -e "s/^[^\t ]*[\t ]*//" -e "s/,/ /g" -e "s/[\t ]*$//"`
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get_all_interfaces
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[ "$CTDB_PUBLIC_INTERFACE" ] && INTERFACES="$CTDB_PUBLIC_INTERFACE $INTERFACES"
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[ "$CTDB_NATGW_PUBLIC_IFACE" ] && INTERFACES="$CTDB_NATGW_PUBLIC_IFACE $INTERFACES"
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fail=false
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up_interfaces_found=false
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for iface in $all_interfaces ; do
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# For all but the 1st line, get the 2nd last field with commas
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# changes to spaces.
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IFACES=`ctdb -Y ip -v | sed -e '1d' -e 's/:[^:]*:$//' -e 's/^.*://' -e 's/,/ /g'`
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INTERFACES=`for IFACE in $INTERFACES $IFACES ; do echo $IFACE ; done | sort | uniq`
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fail=0
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ok=0
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for IFACE in $INTERFACES ; do
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ip addr show $IFACE 2>/dev/null >/dev/null || {
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echo Interface $IFACE does not exist but it is used by public addresses.
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ip addr show $iface 2>/dev/null >/dev/null || {
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echo Interface $iface does not exist but it is used by public addresses.
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continue
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}
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# These interfaces are sometimes bond devices
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# When we use VLANs for bond interfaces, there will only
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# be an entry in /proc for the underlying real interface
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REALIFACE=`echo $IFACE |sed -e 's/\..*$//'`
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bi=$(get_proc "net/bonding/$REALIFACE" 2>/dev/null) && {
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realiface=`echo $iface |sed -e 's/\..*$//'`
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bi=$(get_proc "net/bonding/$realiface" 2>/dev/null) && {
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echo "$bi" | grep -q 'Currently Active Slave: None' && {
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echo "ERROR: No active slaves for bond device $REALIFACE"
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fail=1
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ctdb setifacelink $IFACE down >/dev/null 2>/dev/null
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continue;
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echo "ERROR: No active slaves for bond device $realiface"
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mark_down $iface
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continue
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}
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echo "$bi" | grep -q '^MII Status: up' || {
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echo "ERROR: public network interface $REALIFACE is down"
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fail=1
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ctdb setifacelink $IFACE down >/dev/null 2>/dev/null
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continue;
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echo "ERROR: public network interface $realiface is down"
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mark_down $iface
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continue
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}
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echo "$bi" | grep -q '^Bonding Mode: IEEE 802.3ad Dynamic link aggregation' && {
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# This works around a bug in the driver where the
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# overall bond status can be up but none of the actual
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# physical interfaces have a link.
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echo "$bi" | grep 'MII Status:' | tail -n +2 | grep -q '^MII Status: up' || {
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echo No active slaves for 802.ad bond device $REALIFACE
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ctdb setifacelink $IFACE down >/dev/null 2>/dev/null
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fail=1
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echo No active slaves for 802.ad bond device $realiface
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mark_down $iface
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continue
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}
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}
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ok=1 # we only set ok for interfaces known to ctdbd
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ctdb setifacelink $IFACE up >/dev/null 2>/dev/null
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continue;
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mark_up $iface
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continue
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}
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case $IFACE in
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case $iface in
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lo*)
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# loopback is always working
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ok=1 # we only set ok for interfaces known to ctdbd
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ctdb setifacelink $IFACE up >/dev/null 2>/dev/null
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mark_up $iface
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;;
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ib*)
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# we dont know how to test ib links
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ok=1 # we only set ok for interfaces known to ctdbd
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ctdb setifacelink $IFACE up >/dev/null 2>/dev/null
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mark_up $iface
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;;
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*)
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[ -z "$IFACE" ] || {
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[ "$(basename $(readlink /sys/class/net/$IFACE/device/driver) 2>/dev/null)" = virtio_net ] ||
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ethtool $IFACE | grep -q 'Link detected: yes' || {
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[ -z "$iface" ] || {
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[ "$(basename $(readlink /sys/class/net/$iface/device/driver) 2>/dev/null)" = virtio_net ] ||
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ethtool $iface | grep -q 'Link detected: yes' || {
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# On some systems, this is not successful when a
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# cable is plugged but the interface has not been
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# brought up previously. Bring the interface up and
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# try again...
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ip link set $IFACE up
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ethtool $IFACE | grep -q 'Link detected: yes' || {
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echo "ERROR: No link on the public network interface $IFACE"
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fail=1
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ctdb setifacelink $IFACE down >/dev/null 2>/dev/null
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ip link set $iface up
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ethtool $iface | grep -q 'Link detected: yes' || {
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echo "ERROR: No link on the public network interface $iface"
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mark_down $iface
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continue
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}
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}
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ok=1 # we only set ok for interfaces known to ctdbd
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ctdb setifacelink $IFACE up >/dev/null 2>/dev/null
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mark_up $iface
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}
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;;
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esac
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done
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test x"$fail" = x"0" && {
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return 0;
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}
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$fail || return 0
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test x"$ok" = x"1" && {
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return 2;
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}
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$up_interfaces_found && \
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[ "$CTDB_PARTIALLY_ONLINE_INTERFACES" = "yes" ] && \
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return 0
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return 1;
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return 1
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}
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case "$1" in
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@ -132,10 +145,9 @@ case "$1" in
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# and we start the services to become healthy
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startup)
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# Assume all links are good initially
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INTERFACES=`for IFACE in $INTERFACES ; do echo $IFACE ; done | sort | uniq`
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for IFACE in $INTERFACES ; do
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ctdb setifacelink $IFACE down >/dev/null 2>/dev/null
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get_all_interfaces
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for iface in $all_interfaces ; do
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ctdb setifacelink $iface up >/dev/null 2>/dev/null
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done
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monitor_interfaces
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@ -270,21 +282,7 @@ case "$1" in
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;;
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monitor)
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monitor_interfaces
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ret=$?
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test x"$ret" = x"2" && {
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test x"$CTDB_PARTIALLY_ONLINE_INTERFACES" != x"yes" && {
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exit 1;
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}
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# as long as we have one interface available don't become
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# unhealthy
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ret=0
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}
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test x"$ret" != x"0" && {
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exit 1;
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}
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monitor_interfaces || exit 1
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;;
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*)
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ctdb_standard_event_handler "$@"
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