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events: splitout a monitor_interfaces function in 10.interface

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metze

(This used to be ctdb commit b5ba56dea57db97d6c6ba3e7582e74fe0e3041fc)
This commit is contained in:
Stefan Metzmacher 2009-12-14 11:59:45 +01:00
parent 5fa6a51388
commit 9c89dd9210
1 changed files with 64 additions and 45 deletions
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109
ctdb/config/events.d/10.interface
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@ -17,6 +17,65 @@ loadconfig
exit 0
}
monitor_interfaces()
{
local INTERFACES=`cat $CTDB_PUBLIC_ADDRESSES |
sed -e "s/^[^\t ]*[\t ]*//" -e "s/,/ /g" -e "s/[\t ]*$//"`
[ "$CTDB_PUBLIC_INTERFACE" ] && INTERFACES="$CTDB_PUBLIC_INTERFACE $INTERFACES"
[ "$CTDB_NATGW_PUBLIC_IFACE" ] && INTERFACES="$CTDB_NATGW_PUBLIC_IFACE $INTERFACES"
local IFACE
INTERFACES=`for IFACE in $INTERFACES ; do echo $IFACE ; done | sort | uniq`
local fail=0
for IFACE in $INTERFACES ; do
# These interfaces are sometimes bond devices
# When we use VLANs for bond interfaces, there will only
# be an entry in /proc for the underlying real interface
local REALIFACE=`echo $IFACE |sed -e 's/\..*$//'`
[ -f /proc/net/bonding/$REALIFACE ] && {
grep -q 'Currently Active Slave: None' /proc/net/bonding/$REALIFACE && {
echo "ERROR: No active slaves for bond device $REALIFACE"
fail=1
continue;
}
grep -q '^MII Status: up' /proc/net/bonding/$REALIFACE || {
echo "ERROR: public network interface $REALIFACE is down"
fail=1
continue;
}
return 0;
}
case $IFACE in
ib*)
# we dont know how to test ib links
;;
*)
[ -z "$IFACE" ] || {
/usr/sbin/ethtool $IFACE | grep -q 'Link detected: yes' || {
# On some systems, this is not successful when a
# cable is plugged but the interface has not been
# brought up previously. Bring the interface up and
# try again...
/sbin/ip link set $IFACE up
/usr/sbin/ethtool $IFACE | grep -q 'Link detected: yes' || {
echo "ERROR: No link on the public network interface $IFACE"
fail=1
continue
}
}
}
;;
esac
done
return $fail;
}
case "$1" in
#############################
# called when ctdbd starts up
@ -112,52 +171,12 @@ case "$1" in
;;
monitor)
INTERFACES=`cat $CTDB_PUBLIC_ADDRESSES |
sed -e "s/^[^\t ]*[\t ]*//" -e "s/,/ /g" -e "s/[\t ]*$//"`
monitor_interfaces
ret=$?
[ "$CTDB_PUBLIC_INTERFACE" ] && INTERFACES="$CTDB_PUBLIC_INTERFACE $INTERFACES"
[ "$CTDB_NATGW_PUBLIC_IFACE" ] && INTERFACES="$CTDB_NATGW_PUBLIC_IFACE $INTERFACES"
INTERFACES=`for IFACE in $INTERFACES ; do echo $IFACE ; done | sort | uniq`
for IFACE in $INTERFACES ; do
# These interfaces are sometimes bond devices
# When we use VLANs for bond interfaces, there will only
# be an entry in /proc for the underlying real interface
REALIFACE=`echo $IFACE |sed -e 's/\..*$//'`
[ -f /proc/net/bonding/$REALIFACE ] && {
grep -q 'Currently Active Slave: None' /proc/net/bonding/$REALIFACE && {
echo "ERROR: No active slaves for bond device $REALIFACE"
exit 1
}
grep -q '^MII Status: up' /proc/net/bonding/$REALIFACE || {
echo "ERROR: public network interface $REALIFACE is down"
exit 1
}
exit 0;
}
case $IFACE in
ib*)
# we dont know how to test ib links
;;
*)
[ -z "$IFACE" ] || {
/usr/sbin/ethtool $IFACE | grep -q 'Link detected: yes' || {
# On some systems, this is not successful when a
# cable is plugged but the interface has not been
# brought up previously. Bring the interface up and
# try again...
/sbin/ip link set $IFACE up
/usr/sbin/ethtool $IFACE | grep -q 'Link detected: yes' || {
echo "ERROR: No link on the public network interface $IFACE"
exit 1
}
}
}
;;
esac
done
test x"$ret" != x"0" && {
exit 1;
}
;;
*)
ctdb_standard_event_handler "$@"