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#!/bin/sh
# event script to integrate with gpfs cnfs
[ -n "$CTDB_BASE" ] || \
export CTDB_BASE=$(cd -P $(dirname "$0") ; dirname "$PWD")
. $CTDB_BASE/functions
loadconfig
ctdb_setup_service_state_dir "gpfs"
check_if_healthy() {
mkdir -p "$service_state_dir/fs"
[ -f "$service_state_dir/gpfsnoquorum" ] && {
logger No GPFS quorum. Node is UNHEALTHY
$CTDB_BASE/events.d/62.cnfs unhealthy "No GPFS quorum. Nodfe is UNHEALTHY."
exit 0
}
logger All required GPFS resources are available. CNFS part is healthy.
$CTDB_BASE/events.d/62.cnfs healthy
}
case "$1" in
startup)
check_if_healthy
;;
gpfsquorumreached)
rm -f "$service_state_dir/gpfsnoquorum"
logger "GPFS quorum has been reached."
check_if_healthy
;;
gpfsquorumloss)
touch "$service_state_dir/gpfsnoquorum"
logger "GPFS quorum has been lost."
$CTDB_BASE/events.d/62.cnfs unhealthy "GPFS quorum was lost! Marking node as UNHEALTHY."
;;
unhealthy)
# Mark the node as UNHEALTHY which means all public addresses
# will be migrated off the node.
shift
echo "$*" | ctdb_setstatus unhealthy -
# force a monitor event so we pick up immediately that this script
# will now fail and make the node unhealthy.
ctdb eventscript monitor
# Wait until we no longer serve any ip addresses at all
PNN=`ctdb pnn | cut -d: -f2`
while `ctdb -Y ip | cut -d: -f3 | egrep "^$PNN$" >/dev/null`; do
sleep 1
done
;;
healthy)
# mark the node as healthy
ctdb_setstatus healthy
;;
monitor)
ctdb_checkstatus
exit $?
;;
*)
ctdb_standard_event_handler "$@"
;;
esac
exit 0
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