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bug 3776: post install script hung when deploy rhels5.9

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This commit is contained in:
xq2005 2013-09-16 01:48:57 -07:00
parent a731c4f20b
commit 69d3902280
1 changed files with 8 additions and 6 deletions
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14
xCAT/postscripts/xcatflowrequest
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@ -5,21 +5,22 @@
# It is called by xcatdsklspost before calling getpostscripts.awk
# it is called by remoteshell before calling getcredentials.awk
#
exec 13<>/dev/udp/$1/$2
echo "resourcerequest: xcatd" >&13
exec {REMOTEFD}<>/dev/udp/$1/$2
echo "resourcerequest: xcatd" >&$REMOTEFD
parpid=$$
touch /tmp/goahead.$parpid
touch /tmp/killme.$parpid
exec 2> /dev/null
while ! grep 'resourcerequest: ok' /tmp/goahead.$parpid > /dev/null; do
(
echo "resourcerequest: xcatd" >&13
exec 14<>/proc/self/stat
read mystat<&14
echo "resourcerequest: xcatd" >&$REMOTEFD
exec {LOCALFD}<>/proc/self/stat
read mystat<&$LOCALFD
mypid=$(echo $mystat|cut -d " " -f 4)
(sleep $(((RANDOM%60)+120)).$((RANDOM%50)); if [ -f /tmp/killme.$parpid ]; then kill -TERM $mypid; fi) &
echo $! > /tmp/sleeperpid.$parpid
exec awk '{print $0 > "/tmp/goahead.'$parpid'";exit}' <&13
exec awk '{print $0 > "/tmp/goahead.'$parpid'";exit}' <&$REMOTEFD
exec {LOCALFD}>&-
)
done
sleeper=$(cat /tmp/sleeperpid.$parpid)
@ -27,4 +28,5 @@ sleeper=$(ps -ef|awk "\$3==$sleeper"|awk '{print $2}')
rm /tmp/goahead.$parpid
rm /tmp/sleeperpid.$parpid
rm /tmp/killme.$parpid
exec {REMOTEFD}>&-
kill -TERM $sleeper