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Add multipart image support to diskless

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This commit is contained in:
Jarrod Johnson 2021-07-15 14:39:17 -04:00
parent 831b129899
commit 9458d33cc5
1 changed files with 14 additions and 1 deletions
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15
confluent_osdeploy/el8-diskless/profiles/default/scripts/imageboot.sh
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@ -7,7 +7,20 @@ else
confluent_urls="$confluent_urls https://$confluent_mgr/confluent-public/os/$confluent_profile/rootimg.sfs"
/opt/confluent/bin/urlmount $confluent_urls /mnt/remoteimg
fi
mount -o loop,ro /mnt/remoteimg/*.sfs /mnt/remote
/opt/confluent/bin/confluent_imginfo /mnt/remoteimg/rootimg.sfs > /tmp/rootimg.info
if grep '^Format: squashfs' /tmp/rootimg.info > /dev/null; then
mount -o loop,ro /mnt/remoteimg/*.sfs /mnt/remote
elif grep '^Format: confluent_multisqaush' /tmp/rootimg.info; then
loopdev=$(losetup -f)
losetup -r $loopdev /mnt/remoteimg/rootimg.sfs
tail -n +3 /tmp/rootimg.info | awk '{print 0 " " $4 " '$loopdev' " $3 " " $7}'
tail -n +3 /tmp/rootimg.info | awk '{gsub("/", "_"); print "echo 0 " $4 " linear '$loopdev' " $3 " | dmsetup create mproot" $7}' > /tmp/setupmount.sh
. /tmp/setupmount.sh
cat /tmp/setupmount.sh |awk '{printf "mount /dev/mapper/"$NF" "; sub("mproot", ""); gsub("_", "/"); print "/mnt/remote"$NF}' > /tmp/mountparts.sh
. /tmp/mountparts.sh
fi
#mount -t tmpfs overlay /mnt/overlay
modprobe zram
memtot=$(grep ^MemTotal: /proc/meminfo|awk '{print $2}')