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Code Issues Releases Wiki Activity

Use overlay mount type for squashfs diskless images

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This commit is contained in:
Mark Gurevich
2020-04-22 16:03:29 -04:00
parent 81200d602a
commit a002157251
6 changed files with 89 additions and 29 deletions
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20
xCAT-server/share/xcat/netboot/fedora/dracut_009/xcatroot
View File

@@ -52,11 +52,21 @@ if [ -r /rootimg.sfs ]; then
mkdir -p /rw
mount -t squashfs /rootimg.sfs /ro
mount -t tmpfs rw /rw
mount -t aufs -o dirs=/rw:/ro mergedroot $NEWROOT
mkdir -p $NEWROOT/ro
mkdir -p $NEWROOT/rw
mount --move /ro $NEWROOT/ro
mount --move /rw $NEWROOT/rw
modinfo overlay
if [ $? -eq 0 ]; then
echo "Mounting $NEWROOT with type overlay"
mkdir -p /rw/upper
mkdir -p /rw/work
modprobe overlay
mount -t overlay -o lowerdir=/ro,upperdir=/rw/upper,workdir=/rw/work mergedroot $NEWROOT
else
echo "Mounting $NEWROOT with type aufs"
mount -t aufs -o dirs=/rw:/ro mergedroot $NEWROOT
mkdir -p $NEWROOT/ro
mkdir -p $NEWROOT/rw
mount --move /ro $NEWROOT/ro
mount --move /rw $NEWROOT/rw
fi
elif [ -r /rootimg.gz ]; then
echo Setting up RAM-root tmpfs.
if [ -z $rootlimit ];then

20
xCAT-server/share/xcat/netboot/rh/dracut/xcatroot
View File

@@ -62,11 +62,21 @@ if [ -r /rootimg.sfs ]; then
mkdir -p /rw
mount -t squashfs /rootimg.sfs /ro
mount -t tmpfs rw /rw
mount -t aufs -o dirs=/rw:/ro mergedroot $NEWROOT
mkdir -p $NEWROOT/ro
mkdir -p $NEWROOT/rw
mount --move /ro $NEWROOT/ro
mount --move /rw $NEWROOT/rw
modinfo overlay
if [ $? -eq 0 ]; then
echo "Mounting $NEWROOT with type overlay"
mkdir -p /rw/upper
mkdir -p /rw/work
modprobe overlay
mount -t overlay -o lowerdir=/ro,upperdir=/rw/upper,workdir=/rw/work mergedroot $NEWROOT
else
echo "Mounting $NEWROOT with type aufs"
mount -t aufs -o dirs=/rw:/ro mergedroot $NEWROOT
mkdir -p $NEWROOT/ro
mkdir -p $NEWROOT/rw
mount --move /ro $NEWROOT/ro
mount --move /rw $NEWROOT/rw
fi
elif [ -r /rootimg.cpio.gz ] || [ -r /rootimg.cpio.xz ]; then
[ "$xcatdebugmode" > "0" ] && logger -t xcat -p debug "rootimg downloaded,setting up RAM-root tmpfs...."
echo Setting up RAM-root tmpfs.

20
xCAT-server/share/xcat/netboot/rh/dracut_033/xcatroot
View File

@@ -69,11 +69,21 @@ if [ -r /rootimg.sfs ]; then
mkdir -p /rw
mount -t squashfs /rootimg.sfs /ro
mount -t tmpfs rw /rw
mount -t aufs -o dirs=/rw:/ro mergedroot $NEWROOT
mkdir -p $NEWROOT/ro
mkdir -p $NEWROOT/rw
mount --move /ro $NEWROOT/ro
mount --move /rw $NEWROOT/rw
modinfo overlay
if [ $? -eq 0 ]; then
echo "Mounting $NEWROOT with type overlay"
mkdir -p /rw/upper
mkdir -p /rw/work
modprobe overlay
mount -t overlay -o lowerdir=/ro,upperdir=/rw/upper,workdir=/rw/work mergedroot $NEWROOT
else
echo "Mounting $NEWROOT with type aufs"
mount -t aufs -o dirs=/rw:/ro mergedroot $NEWROOT
mkdir -p $NEWROOT/ro
mkdir -p $NEWROOT/rw
mount --move /ro $NEWROOT/ro
mount --move /rw $NEWROOT/rw
fi
elif [ -r /rootimg.cpio.gz ] || [ -r /rootimg.cpio.xz ]; then
logger $SYSLOGHOST -t $log_label -p local4.info "Setting up RAM-root tmpfs on downloaded rootimg.cpio.[gz/xz]..."
echo Setting up RAM-root tmpfs.

20
xCAT-server/share/xcat/netboot/rh/dracut_047/xcatroot
View File

@@ -69,11 +69,21 @@ if [ -r /rootimg.sfs ]; then
mkdir -p /rw
mount -t squashfs /rootimg.sfs /ro
mount -t tmpfs rw /rw
mount -t aufs -o dirs=/rw:/ro mergedroot $NEWROOT
mkdir -p $NEWROOT/ro
mkdir -p $NEWROOT/rw
mount --move /ro $NEWROOT/ro
mount --move /rw $NEWROOT/rw
modinfo overlay
if [ $? -eq 0 ]; then
echo "Mounting $NEWROOT with type overlay"
mkdir -p /rw/upper
mkdir -p /rw/work
modprobe overlay
mount -t overlay -o lowerdir=/ro,upperdir=/rw/upper,workdir=/rw/work mergedroot $NEWROOT
else
echo "Mounting $NEWROOT with type aufs"
mount -t aufs -o dirs=/rw:/ro mergedroot $NEWROOT
mkdir -p $NEWROOT/ro
mkdir -p $NEWROOT/rw
mount --move /ro $NEWROOT/ro
mount --move /rw $NEWROOT/rw
fi
elif [ -r /rootimg.cpio.gz ] || [ -r /rootimg.cpio.xz ]; then
logger $SYSLOGHOST -t $log_label -p local4.info "Setting up RAM-root tmpfs on downloaded rootimg.cpio.[gz/xz]..."
echo Setting up RAM-root tmpfs.

18
xCAT-server/share/xcat/netboot/sles/dracut_033/xcatroot
View File

@@ -66,10 +66,20 @@ if [ -r /rootimg.sfs ]; then
mount -t squashfs /rootimg.sfs /ro
mount -t tmpfs rw /rw
mount -t aufs -o dirs=/rw:/ro mergedroot $NEWROOT
mkdir -p $NEWROOT/ro
mkdir -p $NEWROOT/rw
mount --move /ro $NEWROOT/ro
mount --move /rw $NEWROOT/rw
modinfo overlay
if [ $? -eq 0 ]; then
echo "Mounting $NEWROOT with type overlay"
mkdir -p /rw/upper
mkdir -p /rw/work
modprobe overlay
mount -t overlay -o lowerdir=/ro,upperdir=/rw/upper,workdir=/rw/work mergedroot $NEWROOT
else
echo "Mounting $NEWROOT with type aufs"
mkdir -p $NEWROOT/ro
mkdir -p $NEWROOT/rw
mount --move /ro $NEWROOT/ro
mount --move /rw $NEWROOT/rw
fi
elif [ -r /rootimg.cpio.gz ] || [ -r /rootimg.cpio.xz ]; then
logger $SYSLOGHOST -t $log_label -p local4.info "Setting up RAM-root tmpfs on downloaded rootimg.cpio.[gz/xz]..."
echo Setting up RAM-root tmpfs.

20
xCAT-server/share/xcat/netboot/ubuntu/dracut/xcatroot
View File

@@ -34,11 +34,21 @@ if [ -r /rootimg.sfs ]; then
mkdir -p /rw
mount -t squashfs /rootimg.sfs /ro
mount -t tmpfs rw /rw
mount -t aufs -o dirs=/rw:/ro mergedroot $NEWROOT
mkdir -p $NEWROOT/ro
mkdir -p $NEWROOT/rw
mount --move /ro $NEWROOT/ro
mount --move /rw $NEWROOT/rw
modinfo overlay
if [ $? -eq 0 ]; then
echo "Mounting $NEWROOT with type overlay"
mkdir -p /rw/upper
mkdir -p /rw/work
modprobe overlay
mount -t overlay -o lowerdir=/ro,upperdir=/rw/upper,workdir=/rw/work mergedroot $NEWROOT
else
echo "Mounting $NEWROOT with type aufs"
mount -t aufs -o dirs=/rw:/ro mergedroot $NEWROOT
mkdir -p $NEWROOT/ro
mkdir -p $NEWROOT/rw
mount --move /ro $NEWROOT/ro
mount --move /rw $NEWROOT/rw
fi
elif [ -r /rootimg.cpio.gz ] || [ -r /rootimg.cpio.xz ]; then
echo Setting up RAM-root tmpfs.
mount -t tmpfs -o mode=755 rootfs $NEWROOT