QubesOS/qubes-linux-template-builder
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Create template with plain root.img without partitions (#118)

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Additionaly provide clean-volatile.img
This commit is contained in:
Marek Marczykowski 2011-03-18 22:30:23 -04:00 committed by Joanna Rutkowska
parent 946012e091
commit 7054456eb7
11 changed files with 22 additions and 20 deletions
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clean_images/clean-starter.img.tar
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clean_images/clean-volatile.img.tar Normal file
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2
cleanup_image
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@ -13,7 +13,7 @@ if ! [ -f $IMG ]; then
exit 1
fi
ls -als $IMG
mount -o loop,offset=$((63*512)) $IMG mnt || exit 1
mount -o loop $IMG mnt || exit 1
INSTALLDIR=`pwd`/mnt/
yum clean packages --installroot=$INSTALLDIR
dd if=/dev/zero of=mnt/fillme bs=1M

11
fedorize_image
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@ -11,17 +11,18 @@ fi
if [ -f $IMG ]; then
echo "-> Image file already exists, assuming *update*..."
mount -o loop,offset=$((63*512)) $IMG mnt || exit 1
mount -o loop $IMG mnt || exit 1
INSTALLDIR=`pwd`/mnt/
else
echo "-> Initializing empty image with part table and filesystems..."
tar kOxf clean_images/clean-starter.img.tar > $IMG
echo "-> Initializing empty image..."
truncate -s 10G $IMG || exit 1
touch $IMG || exit 1
echo "-> Creating filesystem..."
mkfs.ext4 -F $IMG || exit 1
mkdir -p mnt
mount -o loop,offset=$((63*512)) $IMG mnt || exit 1
mount -o loop $IMG mnt || exit 1
INSTALLDIR=`pwd`/mnt/

2
qubeize_image
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@ -33,7 +33,7 @@ cp $CLEANIMG $IMG || exit 1
echo "--> Mouting $IMG"
mkdir -p mnt
mount -o loop,offset=$((63*512)) $IMG mnt || exit 1
mount -o loop $IMG mnt || exit 1
echo "--> Installing RPMs..."
rpm --force --root=$(pwd)/mnt -ihv rpms_to_install/*

7
templates.spec
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@ -40,6 +40,8 @@ for i in qubeized_images/root.img.part.* ; do ln $i $RPM_BUILD_ROOT/%{dest_dir}/
touch $RPM_BUILD_ROOT/%{dest_dir}/root.img # we will create the real file in %post
touch $RPM_BUILD_ROOT/%{dest_dir}/private.img # we will create the real file in %post
cp clean_images/clean-volatile.img.tar $RPM_BUILD_ROOT/%{dest_dir}/clean-volatile.img.tar
cp vm_conf_files/appvm-template.conf $RPM_BUILD_ROOT/%{dest_dir}/appvm-template.conf
cp vm_conf_files/netvm-template.conf $RPM_BUILD_ROOT/%{dest_dir}/netvm-template.conf
cp vm_conf_files/templatevm.conf $RPM_BUILD_ROOT/%{dest_dir}/templatevm.conf
@ -78,6 +80,9 @@ mv %{dest_dir}/%{template_name}-root.img %{dest_dir}/root.img
chown root.qubes %{dest_dir}/root.img
chmod 0660 %{dest_dir}/root.img
echo "--> Processing the clean-volatile.img..."
tar --sparse -xf {dest_dir}/clean-volatile.img.tar -C %{dest_dir}
if [ "$1" = 1 ] ; then
# installing for the first time
echo "--> Creating private.img..."
@ -126,6 +131,8 @@ rm -rf $RPM_BUILD_ROOT
%dir %{dest_dir}
%ghost %{dest_dir}/root.img
%{dest_dir}/root.img.part.*
%ghost %{dest_dir}/clean-volatile.img
%{dest_dir}/clean-volatile.img.tar
%ghost %{dest_dir}/private.img
%{dest_dir}/appvm-template.conf
%{dest_dir}/netvm-template.conf

3
vm_conf_files/appvm-template.conf
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@ -12,8 +12,7 @@ name = "%VMNAME%"
disk = [ 'snapshot:%TEMPLATEDIR%/root.img:%TEMPLATEDIR%/root-cow.img,xvda,r',
'file:%VMDIR%/private.img,xvdb,w',
'file:%VMDIR%/root-cow.img,xvdc,w',
'file:%VMDIR%/swap-cow.img,xvdd,w'
'file:%VMDIR%/volatile.img,xvdc,w',
]
vcpus = %VCPUS%

3
vm_conf_files/netvm-template.conf
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@ -14,8 +14,7 @@ pci = [ %PCIDEVS% ]
disk = [ 'snapshot:%TEMPLATEDIR%/root.img:%TEMPLATEDIR%/root-cow.img,xvda,r',
'file:%VMDIR%/private.img,xvdb,w',
'file:%VMDIR%/root-cow.img,xvdc,w',
'file:%VMDIR%/swap-cow.img,xvdd,w'
'file:%VMDIR%/volatile.img,xvdc,w',
]
vcpus = %VCPUS%

1
vm_conf_files/standalone-template.conf
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@ -12,6 +12,7 @@ name = "%VMNAME%"
disk = [ 'file:%VMDIR%/root.img,xvda,w',
'file:%VMDIR%/private.img,xvdb,w'
'file:%VMDIR%/volatile.img,xvdc,w'
]
vcpus = %VCPUS%

1
vm_conf_files/templatevm.conf
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@ -12,6 +12,7 @@ name = "%TEMPLATENAME%"
disk = [ 'origin:/var/lib/qubes/vm-templates/%TEMPLATENAME%/root.img:/var/lib/qubes/vm-templates/%TEMPLATENAME%/root-cow.img,xvda,w',
'file:/var/lib/qubes/vm-templates/%TEMPLATENAME%/private.img,xvdb,w',
'file:/var/lib/qubes/vm-templates/%TEMPLATENAME%/volatile.img,xvdc,w',
]
vcpus = 1

12
vm_initramfs_patches/qubes_cow_setup.sh
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@ -13,25 +13,19 @@ modprobe xenblk || modprobe xen-blkfront || echo "Qubes: Cannot load Xen Block F
echo "Waiting for /dev/xvda* devices..."
while ! [ -e /dev/xvda ]; do sleep 0.1; done
while ! [ -e /dev/xvda1 ] ; do sleep 0.1; done
while ! [ -e /dev/xvda2 ] ; do sleep 0.1; done
if [ `blockdev --getro /dev/xvda` = 1 ] ; then
echo "Qubes: Doing COW setup for AppVM..."
while ! [ -e /dev/xvdc ]; do sleep 0.1; done
while ! [ -e /dev/xvdd ]; do sleep 0.1; done
while ! [ -e /dev/xvdc2 ]; do sleep 0.1; done
echo "0 `blockdev --getsz /dev/xvda1` snapshot /dev/xvda1 /dev/xvdc P 16" | \
echo "0 `blockdev --getsz /dev/xvda` snapshot /dev/xvda /dev/xvdc2 P 16" | \
dmsetup create dmroot || { echo "Qubes: FATAL: cannot create dmroot!"; }
echo "0 `blockdev --getsz /dev/xvda2` snapshot /dev/xvda2 /dev/xvdd P 16" | \
dmsetup create dmswap || { echo "Qubes: FATAL: cannot create dmswap!"; }
echo Qubes: done.
else
echo "Qubes: Doing R/W setup for TemplateVM..."
echo "0 `blockdev --getsz /dev/xvda1` linear /dev/xvda1 0" | \
echo "0 `blockdev --getsz /dev/xvda` linear /dev/xvda 0" | \
dmsetup create dmroot || { echo "Qubes: FATAL: cannot create dmroot!"; exit 1; }
echo "0 `blockdev --getsz /dev/xvda2` linear /dev/xvda2 0" | \
dmsetup create dmswap || { echo "Qubes: FATAL: cannot create dmswap!"; exit 1; }
echo Qubes: done.
fi