|
|
|
@ -242,28 +242,46 @@ modify_vmdk_header() {
|
|
|
|
|
|
|
|
|
|
|
|
# Extract the vmdk header for manipulation
|
|
|
|
# Extract the vmdk header for manipulation
|
|
|
|
dd if="${vmdk_name}" of="${descriptor}" bs=1 skip=512 count=1024
|
|
|
|
dd if="${vmdk_name}" of="${descriptor}" bs=1 skip=512 count=1024
|
|
|
|
|
|
|
|
echo "Cat'ing original vmdk disk descriptor to console for debugging."
|
|
|
|
|
|
|
|
# cat header so we are aware of the original descriptor for debugging
|
|
|
|
|
|
|
|
cat $descriptor
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# trim null bytes to treat as standard text file
|
|
|
|
|
|
|
|
tr -d '\000' < $descriptor > $newdescriptor
|
|
|
|
|
|
|
|
|
|
|
|
# The sed lines below is where the magic is. Specifically:
|
|
|
|
|
|
|
|
# ddb.toolsVersion: sets the open-vm-tools so that VMware shows
|
|
|
|
|
|
|
|
# the tooling as current
|
|
|
|
|
|
|
|
# ddb.virtualHWVersion: set the version to 7, which covers most
|
|
|
|
|
|
|
|
# current versions of VMware
|
|
|
|
|
|
|
|
# createType: make sure its set to stream Optimized
|
|
|
|
|
|
|
|
# remove the vmdk-stream-converter comment and replace with
|
|
|
|
# remove the vmdk-stream-converter comment and replace with
|
|
|
|
# # Disk DescriptorFile. This is needed for Virtualbox
|
|
|
|
# # Disk DescriptorFile. This is needed for Virtualbox
|
|
|
|
# remove the comments from vmdk-stream-converter which causes
|
|
|
|
# remove the comments from vmdk-stream-converter which causes
|
|
|
|
# VirtualBox and others to fail VMDK validation
|
|
|
|
# VirtualBox and others to fail VMDK validation
|
|
|
|
|
|
|
|
sed -i -e 's|# Description file.*|# Disk DescriptorFile|' \
|
|
|
|
sed -e 's|# Description file.*|# Disk DescriptorFile|' \
|
|
|
|
|
|
|
|
-e '/# Believe this is random*/d' \
|
|
|
|
-e '/# Believe this is random*/d' \
|
|
|
|
-e '/# Indicates no parent/d' \
|
|
|
|
-e '/# Indicates no parent/d' \
|
|
|
|
-e '/# The Disk Data Base/d' \
|
|
|
|
-e '/# The Disk Data Base/d' \
|
|
|
|
-e 's|ddb.comment.*|ddb.toolsVersion = "2147483647"|' \
|
|
|
|
${newdescriptor}
|
|
|
|
"${descriptor}" > "${newdescriptor}"
|
|
|
|
|
|
|
|
|
|
|
|
# add newline to newdescriptor
|
|
|
|
|
|
|
|
echo "" >> $newdescriptor
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# add required tools version
|
|
|
|
|
|
|
|
echo -n 'ddb.toolsVersion = "2147483647"' >> $newdescriptor
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
echo "Cat'ing modified descriptor for debugging."
|
|
|
|
|
|
|
|
cat $newdescriptor
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# diff original descriptor and new descriptor for debugging
|
|
|
|
|
|
|
|
# diff exits 1 if difference. pipefail not set so piping diff
|
|
|
|
|
|
|
|
# to cat prints diff and swallows exit 1
|
|
|
|
|
|
|
|
echo "Printing diff of original and new descriptors."
|
|
|
|
|
|
|
|
diff --text $descriptor $newdescriptor | cat
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# The header must be 1024 or less before padding
|
|
|
|
|
|
|
|
if ! expr $(stat --format=%s ${newdescriptor}) \< 1025 > /dev/null 2>&1; then
|
|
|
|
|
|
|
|
echo "descriptor is too large, VMDK will be invalid!";
|
|
|
|
|
|
|
|
exit 1
|
|
|
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
|
|
# The header is cannot be bigger than 1024
|
|
|
|
# reset newdescriptor to be 1024
|
|
|
|
expr $(stat --format=%s ${newdescriptor}) \< 1024 > /dev/null 2>&1 || {
|
|
|
|
truncate --no-create --size=1K $newdescriptor
|
|
|
|
echo "descriptor is too large, VMDK will be invalid!"; exit 1; }
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# Overwrite the vmdk header with our new, modified one
|
|
|
|
# Overwrite the vmdk header with our new, modified one
|
|
|
|
dd conv=notrunc,nocreat \
|
|
|
|
dd conv=notrunc,nocreat \
|
|
|
|
|
CloudBuilder
4 years ago