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This reverts commit 74fa008bfcd3263eb691cc0b3f7a055b17569f8b.
During pre-release testing, we discovered two issues with this commit.
Firstly, there's a typo in the udevadm command that causes a TypeError
for _all_ growpart executions. Secondly, the LVM resizing does not
appear to successfully resize everything up to the LV, though some
things do get resized.
We certainly want this change, so we'll be happy to review and land it
alongside an integration test which confirms that it is working as
expected.
LP: #1922742
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This patch adds support to resize a single partition of a VM if it's using an
LVM underneath. The patch detects if it's LVM if the given block device
is a device mapper by its name (e.g. `/dev/dm-1`) and if it has slave
devices under it on sysfs. After that syspath is updated to the real
block device and growpart will be called to resize it (and automatically
its Physical Volume).
The Volume Group will be updated automatically and a final call to
extend the rootfs to the remaining space available will be made.
Using the same growpart configuration, the user can specify only one
device to be resized when using LVM and growpart, otherwise cloud-init
won't know which one should be resized and will fail.
rhbz: #1810878
LP: #1799953
Signed-off-by: Eduardo Otubo <otubo@redhat.com>
Signed-off-by: Scott Moser <smoser@brickies.net>
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This was previously broken anyway. It doesn't seem like there
was an easy way to actually support it, so for now I'm removing
it entirely. growpart works well enough.
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cloud-initramfs-growroot is an initramfs module in cloud-initramfs-tools
that resizes the root partition before the root is pivoted over.
growroot was used in Ubuntu up to and including 12.10. The file
/etc/growroot-disabled on the root filesystem was the only way of
disabling the growing of the root partition.
In cloud-init 0.7.2 cloud-init began resizing the root partition
as growpart gained the ability to utilize 'ptupdate' in kernels > 3.8.
This was a big improvement as now the user could disable or enable
the growing of the root partition via user-data.
In order to let users disable growing of / very simplistically cloud-init
will now respect the presense of /etc/growroot-disabled unless config
specifically tells it to ignore that file.
LP: #1234331
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