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Allow changing of CPUs, Memory, and Disk Size

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Allow podman machine set to change CPUs, Memory and Disk size of a QEMU machine after its been created.
Disk size can only be increased.

If one setting fails to be changed, the other settings will still be applied.

Signed-off-by: Ashley Cui <acui@redhat.com>
This commit is contained in:
Ashley Cui
2022-04-21 09:09:49 -04:00
parent 5ac00a7287
commit e7390f30b9
8 changed files with 421 additions and 64 deletions
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docs/source/markdown/podman-machine-set.1.md
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@ -8,17 +8,29 @@ podman\-machine\-set - Sets a virtual machine setting
## DESCRIPTION
Sets an updatable virtual machine setting.
Options mirror values passed to `podman machine init`. Only a limited
subset can be changed after machine initialization.
Change a machine setting.
## OPTIONS
#### **--cpus**=*number*
Number of CPUs.
Only supported for QEMU machines.
#### **--disk-size**=*number*
Size of the disk for the guest VM in GB.
Can only be increased. Only supported for QEMU machines.
#### **--help**
Print usage statement.
#### **--memory**, **-m**=*number*
Memory (in MB).
Only supported for QEMU machines.
#### **--rootful**=*true|false*
Whether this machine should prefer rootful (`true`) or rootless (`false`)