storage volume export doesn't accept --target

[slapcat]

Required information

• Distribution: Ubuntu
• Distribution version: 22.04
• The output of "incus info" or if that fails:
  • Kernel version: 5.15.0-97-generic
  • LXC version: 5.20
  • Incus version: 0.6
  • Storage backend in use: zfs

Issue description

The storage volume export command does not recognize the --target parameter when multiple nodes have the same volume.

Steps to reproduce

1. Create a storage volume in an incus cluster:

# incus storage volume create local test --target=meatwad
Storage volume test created

2. Export (works!):

# incus storage volume export local test --target=meatwad
Backup exported successfully!  

3. Create a volume of the same name on another node:

# incus storage volume create local test --target=daphne
Storage volume test created

4. Attempt to export either one (does not work!):

# incus storage volume export local test --target=meatwad
Error: Failed to fetch storage volume backup file: More than one cluster member has a volume named "test". Please target a specific member

# incus storage volume export local test --target=daphne
Error: Failed to fetch storage volume backup file: More than one cluster member has a volume named "test". Please target a specific member

It does not matter where in the command the --target flag appears.

[presztak]

@stgraber can I stab that one?

[stgraber]

Yep, assigned it to you!