Do not validate the volume source path in specgen

[Luap99]

The volume src path should not be validated in specgen since
the remote client also uses that part and the path must only
exists on the server. This now fails later and only on the
server and not the client.

I don't think I can add a test for this because the CI runs
server and client always on the same vm.

Fixes #8473

[vrothberg]

Thanks! Could you add a test for it?

[Luap99]

@vrothberg I don't think I can. This will only fail if server and client are not on the same machine. AFAIK this is not the case in the CI VMs?

[rhatdan]

Does this still fail, if the source volume does not exists? And does the error look decent.

[Luap99]

This was the old error: Error: error checking path "/test1": stat /test1: no such file or directory
And this is the new: Error: statfs /test1: no such file or directory
I think this is fine since the first error message was redundant anyway.

[rhatdan]

Excellent, I like removing stuttering errors.

[rhatdan]

LGTM
Now if we can just get quay.io to be a little less sick, we could get the tests to run.

[TomSweeneyRedHat]

LGTM
assuming the tests get hip

[rhatdan]

/lgtm
/hold

[rhatdan]

/approve

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[Luap99]

OK, fixed the test were the host path is empty.

[rhatdan]

/lgtm

[rhatdan]

/hold cancel