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virsh: cmdBlock*: Remove 'error:' prefix for an empty line

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When a block copy job fails prior to reaching the synchronized phase
while we are waiting for the job to finish virsh would print the
following:

 $ virsh blockcopy backup-test vda /tmp/dst.qcow2 --wait --reuse-external --transient-job
 error:
 Copy failed

The above message looks like we've forgot to print the error message
itself as the line ends after 'error:'. Unfortunately with the current
API design clients have no way of actually getting the error message as
the VIR_DOMAIN_EVENT_ID_BLOCK_JOB(_2) event only reports the status but
not an error and the job then vanishes.

Fix the expectations by using vshPrintExtra instead of vshError:

 $ virsh blockcopy backup-test vda /tmp/dst.qcow2 --wait --reuse-external --transient-job

 Copy failed

Note that the newline is required to avoid printing the 'Copy failed'
message on the same line when printing the job progress percentage.

Inspired by https://bugzilla.redhat.com/show_bug.cgi?id=1847867

Fix the same issue also for block pull and block commit job

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Peter Krempa 2020-06-17 14:08:22 +02:00
parent da5e5a1e15
commit fc09f3d823
1 changed files with 3 additions and 3 deletions
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6
tools/virsh-domain.c
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@ -2140,7 +2140,7 @@ cmdBlockcommit(vshControl *ctl, const vshCmd *cmd)
break;
case VIR_DOMAIN_BLOCK_JOB_FAILED:
vshError(ctl, "\n%s", _("Commit failed"));
vshPrintExtra(ctl, "\n%s", _("Commit failed"));
goto cleanup;
break;
@ -2457,7 +2457,7 @@ cmdBlockcopy(vshControl *ctl, const vshCmd *cmd)
break;
case VIR_DOMAIN_BLOCK_JOB_FAILED:
vshError(ctl, "\n%s", _("Copy failed"));
vshPrintExtra(ctl, "\n%s", _("Copy failed"));
goto cleanup;
break;
@ -2865,7 +2865,7 @@ cmdBlockpull(vshControl *ctl, const vshCmd *cmd)
break;
case VIR_DOMAIN_BLOCK_JOB_FAILED:
vshError(ctl, "\n%s", _("Pull failed"));
vshPrintExtra(ctl, "\n%s", _("Pull failed"));
goto cleanup;
break;