Re: [PATCH v2 1/3] hyperv: Fix hypervInitConnection error reporting

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On Mon, Oct 16, 2017 at 3:58 PM, John Ferlan <jferlan@xxxxxxxxxx> wrote:
>
>
> On 10/06/2017 02:47 AM, Ladi Prosek wrote:
>> "%s is not a Hyper-V server" is not a correct generalization of all possible
>> error conditions of hypervEnumAndPull. For example:
>>
>>   $ virsh --connect hyperv://localhost/?transport=http
>>   Enter username for localhost [administrator]:
>>   Enter administrator's password for localhost: <enters incorrect password>
>>   error: failed to connect to the hypervisor
>>   error: internal error: localhost is not a Hyper-V server
>>
>> This commit removes the general virReportError from hypervInitConnection and
>> also the "Invalid query" virReportError from hypervSerializeEprParam, which
>> does not correctly describe the error either (virBufferCheckError has
>> already set a meaningful error message at that point).
>>
>> The same scenario with the fix:
>>
>>   $ virsh --connect hyperv://localhost/?transport=http
>>   Enter username for localhost [administrator]:
>>   Enter administrator's password for localhost: <enters incorrect password>
>>   error: failed to connect to the hypervisor
>>   error: internal error: Transport error during enumeration: User, password or
>>   similar was not accepted (26)
>>
>> Signed-off-by: Ladi Prosek <lprosek@xxxxxxxxxx>
>> ---
>>  src/hyperv/hyperv_driver.c | 2 --
>>  src/hyperv/hyperv_wmi.c    | 1 -
>>  2 files changed, 3 deletions(-)
>>
>
> Seems reasonable -
>> diff --git a/src/hyperv/hyperv_driver.c b/src/hyperv/hyperv_driver.c
>> index 09912610c..52274239c 100644
>> --- a/src/hyperv/hyperv_driver.c
>> +++ b/src/hyperv/hyperv_driver.c
>> @@ -105,8 +105,6 @@ hypervInitConnection(virConnectPtr conn, hypervPrivate *priv,
>>          priv->wmiVersion = HYPERV_WMI_VERSION_V1;
>>
>>          if (hypervEnumAndPull(priv, &wqlQuery, &computerSystem) < 0) {
>> -            virReportError(VIR_ERR_INTERNAL_ERROR,
>> -                           _("%s is not a Hyper-V server"), conn->uri->server);
>>              goto cleanup;
>>          }
>
> Before posting be sure to "make check syntax-check" which would have
> told you that since there's only one line (cleanup;) in the condition
> that the { } are not necessary.

Will do, sorry about that.

> I've removed them locally before pushing...

Thank you!

> Reviewed-by: John Ferlan <jferlan@xxxxxxxxxx>
>
>
> John
>>      }
>> diff --git a/src/hyperv/hyperv_wmi.c b/src/hyperv/hyperv_wmi.c
>> index 980a00e28..0b9431bfa 100644
>> --- a/src/hyperv/hyperv_wmi.c
>> +++ b/src/hyperv/hyperv_wmi.c
>> @@ -514,7 +514,6 @@ hypervSerializeEprParam(hypervParamPtr p, hypervPrivate *priv,
>>      /* Get query and create filter based on it */
>>      if (virBufferCheckError(p->epr.query) < 0) {
>>          virBufferFreeAndReset(p->epr.query);
>> -        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Invalid query"));
>>          goto cleanup;
>>      }
>>      query_string = virBufferContentAndReset(p->epr.query);
>>

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