Re: [PATCHv2] ltp: make copyFrom scp command non-fatal

["Matthew" <matthew.zeng@windriver.com>]

Richard Purdie <richard.purdie@linuxfoundation.org> writes:

> On Wed, 2020-08-05 at 13:15 -0400, Mingde (Matthew) Zeng wrote:
>> [YOCTO #13802]
>>
>> Make the scp failure non-fatal so the ltp tests continue to run and
>> the rest of the logs will be available to see afterwards.
>>
>> Signed-off-by: Mingde (Matthew) Zeng <matthew.zeng@windriver.com>
>> ---
>>  meta/lib/oeqa/core/target/ssh.py | 11 +++++++----
>>  1 file changed, 7 insertions(+), 4 deletions(-)
>>
>> diff --git a/meta/lib/oeqa/core/target/ssh.py b/meta/lib/oeqa/core/target/ssh.py
>> index 090b40a814..e891a4bbfa 100644
>> --- a/meta/lib/oeqa/core/target/ssh.py
>> +++ b/meta/lib/oeqa/core/target/ssh.py
>> @@ -50,7 +50,7 @@ class OESSHTarget(OETarget):
>>      def stop(self, **kwargs):
>>          pass
>>
>> -    def _run(self, command, timeout=None, ignore_status=True):
>> +    def _run(self, command, timeout=None, ignore_status=True, ignore_error=False):
>>          """
>>              Runs command in target using SSHProcess.
>>          """
>> @@ -62,8 +62,11 @@ class OESSHTarget(OETarget):
>>                   "" % (status, time.time() - starttime))
>>
>>          if status and not ignore_status:
>> -            raise AssertionError("Command '%s' returned non-zero exit "
>> -                                 "status %d:\n%s" % (command, status, output))
>> +            if ignore_error:
>> +                self.logger.warning("Command '%s' returned non-zero exit status %d:\n%s" % (command, status, output))
>> +            else:
>> +                raise AssertionError("Command '%s' returned non-zero exit "
>> +                                     "status %d:\n%s" % (command, status, output))
>>
>>          return (status, output)
>>
>> @@ -113,7 +116,7 @@ class OESSHTarget(OETarget):
>>          """
>>          remotePath = '%s@%s:%s' % (self.user, self.ip, remoteSrc)
>>          scpCmd = self.scp + [remotePath, localDst]
>> -        return self._run(scpCmd, ignore_status=False)
>> +        return self._run(scpCmd, ignore_error=True)
>>
>>      def copyDirTo(self, localSrc, remoteDst):
>>          """
>
> That isn't what I meant, I mean something like:
>
> diff --git a/meta/lib/oeqa/core/target/ssh.py b/meta/lib/oeqa/core/target/ssh.py
> index 090b40a8143..cbc56f2e0ad 100644
> --- a/meta/lib/oeqa/core/target/ssh.py
> +++ b/meta/lib/oeqa/core/target/ssh.py
> @@ -107,13 +107,16 @@ class OESSHTarget(OETarget):
>              scpCmd = self.scp + [localSrc, remotePath]
>              return self._run(scpCmd, ignore_status=False)
>
> -    def copyFrom(self, remoteSrc, localDst):
> +    def copyFrom(self, remoteSrc, localDst, warn_on_failure=False):
>          """
>              Copy file from target.
>          """
>          remotePath = '%s@%s:%s' % (self.user, self.ip, remoteSrc)
>          scpCmd = self.scp + [remotePath, localDst]
> -        return self._run(scpCmd, ignore_status=False)
> +        (status, output) = self._run(scpCmd, ignore_status=warn_on_failure)
> +        if warn_on_failure and not status:
> +            self.logger.warning("Copy X returned non-zero exit status %d:\n%s" % (XXX, status, output))
> +        return (status, output)
>
>      def copyDirTo(self, localSrc, remoteDst):
>          """
>
> so that we enable this in the specific case og the copy we might accept failure for.

This works too, my implementation is not as specific as this but it still enables warning only when the optional parameter ignore_error=True, which is what I specified in the copyFrom function only.

I'll adjust my patch.

>
> Cheers,
>
> Richard


--
Mingde (Matthew) Zeng