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Re: [staf-users] SXE not stopping on non-zero return
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From: David S. <ds...@td...> - 2006-04-26 14:51:14
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Thanks for your replies, they confirm what I was guessing.
I was hoping to keep this portion pretty low-level, but it sounds like the
simplest thing for me is to move it into my Python scripts, so I can get better
control.
David
Quoting Sharon Lucas <lu...@us...>:
> Note that STAX provides many more functions than SXE as an execution
> engine so you may want to look into using it instead if you want to check
> return codes and results from processes and other STAF commands and use if
> logic, etc. to do something if a process fails.
>
> --------------------------------------------------------------
> Sharon Lucas
> IBM Austin, lu...@us...
> (512) 838-8347 or Tieline 678-8347
>
>
>
>
> Charles Rankin/Austin/IBM@IBMUS
> Sent by: sta...@li...
> 04/26/2006 08:34 AM
>
> To
> sta...@li...
> cc
>
> Subject
> Re: [staf-users] SXE not stopping on non-zero return
>
>
>
>
>
>
>
> I think that SXE is operating correctly. There is a distinction between
> the PROCESS START command returning non-zero (indicating that it couldn't
> start the process) and the command that is started returning non-zero. SXE
> will detect the first situation, but will not detect the second, as SXE
> got a zero RC from the PROCESS START request. Remember that SXE doesn't
> actually know anything about the service requests that it is executing, so
> it doesn't inspect the returned Result Buffer. It only looks at the RC
> returned from the request, which will always be zero if the PROCESS
> service is able to START the specified command (regardless of that
> commands return code).
>
> It doesn't seem like it would be too hard to add some special syntax to
> SXE to tell it to start a process so that it knows to look into the result
> buffer for a successful execution.
>
> Charles Rankin
>
>
>
> David Swift <ds...@td...>
> Sent by: sta...@li...
> 04/25/2006 07:19 PM
>
>
> To
> sta...@li...
> cc
>
> Subject
> [staf-users] SXE not stopping on non-zero return
>
>
>
>
>
>
>
>
> Running STAF 3.1.3, SXE 3.0.1. SXE is showing a non-zero return code in
> the log, but is not stopping execution. The failing command is on the
> 5th line of the SXE file. Subsequent commands also fail, but do not stop.
>
>
> The SXE file looks like this:
> local VAR SET VAR STAF/Service/SXE/LogLevel=Command
> local VAR SET VAR STAF/Service/SXE/ElapsedTarget=0:1:0.0
> local VAR SET VAR STAF/Service/SXE/ElapsedTolerance=0
> local process start command umount parms /mw/mwcl-data STDERRTOSTDOUT
> RETURNSTDOUT wait
> local process start command umount parms /dev/sdb1 STDERRTOSTDOUT
> RETURNSTDOUT wait
> local process start command mkfs.reiserfs parms -q /dev/sdb1
> STDERRTOSTDOUT RETURNSTDOUT wait
> local process start command mount parms /dev/sdb1 /mw STDERRTOSTDOUT
> RETURNSTDOUT wait
> local process start command mkdir parms /mw/mwcl-data STDERRTOSTDOUT
> RETURNSTDOUT wait
> local process start command mount parms bacon:/data01/mwcl-data
> /mw/mwcl-data STDERRTOSTDOUT RETURNSTDOUT wait
>
>
> The log returned looks like this:
> {
> Date-Time: 20060425-16:44:15
> Level : Info
> Message : {
> Action : End
> Command: local VAR SET VAR STAF/Service/SXE/LogLevel=Command
> Result :
> }
> }
> {
> Date-Time: 20060425-16:44:15
> Level : Info
> Message : {
> Action : Begin
> Command: local VAR SET VAR STAF/Service/SXE/ElapsedTarget=0:1:0.0
> Result : <None>
> }
> }
> {
> Date-Time: 20060425-16:44:15
> Level : Info
> Message : {
> Action : End
> Command: local VAR SET VAR STAF/Service/SXE/ElapsedTarget=0:1:0.0
> Result :
> }
> }
> {
> Date-Time: 20060425-16:44:15
> Level : Info
> Message : {
> Action : Begin
> Command: local VAR SET VAR STAF/Service/SXE/ElapsedTolerance=0
> Result : <None>
> }
> }
> {
> Date-Time: 20060425-16:44:15
> Level : Info
> Message : {
> Action : End
> Command: local VAR SET VAR STAF/Service/SXE/ElapsedTolerance=0
> Result :
> }
> }
> {
> Date-Time: 20060425-16:44:15
> Level : Info
> Message : {
> Action : Begin
> Command: local process start command umount parms /mw/mwcl-data
> STDERRTOSTDOUT RETURNSTDOUT wait
> Result : <None>
> }
> }
> {
> Date-Time: 20060425-16:44:16
> Level : Info
> Message : {
> Action : End
> Command: local process start command umount parms /mw/mwcl-data
> STDERRTOSTDOUT RETURNSTDOUT wait
> Result : {
> Return Code: 0
> Key : <None>
> Files : [
> {
> Return Code: 0
> Data :
> }
> ]
> }
> }
> }
> {
> Date-Time: 20060425-16:44:16
> Level : Info
> Message : {
> Action : Begin
> Command: local process start command umount parms /dev/sdb1
> STDERRTOSTDOUT RETURNSTDOUT wait
> Result : <None>
> }
> }
> {
> Date-Time: 20060425-16:44:17
> Level : Info
> Message : {
> Action : End
> Command: local process start command umount parms /dev/sdb1
> STDERRTOSTDOUT RETURNSTDOUT wait
> Result : {
> Return Code: 1
> Key : <None>
> Files : [
> {
> Return Code: 0
> Data : umount: /mw: device is busy
> umount: /mw: device is busy
>
> }
> ]
> }
> }
> }
> {
> Date-Time: 20060425-16:44:17
> Level : Info
> Message : {
> Action : Begin
> Command: local process start command mkfs.reiserfs parms -q
> /dev/sdb1 STDERRTOSTDOUT RETURNSTDOUT wait
> Result : <None>
> }
> }
> {
> Date-Time: 20060425-16:44:24
> Level : Info
> Message : {
> Action : End
> Command: local process start command mkfs.reiserfs parms -q
> /dev/sdb1 STDERRTOSTDOUT RETURNSTDOUT wait
> Result : {
> Return Code: 0
> Key : <None>
> Files : [
> {
> Return Code: 0
> Data : mkfs.reiserfs 3.6.19 (2003 www.namesys.com)
>
> A pair of credits:
> Edward Shushkin wrote the encryption and compression file plugins, and
> the V3
> journal relocation code.
>
> Oleg Drokin was the debugger for V3 during most of the time that V4
> was under
> development, and was quite skilled and fast at it. He wrote the
> large write
> optimization of V3.
>
>
>
> }
> ]
> }
> }
> }
> {
> Date-Time: 20060425-16:44:24
> Level : Info
> Message : {
> Action : Begin
> Command: local process start command mount parms /dev/sdb1 /mw
> STDERRTOSTDOUT RETURNSTDOUT wait
> Result : <None>
> }
> }
> {
> Date-Time: 20060425-16:44:25
> Level : Info
> Message : {
> Action : End
> Command: local process start command mount parms /dev/sdb1 /mw
> STDERRTOSTDOUT RETURNSTDOUT wait
> Result : {
> Return Code: 32
> Key : <None>
> Files : [
> {
> Return Code: 0
> Data : mount: /dev/sdb1 already mounted or /mw busy
> mount: according to mtab, /dev/sdb1 is already mounted on /mw
>
> }
> ]
> }
> }
> }
> {
> Date-Time: 20060425-16:44:25
> Level : Info
> Message : {
> Action : Begin
> Command: local process start command mkdir parms /mw/mwcl-data
> STDERRTOSTDOUT RETURNSTDOUT wait
> Result : <None>
> }
> }
> {
> Date-Time: 20060425-16:44:26
> Level : Info
> Message : {
> Action : End
> Command: local process start command mkdir parms /mw/mwcl-data
> STDERRTOSTDOUT RETURNSTDOUT wait
> Result : {
> Return Code: 1
> Key : <None>
> Files : [
> {
> Return Code: 0
> Data : mkdir: cannot create directory `/mw/mwcl-data':
> File exists
>
> }
> ]
> }
> }
> }
> {
> Date-Time: 20060425-16:44:26
> Level : Info
> Message : {
> Action : Begin
> Command: local process start command mount parms
> bacon:/data01/mwcl-data /mw/mwcl-data STDERRTOSTDOUT RETURNSTDOUT wait
> Result : <None>
> }
> }
> {
> Date-Time: 20060425-16:44:27
> Level : Info
> Message : {
> Action : End
> Command: local process start command mount parms
> bacon:/data01/mwcl-data /mw/mwcl-data STDERRTOSTDOUT RETURNSTDOUT wait
> Result : {
> Return Code: 0
> Key : <None>
> Files : [
> {
> Return Code: 0
> Data :
> }
> ]
> }
> }
> }
> {
> Date-Time: 20060425-16:44:27
> Level : Stop
> Message : {
> Loop Number: 1
> Time : 16:44:27.022
> }
> }
> {
> Date-Time: 20060425-16:44:27
> Level : Pass
> Message : {
> Loop Number : 1
> Elapsed Time : 0:0:11.207
> Elapsed Target : 0:1:0.0
> Elapsed Tolerance Percent: 0
> }
> }
> ]
>
>
>
>
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