tempest

Tempest SSH client hang on `exec_command` if it produce many output

Bug #1615659 reported by Georgy Dyuldin
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
tempest
Fix Released
Undecided
Georgy Dyuldin

Bug Description

Tempest SSH client hangs indefinitely on `exec_command` call, if command produce many output.

Steps to reproduce:

1. Create any server (instance) with ssh access
2. Run attached python script

Revision history for this message
Georgy Dyuldin (g-dyuldin) wrote :
OpenStack Infra (hudson-openstack)
Changed in tempest:
assignee: nobody → Georgy Dyuldin (g-dyuldin)
status: New → In Progress
Revision history for this message
Alexander Gubanov (ogubanov) wrote :

I mentioned about this issue https://bugs.launchpad.net/tempest/+bug/1577632
Btw, here is Georgy's fix https://review.openstack.org/#/c/358610/

Georgy Dyuldin (g-dyuldin)
summary: - Tempest SSH client hang on `exec_command` if it produce more output
+ Tempest SSH client hang on `exec_command` if it produce many output
Revision history for this message
OpenStack Infra (hudson-openstack) wrote : Fix merged to tempest (master)

Reviewed: https://review.openstack.org/358610
Committed: https://git.openstack.org/cgit/openstack/tempest/commit/?id=bce51c53a0ab5c95d863955067e44bb309f5d1a1
Submitter: Jenkins
Branch: master

commit bce51c53a0ab5c95d863955067e44bb309f5d1a1
Author: Georgy Dyuldin <email address hidden>
Date: Mon Aug 22 15:28:46 2016 +0300

    Fix exec_command to hang indefinitely

    Execution `recv_exit_status` before reading from channel may cause it hang
    indefinitely.

    Change-Id: I24dd3802133509f250659582ffb7d7f759e80988
    Closes-Bug: #1615659

Changed in tempest:
status: In Progress → Fix Released
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