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[OpenStack Infra <1728948@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/545820
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=92959238a3e408e810ccd4f3d3d453a35afb5bba
Submitter: Zuul
Branch:    master

commit 92959238a3e408e810ccd4f3d3d453a35afb5bba
Author: Sławek Kapłoński <slawek@xxxxxxxxxxxx>
Date:   Mon Feb 19 13:28:57 2018 +0100

    [Fullstack] Respawn dhclient process in case of error
    
    When dhclient process is started as async process by fake machine resource,
    it might happen that "None" will be returned as first line of output
    from this process. This is treated as an error and dhclient is halted
    immediately.
    Because of that fake machine don't have configured IP address and
    test fails.
    
    This patch adds "respawn_timeout" value set to 5 seconds for dhclient
    async process. When dhclient process is restarted it should works fine
    and IP address should be then configured properly.
    
    Change-Id: Ie056578abbe6e18c8415c6e61d755f2248a70541
    Closes-Bug: #1728948


** Changed in: neutron
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1728948

Title:
  fullstack: test_connectivity fails due to dhclient crash

Status in neutron:
  Fix Released

Bug description:
  http://logs.openstack.org/66/515566/7/check/legacy-neutron-dsvm-
  fullstack/92fcb8e/logs/dsvm-fullstack-
  logs/TestOvsConnectivitySameNetwork.test_connectivity_GRE-l2pop-
  arp_responder,openflow-native_ovsdb-
  native_.txt.gz#_2017-10-31_06_52_37_750

  The test fails because ping is not successful probably because
  instances don't get ips:

  http://logs.openstack.org/66/515566/7/check/legacy-neutron-dsvm-
  fullstack/92fcb8e/logs/dsvm-fullstack-
  logs/TestOvsConnectivitySameNetwork.test_connectivity_GRE-l2pop-
  arp_responder,openflow-native_ovsdb-
  native_.txt.gz#_2017-10-31_06_52_18_204

  2017-10-31 06:52:18.204 25430 DEBUG neutron.agent.linux.async_process
  [-] Halting async process [ip netns exec test-42effae2-ba0c-45be-
  95e3-85e7a8b6315f dhclient -sf /opt/stack/new/neutron/.tox/dsvm-
  fullstack/bin/fullstack-dhclient-script --no-pid -d port6b08d0] in
  response to an error. _handle_process_error
  neutron/agent/linux/async_process.py:196

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