yahoo-eng-team team mailing list archive

[Rodolfo Alonso <1892861@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

In the VM boot process, cloud-init copies the SSH keys.

If the tempest test tries to connect to the VM before the SSH keys are
copied, the SSH client will raise a
paramiko.ssh_exception.AuthenticationException. From this point, even
when the SSH keys are copied into the VM, the SSH client cannot
reconnect anymore into the VM using the pkey.

If a bigger sleep time is added manually (to avoid this race condition:
try to connect when the IP is available in the port but the SSH keys are
still not present in the VM), the SSH client connects without any
problem.

[1]http://paste.openstack.org/show/797127/

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1892861

Title:
  [neutron-tempest-plugin] If paramiko SSH client connection fails
  because of authentication, cannot reconnect

Status in neutron:
  New

Bug description:
  In the VM boot process, cloud-init copies the SSH keys.

  If the tempest test tries to connect to the VM before the SSH keys are
  copied, the SSH client will raise a
  paramiko.ssh_exception.AuthenticationException. From this point, even
  when the SSH keys are copied into the VM, the SSH client cannot
  reconnect anymore into the VM using the pkey.

  If a bigger sleep time is added manually (to avoid this race
  condition: try to connect when the IP is available in the port but the
  SSH keys are still not present in the VM), the SSH client connects
  without any problem.

  [1]http://paste.openstack.org/show/797127/

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