yahoo-eng-team team mailing list archive

[Eric Xie <1697564@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Description
===========
Consider of security, default port(22) of sshd maybe be changed.
After it was changed, the resize of instance got error.

Steps to reproduce
==================
* Modify the /etc/ssh/sshd_config, 'Port 22022',and restart sshd;
* Resize one instance

Expected result
===============
Resize successfully

Actual result
=============
Resize fails

Environment
===========
1. Libvirt + KVM
2. OpenStack Mitaka
# rpm -qa | grep nova
openstack-nova-conductor-13.1.2-1.el7.noarch
openstack-nova-api-13.1.2-1.el7.noarch
python-nova-13.1.2-1.el7.noarch
openstack-nova-novncproxy-13.1.2-1.el7.noarch
openstack-nova-cert-13.1.2-1.el7.noarch
openstack-nova-scheduler-13.1.2-1.el7.noarch
python2-novaclient-3.3.2-1.el7.noarch
openstack-nova-common-13.1.2-1.el7.noarch
openstack-nova-console-13.1.2-1.el7.noarch

Logs & Configs
==============
2017-06-13 00:46:35.807 14424 ERROR oslo_messaging.rpc.dispatcher ResizeError: Resize error: not able to execute ssh command: Unexpected error while running command.
2017-06-13 00:46:35.807 14424 ERROR oslo_messaging.rpc.dispatcher Command: ssh -o BatchMode=yes 172.23.30.7 mkdir -p /var/lib/nova/instances/67c23674-d6e9-40a2-95f0-5aa521074ff7
2017-06-13 00:46:35.807 14424 ERROR oslo_messaging.rpc.dispatcher Exit code: 255
2017-06-13 00:46:35.807 14424 ERROR oslo_messaging.rpc.dispatcher Stdout: u''
2017-06-13 00:46:35.807 14424 ERROR oslo_messaging.rpc.dispatcher Stderr: u'ssh: connect to host 172.23.30.7 port 22: Connection refused\r\n'

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1697564

Title:
  Failed to resize instance after changing ssh's port

Status in OpenStack Compute (nova):
  New

Bug description:
  Description
  ===========
  Consider of security, default port(22) of sshd maybe be changed.
  After it was changed, the resize of instance got error.

  Steps to reproduce
  ==================
  * Modify the /etc/ssh/sshd_config, 'Port 22022',and restart sshd;
  * Resize one instance

  Expected result
  ===============
  Resize successfully

  Actual result
  =============
  Resize fails

  Environment
  ===========
  1. Libvirt + KVM
  2. OpenStack Mitaka
  # rpm -qa | grep nova
  openstack-nova-conductor-13.1.2-1.el7.noarch
  openstack-nova-api-13.1.2-1.el7.noarch
  python-nova-13.1.2-1.el7.noarch
  openstack-nova-novncproxy-13.1.2-1.el7.noarch
  openstack-nova-cert-13.1.2-1.el7.noarch
  openstack-nova-scheduler-13.1.2-1.el7.noarch
  python2-novaclient-3.3.2-1.el7.noarch
  openstack-nova-common-13.1.2-1.el7.noarch
  openstack-nova-console-13.1.2-1.el7.noarch

  Logs & Configs
  ==============
  2017-06-13 00:46:35.807 14424 ERROR oslo_messaging.rpc.dispatcher ResizeError: Resize error: not able to execute ssh command: Unexpected error while running command.
  2017-06-13 00:46:35.807 14424 ERROR oslo_messaging.rpc.dispatcher Command: ssh -o BatchMode=yes 172.23.30.7 mkdir -p /var/lib/nova/instances/67c23674-d6e9-40a2-95f0-5aa521074ff7
  2017-06-13 00:46:35.807 14424 ERROR oslo_messaging.rpc.dispatcher Exit code: 255
  2017-06-13 00:46:35.807 14424 ERROR oslo_messaging.rpc.dispatcher Stdout: u''
  2017-06-13 00:46:35.807 14424 ERROR oslo_messaging.rpc.dispatcher Stderr: u'ssh: connect to host 172.23.30.7 port 22: Connection refused\r\n'

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