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Hi all stackers,

Currently Neutron/Nova code has supported the static IPv6 injection, but 
there is no tempest scenario coverage to support IPv6 injection test case. 
So I finished the test case and run the it successfully in my local 
environment, and already submitted the code-review in community: 
https://review.openstack.org/#/c/58721/, but the community Jenkins env has 
not supported IPv6 and there are still a few pre-requisites setup below if 
running the test case correctly, 

1. Special Image needed to support IPv6 by using cloud-init, currently the 
cirros image used by tempest does not installed cloud-init.

2. Prepare interfaces.template file below on compute node.
    edit  /usr/share/nova/interfaces.template 

# Injected by Nova on instance boot
#
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

{% for ifc in interfaces -%}
auto {{ ifc.name }}
{% if use_ipv6 -%}
iface {{ ifc.name }} inet6 static
    address {{ ifc.address_v6 }}
    netmask {{ ifc.netmask_v6 }}
{%- if ifc.gateway_v6 %}
    gateway {{ ifc.gateway_v6 }}
{%- endif %}
{%- endif %}

{%- endfor %}


So considering these two pre-requisites, what should be done to enable 
this patch for IPv6 injection? Should I open a bug for cirros to enable 
cloud-init?   Or skip the test case because of this bug ?
Any comments are appreciated!

Thanks & Best Regards,
----------------------------------------------------
Yang Yu(于杨)
----------------------------------------------------
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