IPv6-only environments need some more love

yoctozepto commented 4 years ago

1) there is no DHCPv6 support as far as I could tell a) stateless DHCPv6 (with SLAAC) lacks ability to obtain DNS servers (which would come via DHCPv6 client) b) stateful DHCPv6 does not apply at all 2) if no (IPv4) DHCP is present, then there is a long timeout (and irrelevant failures cascade) even though IPv6 SLAAC addressing was configured from enabled-by-default accepting of Router Advertisements (RAs) - this delays the start of ssh daemon (dropbear) which would normally work as it binds to both wildcards anyway; I attach console output [1]

[1] console.txt

yoctozepto commented 4 years ago

Tested in OpenStack CI: https://review.opendev.org/712768

rmohr commented 2 years ago

https://bazaar.launchpad.net/~j-harbott/cirros/dev/changes/383?start_revid=383 from an older discussion in https://bugs.launchpad.net/cirros/+bug/1487041 may be helpful for someone looking into this.

hrw commented 2 years ago

Please check 0.6.0

yoctozepto commented 2 years ago

Checking it: https://review.opendev.org/c/openstack/kolla-ansible/+/712768 https://review.opendev.org/c/openstack/kolla-ansible/+/859935

osfrickler commented 2 years ago

Passed

cirros-dev / cirros

IPv6-only environments need some more love #58