Reverted the config back to what cloud-init generates; but disabled
'network: {config: disabled}' and everything works now.
I will try cloud-init from xenial-proposed now.
** Description changed:
cloud-init 0.7.9-48-g1c795b9-0ubuntu1~16.04.1
Cloud init generated /etc/network/interfaces.d/50-cloud-init.cfg for a
network configuration of two vlan'ed networks, on top of a bond, of two
interfaces.
The generated config did not work, as the bond specified "bond-slaves
none", there were also bond_* settings specified on the interfaces,
which I believe are redundant.
Comparing the config generated by this cloud-init with another instance
of similar type, I have removed the extrac bond_* settings from the
cloud init generated config, and also specified "bond-salves" on the
bond stanza, and disabled the cloud-init network config via snippet as
advised at the top of the file.
This made networking come up.
I will attach, the generated 50-cloud-init.cfg; diff of applied
differences; as well as the journal logs of both boots (broken and
working).
Imho cloud-init should generate bond-slaves stanzas with the interfaces
names.
+
+ However, further investigation suggests that changing bond-slaves from
+ none to list of interfaces is a red herring. And instead the generated
+ configuration is just fine, as long as network config is disabled in
+ cloud-init (e.g. echo 'network: {config: disabled}' >
+ /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg). So cloud-init
+ generates the right eni.d drop-in file, but fails to correctly online
+ these devices?! seems like "ifup -a" is all that is needed here.
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https://bugs.launchpad.net/bugs/1684092
Title:
cloud-init in xenial generates bond configs that do not appear to work
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