Public bug reported:
As described in bug #454519 it should be possible to assign public IP's
for cloud instances dynamically using DHCP. The DHCP requests should
include some custom dhcp options that allow for smarter configuration of
the DHCP server.
For example, if the DHCP request includes custom options which identify
the image used (the EMI) then it would be possible to configure the DHCP
server to assign IP addresses from specific ranges to specific EMI's. If
the DHCP request also included as an option an indicator of a persistent
identify then the DHCP server can attempt to assign a persistent IP
address. DHCP options are described in the dhcp-options(5) man page.
As an example, we could create the Canonical encapsulated option space,
and then have options like:
Canonical.UPC.mi = text (the machine image identifier)
Canonical.UPC.id = text (some persistence identifier)
We would update the DHCP server documentation to make it very easy for
people to assign ranges of IP addresses for use in their cloud, or for
specific machine images etc.
** Affects: eucalyptus (Ubuntu)
Importance: Undecided
Status: New
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DHCP requests for public IPs should use DHCP options
https://bugs.launchpad.net/bugs/454540
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