This issue is discussed in a document at
https://docs.google.com/document/d/14xH2Q3VH_7ArXzRPhqogfACeOI0rmEinm_Q98imNWlc/
Its all about "transition" of networking information from the initramfs
environment which is configured by the kernel command line over to the
"real root".
The Ubuntu foundations team is expecting to have dhcp transition
correctly in 18.04.
** Also affects: systemd (Ubuntu)
Importance: Undecided
Status: New
** Also affects: cloud-initramfs-tools (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1732522
Title:
[2.3] Ephemeral boot environment does not renew DHCP leases
Status in cloud-init:
New
Status in MAAS:
Fix Committed
Status in cloud-initramfs-tools package in Ubuntu:
New
Status in systemd package in Ubuntu:
New
Bug description:
I started commissioning+hardware testing on a machine, and while the
machine was testing (for 2hrs+) i noticed that the IP address had
disappeared. The machine has the MAC of 00:25:90:4c:e7:9e and IP of
192.168.0.211 from the dynamic range.
Checking the MAAS server, I noticed that the IP/MAC was in the ARP
table:
andreserl@maas:/var/lib/maas/dhcp$ arp -a | grep 211
192-168-9-211.maas (192.168.9.211) at 00:25:90:4c:e7:9e [ether] on bond-lan
Checking the leases file has the following:
http://pastebin.ubuntu.com/25969442/
Then I checked a couple areas of MAAS:
- Device discovery, the machine wasn't there.
- Subnet details page, the machine wasn't there (e.g. as observed)
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