** Changed in: cloud-images
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1715095
Title:
network is only configured on first boot
Status in cloud-images:
Invalid
Status in cloud-init:
Incomplete
Bug description:
When I create a new VM with an Ubuntu Server Cloud image and using
cloud-init, the network is only configured on the first boot. After
the machine has been shut-down and powered up again, the network is no
longer configured static and instead uses DHCP.
I’m using the, at the time newest, xenial server cloud image
(30.08.2017) and use a VM manager called oVirt that uses KVM for
virtualization.
cloud-init version 0.7.9
Ubuntu 16.04.3 LTS
Steps to reproduce:
• Download Ubuntu cloud image from https://cloud-images.ubuntu.com/xenial/
• Mount disk to fix bug #1573095
(https://bugs.launchpad.net/cloud-images/+bug/1573095)
• Fix bug with instructions from comment https://bugs.launchpad.net/cloud-
images/+bug/1573095/comments/15
• Unmount disk image.
• Import Image into oVirt.
• Create new virtual machine in oVirt.
• Assign disk image to virtual machine.
• Add cloud init parameters (including static IP conf.) to virtual
machine.
• Boot virtual machine.
• See that networking works and a static IP is configured (ifconfig).
• See that the network is configured in
/etc/network/interfaces.d/50-cloud-init.cfg
• Shutdown (NOT reboot) the virtual machine.
• Power On the virtual machine.
• See that DHCP service runs for 5min.
• After boot see that network is not configured.
• See that file /etc/network/interfaces.d/50-cloud-init.cfg lost its
configuration.
Other possible causes:
• The cloud image might be wrongly configured to run cloud-init at every
boot (As reboots
are not affected and the server listens for cloud-init configuration
data after first
boot. Also the ssh hostkey is reset every time the machine boots).
My current workaround:
• I added the following line to my cloud-init runcmd parameters to copy
the cloud network
file:
- "cp /etc/network/interfaces.d/50-cloud-init.cfg
/etc/network/interfaces"
• I disable cloud-init manually after first boot by adding the following
line to my cloud-
init runcmd parameters:
- [ touch, "/etc/cloud/cloud-init.disabled" ]
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