Tracked in Github Issues as https://github.com/canonical/cloud- init/issues/3463
** Bug watch added: github.com/canonical/cloud-init/issues #3463 https://github.com/canonical/cloud-init/issues/3463 ** Changed in: cloud-init Status: Triaged => Expired -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to cloud-init. https://bugs.launchpad.net/bugs/1847583 Title: netplan configuration not re-generated Status in cloud-init: Expired Bug description: via https://bugs.launchpad.net/cloud-init/+bug/1846535/comments/40 steps to reproduce: (ec2/gcp/azure all have the same issue) * start a ubuntu 18.04 instance * update cloud-init to `19.2-36-g059d049c-0ubuntu2~18.04.1` cloud-init-output.log ``` Cloud-init v. 19.2-36-g059d049c-0ubuntu1~18.04.1 running 'init-local' at Thu, 10 Oct 2019 08:33:00 +0000. Up 11.53 seconds. Cloud-init v. 19.2-36-g059d049c-0ubuntu1~18.04.1 running 'init' at Thu, 10 Oct 2019 08:33:03 +0000. Up 14.77 seconds. ci-info: ++++++++++++++++++++++++++++++++++++++Net device info++++++++++++++++++++++++++++++++++++++ ci-info: +--------+------+----------------------------+---------------+--------+-------------------+ ci-info: | Device | Up | Address | Mask | Scope | Hw-Address | ci-info: +--------+------+----------------------------+---------------+--------+-------------------+ ci-info: | ens5 | True | 172.31.18.122 | 255.255.240.0 | global | 02:a8:af:c9:34:90 | ci-info: | ens5 | True | fe80::a8:afff:fec9:3490/64 | . | link | 02:a8:af:c9:34:90 | ci-info: | lo | True | 127.0.0.1 | 255.0.0.0 | host | . | ci-info: | lo | True | ::1/128 | . | host | . | ci-info: +--------+------+----------------------------+---------------+--------+-------------------+ ci-info: ++++++++++++++++++++++++++++++Route IPv4 info++++++++++++++++++++++++++++++ ci-info: +-------+-------------+-------------+-----------------+-----------+-------+ ci-info: | Route | Destination | Gateway | Genmask | Interface | Flags | ci-info: +-------+-------------+-------------+-----------------+-----------+-------+ ci-info: | 0 | 0.0.0.0 | 172.31.16.1 | 0.0.0.0 | ens5 | UG | ci-info: | 1 | 172.31.16.0 | 0.0.0.0 | 255.255.240.0 | ens5 | U | ci-info: | 2 | 172.31.16.1 | 0.0.0.0 | 255.255.255.255 | ens5 | UH | ci-info: +-------+-------------+-------------+-----------------+-----------+-------+ ci-info: +++++++++++++++++++Route IPv6 info+++++++++++++++++++ ci-info: +-------+-------------+---------+-----------+-------+ ci-info: | Route | Destination | Gateway | Interface | Flags | ci-info: +-------+-------------+---------+-----------+-------+ ci-info: | 1 | fe80::/64 | :: | ens5 | U | ci-info: | 3 | local | :: | ens5 | U | ci-info: | 4 | ff00::/8 | :: | ens5 | U | ci-info: +-------+-------------+---------+-----------+-------+ Generating public/private rsa key pair. Your identification has been saved in /etc/ssh/ssh_host_rsa_key. root@ip-172-31-18-122:~# networkctl IDX LINK TYPE OPERATIONAL SETUP 1 lo loopback carrier unmanaged 2 ens5 ether routable configured 2 links listed. root@ip-172-31-18-122:~# cat /etc/netplan/50-cloud-init.yaml # This file is generated from information provided by # the datasource. Changes to it will not persist across an instance. # To disable cloud-init's network configuration capabilities, write a file # /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following: # network: {config: disabled} network: version: 2 ethernets: ens5: dhcp4: true dhcp6: true match: macaddress: 02:a8:af:c9:34:90 set-name: ens5 ``` * update packages and install kernel 5.3.5 * create a image of the now running instance * start a instance from the image * unable to connect * stop the instance * mount the disk to another running instance mounting the disk to another instance, one can see that the netplan configuration was not updated ``` Cloud-init v. 19.2-36-g059d049c-0ubuntu1~18.04.1 running 'modules:config' at Thu, 10 Oct 2019 08:53:35 +0000. Up 24.40 seconds. Cloud-init v. 19.2-36-g059d049c-0ubuntu1~18.04.1 running 'modules:final' at Thu, 10 Oct 2019 08:53:36 +0000. Up 25.32 seconds. Cloud-init v. 19.2-36-g059d049c-0ubuntu1~18.04.1 finished at Thu, 10 Oct 2019 08:53:36 +0000. Datasource DataSourceEc2Local. Up 25.43 seconds Cloud-init v. 19.2-36-g059d049c-0ubuntu2~18.04.1 running 'init-local' at Thu, 10 Oct 2019 09:15:51 +0000. Up 16.36 seconds. Cloud-init v. 19.2-36-g059d049c-0ubuntu2~18.04.1 running 'init' at Thu, 10 Oct 2019 09:15:52 +0000. Up 17.47 seconds. ci-info: +++++++++++++++++++++++++++Net device info++++++++++++++++++++++++++++ ci-info: +--------+-------+-----------+-----------+-------+-------------------+ ci-info: | Device | Up | Address | Mask | Scope | Hw-Address | ci-info: +--------+-------+-----------+-----------+-------+-------------------+ ci-info: | ens5 | False | . | . | . | 06:c1:88:5c:97:58 | ci-info: | lo | True | 127.0.0.1 | 255.0.0.0 | host | . | ci-info: | lo | True | ::1/128 | . | host | . | ci-info: +--------+-------+-----------+-----------+-------+-------------------+ ci-info: +++++++++++++++++++Route IPv6 info+++++++++++++++++++ ci-info: +-------+-------------+---------+-----------+-------+ ci-info: | Route | Destination | Gateway | Interface | Flags | ci-info: +-------+-------------+---------+-----------+-------+ ci-info: +-------+-------------+---------+-----------+-------+ root@ip-172-31-40-235:/mnt# cat etc/netplan/50-cloud-init.yaml # This file is generated from information provided by # the datasource. Changes to it will not persist across an instance. # To disable cloud-init's network configuration capabilities, write a file # /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following: # network: {config: disabled} network: version: 2 ethernets: ens5: dhcp4: true dhcp6: true match: macaddress: 02:a8:af:c9:34:90 set-name: ens5 ``` To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-init/+bug/1847583/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp
