I linked a couple other bugs here. What I think we should do is have local datasources set the hostname (`hostname <foo>`) and update the system's config (write to /etc/hostname) at local time frame once per instance.
Then, on that first instance boot, the dhcp would occur with the cloud- provider provided hostname. That could be overridden by local system config (preserve_hostname) so that it would not happen. It seems to me to make sense right now for this to *only* happen at local time frame. ** Description changed: Launch an instance on Azure (20171005.1) and I find in /var/log/cloud-init.log the following: 2017-10-10 21:16:25,598 - DataSourceAzure.py[WARNING]: Failed publishing hostname: Unexpected error while running command. Command: ['sh', '-xc', 'i=$interface; x=0; ifdown $i || x=$?; ifup $i || x=$?; exit $x'] Exit code: 127 Reason: - Stdout: - Stderr: - 2017-10-10 21:16:25,598 - util.py[WARNING]: handling set_hostname failed 2017-10-10 21:16:25,598 - util.py[DEBUG]: handling set_hostname failed Traceback (most recent call last): - File "/usr/lib/python3/dist-packages/cloudinit/sources/DataSourceAzure.py", line 286, in bounce_network_with_azure_hostname - prev_hostname=previous_hostname) - File "/usr/lib/python3/dist-packages/cloudinit/sources/DataSourceAzure.py", line 637, in perform_hostname_bounce - 'env': env}) - File "/usr/lib/python3/dist-packages/cloudinit/util.py", line 2238, in log_time - ret = func(*args, **kwargs) - File "/usr/lib/python3/dist-packages/cloudinit/util.py", line 1847, in subp - cmd=args) + File "/usr/lib/python3/dist-packages/cloudinit/sources/DataSourceAzure.py", line 286, in bounce_network_with_azure_hostname + prev_hostname=previous_hostname) + File "/usr/lib/python3/dist-packages/cloudinit/sources/DataSourceAzure.py", line 637, in perform_hostname_bounce + 'env': env}) + File "/usr/lib/python3/dist-packages/cloudinit/util.py", line 2238, in log_time + ret = func(*args, **kwargs) + File "/usr/lib/python3/dist-packages/cloudinit/util.py", line 1847, in subp + cmd=args) cloudinit.util.ProcessExecutionError: Unexpected error while running command. Command: ['sh', '-xc', 'i=$interface; x=0; ifdown $i || x=$?; ifup $i || x=$?; exit $x'] Exit code: 127 Reason: - Stdout: - Stderr: - - - The command output is not captured, so we see in /var/log/cloud-init-output.log: + The command output is not captured, so we see in /var/log/cloud-init- + output.log: + i=eth0 + x=0 + ifdown eth0 sh: 1: ifdown: not found + x=127 + ifup eth0 sh: 1: ifup: not found + x=127 + exit 127 - This is not surprising, there is no 'ifup' or 'ifdown', so the attempt to "bounce" the network device in order to re-publish the hostname that has been set will fail. ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: cloud-init 17.1-17-g45d361cb-0ubuntu1 ProcVersionSignature: Ubuntu 4.13.0-12.13-generic 4.13.3 Uname: Linux 4.13.0-12-generic x86_64 ApportVersion: 2.20.7-0ubuntu2 Architecture: amd64 CloudName: Azure Date: Tue Oct 10 21:45:09 2017 PackageArchitecture: all ProcEnviron: - TERM=xterm-256color - PATH=(custom, no user) - LANG=C.UTF-8 - SHELL=/bin/bash + TERM=xterm-256color + PATH=(custom, no user) + LANG=C.UTF-8 + SHELL=/bin/bash SourcePackage: cloud-init UpgradeStatus: No upgrade log present (probably fresh install) user_data.txt: + + Related bugs: + * bug 1674685: hostname ddns update is not done on azure with built-in agent path. + * bug 1574963: juju2 lxd launch hostname reverse lookup inconsistent -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1722668 Title: Azure: bouncing of network device/publishing of hostname fails on artful To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-init/+bug/1722668/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
