| === cpaelzer__ is now known as cpaelzer | ||
| Odd_Bloke | rharper: blackboxsw: https://code.launchpad.net/~daniel-thewatkins/cloud-init/+git/cloud-init/+merge/371053 <-- should be ready for re-review | 17:06 |
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| Odd_Bloke | (Don't land it yet though, I'll want to do a final smoke test on Oracle with all changes included before it lands.) | 17:07 |
| rharper | Odd_Bloke: cool | 17:39 |
| danielmarquard | o/ hello! curious if anyone could provide guidance or a link to documentation on how and where cloud-init executes user data and downloads public keys. we track a single config for our centos AMI, built on-prem. it creates a user, but doesn't explicitly make any mata data calls, yet userdata executes by default. trying to understand how cloud-init knows to do these things by default and how the behavior can be changed | 20:34 |
| rharper | danielmarquard: hi, depending on the platform you launch an instance, the Datasource used is different, for example on EC2, cloud-init will certain metadata calls per that class, and if launched in Azure, it will make others. what exactly do you need to do? | 21:00 |
| rharper | https://cloudinit.readthedocs.io/en/latest/topics/modules.html#ssh https://cloudinit.readthedocs.io/en/latest/topics/modules.html#ssh-import-id are two modules which can import ssh keys | 21:02 |
| danielmarquard | rharper, thanks for the docs. ultimately, we need to ensure that our custom runcmd stanza executes before userdata | 21:43 |
| rharper | you likely want bootcmd | 21:44 |
| rharper | that runs early | 21:44 |
| danielmarquard | perfect, that sounds about right. thanks for the guidance :) | 21:44 |
| rharper | danielmarquard: it's worth looking at /etc/cloud/cloud.cfg to see the config_*_module lists, that shows the order in which modules are run; bootcmd runs early, but it also runs before the user is created; so that may present a problem depending on your script. | 21:46 |
| danielmarquard | we're expanding all partitions in the root volume on a per-instance basis. will keep that module prioritization in mind. thanks! | 21:48 |
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