canonical / cloud-init

Official upstream for the cloud-init: cloud instance initialization

https://cloud-init.io/

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[docs]: explain cloud-config sources and hooks #4177

Open aciba90 opened 1 year ago

aciba90 commented 1 year ago

Documentation request

Create a tutorial / how-to guide outlying from a high-level POV:

how all the cloud-config sources interconnect
what the default merge priority is / how to override the merge priority
how different personas can hook into them
how to inject instance metadata vars (jinja templating) in cloud-config
pointing to the reference / explanation guides of these features

This idea comes from https://github.com/canonical/cloud-init/pull/4155 and other questions related to templating and these concepts on IRC.

aciba90 commented 1 year ago

Tracking in SC-1570