pki: T6481: auto import ACME certificate chain into CLI (backport #4118) #4140
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Change Summary
When using an ACME based certificate with VyOS we provide the necessary PEM files opaque in the background when using the internal tools. This however will not properly work with the CA chain portion, as the system is based on the "pki certificate acme" CLI node of a certificate but CA chains reside under "pki ca".
This adds support for importing the PEM data of a CA chain issued via ACME into the "pki ca AUTOCHAIN_ certificate" subsystem so it can be queried by other daemons. Importing the chain only happens, when the chain was not already added manually by the user.
ACME certificate chains that are automatically added to the CLI are all prefixed using AUTOCHAIN_certname so they can be consumed by any daemon. This also adds a safeguard when the intermediate CA changes, the referenced name on the CLI stays consitent for any pending daemon updates.
Types of changes
Related Task(s)
Related PR(s)
Component(s) name
PKI, ACME
Proposed changes
How to test
Smoketest result
Checklist:
This is an automatic backport of pull request #4118 done by [Mergify](https://mergify.com).