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PrivateTmp needs to be disabled, otherwise we can not load the current
VyOS configuration to reconfigure the service automatically when certbot
runs.
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CRON is not used for certbot as pki starts the certbot timer.
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Certbot renewal command in op-mode "renew certbot" only works if any of the
certificates is up for renewal. There is no CLI option to forcefully renew a
certificate. This is about adding a force option to the CLI and with this
addition move the entire certbot renew handling to new-style op-mode commands.
vyos@vyos:~$ renew certbot force
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Processing /config/auth/letsencrypt/renewal/vyos.conf
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Renewing an existing certificate for vyos.io
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Congratulations, all renewals succeeded:
/config/auth/letsencrypt/live/vyos/fullchain.pem (success)
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Hook 'post-hook' ran with output:
Updating certificates in /etc/ssl/certs...
0 added, 0 removed; done.
Running hooks in /etc/ca-certificates/update.d...
done.
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The "idea" of this PR is to add new CLI nodes under the pki subsystem to
activate ACME for any given certificate.
vyos@vyos# set pki certificate NAME acme
Possible completions:
+ domain-name Domain Name
email Email address to associate with certificate
listen-address Local IPv4 addresses to listen on
rsa-key-size Size of the RSA key (default: 2048)
url Remote URL (default:
https://acme-v02.api.letsencrypt.org/directory)
Users choose if the CLI based custom certificates are used
set pki certificate EXAMPLE acme certificate <base64>
or if it should be generated via ACME.
The ACME server URL defaults to LetsEncrypt but can be changed to their staging
API for testing to not get blacklisted.
set pki certificate EXAMPLE acme url https://acme-staging-v02.api.letsencrypt.org/directory
Certificate retrieval has a certbot --dry-run stage in verify() to see if it
can be generated.
After successful generation, the certificate is stored in under
/config/auth/letsencrypt. Once a certificate is referenced in the CLI (e.g. set
interfaces ethernet eth0 eapol certificate EXAMPLE) we call
vyos.config.get_config_dict() which will (if with_pki=True is set) blend in the
base64 encoded certificate into the JSON data structure normally used when
using a certificate set by the CLI.
Using this "design" does not need any change to any other code referencing the
PKI system, as the base64 encoded certificate is already there.
certbot renewal will call the PKI python script to trigger dependency updates.
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