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Using ' pre hook', ' post hook', ' renew hook' and ' reload cmd'
Those hooks are only accepted by the
--issue command, but will be saved and apply to
--cron commands as well. As such it can be a good way to do things (like close and re-open a server, or notify of updates) that need to happen only when issuance is actually attempted.
acme.sh --issue -d example.com \ --pre-hook "echo this is pre hook that happens before attempting to issue a certificate." \ --post-hook "echo this is post hook that happens after attempting to issue a certificate." \ --renew-hook "echo this will be called when certs are successfully renewed." .......
Note: to reload the web server when installing certificates, there is a related command:
acme.sh --install-cert \ ..... \ --reloadcmd "echo this runs after successfully installing certificates."
Keep in mind that when running
--cron, any newly-renewed certificates will automatically be installed, and the reloadcmd will be run. Consequently, if you are using
--post-hook to stop and restart a web server, you probably don't want to also reload it in reloadcmd. Since
--install-cert is typically only run once, you can just do this by hand.