liminix/examples/udhcp6-script.fnl
2023-05-26 18:36:44 +01:00

55 lines
1.1 KiB
Fennel

(fn write-value [name value]
(with-open [fout (io.open name :w)]
(when value (fout:write value))))
(write-value "state" (. arg 2))
(write-value "ifname" (. arg 1))
(fn write-value-from-env [name]
(write-value name (os.getenv (string.upper name))))
(let [wanted
[
:addresses
:aftr
:cer
:domains
:lw406
:mape
:mapt
:ntp_fqdn
:ntp_ip
:option_1
:option_2
:option_3
:option_4
:option_5
:passthru
:prefixes
:ra_addresses
:ra_dns
:ra_domains
:ra_hoplimit
:ra_mtu
:ra_reachable
:ra_retransmit
:ra_routes
:rdnss
:server
:sip_domain
:sip_ip
:sntp_ip
:sntp_fqdn
]]
(each [_ n (ipairs wanted)]
(write-value-from-env n)))
(let [ready (match state
"started" false
"unbound" false
"stopped" false
_ true)]
(and ready
(with-open [fd (io.open "/proc/self/fd/10" :w)] (fd:write "\n"))))