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prometheus-node-exporter-lua: add HTTPS support

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With valid 'cert'/'key' config, prometheus-node-exporter-lua
will respond to https instead of http on 'listen_port'.

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>
This commit is contained in:
Etienne Champetier
2025-06-23 10:19:03 -04:00
parent 377f537aa3
commit 73f9b9ab79
3 changed files with 18 additions and 7 deletions
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2
utils/prometheus-node-exporter-lua/files/etc/config/prometheus-node-exporter-lua
View File

@@ -1,3 +1,5 @@
config prometheus-node-exporter-lua 'main'
option listen_interface 'loopback'
option listen_port '9100'
#option cert '/etc/uhttpd.crt'
#option key '/etc/uhttpd.key'

21
utils/prometheus-node-exporter-lua/files/etc/init.d/prometheus-node-exporter-lua
View File

@@ -11,12 +11,14 @@ _log() {
start_service() {
. /lib/functions/network.sh
local interface port bind4 bind6
local interface port listenflag cert key bind4 bind6
config_load prometheus-node-exporter-lua.main
config_get keepalive "main" http_keepalive 70
config_get interface "main" listen_interface "loopback"
config_get port "main" listen_port 9100
config_get cert "main" cert
config_get key "main" key
[ "$interface" = "*" ] || {
network_get_ipaddr bind4 "$interface"
@@ -25,18 +27,25 @@ start_service() {
_log "defering start until listen interface $interface becomes ready"
return 0
}
}
}
procd_open_instance
procd_set_param command /usr/sbin/uhttpd -f -c /dev/null -l / -L /usr/bin/prometheus-node-exporter-lua
[ $keepalive -gt 0 ] && procd_append_param command -k $keepalive
if [ "$interface" = "*" ]; then
procd_append_param command -p $port
if [ -f "$cert" -a -f "$key" ]; then
listenflag=-s
procd_append_param command -C $cert -K $key
else
[ -n "$bind4" ] && procd_append_param command -p $bind4:$port
[ -n "$bind6" ] && procd_append_param command -p [$bind6]:$port
listenflag=-p
fi
if [ "$interface" = "*" ]; then
procd_append_param command $listenflag $port
else
[ -n "$bind4" ] && procd_append_param command $listenflag $bind4:$port
[ -n "$bind6" ] && procd_append_param command $listenflag [$bind6]:$port
fi
procd_set_param stdout 1