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prometheus-node-exporter-lua: fix waiting for interface

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Instead of waiting for interface to be up,
wait for it to have IPs, as this is what we need.

Also do not call procd_open_instance when not ready.

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>
This commit is contained in:
Etienne Champetier
2022-06-12 23:03:06 -04:00
parent 0c74ab9a79
commit 1dd46bca62
2 changed files with 13 additions and 10 deletions
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21
utils/prometheus-node-exporter-lua/files/etc/init.d/prometheus-node-exporter-lua
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@@ -11,13 +11,22 @@ _log() {
start_service() {
. /lib/functions/network.sh
local interface port bind
local interface port 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
[ "$interface" = "*" ] || {
network_get_ipaddr bind4 "$interface"
network_get_ipaddr6 bind6 "$interface"
[ -n "$bind4$bind6" ] || {
_log "defering start until listen interface $interface becomes ready"
return 0
}
}
procd_open_instance
procd_set_param command /usr/sbin/uhttpd -f -c /dev/null -l / -L /usr/bin/prometheus-node-exporter-lua
@@ -26,14 +35,8 @@ start_service() {
if [ "$interface" = "*" ]; then
procd_append_param command -p $port
else
network_is_up "$interface" || {
_log "defering start until listen interface $interface becomes ready"
return 0
}
network_get_ipaddr6 bind "$interface"
[ -n "$bind" ] && procd_append_param command -p [$bind]:$port
network_get_ipaddr bind "$interface"
[ -n "$bind" ] && procd_append_param command -p $bind:$port
[ -n "$bind4" ] && procd_append_param command -p $bind4:$port
[ -n "$bind6" ] && procd_append_param command -p [$bind6]:$port
fi
procd_set_param stdout 1