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

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (C) 2013-2017 OpenWrt.org
   3
   4 START=60
   5 USE_PROCD=1
   6
   7 _log() {
   8         logger -p daemon.info -t prometheus-node-exporter-lua "$@"
   9 }
  10
  11 start_service() {
  12         . /lib/functions/network.sh
  13
  14         local interface port bind
  15
  16         config_load prometheus-node-exporter-lua.main
  17         config_get keepalive "main" http_keepalive 70
  18         config_get interface "main" listen_interface "loopback"
  19         config_get port "main" listen_port 9100
  20
  21         procd_open_instance
  22
  23         procd_set_param command /usr/sbin/uhttpd -f -c /dev/null -l / -L /usr/bin/prometheus-node-exporter-lua
  24         [ $keepalive -gt 0 ] && procd_append_param command -k $keepalive
  25
  26         if [ "$interface" = "*" ]; then
  27                 procd_append_param command -p $port
  28         else
  29                 network_is_up "$interface" || {
  30                         _log "defering start until listen interface $interface becomes ready"
  31                         return 0
  32                 }
  33                 network_get_ipaddr6 bind "$interface"
  34                 [ -n "$bind" ] && procd_append_param command -p [$bind]:$port
  35                 network_get_ipaddr bind "$interface"
  36                 [ -n "$bind" ] && procd_append_param command -p $bind:$port
  37         fi
  38
  39         procd_set_param stdout 1
  40         procd_set_param stderr 1
  41         procd_set_param respawn
  42
  43         procd_close_instance
  44 }
  45
  46 service_triggers()
  47 {
  48         local interface
  49
  50         procd_add_reload_trigger "prometheus-node-exporter-lua"
  51
  52         config_load prometheus-node-exporter-lua.main
  53         config_get interface "main" listen_interface "loopback"
  54
  55         [ "$interface" = "*" ] || procd_add_reload_interface_trigger "$interface"
  56 }