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 "$@"
   9 }
  10
  11 start_service() {
  12         . /lib/functions/network.sh
  13
  14         local interface ipv6 port bind
  15
  16         config_load prometheus-node-exporter-lua.main
  17         config_get interface "main" listen_interface "loopback"
  18         config_get_bool ipv6 "main" listen_ipv6 0
  19         config_get port "main" listen_port 9100
  20
  21         if [ "$interface" = "*" ]; then
  22                 [ "$ipv6" = 1 ] && bind="::" || bind="0.0.0.0"
  23         else
  24                 if [ "$ipv6" = 1 ]; then
  25                         network_get_ipaddr6 bind "$interface"
  26                 else
  27                         network_get_ipaddr bind "$interface"
  28                 fi
  29
  30                 network_is_up "$interface" && [ -n "$bind" ] || {
  31                         _log "defering start until listen interface $interface becomes ready"
  32                         return 0
  33                 }
  34         fi
  35
  36         procd_open_instance
  37
  38         procd_set_param command /usr/bin/prometheus-node-exporter-lua
  39         procd_append_param command --bind ${bind}
  40         procd_append_param command --port ${port}
  41
  42         procd_set_param stdout 1
  43         procd_set_param stderr 1
  44         procd_set_param respawn
  45
  46         procd_close_instance
  47 }
  48
  49 service_triggers()
  50 {
  51         local interface
  52
  53         procd_add_reload_trigger "prometheus-node-exporter-lua"
  54
  55         config_load prometheus-node-exporter-lua.main
  56         config_get interface "main" listen_interface "loopback"
  57
  58         [ "$interface" = "*" ] || procd_add_reload_interface_trigger "$interface"
  59 }