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Systemd Units Plugin

The systemd_units plugin gathers systemd unit status on Linux. It relies on systemctl list-units --all --type=service to collect data on service status.

The results are tagged with the unit name and provide enumerated fields for loaded, active and running fields, indicating the unit health.

This plugin is related to the win_services module, which fulfills the same purpose on windows.

In addition to services, this plugin can gather other unit types as well, see systemctl list-units --all --type help for possible options.

Configuration

[[inputs.systemd_units]]
  ## Set timeout for systemctl execution
  # timeout = "1s"
  #
  ## Filter for a specific unit type, default is "service", other possible
  ## values are "socket", "target", "device", "mount", "automount", "swap",
  ## "timer", "path", "slice" and "scope ":
  # unittype = "service"

Metrics

  • systemd_units:
    • tags:
      • name (string, unit name)
      • load (string, load state)
      • active (string, active state)
      • sub (string, sub state)
    • fields:
      • load_code (int, see below)
      • active_code (int, see below)
      • sub_code (int, see below)

Load

enumeration of unit_load_state_table

Value Meaning Description
0 loaded unit is ~
1 stub unit is ~
2 not-found unit is ~
3 bad-setting unit is ~
4 error unit is ~
5 merged unit is ~
6 masked unit is ~

Active

enumeration of unit_active_state_table

Value Meaning Description
0 active unit is ~
1 reloading unit is ~
2 inactive unit is ~
3 failed unit is ~
4 activating unit is ~
5 deactivating unit is ~

Sub

enumeration of sub states, see various unittype_state_tables; duplicates were removed, tables are hex aligned to keep some space for future values

Value Meaning Description
service_state_table start at 0x0000
0x0000 running unit is ~
0x0001 dead unit is ~
0x0002 start-pre unit is ~
0x0003 start unit is ~
0x0004 exited unit is ~
0x0005 reload unit is ~
0x0006 stop unit is ~
0x0007 stop-watchdog unit is ~
0x0008 stop-sigterm unit is ~
0x0009 stop-sigkill unit is ~
0x000a stop-post unit is ~
0x000b final-sigterm unit is ~
0x000c failed unit is ~
0x000d auto-restart unit is ~
service_state_table start at 0x0010
0x0010 waiting unit is ~
service_state_table start at 0x0020
0x0020 tentative unit is ~
0x0021 plugged unit is ~
service_state_table start at 0x0030
0x0030 mounting unit is ~
0x0031 mounting-done unit is ~
0x0032 mounted unit is ~
0x0033 remounting unit is ~
0x0034 unmounting unit is ~
0x0035 remounting-sigterm unit is ~
0x0036 remounting-sigkill unit is ~
0x0037 unmounting-sigterm unit is ~
0x0038 unmounting-sigkill unit is ~
service_state_table start at 0x0040
service_state_table start at 0x0050
0x0050 abandoned unit is ~
service_state_table start at 0x0060
0x0060 active unit is ~
service_state_table start at 0x0070
0x0070 start-chown unit is ~
0x0071 start-post unit is ~
0x0072 listening unit is ~
0x0073 stop-pre unit is ~
0x0074 stop-pre-sigterm unit is ~
0x0075 stop-pre-sigkill unit is ~
0x0076 final-sigkill unit is ~
service_state_table start at 0x0080
0x0080 activating unit is ~
0x0081 activating-done unit is ~
0x0082 deactivating unit is ~
0x0083 deactivating-sigterm unit is ~
0x0084 deactivating-sigkill unit is ~
service_state_table start at 0x0090
service_state_table start at 0x00a0
0x00a0 elapsed unit is ~

Example Output

systemd_units,host=host1.example.com,name=dbus.service,load=loaded,active=active,sub=running load_code=0i,active_code=0i,sub_code=0i 1533730725000000000
systemd_units,host=host1.example.com,name=networking.service,load=loaded,active=failed,sub=failed load_code=0i,active_code=3i,sub_code=12i 1533730725000000000
systemd_units,host=host1.example.com,name=ssh.service,load=loaded,active=active,sub=running load_code=0i,active_code=0i,sub_code=0i 1533730725000000000
...