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+# Appendix <a id="appendix"></a>
+
+## External Commands List <a id="external-commands-list-detail"></a>
+
+Additional details can be found in the [Icinga 1.x Documentation](https://docs.icinga.com/latest/en/extcommands2.html)
+
+ Command name | Parameters | Description
+ ------------------------------------------|-----------------------------------|--------------------------
+ PROCESS_HOST_CHECK_RESULT | ;&lt;host_name&gt;;&lt;status_code&gt;;&lt;plugin_output&gt; (3) | -
+ PROCESS_SERVICE_CHECK_RESULT | ;&lt;host_name&gt;;&lt;service_name&gt;;&lt;return_code&gt;;&lt;plugin_output&gt; (4) | -
+ SCHEDULE_HOST_CHECK | ;&lt;host_name&gt;;&lt;check_time&gt; (2) | -
+ SCHEDULE_FORCED_HOST_CHECK | ;&lt;host_name&gt;;&lt;check_time&gt; (2) | -
+ SCHEDULE_SVC_CHECK | ;&lt;host_name&gt;;&lt;service_name&gt;;&lt;check_time&gt; (3) | -
+ SCHEDULE_FORCED_SVC_CHECK | ;&lt;host_name&gt;;&lt;service_name&gt;;&lt;check_time&gt; (3) | -
+ ENABLE_HOST_CHECK | ;&lt;host_name&gt; (1) | -
+ DISABLE_HOST_CHECK | ;&lt;host_name&gt; (1) | -
+ ENABLE_SVC_CHECK | ;&lt;host_name&gt;;&lt;service_name&gt; (2) | -
+ DISABLE_SVC_CHECK | ;&lt;host_name&gt;;&lt;service_name&gt; (2) | -
+ SHUTDOWN_PROCESS | - | -
+ RESTART_PROCESS | - | -
+ SCHEDULE_FORCED_HOST_SVC_CHECKS | ;&lt;host_name&gt;;&lt;check_time&gt; (2) | -
+ SCHEDULE_HOST_SVC_CHECKS | ;&lt;host_name&gt;;&lt;check_time&gt; (2) | -
+ ENABLE_HOST_SVC_CHECKS | ;&lt;host_name&gt; (1) | -
+ DISABLE_HOST_SVC_CHECKS | ;&lt;host_name&gt; (1) | -
+ ACKNOWLEDGE_SVC_PROBLEM | ;&lt;host_name&gt;;&lt;service_name&gt;;&lt;sticky&gt;;&lt;notify&gt;;&lt;persistent&gt;;&lt;author&gt;;&lt;comment&gt; (7) | Note: Icinga 2 treats all comments as persistent.
+ ACKNOWLEDGE_SVC_PROBLEM_EXPIRE | ;&lt;host_name&gt;;&lt;service_name&gt;;&lt;sticky&gt;;&lt;notify&gt;;&lt;persistent&gt;;&lt;timestamp&gt;;&lt;author&gt;;&lt;comment&gt; (8) | Note: Icinga 2 treats all comments as persistent.
+ REMOVE_SVC_ACKNOWLEDGEMENT | ;&lt;host_name&gt;;&lt;service_name&gt; (2) | -
+ ACKNOWLEDGE_HOST_PROBLEM | ;&lt;host_name&gt;;&lt;sticky&gt;;&lt;notify&gt;;&lt;persistent&gt;;&lt;author&gt;;&lt;comment&gt; (6) | Note: Icinga 2 treats all comments as persistent.
+ ACKNOWLEDGE_HOST_PROBLEM_EXPIRE | ;&lt;host_name&gt;;&lt;sticky&gt;;&lt;notify&gt;;&lt;persistent&gt;;&lt;timestamp&gt;;&lt;author&gt;;&lt;comment&gt; (7) | Note: Icinga 2 treats all comments as persistent.
+ REMOVE_HOST_ACKNOWLEDGEMENT | ;&lt;host_name&gt; (1) | -
+ DISABLE_HOST_FLAP_DETECTION | ;&lt;host_name&gt; (1) | -
+ ENABLE_HOST_FLAP_DETECTION | ;&lt;host_name&gt; (1) | -
+ DISABLE_SVC_FLAP_DETECTION | ;&lt;host_name&gt;;&lt;service_name&gt; (2) | -
+ ENABLE_SVC_FLAP_DETECTION | ;&lt;host_name&gt;;&lt;service_name&gt; (2) | -
+ ENABLE_HOSTGROUP_SVC_CHECKS | ;&lt;hostgroup_name&gt; (1) | -
+ DISABLE_HOSTGROUP_SVC_CHECKS | ;&lt;hostgroup_name&gt; (1) | -
+ ENABLE_SERVICEGROUP_SVC_CHECKS | ;&lt;servicegroup_name&gt; (1) | -
+ DISABLE_SERVICEGROUP_SVC_CHECKS | ;&lt;servicegroup_name&gt; (1) | -
+ ENABLE_PASSIVE_HOST_CHECKS | ;&lt;host_name&gt; (1) | -
+ DISABLE_PASSIVE_HOST_CHECKS | ;&lt;host_name&gt; (1) | -
+ ENABLE_PASSIVE_SVC_CHECKS | ;&lt;host_name&gt;;&lt;service_name&gt; (2) | -
+ DISABLE_PASSIVE_SVC_CHECKS | ;&lt;host_name&gt;;&lt;service_name&gt; (2) | -
+ ENABLE_SERVICEGROUP_PASSIVE_SVC_CHECKS | ;&lt;servicegroup_name&gt; (1) | -
+ DISABLE_SERVICEGROUP_PASSIVE_SVC_CHECKS | ;&lt;servicegroup_name&gt; (1) | -
+ ENABLE_HOSTGROUP_PASSIVE_SVC_CHECKS | ;&lt;hostgroup_name&gt; (1) | -
+ DISABLE_HOSTGROUP_PASSIVE_SVC_CHECKS | ;&lt;hostgroup_name&gt; (1) | -
+ PROCESS_FILE | ;&lt;file_name&gt;;&lt;delete&gt; (2) | -
+ SCHEDULE_SVC_DOWNTIME | ;&lt;host_name&gt;;&lt;service_name&gt;;&lt;start_time&gt;;&lt;end_time&gt;;&lt;fixed&gt;;&lt;trigger_id&gt;;&lt;duration&gt;;&lt;author&gt;;&lt;comment&gt; (9) | -
+ DEL_SVC_DOWNTIME | ;&lt;downtime_id&gt; (1) | -
+ SCHEDULE_AND_PROPAGATE_HOST_DOWNTIME | ;&lt;host_name&gt;;&lt;start_time&gt;;&lt;end_time&gt;;&lt;fixed&gt;;&lt;trigger_id&gt;;&lt;duration&gt;;&lt;author&gt;;&lt;comment&gt; (8) | -
+ SCHEDULE_AND_PROPAGATE_TRIGGERED_HOST_DOWNTIME | ;&lt;host_name&gt;;&lt;start_time&gt;;&lt;end_time&gt;;&lt;fixed&gt;;&lt;trigger_id&gt;;&lt;duration&gt;;&lt;author&gt;;&lt;comment&gt; (8) | -
+ SCHEDULE_HOST_DOWNTIME | ;&lt;host_name&gt;;&lt;start_time&gt;;&lt;end_time&gt;;&lt;fixed&gt;;&lt;trigger_id&gt;;&lt;duration&gt;;&lt;author&gt;;&lt;comment&gt; (8) | -
+ DEL_HOST_DOWNTIME | ;&lt;downtime_id&gt; (1) | -
+ DEL_DOWNTIME_BY_HOST_NAME | ;&lt;host_name&gt;[;&lt;service_name;&gt;[;&lt;start_time;&gt;[;&lt;comment_text;&gt;]]] (1) | -
+ SCHEDULE_HOST_SVC_DOWNTIME | ;&lt;host_name&gt;;&lt;start_time&gt;;&lt;end_time&gt;;&lt;fixed&gt;;&lt;trigger_id&gt;;&lt;duration&gt;;&lt;author&gt;;&lt;comment&gt; (8) | -
+ SCHEDULE_HOSTGROUP_HOST_DOWNTIME | ;&lt;hostgroup_name&gt;;&lt;start_time&gt;;&lt;end_time&gt;;&lt;fixed&gt;;&lt;trigger_id&gt;;&lt;duration&gt;;&lt;author&gt;;&lt;comment&gt; (8) | -
+ SCHEDULE_HOSTGROUP_SVC_DOWNTIME | ;&lt;hostgroup_name&gt;;&lt;start_time&gt;;&lt;end_time&gt;;&lt;fixed&gt;;&lt;trigger_id&gt;;&lt;duration&gt;;&lt;author&gt;;&lt;comment&gt; (8) | -
+ SCHEDULE_SERVICEGROUP_HOST_DOWNTIME | ;&lt;servicegroup_name&gt;;&lt;start_time&gt;;&lt;end_time&gt;;&lt;fixed&gt;;&lt;trigger_id&gt;;&lt;duration&gt;;&lt;author&gt;;&lt;comment&gt; (8) | -
+ SCHEDULE_SERVICEGROUP_SVC_DOWNTIME | ;&lt;servicegroup_name&gt;;&lt;start_time&gt;;&lt;end_time&gt;;&lt;fixed&gt;;&lt;trigger_id&gt;;&lt;duration&gt;;&lt;author&gt;;&lt;comment&gt; (8) | -
+ ADD_HOST_COMMENT | ;&lt;host_name&gt;;&lt;persistent&gt;;&lt;author&gt;;&lt;comment&gt; (4) | Note: Icinga 2 treats all comments as persistent.
+ DEL_HOST_COMMENT | ;&lt;comment_id&gt; (1) | -
+ ADD_SVC_COMMENT | ;&lt;host_name&gt;;&lt;service_name&gt;;&lt;persistent&gt;;&lt;author&gt;;&lt;comment&gt; (5) | Note: Icinga 2 treats all comments as persistent.
+ DEL_SVC_COMMENT | ;&lt;comment_id&gt; (1) | -
+ DEL_ALL_HOST_COMMENTS | ;&lt;host_name&gt; (1) | -
+ DEL_ALL_SVC_COMMENTS | ;&lt;host_name&gt;;&lt;service_name&gt; (2) | -
+ SEND_CUSTOM_HOST_NOTIFICATION | ;&lt;host_name&gt;;&lt;options&gt;;&lt;author&gt;;&lt;comment&gt; (4) | -
+ SEND_CUSTOM_SVC_NOTIFICATION | ;&lt;host_name&gt;;&lt;service_name&gt;;&lt;options&gt;;&lt;author&gt;;&lt;comment&gt; (5) | -
+ DELAY_HOST_NOTIFICATION | ;&lt;host_name&gt;;&lt;notification_time&gt; (2) | -
+ DELAY_SVC_NOTIFICATION | ;&lt;host_name&gt;;&lt;service_name&gt;;&lt;notification_time&gt; (3) | -
+ ENABLE_HOST_NOTIFICATIONS | ;&lt;host_name&gt; (1) | -
+ DISABLE_HOST_NOTIFICATIONS | ;&lt;host_name&gt; (1) | -
+ ENABLE_SVC_NOTIFICATIONS | ;&lt;host_name&gt;;&lt;service_name&gt; (2) | -
+ DISABLE_SVC_NOTIFICATIONS | ;&lt;host_name&gt;;&lt;service_name&gt; (2) | -
+ ENABLE_HOST_SVC_NOTIFICATIONS | ;&lt;host_name&gt; (1) | -
+ DISABLE_HOST_SVC_NOTIFICATIONS | ;&lt;host_name&gt; (1) | -
+ DISABLE_HOSTGROUP_HOST_CHECKS | ;&lt;hostgroup_name&gt; (1) | -
+ DISABLE_HOSTGROUP_PASSIVE_HOST_CHECKS | ;&lt;hostgroup_name&gt; (1) | -
+ DISABLE_SERVICEGROUP_HOST_CHECKS | ;&lt;servicegroup_name&gt; (1) | -
+ DISABLE_SERVICEGROUP_PASSIVE_HOST_CHECKS | ;&lt;servicegroup_name&gt; (1) | -
+ ENABLE_HOSTGROUP_HOST_CHECKS | ;&lt;hostgroup_name&gt; (1) | -
+ ENABLE_HOSTGROUP_PASSIVE_HOST_CHECKS | ;&lt;hostgroup_name&gt; (1) | -
+ ENABLE_SERVICEGROUP_HOST_CHECKS | ;&lt;servicegroup_name&gt; (1) | -
+ ENABLE_SERVICEGROUP_PASSIVE_HOST_CHECKS | ;&lt;servicegroup_name&gt; (1) | -
+ ENABLE_NOTIFICATIONS | - | -
+ DISABLE_NOTIFICATIONS | - | -
+ ENABLE_FLAP_DETECTION | - | -
+ DISABLE_FLAP_DETECTION | - | -
+ ENABLE_EVENT_HANDLERS | - | -
+ DISABLE_EVENT_HANDLERS | - | -
+ ENABLE_PERFORMANCE_DATA | - | -
+ DISABLE_PERFORMANCE_DATA | - | -
+ START_EXECUTING_HOST_CHECKS | - | -
+ STOP_EXECUTING_HOST_CHECKS | - | -
+ START_EXECUTING_SVC_CHECKS | - | -
+ STOP_EXECUTING_SVC_CHECKS | - | -
+ CHANGE_NORMAL_SVC_CHECK_INTERVAL | ;&lt;host_name&gt;;&lt;service_name&gt;;&lt;check_interval&gt; (3) | -
+ CHANGE_NORMAL_HOST_CHECK_INTERVAL | ;&lt;host_name&gt;;&lt;check_interval&gt; (2) | -
+ CHANGE_RETRY_SVC_CHECK_INTERVAL | ;&lt;host_name&gt;;&lt;service_name&gt;;&lt;check_interval&gt; (3) | -
+ CHANGE_RETRY_HOST_CHECK_INTERVAL | ;&lt;host_name&gt;;&lt;check_interval&gt; (2) | -
+ ENABLE_HOST_EVENT_HANDLER | ;&lt;host_name&gt; (1) | -
+ DISABLE_HOST_EVENT_HANDLER | ;&lt;host_name&gt; (1) | -
+ ENABLE_SVC_EVENT_HANDLER | ;&lt;host_name&gt;;&lt;service_name&gt; (2) | -
+ DISABLE_SVC_EVENT_HANDLER | ;&lt;host_name&gt;;&lt;service_name&gt; (2) | -
+ CHANGE_HOST_EVENT_HANDLER | ;&lt;host_name&gt;;&lt;event_command_name&gt; (2) | -
+ CHANGE_SVC_EVENT_HANDLER | ;&lt;host_name&gt;;&lt;service_name&gt;;&lt;event_command_name&gt; (3) | -
+ CHANGE_HOST_CHECK_COMMAND | ;&lt;host_name&gt;;&lt;check_command_name&gt; (2) | -
+ CHANGE_SVC_CHECK_COMMAND | ;&lt;host_name&gt;;&lt;service_name&gt;;&lt;check_command_name&gt; (3) | -
+ CHANGE_MAX_HOST_CHECK_ATTEMPTS | ;&lt;host_name&gt;;&lt;check_attempts&gt; (2) | -
+ CHANGE_MAX_SVC_CHECK_ATTEMPTS | ;&lt;host_name&gt;;&lt;service_name&gt;;&lt;check_attempts&gt; (3) | -
+ CHANGE_HOST_CHECK_TIMEPERIOD | ;&lt;host_name&gt;;&lt;timeperiod_name&gt; (2) | -
+ CHANGE_SVC_CHECK_TIMEPERIOD | ;&lt;host_name&gt;;&lt;service_name&gt;;&lt;timeperiod_name&gt; | -
+ CHANGE_CUSTOM_HOST_VAR | ;&lt;host_name&gt;;&lt;var_name&gt;;&lt;var_value&gt; (3) | -
+ CHANGE_CUSTOM_SVC_VAR | ;&lt;host_name&gt;;&lt;service_name&gt;;&lt;var_name&gt;;&lt;var_value&gt; (4) | -
+ CHANGE_CUSTOM_USER_VAR | ;&lt;user_name&gt;;&lt;var_name&gt;;&lt;var_value&gt; (3) | -
+ CHANGE_CUSTOM_CHECKCOMMAND_VAR | ;&lt;check_command_name&gt;;&lt;var_name&gt;;&lt;var_value&gt; (3) | -
+ CHANGE_CUSTOM_EVENTCOMMAND_VAR | ;&lt;event_command_name&gt;;&lt;var_name&gt;;&lt;var_value&gt; (3) | -
+ CHANGE_CUSTOM_NOTIFICATIONCOMMAND_VAR | ;&lt;notification_command_name&gt;;&lt;var_name&gt;;&lt;var_value&gt; (3) | -
+ ENABLE_HOSTGROUP_HOST_NOTIFICATIONS | ;&lt;hostgroup_name&gt; (1) | -
+ ENABLE_HOSTGROUP_SVC_NOTIFICATIONS | ;&lt;hostgroup_name&gt; (1) | -
+ DISABLE_HOSTGROUP_HOST_NOTIFICATIONS | ;&lt;hostgroup_name&gt; (1) | -
+ DISABLE_HOSTGROUP_SVC_NOTIFICATIONS | ;&lt;hostgroup_name&gt; (1) | -
+ ENABLE_SERVICEGROUP_HOST_NOTIFICATIONS | ;&lt;servicegroup_name&gt; (1) | -
+ DISABLE_SERVICEGROUP_HOST_NOTIFICATIONS | ;&lt;servicegroup_name&gt; (1) | -
+ ENABLE_SERVICEGROUP_SVC_NOTIFICATIONS | ;&lt;servicegroup_name&gt; (1) | -
+ DISABLE_SERVICEGROUP_SVC_NOTIFICATIONS | ;&lt;servicegroup_name&gt; (1) | -
+
+
+## Schemas <a id="schemas"></a>
+
+By convention `CheckCommand`, `EventCommand`, and `NotificationCommand` objects
+are exported using a prefix. This is mandatory for unique objects in the
+command tables.
+
+Object | Prefix
+------------------------|------------------------
+CheckCommand | check\_
+EventCommand | event\_
+NotificationCommand | notification\_
+
+### DB IDO Schema <a id="schema-db-ido"></a>
+
+There is a detailed documentation for the Icinga IDOUtils 1.x
+database schema available on [https://docs.icinga.com/latest/en/db_model.html]
+
+#### DB IDO Schema Extensions <a id="schema-db-ido-extensions"></a>
+
+Icinga 2 specific extensions are shown below:
+
+New table: `endpointstatus`
+
+ Table | Column | Type | Default | Description
+ --------------------|--------------------|----------|---------|-------------
+ endpoints | endpoint_object_id | bigint | NULL | FK: objects table
+ endpoints | identity | TEXT | NULL | endpoint name
+ endpoints | node | TEXT | NULL | local node name
+ endpoints | zone_object_id | bigint | NULL | zone object where this endpoint is a member of
+
+New table: `endpointstatus`
+
+ Table | Column | Type | Default | Description
+ --------------------|--------------------|----------|---------|-------------
+ endpointstatus | endpoint_object_id | bigint | NULL | FK: objects table
+ endpointstatus | identity | TEXT | NULL | endpoint name
+ endpointstatus | node | TEXT | NULL | local node name
+ endpointstatus | is_connected | smallint | 0 | update on endpoint connect/disconnect
+ endpointstatus | zone_object_id | bigint | NULL | zone object where this endpoint is a member of
+
+New tables: `zones` and `zonestatus`:
+
+ Table | Column | Type | Default | Description
+ --------------------|--------------------|----------|---------|-------------
+ zones | zone_object_id | bigint | NULL | FK: objects table
+ zones | parent_zone_object_id | bigint | NULL | FK: zones table
+ zones | is_global | smallint | 0 | zone is global
+
+
+New columns:
+
+ Table | Column | Type | Default | Description
+ --------------------|-------------------------|----------|---------|-------------
+ all status/history | endpoint_object_id | bigint | NULL | FK: objects table
+ servicestatus | check_source | TEXT | NULL | node name where check was executed
+ hoststatus | check_source | TEXT | NULL | node name where check was executed
+ statehistory | check_source | TEXT | NULL | node name where check was executed
+ servicestatus | is_reachable | integer | NULL | object reachability
+ hoststatus | is_reachable | integer | NULL | object reachability
+ logentries | object_id | bigint | NULL | FK: objects table (service associated with column)
+ {host,service}group | notes | TEXT | NULL | -
+ {host,service}group | notes_url | TEXT | NULL | -
+ {host,service}group | action_url | TEXT | NULL | -
+ customvariable* | is_json | integer | 0 | Defines whether `varvalue` is a json encoded string from custom variables, or not
+ servicestatus | original_attributes | TEXT | NULL | JSON encoded dictionary of original attributes if modified at runtime.
+ hoststatus | original_attributes | TEXT | NULL | JSON encoded dictionary of original attributes if modified at runtime.
+
+Additional command custom variables populated from 'vars' dictionary.
+Additional global custom variables populated from 'Vars' constant (object_id is NULL).
+
+### Livestatus Schema <a id="schema-livestatus"></a>
+
+#### Livestatus Schema Extensions <a id="schema-livestatus-extensions"></a>
+
+Icinga 2 specific extensions are shown below:
+
+New table: `endpoints`:
+
+ Table | Column
+ ----------|--------------
+ endpoints | name
+ endpoints | identity
+ endpoints | node
+ endpoints | is_connected
+ endpoints | zone
+
+New table: `zones`:
+
+ Table | Column
+ ----------|--------------
+ zone | name
+ zone | endpoints
+ zone | parent
+ zone | global
+
+New columns:
+
+ Table | Column
+ ----------|--------------
+ hosts | is_reachable
+ services | is_reachable
+ hosts | cv_is_json
+ services | cv_is_json
+ contacts | cv_is_json
+ hosts | check_source
+ services | check_source
+ downtimes | triggers
+ downtimes | trigger_time
+ commands | custom_variable_names
+ commands | custom_variable_values
+ commands | custom_variables
+ commands | modified_attributes
+ commands | modified_attributes_list
+ status | custom_variable_names
+ status | custom_variable_values
+ status | custom_variables
+ hosts | original_attributes
+ services | original_attributes
+
+Command custom variables reflect the local 'vars' dictionary.
+Status custom variables reflect the global 'Vars' constant.
+
+#### Livestatus Hosts Table Attributes <a id="schema-livestatus-hosts-table-attributes"></a>
+
+ Key | Type | Note
+ ----------------------|-----------|-------------------------
+ name | string | .
+ display_name | string | .
+ alias | string | same as display_name.
+ address | string | .
+ address6 | string | NEW in Icinga.
+ check_command | string | .
+ check_command_expanded | string | .
+ event_handler | string | .
+ notification_period | string | host with notifications: period.
+ check_period | string | .
+ notes | string | .
+ notes_expanded | string | .
+ notes_url | string | .
+ notes_url_expanded | string | .
+ action_url | string | .
+ action_url_expanded | string | .
+ plugin_output | string | .
+ perf_data | string | .
+ icon_image | string | .
+ icon_image_expanded | string | .
+ icon_image_alt | stirng | .
+ statusmap_image | string | .
+ long_plugin_output | string | .
+ max_check_attempts | int | .
+ flap_detection_enabled | int | .
+ check_freshness | int | .
+ process_performance_data | int | .
+ accept_passive_checks | int | .
+ event_handler_enabled | int | .
+ acknowledgement_type | int | Only 0 or 1.
+ check_type | int | .
+ last_state | int | .
+ last_hard_state | int | .
+ current_attempt | int | .
+ last_notification | int | host with notifications: last notification.
+ next_notification | int | host with notifications: next notification.
+ next_check | int | .
+ last_hard_state_change | int | .
+ has_been_checked | int | .
+ current_notification_number | int | host with notifications: number.
+ total_services | int | .
+ checks_enabled | int | .
+ notifications_enabled | int | .
+ acknowledged | int | .
+ state | int | .
+ state_type | int | .
+ no_more_notifications | int | notification_interval == 0 && volatile == false.
+ last_check | int | .
+ last_state_change | int | .
+ last_time_up | int | .
+ last_time_down | int | .
+ last_time_unreachable | int | .
+ is_flapping | int | .
+ scheduled_downtime_depth | int | .
+ active_checks_enabled | int | .
+ modified_attributes | array | .
+ modified_attributes_list | array | .
+ check_interval | double | .
+ retry_interval | double | .
+ notification_interval | double | host with notifications: smallest interval.
+ low_flap_threshold | double | flapping_threshold
+ high_flap_threshold | double | flapping_threshold
+ latency | double | .
+ execution_time | double | .
+ percent_state_change | double | flapping.
+ in_notification_period | int | host with notifications: matching period.
+ in_check_period | int | .
+ contacts | array | host with notifications, users and user groups.
+ downtimes | array | id.
+ downtimes_with_info | array | id+author+comment.
+ comments | array | id.
+ comments_with_info | array | id+author+comment.
+ comments_with_extra_info | array | id+author+comment+entry_type+entry_time.
+ custom_variable_names | array | .
+ custom_variable_values | array | .
+ custom_variables | array | Array of custom variable array pair.
+ parents | array | Direct host parents.
+ childs | array | Direct host children (Note: `childs` is inherited from the origin MK_Livestatus protocol).
+ num_services | int | .
+ worst_service_state | int | All services and their worst state.
+ num_services_ok | int | All services with Ok state.
+ num_services_warn | int | All services with Warning state.
+ num_services_crit | int | All services with Critical state.
+ num_services_unknown | int | All services with Unknown state.
+ worst_service_hard_state | int | All services and their worst hard state.
+ num_services_hard_ok | int | All services in a hard state with Ok state.
+ num_services_hard_warn | int | All services in a hard state with Warning state.
+ num_services_hard_crit | int | All services in a hard state with Critical state.
+ num_services_hard_unknown | int | All services in a hard state with Unknown state.
+ hard_state | int | Returns OK if state is OK. Returns current state if now a hard state type. Returns last hard state otherwise.
+ staleness | int | Indicates time since last check normalized onto the check_interval.
+ groups | array | All hostgroups this host is a member of.
+ contact_groups | array | All usergroups associated with this host through notifications.
+ services | array | All services associated with this host.
+ services_with_state | array | All services associated with this host with state and hasbeenchecked.
+ services_with_info | array | All services associated with this host with state, hasbeenchecked and output.
+
+Not supported: `initial_state`, `pending_flex_downtime`, `check_flapping_recovery_notification`,
+`is_executing`, `check_options`, `obsess_over_host`, `first_notification_delay`, `x_3d`, `y_3d`, `z_3d`,
+`x_2d`, `y_2d`, `filename`, `pnpgraph_present`.
+
+#### Livestatus Hostgroups Table Attributes <a id="schema-livestatus-hostgroups-table-attributes"></a>
+
+ Key | Type | Note
+ ----------------------|-----------|-------------------------
+ name | string | .
+ alias | string | `display_name` attribute.
+ notes | string | .
+ notes_url | string | .
+ action_url | string | .
+ members | array | .
+ members_with_state | array | Host name and state.
+ worst_host_state | int | Of all group members.
+ num_hosts | int | In this group.
+ num_hosts_pending | int | .
+ num_hosts_up | int | .
+ num_hosts_down | int | .
+ num_hosts_unreach | int | .
+ num_services | int | Number of services associated with hosts in this hostgroup.
+ worst_services_state | int | .
+ num_services_pending | int | .
+ num_services_ok | int | .
+ num_services_warn | int | .
+ num_services_crit | int | .
+ num_services_unknown | int | .
+ worst_service_hard_state | int | .
+ num_services_hard_ok | int | .
+ num_services_hard_warn | int | .
+ num_services_hard_crit | int | .
+ num_services_hard_unknown | int | .
+
+#### Livestatus Services Table Attributes <a id="schema-livestatus-services-table-attributes"></a>
+
+ Key | Type | Note
+ ----------------------|-----------|-------------------------
+ description | string | .
+ display_name | string | .
+ alias | string | same as display_name.
+ check_command | string | .
+ check_command_expanded | string | .
+ event_handler | string | .
+ notification_period | string | host with notifications: period.
+ check_period | string | .
+ notes | string | .
+ notes_expanded | string | .
+ notes_url | string | .
+ notes_url_expanded | string | .
+ action_url | string | .
+ action_url_expanded | string | .
+ plugin_output | string | .
+ perf_data | string | .
+ icon_image | string | .
+ icon_image_expanded | string | .
+ icon_image_alt | stirng | .
+ statusmap_image | string | .
+ long_plugin_output | string | .
+ max_check_attempts | int | .
+ flap_detection_enabled | int | .
+ check_freshness | int | .
+ process_performance_data | int | .
+ accept_passive_checks | int | .
+ event_handler_enabled | int | .
+ acknowledgement_type | int | Only 0 or 1.
+ check_type | int | .
+ last_state | int | .
+ last_hard_state | int | .
+ current_attempt | int | .
+ last_notification | int | service with notifications: last notification.
+ next_notification | int | service with notifications: next notification.
+ next_check | int | .
+ last_hard_state_change | int | .
+ has_been_checked | int | .
+ current_notification_number | int | service with notifications: number.
+ checks_enabled | int | .
+ notifications_enabled | int | .
+ acknowledged | int | .
+ state | int | .
+ state_type | int | .
+ no_more_notifications | int | notification_interval == 0 && volatile == false.
+ last_check | int | .
+ last_state_change | int | .
+ last_time_ok | int | .
+ last_time_warning | int | .
+ last_time_critical | int | .
+ last_time_unknown | int | .
+ is_flapping | int | .
+ scheduled_downtime_depth | int | .
+ active_checks_enabled | int | .
+ modified_attributes | array | .
+ modified_attributes_list | array | .
+ check_interval | double | .
+ retry_interval | double | .
+ notification_interval | double | service with notifications: smallest interval.
+ low_flap_threshold | double | flapping_threshold
+ high_flap_threshold | double | flapping_threshold
+ latency | double | .
+ execution_time | double | .
+ percent_state_change | double | flapping.
+ in_notification_period | int | service with notifications: matching period.
+ in_check_period | int | .
+ contacts | array | service with notifications, users and user groups.
+ downtimes | array | id.
+ downtimes_with_info | array | id+author+comment.
+ comments | array | id.
+ comments_with_info | array | id+author+comment.
+ comments_with_extra_info | array | id+author+comment+entry_type+entry_time.
+ custom_variable_names | array | .
+ custom_variable_values | array | .
+ custom_variables | array | Array of custom variable array pair.
+ hard_state | int | Returns OK if state is OK. Returns current state if now a hard state type. Returns last hard state otherwise.
+ staleness | int | Indicates time since last check normalized onto the check_interval.
+ groups | array | All hostgroups this host is a member of.
+ contact_groups | array | All usergroups associated with this host through notifications.
+ host_ | join | Prefix for attributes from implicit join with hosts table.
+
+Not supported: `initial_state`, `is_executing`, `check_options`, `obsess_over_service`, `first_notification_delay`,
+`pnpgraph_present`.
+
+#### Livestatus Servicegroups Table Attributes <a id="schema-livestatus-servicegroups-table-attributes"></a>
+
+ Key | Type | Note
+ ----------------------|-----------|-------------------------
+ name | string | .
+ alias | string | `display_name` attribute.
+ notes | string | .
+ notes_url | string | .
+ action_url | string | .
+ members | array | CSV format uses `host|service` syntax.
+ members_with_state | array | Host, service, hoststate, servicestate.
+ worst_service_state | int | .
+ num_services | int | .
+ num_services_pending | int | .
+ num_services_ok | int | .
+ num_services_warn | int | .
+ num_services_crit | int | .
+ num_services_unknown | int | .
+ num_services_hard_ok | int | .
+ num_services_hard_warn | int | .
+ num_services_hard_crit | int | .
+ num_services_hard_unknown | int | .
+
+#### Livestatus Contacts Table Attributes <a id="schema-livestatus-contacts-table-attributes"></a>
+
+ Key | Type | Note
+ ----------------------|-----------|-------------------------
+ name | string | .
+ alias | string | `display_name` attribute.
+ email | string | .
+ pager | string | .
+ host_notification_period | string | .
+ service_notification_period | string | .
+ host_notifications_enabled | int | .
+ service_notifications_enabled | int | .
+ in_host_notification_period | int | .
+ in_service_notification_period | int | .
+ custom_variable_names | array | .
+ custom_variable_values | array | .
+ custom_variables | array | Array of customvariable array pairs.
+ modified_attributes | array | .
+ modified_attributes_list | array | .
+
+
+Not supported: `can_submit_commands`.
+
+#### Livestatus Contactgroups Table Attributes <a id="schema-livestatus-contactgroups-table-attributes"></a>
+
+ Key | Type | Note
+ ----------------------|-----------|-------------------------
+ name | string | .
+ alias | string | `display_name` attribute.
+ members | array | .
+
+
+#### Livestatus Commands Table Attributes <a id="schema-livestatus-commands-table-attributes"></a>
+
+ Key | Type | Note
+ ----------------------|-----------|-------------------------
+ name | string | 3 types of commands in Icinga 2.
+ line | string | .
+
+
+#### Livestatus Status Table Attributes <a id="schema-livestatus-status-table-attributes"></a>
+
+ Key | Type | Note
+ ----------------------|-----------|-------------------------
+ connections | int | Since application start.
+ connections_rate | double | .
+ service_checks | int | Since application start.
+ service_checks_rate | double | .
+ host_checks | int | Since application start.
+ host_checks_rate | double | .
+ external_commands | int | Since application start.
+ external_commands_rate | double | .
+ nagios_pid | string | Application PID.
+ enable_notifications | int | .
+ execute_service_checks | int | .
+ accept_passive_service_checks | int | .
+ execute_host_checks | int | .
+ accept_passive_host_checks | int | .
+ enable_event_handlers | int | .
+ check_service_freshness | int | .
+ check_host_freshness | int | .
+ enable_flap_detection | int | .
+ process_performance_data | int | .
+ check_external_commands | int | Always enabled.
+ program_start | int | In seconds.
+ last_command_check | int | Always.
+ interval_length | int | Compatibility mode: 60.
+ num_hosts | int | .
+ num_services | int | .
+ program_version | string | 2.0.
+ livestatus_active_connections | string | .
+
+Not supported: `neb_callbacks`, `neb_callbacks_rate`, `requests`, `requests_rate`, `forks`, `forks_rate`,
+`log_messages`, `log_messages_rate`, `livechecks`, `livechecks_rate`, `livecheck_overflows`,
+`livecheck_overflows_rate`, `obsess_over_services`, `obsess_over_hosts`, `last_log_rotation`,
+`external_command_buffer_slots`, `external_command_buffer_usage`, `external_command_buffer_max`,
+`cached_log_messages`, `livestatus_queued_connections`, `livestatus_threads`.
+
+
+#### Livestatus Comments Table Attributes <a id="schema-livestatus-comments-table-attributes"></a>
+
+ Key | Type | Note
+ ----------------------|-----------|-------------------------
+ author | string | .
+ comment | string | .
+ id | int | legacy_id.
+ entry_time | string | Seconds.
+ type | int | 1=host, 2=service.
+ is_service | int | .
+ persistent | int | Always.
+ source | string | Always external (1).
+ entry_type | int | .
+ expires | int | .
+ expire_time | string | Seconds.
+ service_ | join | Prefix for attributes from implicit join with services table.
+ host_ | join | Prefix for attributes from implicit join with hosts table.
+
+
+#### Livestatus Downtimes Table Attributes <a id="schema-livestatus-downtimes-table-attributes"></a>
+
+ Key | Type | Note
+ ----------------------|-----------|-------------------------
+ author | string | .
+ comment | string | .
+ id | int | legacy_id.
+ entry_time | string | Seconds.
+ type | int | 1=active, 0=pending.
+ is_service | int | .
+ start_time | string | Seconds.
+ end_time | string | Seconds.
+ fixed | int | 0=flexible, 1=fixed.
+ duration | int | .
+ triggered_by | int | legacy_id.
+ triggers | int | NEW in Icinga 2.
+ trigger_time | string | NEW in Icinga 2.
+ service_ | join | Prefix for attributes from implicit join with services table.
+ host_ | join | Prefix for attributes from implicit join with hosts table.
+
+
+#### Livestatus Timeperiods Table Attributes <a id="schema-livestatus-timeperiods-table-attributes"></a>
+
+ Key | Type | Note
+ ----------------------|-----------|-------------------------
+ name | string | .
+ alias | string | `display_name` attribute.
+ in | int | Current time is in timeperiod or not.
+
+#### Livestatus Log Table Attributes <a id="schema-livestatus-log-table-attributes"></a>
+
+ Key | Type | Note
+ ----------------------|-----------|-------------------------
+ time | int | Time of log event (unix timestamp).
+ lineno | int | Line number in `CompatLogger` log file.
+ class | int | Log message class: 0=info, 1=state, 2=program, 3=notification, 4=passive, 5=command.
+ message | string | Complete message line.
+ type | string | Text before the colon `:`.
+ options | string | Text after the colon `:`.
+ comment | string | Comment if available.
+ plugin_output | string | Check output if available.
+ state | int | Host or service state.
+ state_type | int | State type if available.
+ attempt | int | Current check attempt.
+ service_description | string | .
+ host_name | string | .
+ contact_name | string | .
+ command_name | string | .
+ current_service_ | join | Prefix for attributes from implicit join with services table.
+ current_host_ | join | Prefix for attributes from implicit join with hosts table.
+ current_contact_ | join | Prefix for attributes from implicit join with contacts table.
+ current_command_ | join | Prefix for attributes from implicit join with commands table.
+
+#### Livestatus Statehist Table Attributes <a id="schema-livestatus-statehist-table-attributes"></a>
+
+ Key | Type | Note
+ ----------------------|-----------|-------------------------
+ time | int | Time of log event (unix timestamp).
+ lineno | int | Line number in `CompatLogger` log file.
+ from | int | Start timestamp (unix timestamp).
+ until | int | End timestamp (unix timestamp).
+ duration | int | until-from.
+ duration_part | double | duration / query_part.
+ state | int | State: 0=ok, 1=warn, 2=crit, 3=unknown, -1=notmonitored.
+ host_down | int | Host associated with the service is down or not.
+ in_downtime | int | Host/service is in downtime.
+ in_host_downtime | int | Host associated with the service is in a downtime or not.
+ is_flapping | int | Host/service is flapping.
+ in_notification_period | int | Host/service notification periods match or not.
+ notification_period | string | Host/service notification period.
+ host_name | string | .
+ service_description | string | .
+ log_output | string | Log file output for this state.
+ duration_ok | int | until-from for OK state.
+ duration_part_ok | double | .
+ duration_warning | int | until-from for Warning state.
+ duration_part_warning | double | .
+ duration_critical | int | until-from for Critical state.
+ duration_part_critical | double | .
+ duration_unknown | int | until-from for Unknown state.
+ duration_part_unknown | double | .
+ duration_unmonitored | int | until-from for Not-Monitored state.
+ duration_part_unmonitored | double | .
+ current_service_ | join | Prefix for attributes from implicit join with services table.
+ current_host_ | join | Prefix for attributes from implicit join with hosts table.
+
+Not supported: `debug_info`.
+
+#### Livestatus Hostsbygroup Table Attributes <a id="schema-livestatus-hostsbygroup-table-attributes"></a>
+
+All [hosts](24-appendix.md#schema-livestatus-hosts-table-attributes) table attributes grouped with
+the [hostgroups](24-appendix.md#schema-livestatus-hostgroups-table-attributes) table prefixed with `hostgroup_`.
+
+#### Livestatus Servicesbygroup Table Attributes <a id="schema-livestatus-servicesbygroup-table-attributes"></a>
+
+All [services](24-appendix.md#schema-livestatus-services-table-attributes) table attributes grouped with
+the [servicegroups](24-appendix.md#schema-livestatus-servicegroups-table-attributes) table prefixed with `servicegroup_`.
+
+#### Livestatus Servicesbyhostgroup Table Attributes <a id="schema-livestatus-servicesbyhostgroup-table-attributes"></a>
+
+All [services](24-appendix.md#schema-livestatus-services-table-attributes) table attributes grouped with
+the [hostgroups](24-appendix.md#schema-livestatus-hostgroups-table-attributes) table prefixed with `hostgroup_`.
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-07 17:40:42 +0000