Zabbix Documentation 4.0

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manual:appendix:protocols:real_time_export

5 Real-time export protocol

This section presents details of the real-time export protocol in a newline-delimited JSON format for:

All files have a .ndjson extension. Each line of the export file is a JSON object.

Trigger events

The following information is exported for a problem event:

Field Type Description
hosts array List of hosts involved in the trigger expression; there should be at least one element in array.
- string Visible host name.
groups array list of host groups of all hosts involved in the trigger expression; there should be at least one element in array.
- string Host group name.
tags array List of problem tags (can be empty).
- object
tag string Tag name.
value string Tag value (can be empty).
name string Problem event name.
clock number Number of seconds since Epoch to the moment when problem was detected (integer part).
ns number Number of nanoseconds to be added to clock to get a precise problem detection time.
eventid number Problem event ID.
value number 1 (always).

The following information is exported for a recovery event:

Field Type Description
clock number Number of seconds since Epoch to the moment when problem was resolved (integer part).
ns number Number of nanoseconds to be added to clock to get a precise problem resolution time.
eventid number Recovery event ID.
p_eventid number Problem event ID.
value number 0 (always).
Examples

Problem:

{"hosts":["Host B","Zabbix Server"],"groups":["Group X","Group Y","Group Z","Zabbix servers"],"tags":[{"tag":"availability","value":""},{"tag":"data center","value":"Riga"}],"name":"Either Zabbix agent is unreachable on Host B or pollers are too busy on Zabbix Server","clock":1519304285,"ns":123456789,"eventid":42, "value":1}

Recovery:

{"clock":1519304345,"ns":987654321,"eventid":43,"p_eventid":42,"value":0}

Problem (multiple problem event generation):

{"hosts":["Host B","Zabbix Server"],"groups":["Group X","Group Y","Group Z","Zabbix servers"],"tags":[{"tag":"availability","value":""},{"tag":"data center","value":"Riga"}],"name":"Either Zabbix agent is unreachable on Host B or pollers are too busy on Zabbix Server","clock":1519304286,"ns":123456789,"eventid":43, "value":1}
{"hosts":["Host B","Zabbix Server"],"groups":["Group X","Group Y","Group Z","Zabbix servers"],"tags":[{"tag":"availability","value":""},{"tag":"data center","value":"Riga"}],"name":"Either Zabbix agent is unreachable on Host B or pollers are too busy on Zabbix Server","clock":1519304286,"ns":123456789,"eventid":43, "value":1}

Recovery:

{"clock":1519304346,"ns":987654321,"eventid":44,"p_eventid":43,"value":0}
{"clock":1519304346,"ns":987654321,"eventid":44,"p_eventid":42,"value":0}

Item values

The following information is exported for a collected item value:

Field Type Description
host string Visible host name of the item host.
groups array List of host groups of the item host; there should be at least one element in array.
- string Host group name.
applications array List of the item applications; empty if there are none.
- string Application name.
itemid number Item ID.
name string Visible item name.
clock number Number of seconds since Epoch to the moment when value was collected (integer part).
ns number Number of nanoseconds to be added to clock to get a precise value collection time.
timestamp
(Log only)
number 0 if not available.
source
(Log only)
string Empty string if not available.
severity
(Log only)
number 0 if not available.
eventid
(Log only)
number 0 if not available.
value number (for numeric items) or
string (for text items)
Collected item value.
Examples

Numeric (unsigned) value:

{"host":"Host B","groups":["Group X","Group Y","Group Z"],"applications":["Zabbix Agent","Availability"],"itemid":3,"name":"Agent availability","clock":1519304285,"ns":123456789,"value":1}

Numeric (float) value:

{"host":"Host B","groups":["Group X","Group Y","Group Z"],"applications":["CPU","Performance"],"itemid":4,"name":"CPU Load","clock":1519304285,"ns":123456789,"value":"0.1"}

Character, text value:

{"host":"Host B","groups":["Group X","Group Y","Group Z"],"applications":["Zabbix Agent","Installed software versions"],"itemid":2,"name":"Agent version","clock":1519304285,"ns":123456789,"value":"3.4.4"}

Log value:

{"host":"Host A","groups":["Group X","Group Y","Group Z"],"applications":["Log files","Critical"],"itemid":1,"name":"Messages in log file","clock":1519304285,"ns":123456789,"timestamp":1519304285,"source":"","severity":0,"eventid":0,"value":"log file message"}

The following information is exported for a calculated trend value:

Field Type Description
host string Visible host name of the item host.
groups array List of host groups of the item host; there should be at least one element in array.
- string Host group name.
applications array List of the item applications; empty if there are none.
- string Application name.
itemid number Item ID.
name string Visible item name.
clock number Number of seconds since Epoch to the moment when value was collected (integer part).
count number Number of values collected for a given hour.
min number Minimum item value for a given hour.
avg number Average item value for a given hour.
max number Maximum item value for a given hour.
Examples

Numeric (unsigned) value:

{"host":"Host B","groups":["Group X","Group Y","Group Z"],"applications":["Zabbix Agent","Availability"],"itemid":3,"name":"Agent availability","clock":1519311600,"count":60,"min":1,"avg":1,"max":1}

Numeric (float) value:

{"host":"Host B","groups":["Group X","Group Y","Group Z"],"applications":["CPU","Performance"],"itemid":4,"name":"CPU Load","clock":1519311600,"count":60,"min":0.01,"avg":0.15,"max":1.5}