Obtain Historical monitoring data through Zabbix API

Source: Internet
Author: User

The Zabbix API can obtain historical data through the json rpc protocol.
You can use a script or any tool that supports json rpc to use APIs.

Basic request format
The simplified JSON request of Zabbix API is as follows:
{
"Jsonrpc": "2.0 ",
"Method": "method. name ",
"Params ":{
"Param_1_name": "param_1_value ",
"Param_2_name": "param_2_value"
},
"Id": 1,
"Auth": "a826fca79a0795ccc1224dc7610972f ",
}
See the following line:
● "Jsonrpc": "2.0"-this is a standard json rpc parameter to indicate the Protocol version. All requests remain unchanged.
● "Method": "method. name"-this parameter defines the operations actually executed. For example, host. create, item. update, history. get, etc.
● "Params"-Here, the JSON object is passed as a parameter for a specific method. If you want to create a metric item, the "name" and "key _" parameters are required. The parameters required for each method are described in the Zabbix API documentation.
● "Id": 1-this field is used to bind the JSON request and response. The response will have the same "id" as the request ". It is useful when sending multiple requests at a time. These do not need to be unique or continuous.
● "Auth": "a826fca79a0795ccc1224dc7610972f"-this is an authentication token used to identify users and access APIs. This is also the prerequisite for using APIs for related operations-to obtain the authentication ID.


Instance: obtains the cpu idle value of 192.168.211.60 from 14:00:00 to 14:10:00.
Curl-based command:
(1): Authenticate and obtain encrypted Fields
Curl-I-X POST-H 'content-Type: application/json'-d' {"jsonrpc ":
"2.0", "method": "user. login", "params": {"user": "xxxx", "password": "xxxx"}, "auth ":
Null, "id": 0} 'http://x.x.x.x/api_jsonrpc.php
# A string of outputs will be obtained: {"jsonrpc": "2.0", "result": "a826fca79a0795ccc1224dc7610972f", "id": 0 }. Remember this output.
(2) obtain the hostids of the monitored host
Curl-I-X POST-H 'content-Type: application/json'-d' {"jsonrpc": "2.0", "method": "host. get "," params ": {" output ": [" hostid "]," filter ": {" host ":" 192.168.211.60 "}}," auth ": "a826fca79a0795ccc1224dc7610972f", "id": 0} 'http://x.x.x.x/api_jsonrpc.php
# "Hostid": "10243"
(3) Obtain itemids
Curl-I-X POST-H 'content-Type: application/json'-d' {"jsonrpc": "2.0", "method": "item. get "," params ": {" output ":" itemids "," hostids ":" 10243 "," search ": {" key _ ":" system. cpu. util
[, Idle, avg1] "}}," auth ":" a826fca79a0795ccc1224dc7610972f "," id ": 0} 'http://x.x.x.x/api_jsonrpc.php
# "Item": "24526"
(4) obtain the metric item "system. cpu. util [, idle, avg1]" from ~ Value
Curl-I-X POST-H 'content-Type: application/json'-d' {"jsonrpc": "2.0", "method": "history. get "," params ": {" history ": 0," itemids ": [" 24526 "]," time_from ":" 1392789600 "," time_till ":" 1392790200 ", "output": "extend"}, "auth": "a826fca79a0795ccc1224dc7610972f", "id": 0} 'http://x.x.x.x/api_jsonrpc.php
# Output:
[{"Itemid": "24526", "clock": "1392789646", "value": "95.7539", "ns": "138978589 "},
{"Itemid": "24526", "clock": "1392789706", "value": "84.9595", "ns": "578198422 "},
{"Itemid": "24526", "clock": "1392789766", "value": "94.5259", "ns": "186216653 "},
{"Itemid": "24526", "clock": "1392789826", "value": "96.2286", "ns": "789434167 "},
{"Itemid": "24526", "clock": "1392789886", "value": "94.7712", "ns": "191954191 "},
{"Itemid": "24526", "clock": "1392789946", "value": "90.8338", "ns": "781241168 "},
{"Itemid": "24526", "clock": "1392790006", "value": "89.1735", "ns": "294674458 "},
{"Itemid": "24526", "clock": "1392790066", "value": "92.3015", "ns": "877714419 "},
{"Itemid": "24526", "clock": "1392790126", "value": "96.3051", "ns": "426421789 "},
{"Itemid": "24526", "clock": "1392790186", "value": "97.7931", "ns": "174500891"}]
# "Value" indicates the cpu idle value. The sampling interval is the same as the data update time of the metric item.
Supplement: obtain the value of 192.168.211.60 metric item "system. cpu. util [, idle, avg1]" at 2:02:46, January 1, February 19, 2014.
Curl-I-X POST-H 'content-Type: application/json'-d' {"jsonrpc": "2.0", "method": "history. get "," params ": {" history ": 0," itemids ": [" 24526 "]," time_from ":" 1392789600 "," time_till ":" 1392790200 ", "output": "extend", "filter": {"clock": "1392789766" }}, "auth": "a826fca79a0795ccc1224dc7610972f", "id": 0} 'http://x.x.x.x/api_jsonrpc.php
# "Value": "94.5259" value to be obtained


Refer:
Zabbix API documentation: https://www.zabbix.com/documentation/2.2/manual/api

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ZABBIX: click here

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