Table of Contents
discoveryrule.get
描述
integer/array discoveryrule.get(object parameters)
该方法允许根据给定参数检索LLD规则.
此方法可供任何类型的用户使用. 调用该方法的权限可以在用户角色设置中撤销. 更多信息请参阅User roles.
参数
(object) 定义期望输出的参数.
该方法支持以下参数.
| 参数 | 数据类型 | 描述 |
|---|---|---|
| itemids | string/array | 仅返回具有指定ID的LLD规则. |
| groupids | string/array | 仅返回属于指定组中主机的LLD规则. |
| hostids | string/array | 仅返回属于指定主机的LLD规则. |
| inherited | boolean | 如果设置为true则仅返回从模板继承的LLD规则. |
| interfaceids | string/array | 仅返回使用指定主机接口的LLD规则. |
| monitored | boolean | 如果设置为true则仅返回属于受监控主机的启用LLD规则. |
| templated | boolean | 如果设置为true则仅返回属于模板的LLD规则. |
| templateids | string/array | 仅返回属于指定模板的LLD规则. |
| selectFilter | query | 返回一个lld-规则过滤器属性，包含LLD规则使用的过滤器数据. |
| selectGraphs | query | 返回一个graphs属性，包含属于LLD规则的图形原型. 支持 count. |
| selectHostPrototypes | query | 返回一个hostPrototypes属性，包含属于LLD规则的主机原型. 支持 count. |
| selectHosts | query | 返回一个hosts属性，包含LLD规则所属主机的array. |
| selectItems | query | 返回一个items属性，包含属于LLD规则的监控项原型. 支持 count. |
| selectTriggers | query | 返回一个triggers属性，包含属于LLD规则的触发器原型. 支持 count. |
| selectLLDMacroPaths | query | 返回一个lld-宏路径属性，包含LLD宏列表及分配给每个宏的值的路径. |
| selectPreprocessing | query | 返回一个lld-规则预处理属性，包含LLD规则预处理选项. |
| selectOverrides | query | 返回一个lld-规则覆盖属性，包含对原型objects执行的覆盖过滤器、条件和操作列表. |
| filter | object | 仅返回完全匹配给定过滤器的结果. 接受一个array，其中键是属性名，值是要匹配的单个值或array值. 支持额外过滤器: host - LLD规则所属主机的技术名称. |
| limitSelects | integer | 限制子查询返回的记录数. 适用于以下子查询: selectItems;selectGraphs;selectTriggers. |
| sortfield | string/array | 按给定属性排序结果. 可能值为: itemid, name, key_, delay, type和status. |
| countOutput | boolean | 这些参数在通用get方法参数中有描述. |
| editable | boolean | |
| excludeSearch | boolean | |
| limit | integer | |
| output | query | |
| preservekeys | boolean | |
| search | object | |
| searchByAny | boolean | |
| searchWildcardsEnabled | boolean | |
| sortorder | string/array | |
| startSearch | boolean |
返回值
(integer/array) 返回以下两种情况之一:
- 一个包含array的objects数组
- 检索到的objects数量（当使用了
countOutput参数时）
示例
从主机检索发现规则
获取指定主机 ID的所有发现规则.
请求:
{
"jsonrpc": "2.0",
"method": "discoveryrule.get",
"params": {
"output": "extend",
"hostids": "10202"
},
"auth": "038e1d7b1735c6a5436ee9eae095879e",
"id": 1
}响应:
{
"jsonrpc": "2.0",
"result": [
{
"itemid": "27425",
"type": "0",
"snmp_oid": "",
"hostid": "10202",
"name": "Network interface discovery",
"key_": "net.if.discovery",
"delay": "1h",
"status": "0",
"trapper_hosts": "",
"templateid": "22444",
"valuemapid": "0",
"params": "",
"ipmi_sensor": "",
"authtype": "0",
"username": "",
"password": "",
"publickey": "",
"privatekey": "",
"interfaceid": "119",
"description": "Discovery of network interfaces as defined in global regular expression \"Network interfaces for discovery\".",
"lifetime": "30d",
"jmx_endpoint": "",
"master_itemid": "0",
"timeout": "3s",
"url": "",
"query_fields": [],
"posts": "",
"status_codes": "200",
"follow_redirects": "1",
"post_type": "0",
"http_proxy": "",
"headers": [],
"retrieve_mode": "0",
"request_method": "0",
"ssl_cert_file": "",
"ssl_key_file": "",
"ssl_key_password": "",
"verify_peer": "0",
"verify_host": "0",
"allow_traps": "0",
"uuid": "",
"state": "0",
"error": "",
"parameters": []
},
{
"itemid": "27426",
"type": "0",
"snmp_oid": "",
"hostid": "10202",
"name": "Mounted filesystem discovery",
"key_": "vfs.fs.discovery",
"delay": "1h",
"status": "0",
"trapper_hosts": "",
"templateid": "22450",
"valuemapid": "0",
"params": "",
"ipmi_sensor": "",
"authtype": "0",
"username": "",
"password": "",
"publickey": "",
"privatekey": "",
"interfaceid": "119",
"description": "Discovery of file systems of different types as defined in global regular expression \"File systems for discovery\".",
"lifetime": "30d",
"jmx_endpoint": "",
"master_itemid": "0",
"timeout": "3s",
"url": "",
"query_fields": [],
"posts": "",
"status_codes": "200",
"follow_redirects": "1",
"post_type": "0",
"http_proxy": "",
"headers": [],
"retrieve_mode": "0",
"request_method": "0",
"ssl_cert_file": "",
"ssl_key_file": "",
"ssl_key_password": "",
"verify_peer": "0",
"verify_host": "0",
"allow_traps": "0",
"uuid": "",
"state": "0",
"error": "",
"parameters": []
}
],
"id": 1
}检索筛选条件
获取LLD规则"24681"的名称及其过滤条件。该过滤器使用"and"评估类型，因此formula属性为空且eval_formula是自动生成的。
请求:
{
"jsonrpc": "2.0",
"method": "discoveryrule.get",
"params": {
"output": ["name"],
"selectFilter": "extend",
"itemids": ["24681"]
},
"auth": "038e1d7b1735c6a5436ee9eae095879e",
"id": 1
}响应:
{
"jsonrpc": "2.0",
"result": [
{
"itemid": "24681",
"name": "Filtered LLD rule",
"filter": {
"evaltype": "1",
"formula": "",
"conditions": [
{
"macro": "{#MACRO1}",
"value": "@regex1",
"operator": "8",
"formulaid": "A"
},
{
"macro": "{#MACRO2}",
"value": "@regex2",
"operator": "9",
"formulaid": "B"
},
{
"macro": "{#MACRO3}",
"value": "",
"operator": "12",
"formulaid": "C"
},
{
"macro": "{#MACRO4}",
"value": "",
"operator": "13",
"formulaid": "D"
}
],
"eval_formula": "A and B and C and D"
}
}
],
"id": 1
}通过URL获取LLD规则
通过规则URL字段值获取主机的LLD规则。仅支持与LLD规则定义的URL string完全匹配。
请求:
{
"jsonrpc": "2.0",
"method": "discoveryrule.get",
"params": {
"hostids": "10257",
"filter": {
"type": 19,
"url": "http://127.0.0.1/discoverer.php"
}
},
"id": 39,
"auth": "d678e0b85688ce578ff061bd29a20d3b"
}响应:
{
"jsonrpc": "2.0",
"result": [
{
"itemid": "28336",
"type": "19",
"snmp_oid": "",
"hostid": "10257",
"name": "API HTTP agent",
"key_": "api_discovery_rule",
"delay": "5s",
"status": "0",
"trapper_hosts": "",
"templateid": "0",
"valuemapid": "0",
"params": "",
"ipmi_sensor": "",
"authtype": "0",
"username": "",
"password": "",
"publickey": "",
"privatekey": "",
"interfaceid": "5",
"description": "",
"lifetime": "30d",
"jmx_endpoint": "",
"master_itemid": "0",
"timeout": "3s",
"url": "http://127.0.0.1/discoverer.php",
"query_fields": [
{
"mode": "json"
},
{
"elements": "2"
}
],
"posts": "",
"status_codes": "200",
"follow_redirects": "1",
"post_type": "0",
"http_proxy": "",
"headers": {
"X-Type": "api",
"Authorization": "Bearer mF_A.B5f-2.1JcM"
},
"retrieve_mode": "0",
"request_method": "1",
"ssl_cert_file": "",
"ssl_key_file": "",
"ssl_key_password": "",
"verify_peer": "0",
"verify_host": "0",
"allow_traps": "0",
"uuid": "",
"state": "0",
"error": "",
"parameters": []
}
],
"id": 39
}检索带覆盖的LLD规则
检索一个包含多种覆盖设置的LLD规则。
请求:
{
"jsonrpc": "2.0",
"method": "discoveryrule.get",
"params": {
"output": ["name"],
"itemids": "30980",
"selectOverrides": ["name", "step", "stop", "filter", "operations"]
},
"id": 39,
"auth": "d678e0b85688ce578ff061bd29a20d3b"
}响应:
{
"jsonrpc": "2.0",
"result": [
{
"name": "Discover database host",
"overrides": [
{
"name": "Discover MySQL host",
"step": "1",
"stop": "1",
"filter": {
"evaltype": "2",
"formula": "",
"conditions": [
{
"macro": "{#UNIT.NAME}",
"operator": "8",
"value": "^mysqld\\.service$",
"formulaid": "A"
},
{
"macro": "{#UNIT.NAME}",
"operator": "8",
"value": "^mariadb\\.service$",
"formulaid": "B"
}
],
"eval_formula": "A or B"
},
"operations": [
{
"operationobject": "3",
"operator": "2",
"value": "Database host",
"opstatus": {
"status": "0"
},
"optag": [
{
"tag": "Database",
"value": "MySQL"
}
],
"optemplate": [
{
"templateid": "10170"
}
]
}
]
},
{
"name": "Discover PostgreSQL host",
"step": "2",
"stop": "1",
"filter": {
"evaltype": "0",
"formula": "",
"conditions": [
{
"macro": "{#UNIT.NAME}",
"operator": "8",
"value": "^postgresql\\.service$",
"formulaid": "A"
}
],
"eval_formula": "A"
},
"operations": [
{
"operationobject": "3",
"operator": "2",
"value": "Database host",
"opstatus": {
"status": "0"
},
"optag": [
{
"tag": "Database",
"value": "PostgreSQL"
}
],
"optemplate": [
{
"templateid": "10263"
}
]
}
]
}
]
}
],
"id": 39
}另请参阅
来源
CDiscoveryRule::get() 位于 ui/include/classes/api/services/CDiscoveryRule.php 文件中。