1 条件

1 Conditions

概述

Overview

只有在事件与定义的条件匹配的情况下才执行操作。 配置动作时设置条件。

An action is executed only in case an event matches a defined set of conditions. Conditions are set when configuring an 动作.

可以为基于触发的动作设置以下条件：

The following conditions can be set for trigger-based actions:

可以为基于发现的事件设置以下条件：

The following conditions can be set for discovery-based events:

基于活动代理自动注册的动作可以设置以下条件：

The following conditions can be set for actions based on active agent auto-registration:

可以根据内部事件为动作设置以下条件：

The following conditions can be set for actions based on internal events:

运算类型

Type of calculation

计算条件的以下选项可用：

The following options of calculating conditions are available:

• And - 必须满足所有条件

• And - all conditions must be met

请注意，当它们被选为“Trigger =”“条件时，在几个触发器之间不允许使用”And“计算。操作只能根据一个触发事件执行。

Note that using "And" calculation is disallowed between several triggers when they are selected as a Trigger= condition. Actions can only be executed based on the event of one trigger.

• Or - 如果满足一个条件就足够了
• And/Or - 两者的组合：AND与不同的条件类型和OR具有相同的条件类型，例如：

• Or - enough if one condition is met
• And/Or - combination of the two: AND with different condition types and OR with the same condition type, for example:

Host group = Oracle servers
Host group = MySQL servers
Trigger name like 'Database is down'
Trigger name like 'Database is unavailable'

Host group = Oracle servers
Host group = MySQL servers
Trigger name like 'Database is down'
Trigger name like 'Database is unavailable'

计算为

is evaluated as

(Host group = Oracle servers or Host group = MySQL servers) and (Trigger name like 'Database is down' or Trigger name like 'Database is unavailable')

• 自定义表达式 - 用户自己定义的动作条件表达式. 必须包含所有的条件 (以大写字母 A, B, C, ...) 以及可能包含空格,制表符,括号,和大小写敏感字符。

• Custom expression - a user-defined calculation formula for evaluating action conditions. It must include all conditions (represented as uppercase letters A, B, C, ...) and may include spaces, tabs, brackets ( ), and (case sensitive), or (case sensitive).

当前例包含 And/Or ,例如 (A or B) and (C or D), 还可以有等价的其它表达写法:

While the previous example with And/Or would be represented as (A or B) and (C or D), in a custom expression you may as well have multiple other ways of calculation:

(A and B) and (C or D)
(A and B) or (C and D)
((A or B) and C) or D
etc.

由于删除对象，被禁用的actions

Actions disabled due to deleted objects

如果某个操作条件/操作中使用的某个对象（主机，模板，触发器等）被删除，则会删除条件/操作，禁用该操作以避免操作的错误执行。 该操作可以由用户重新启用。

If a certain object (host, template, trigger, etc) used in an action condition/operation is deleted, the condition/operation is removed and the action is disabled to avoid incorrect execution of the action. The action can be re-enabled by the user.

当删除以下项目是会发生这种情况：

This behavior takes place when deleting:

• 主机组（“主机组”条件，特定主机组上的“远程命令”操作））;
• 主机（“主机”条件，特定主机上的“远程命令”操作）;
• 模板（“模板”条件，“链接到模板”和“与模板的链接”操作）;
• 触发器（“触发”条件）;
• 发现规则（使用“发现规则”和“发现检查”条件时）;
• 代理（“代理”条件）。

• host groups ("host group" condition, "remote command" operation on a specific host group);
• hosts ("host" condition, "remote command" operation on a specific host);
• templates ("template" condition, "link to template" and "unlink from template" operations);
• triggers ("trigger" condition);
• discovery rules (when using "discovery rule" and "discovery check" conditions);
• proxies ("proxy" condition).

Note:如果远程命令有许多目标主机，并且我们删除其中的一个，则只有该主机将从目标列表中删除，操作本身将保留。 但是，如果它是唯一的主机，操作也将被删除。 “链接到模板”和“取消与模板的链接”操作也是一样。

Note: If a remote command has many target hosts, and we delete one of them, only this host will be removed from the target list, the operation itself will remain. But, if it's the only host, the operation will be removed, too. The same goes for "link to template" and "unlink from template" operations.

删除“发送消息”操作中使用的用户或用户组时，操作不会被禁用。

Actions are not disabled when deleting a user or user group used in a "send message" operation.