Logs messages and fact information based on a provided action (usually created by a rules engine). Action objects executed with this Handler should contain "logLevel" and "message" attributes.
rules, rules engine, action, action handler, logging
In the list below, the names of required properties appear in bold. Any other properties (not in bold) are considered optional. The table also indicates any default values, and whether a property supports the NiFi Expression Language.
| Display Name | API Name | Default Value | Allowable Values | Description |
|---|---|---|---|---|
| Log Prefix | log-prefix | Log prefix appended to the log lines. It helps to distinguish the output of multiple LogAttribute processors. Supports Expression Language: true (will be evaluated using variable registry only) | ||
| Log Facts | log-facts | true |
| If true, the log message will include the facts which triggered this log action. |
| Default Log Level | logger-default-log-level | info |
| If a log level is not provided as an attribute within an Action, the default log level will be used. |
| Default Log Message | logger-default-log-message | Rules Action Triggered Log. | If a log message is not provided as an attribute within an Action, the default log message will be used. Supports Expression Language: true (will be evaluated using variable registry only) | |
| Enforce Action Type | action-handler-enforce-type | The Action Type(s) that should be supported by this handler. If provided any other type an exception will be thrown. This can support a comma delimited list of types (e.g. ALERT,LOG) Supports Expression Language: true (will be evaluated using variable registry only) | ||
| Enforce Level | action-handler-enforce-type-level | IGNORE |
| If specific action types are enforced, this setting specifies whether the action should be ignored, a warning should be logged or if an exception is thrown. Default is to ignore the received action. |