how to configure the processor_drop plugin to drop fields - Simple Log Service

You can use the processor_drop plugin to drop log fields when collecting logs with Logtail. This topic describes the parameters of the processor_drop plugin and provides configuration examples.

Limits

Text logs and container standard output support only form-based configuration. Other input plugins support only JSON configuration.

Entry point

To use a Logtail plugin to process logs, you can add a plugin configuration when you create or modify a Logtail collection configuration. For more information, see Overview of Logtail plugins for data processing.

Configurations

Important

Logtail 0.16.28 and later supports the processor_drop plugin.

Form configuration

Parameters
Set Processor Type to Drop Field. The following table describes the parameters for this processor.
Parameter
Description
Drop Field
The fields to drop. You can specify multiple fields.
Example
To drop the aaa1 and aaa2 fields from a log:
- Raw log
```
"aaa1":"value1"
"aaa2":"value2"
"aaa3":"value3"
```
- Logtail plugin configuration
- Result
```
"aaa3":"value3"
```

JSON configuration

Parameters
Set type to processor_drop. The following table describes the parameters in the detail section.
Parameter
Type
Required
Description
DropKeys
String array
Yes
The fields to drop. You can specify multiple fields.

Example

To drop the aaa1 and aaa2 fields from a log:

Raw log

"aaa1":"value1"
"aaa2":"value2"
"aaa3":"value3"

Logtail plugin configuration

{
  "processors":[
    {
      "type":"processor_drop",
      "detail": {
        "DropKeys": ["aaa1","aaa2"]
      }
    }
  ]
}

Result
```
"aaa3":"value3"
```

References

Configure a Logtail pipeline using API operations:
Configure a processor plugin in the console:
- Collect text logs from a host
- Collect container logs from a cluster in the console (stdout/file)
Collect container logs from a Kubernetes cluster using a CRD (stdout/file)

Parameter	Description
Drop Field	The fields to drop. You can specify multiple fields.

Parameter	Type	Required	Description
DropKeys	String array	Yes	The fields to drop. You can specify multiple fields.