Request Transformer Configuration

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Configuration

This plugin is compatible with DB-less mode.

Compatible protocols

The Request Transformer plugin is compatible with the following protocols:

grpc, grpcs, http, https, tcp, tls, tls_passthrough, udp, ws, wss

Parameters

Here's a list of all the parameters which can be used in this plugin's configuration:

• name or plugin

  string required

  The name of the plugin, in this case request-transformer.

  • If using the Kong Admin API, Konnect API, declarative configuration, or decK files, the field is name.
  • If using the KongPlugin object in Kubernetes, the field is plugin.

• service.name or service.id

  string

  The name or ID of the service the plugin targets. Set one of these parameters if adding the plugin to a service through the top-level /plugins endpoint. Not required if using /services/{serviceName|Id}/plugins.

• route.name or route.id

  string

  The name or ID of the route the plugin targets. Set one of these parameters if adding the plugin to a route through the top-level /plugins endpoint. Not required if using /routes/{routeName|Id}/plugins.

• consumer.name or consumer.id

  string

  The name or ID of the consumer the plugin targets. Set one of these parameters if adding the plugin to a consumer through the top-level /plugins endpoint. Not required if using /consumers/{consumerName|Id}/plugins.

• enabled

  boolean default: true

  Whether this plugin will be applied.

• config

  record required
  • http_method

    string matches: ^%u+$

    Sets the HTTP method for the upstream request.

  • remove

    record required
    • body

      array of type string required

      List of parameter names. Remove the parameter if and only if content-type is one the following: [application/json, multipart/form-data, application/x-www-form-urlencoded] and the parameter is present.

    • headers

      array of type string required

      List of header names. Unset the headers with the given name.

    • querystring

      array of type string required

      List of querystring names. Remove the querystring if it is present.

  • rename

    record required
    • body

      array of type string required

      List of paramname:value pairs. Rename the parameter name if and only if content-type is one the following [application/json, multipart/form-data, application/x-www-form-urlencoded] and the parameter is present.

    • headers

      array of type string required

      List of headername:value pairs. If and only if the header is already set, rename the header. The value is unchanged. Ignored if the header is not already set.

    • querystring

      array of type string required

      List of queryname:value pairs. If and only if the field name is already set, rename the field name. The value is unchanged. Ignored if the field name is not already set.

  • replace

    record required
    • body

      array of type string required

      List of paramname:value pairs. If and only if content-type is one the following [application/json, multipart/form-data, application/x-www-form-urlencoded] and the parameter is already present, replace its old value with the new one. Ignored if the parameter is not already present.

    • headers

      array of type string required

      List of headername:value pairs. If and only if the header is already set, replace its old value with the new one. Ignored if the header is not already set.

    • querystring

      array of type string required

      List of queryname:value pairs. If and only if the field name is already set, replace its old value with the new one. Ignored if the field name is not already set.

    • uri

      string

      Updates the upstream request URI with a given value. This value can be used to update only the path part of the URI, not the scheme or the hostname.

  • add

    record required
    • body

      array of type string required

      List of paramname:value pairs. If and only if content-type is one the following [application/json, multipart/form-data, application/x-www-form-urlencoded] and the parameter is not present, add a new parameter with the given value to the form-encoded body. Ignored if the parameter is already present.

    • headers

      array of type string required

      List of headername:value pairs. If and only if the header is not already set, set a new header with the given value. Ignored if the header is already set.

    • querystring

      array of type string required

      List of queryname:value pairs. If and only if the querystring is not already set, set a new querystring with the given value. Ignored if the querystring is already set.

  • append

    record required
    • body

      array of type string required

      List of paramname:value pairs. If the content-type is one the following [application/json, application/x-www-form-urlencoded], add a new parameter with the given value if the parameter is not present. Otherwise, if it is already present, aggregate the two values (old and new) in an array.

    • headers

      array of type string required

      List of headername:value pairs. If the header is not set, set it with the given value. If it is already set, an additional new header with the same name and the new value will be appended.

    • querystring

      array of type string required

      List of queryname:value pairs. If the querystring is not set, set it with the given value. If it is already set, a new querystring with the same name and the new value will be set.