io.envoyproxy.envoy.extensions.formatter.metadata.v3.Metadata Maven / Gradle / Ivy
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// Generated by the protocol buffer compiler. DO NOT EDIT!
// source: envoy/extensions/formatter/metadata/v3/metadata.proto
// Protobuf Java Version: 3.25.1
package io.envoyproxy.envoy.extensions.formatter.metadata.v3;
/**
*
* %METADATA(TYPE:NAMESPACE:KEY):Z%
* :ref:`Metadata <envoy_v3_api_msg_config.core.v3.Metadata>` info,
* where TYPE is type of metadata (see above for supported types),
* NAMESPACE is the filter namespace used when setting the metadata, KEY is an optional
* lookup key in the namespace with the option of specifying nested keys separated by ':',
* and Z is an optional parameter denoting string truncation up to Z characters long.
* The data will be logged as a JSON string. For example, for the following ROUTE metadata:
*
* ``com.test.my_filter: {"test_key": "foo", "test_object": {"inner_key": "bar"}}``
*
* * %METADATA(ROUTE:com.test.my_filter)% will log: ``{"test_key": "foo", "test_object": {"inner_key": "bar"}}``
* * %METADATA(ROUTE:com.test.my_filter:test_key)% will log: ``foo``
* * %METADATA(ROUTE:com.test.my_filter:test_object)% will log: ``{"inner_key": "bar"}``
* * %METADATA(ROUTE:com.test.my_filter:test_object:inner_key)% will log: ``bar``
* * %METADATA(ROUTE:com.unknown_filter)% will log: ``-``
* * %METADATA(ROUTE:com.test.my_filter:unknown_key)% will log: ``-``
* * %METADATA(ROUTE:com.test.my_filter):25% will log (truncation at 25 characters): ``{"test_key": "foo", "test``
*
* .. note::
*
* For typed JSON logs, this operator renders a single value with string, numeric, or boolean type
* when the referenced key is a simple value. If the referenced key is a struct or list value, a
* JSON struct or list is rendered. Structs and lists may be nested. In any event, the maximum
* length is ignored.
*
* .. note::
*
* METADATA(DYNAMIC:NAMESPACE:KEY):Z is equivalent to :ref:`DYNAMIC_METADATA(NAMESPACE:KEY):Z<config_access_log_format_dynamic_metadata>`
* METADATA(CLUSTER:NAMESPACE:KEY):Z is equivalent to :ref:`CLUSTER_METADATA(NAMESPACE:KEY):Z<config_access_log_format_cluster_metadata>`
* METADATA(UPSTREAM_HOST:NAMESPACE:KEY):Z is equivalent to :ref:`UPSTREAM_METADATA(NAMESPACE:KEY):Z<config_access_log_format_upstream_host_metadata>`
*
* .. warning::
* This extension is treated as built-in extension and will be enabled by default now.
* It is unnecessary to configure this extension.
*
*
* Protobuf type {@code envoy.extensions.formatter.metadata.v3.Metadata}
*/
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/**
*
* %METADATA(TYPE:NAMESPACE:KEY):Z%
* :ref:`Metadata <envoy_v3_api_msg_config.core.v3.Metadata>` info,
* where TYPE is type of metadata (see above for supported types),
* NAMESPACE is the filter namespace used when setting the metadata, KEY is an optional
* lookup key in the namespace with the option of specifying nested keys separated by ':',
* and Z is an optional parameter denoting string truncation up to Z characters long.
* The data will be logged as a JSON string. For example, for the following ROUTE metadata:
*
* ``com.test.my_filter: {"test_key": "foo", "test_object": {"inner_key": "bar"}}``
*
* * %METADATA(ROUTE:com.test.my_filter)% will log: ``{"test_key": "foo", "test_object": {"inner_key": "bar"}}``
* * %METADATA(ROUTE:com.test.my_filter:test_key)% will log: ``foo``
* * %METADATA(ROUTE:com.test.my_filter:test_object)% will log: ``{"inner_key": "bar"}``
* * %METADATA(ROUTE:com.test.my_filter:test_object:inner_key)% will log: ``bar``
* * %METADATA(ROUTE:com.unknown_filter)% will log: ``-``
* * %METADATA(ROUTE:com.test.my_filter:unknown_key)% will log: ``-``
* * %METADATA(ROUTE:com.test.my_filter):25% will log (truncation at 25 characters): ``{"test_key": "foo", "test``
*
* .. note::
*
* For typed JSON logs, this operator renders a single value with string, numeric, or boolean type
* when the referenced key is a simple value. If the referenced key is a struct or list value, a
* JSON struct or list is rendered. Structs and lists may be nested. In any event, the maximum
* length is ignored.
*
* .. note::
*
* METADATA(DYNAMIC:NAMESPACE:KEY):Z is equivalent to :ref:`DYNAMIC_METADATA(NAMESPACE:KEY):Z<config_access_log_format_dynamic_metadata>`
* METADATA(CLUSTER:NAMESPACE:KEY):Z is equivalent to :ref:`CLUSTER_METADATA(NAMESPACE:KEY):Z<config_access_log_format_cluster_metadata>`
* METADATA(UPSTREAM_HOST:NAMESPACE:KEY):Z is equivalent to :ref:`UPSTREAM_METADATA(NAMESPACE:KEY):Z<config_access_log_format_upstream_host_metadata>`
*
* .. warning::
* This extension is treated as built-in extension and will be enabled by default now.
* It is unnecessary to configure this extension.
*
*
* Protobuf type {@code envoy.extensions.formatter.metadata.v3.Metadata}
*/
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