Logging and monitoring for Secure Web Proxy callouts

backend_target_name

string

Name of the backend target of the extension.

backend_target_type

string

Type of the backend target.

chain

string

Name of the extension chain within the service extension resource that matches the request.

extension

string

Name of the extension within the extension chain.

failed_open

boolean

When the extension configuration has failOpen set to true , the value true for this metric indicates that processing continued when the extension timed out or failed.

Applies only to regional external Application Load Balancers, regional internal Application Load Balancers, and cross-region internal Application Load Balancers.

grpc_status

enum

The most recent status on the gRPC stream. For more information, see gRPC status codes .

per_processing_request_info

array

A list of either ProcessingRequest stats for ext_proc extensions or CheckRequest stats for ext_authz extensions that occur over the gRPC stream.

per_processing_request_info[].event_type

enum

The event type of ProcessingRequest . Can be one of these: REQUEST_HEADERS , REQUEST_BODY , RESPONSE_HEADERS , or RESPONSE_BODY .

per_processing_request_info[].latency

duration

The duration from when the first byte of the ProcessingRequest message is sent to the extension to when the last byte of the ProcessingResponse message is received.

per_processing_request_info[].processing_effect

enum

The result of processing for each event in a processing request.Applies only to regional external Application Load Balancers, regional internal Application Load Balancers, and cross-region internal Application Load Balancers.

Can be one of the following values:

• NONE : indicates that contents were not changed.
• NONE_FAILED_OPEN : indicates that no mutations were performed because the extension failed open.
• CONTENT_MODIFIED : indicates that content was changed by a successfully applied mutation request.
• IMMEDIATE_RESPONSE : indicates that an immediate response was sent by the extension to halt all further processing.
• MUTATION_REJECTED : indicates that the extension requested at least one disallowed change and further processing was discontinued. Appropriate error messages are logged.
• UNSPECIFIED : indicates that the effect of processing is not known.

per_processing_request_info[].processing_effect_details

string

When processing_effect is MUTATION_REJECTED , the details about why a mutation was rejected.

Applies only to regional external Application Load Balancers, regional internal Application Load Balancers, and cross-region internal Application Load Balancers.

resource

string

Name of the extension resource