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expr.proto
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expr.proto
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syntax = "proto3";
package envoy.extensions.rate_limit_descriptors.expr.v3;
import "google/api/expr/v1alpha1/syntax.proto";
import "udpa/annotations/status.proto";
import "validate/validate.proto";
option java_package = "io.envoyproxy.envoy.extensions.rate_limit_descriptors.expr.v3";
option java_outer_classname = "ExprProto";
option java_multiple_files = true;
option (udpa.annotations.file_status).package_version_status = ACTIVE;
// [#protodoc-title: Rate limit descriptor expression]
// [#extension: envoy.rate_limit_descriptors.expr]
// The following descriptor entry is appended with a value computed
// from a symbolic Common Expression Language expression.
// See :ref:`attributes <arch_overview_attributes>` for the set of
// available attributes.
//
// .. code-block:: cpp
//
// ("<descriptor_key>", "<expression_value>")
message Descriptor {
// The key to use in the descriptor entry.
string descriptor_key = 1 [(validate.rules).string = {min_len: 1}];
// If set to true, Envoy skips the descriptor if the expression evaluates to an error.
// By default, the rate limit is not applied when an expression produces an error.
bool skip_if_error = 2;
oneof expr_specifier {
// Expression in a text form, e.g. "connection.requested_server_name".
string text = 3 [(validate.rules).string = {min_len: 1}];
// Parsed expression in AST form.
google.api.expr.v1alpha1.Expr parsed = 4;
}
}