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added failure percent algo support for grpc-xds proxyless
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barik.a authored and aditya-32 committed Nov 26, 2023
1 parent 2565f61 commit 73bbc00
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472 changes: 472 additions & 0 deletions kubernetes/customresourcedefinitions.gen.yaml

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641 changes: 466 additions & 175 deletions networking/v1alpha3/destination_rule.pb.go

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178 changes: 177 additions & 1 deletion networking/v1alpha3/destination_rule.pb.html

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68 changes: 68 additions & 0 deletions networking/v1alpha3/destination_rule.proto
Original file line number Diff line number Diff line change
Expand Up @@ -946,6 +946,74 @@ message OutlierDetection {
// disabled by setting it to 0%. The default is 0% as it's not typically
// applicable in k8s environments with few pods per service.
int32 min_health_percent = 5;

// FailurePercent Algorithm for Grpc-xds proxyless for deciding
// if the host is an outlier or not.
FailurePercentageEjection failure_percentage_ejection = 10;

// SuccessRateEjection Algorithm for Grpc-xds proxyless for deciding
// if the host is an outlier or not.
SuccessRateEjection success_rate_ejection = 11;
}

// Parameters for the failure percentage algorithm.
// This algorithm ejects individual endpoints whose failure rate is greater than
// some threshold, independently of any other endpoint
// Defaults to values declared in envoy.config.cluster.v3.OutlierDetection.SuccessRateEjection
message FailurePercentageEjection {
// The failure percentage to use when determining failure percentage-based outlier detection. If
// the failure percentage of a given address is greater than or equal to this value, it will be
// ejected.
google.protobuf.UInt32Value threshold = 1;

// The % chance that an address will be actually ejected when an outlier status is detected through
// failure percentage statistics. This setting can be used to disable ejection or to ramp it up
// slowly.
google.protobuf.UInt32Value enforcement_percentage = 2;

// The minimum number of addresses in order to perform failure percentage-based ejection.
// If the total number of addresses is less than this value, failure percentage-based
// ejection will not be performed.
google.protobuf.UInt32Value minimum_hosts = 3;

// The minimum number of total requests that must be collected in one interval (as defined by the
// interval duration above) to perform failure percentage-based ejection for this address. If the
// volume is lower than this setting, failure percentage-based ejection will not be performed for
// this host.
google.protobuf.UInt32Value request_volume = 4;
}

// Parameters for the success rate ejection algorithm.
// This algorithm monitors the request success rate for all endpoints and
// ejects individual endpoints whose success rates are statistical outliers.
// Defaults to values declared in envoy.config.cluster.v3.OutlierDetection.SuccessRateEjection
message SuccessRateEjection {
// This factor is used to determine the ejection threshold for success rate
// outlier ejection. The ejection threshold is the difference between the
// mean success rate, and the product of this factor and the standard
// deviation of the mean success rate: mean - (stdev *
// success_rate_stdev_factor). This factor is divided by a thousand to get a
// double. That is, if the desired factor is 1.9, the runtime value should
// be 1900.
google.protobuf.UInt32Value stdev_factor = 1;

// The % chance that an address will be actually ejected when an outlier status
// is detected through success rate statistics. This setting can be used to
// disable ejection or to ramp it up slowly.
google.protobuf.UInt32Value enforcement_percentage = 2;

// The number of addresses that must have enough request volume to
// detect success rate outliers. If the number of addresses is less than this
// setting, outlier detection via success rate statistics is not performed
// for any addresses.
google.protobuf.UInt32Value minimum_hosts = 3;

// The minimum number of total requests that must be collected in one
// interval (as defined by the interval duration above) to include this address
// in success rate based outlier detection. If the volume is lower than this
// setting, outlier detection via success rate statistics is not performed
// for that address.
google.protobuf.UInt32Value request_volume = 4;
}

// SSL/TLS related settings for upstream connections. See Envoy's [TLS
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42 changes: 42 additions & 0 deletions networking/v1alpha3/destination_rule_deepcopy.gen.go

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22 changes: 22 additions & 0 deletions networking/v1alpha3/destination_rule_json.gen.go

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