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ring_hash.pb.go
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ring_hash.pb.go
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// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.28.1
// protoc v3.21.12
// source: envoy/extensions/load_balancing_policies/ring_hash/v3/ring_hash.proto
package ring_hashv3
import (
_ "github.com/cncf/xds/go/udpa/annotations"
_ "github.com/envoyproxy/go-control-plane/envoy/annotations"
v3 "github.com/envoyproxy/go-control-plane/envoy/extensions/load_balancing_policies/common/v3"
_ "github.com/envoyproxy/protoc-gen-validate/validate"
wrappers "github.com/golang/protobuf/ptypes/wrappers"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
reflect "reflect"
sync "sync"
)
const (
// Verify that this generated code is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
// Verify that runtime/protoimpl is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
// The hash function used to hash hosts onto the ketama ring.
type RingHash_HashFunction int32
const (
// Currently defaults to XX_HASH.
RingHash_DEFAULT_HASH RingHash_HashFunction = 0
// Use `xxHash <https://github.com/Cyan4973/xxHash>`_.
RingHash_XX_HASH RingHash_HashFunction = 1
// Use `MurmurHash2 <https://sites.google.com/site/murmurhash/>`_, this is compatible with
// std:hash<string> in GNU libstdc++ 3.4.20 or above. This is typically the case when compiled
// on Linux and not macOS.
RingHash_MURMUR_HASH_2 RingHash_HashFunction = 2
)
// Enum value maps for RingHash_HashFunction.
var (
RingHash_HashFunction_name = map[int32]string{
0: "DEFAULT_HASH",
1: "XX_HASH",
2: "MURMUR_HASH_2",
}
RingHash_HashFunction_value = map[string]int32{
"DEFAULT_HASH": 0,
"XX_HASH": 1,
"MURMUR_HASH_2": 2,
}
)
func (x RingHash_HashFunction) Enum() *RingHash_HashFunction {
p := new(RingHash_HashFunction)
*p = x
return p
}
func (x RingHash_HashFunction) String() string {
return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
}
func (RingHash_HashFunction) Descriptor() protoreflect.EnumDescriptor {
return file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_enumTypes[0].Descriptor()
}
func (RingHash_HashFunction) Type() protoreflect.EnumType {
return &file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_enumTypes[0]
}
func (x RingHash_HashFunction) Number() protoreflect.EnumNumber {
return protoreflect.EnumNumber(x)
}
// Deprecated: Use RingHash_HashFunction.Descriptor instead.
func (RingHash_HashFunction) EnumDescriptor() ([]byte, []int) {
return file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_rawDescGZIP(), []int{0, 0}
}
// This configuration allows the built-in RING_HASH LB policy to be configured via the LB policy
// extension point. See the :ref:`load balancing architecture overview
// <arch_overview_load_balancing_types>` for more information.
// [#next-free-field: 8]
type RingHash struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// The hash function used to hash hosts onto the ketama ring. The value defaults to
// :ref:`XX_HASH<envoy_v3_api_enum_value_config.cluster.v3.Cluster.RingHashLbConfig.HashFunction.XX_HASH>`.
HashFunction RingHash_HashFunction `protobuf:"varint,1,opt,name=hash_function,json=hashFunction,proto3,enum=envoy.extensions.load_balancing_policies.ring_hash.v3.RingHash_HashFunction" json:"hash_function,omitempty"`
// Minimum hash ring size. The larger the ring is (that is, the more hashes there are for each
// provided host) the better the request distribution will reflect the desired weights. Defaults
// to 1024 entries, and limited to 8M entries. See also
// :ref:`maximum_ring_size<envoy_v3_api_field_config.cluster.v3.Cluster.RingHashLbConfig.maximum_ring_size>`.
MinimumRingSize *wrappers.UInt64Value `protobuf:"bytes,2,opt,name=minimum_ring_size,json=minimumRingSize,proto3" json:"minimum_ring_size,omitempty"`
// Maximum hash ring size. Defaults to 8M entries, and limited to 8M entries, but can be lowered
// to further constrain resource use. See also
// :ref:`minimum_ring_size<envoy_v3_api_field_config.cluster.v3.Cluster.RingHashLbConfig.minimum_ring_size>`.
MaximumRingSize *wrappers.UInt64Value `protobuf:"bytes,3,opt,name=maximum_ring_size,json=maximumRingSize,proto3" json:"maximum_ring_size,omitempty"`
// If set to `true`, the cluster will use hostname instead of the resolved
// address as the key to consistently hash to an upstream host. Only valid for StrictDNS clusters with hostnames which resolve to a single IP address.
//
// ..note::
// This is deprecated and please use :ref:`consistent_hashing_lb_config
// <envoy_v3_api_field_extensions.load_balancing_policies.ring_hash.v3.RingHash.consistent_hashing_lb_config>` instead.
//
// Deprecated: Do not use.
UseHostnameForHashing bool `protobuf:"varint,4,opt,name=use_hostname_for_hashing,json=useHostnameForHashing,proto3" json:"use_hostname_for_hashing,omitempty"`
// Configures percentage of average cluster load to bound per upstream host. For example, with a value of 150
// no upstream host will get a load more than 1.5 times the average load of all the hosts in the cluster.
// If not specified, the load is not bounded for any upstream host. Typical value for this parameter is between 120 and 200.
// Minimum is 100.
//
// This is implemented based on the method described in the paper https://arxiv.org/abs/1608.01350. For the specified
// `hash_balance_factor`, requests to any upstream host are capped at `hash_balance_factor/100` times the average number of requests
// across the cluster. When a request arrives for an upstream host that is currently serving at its max capacity, linear probing
// is used to identify an eligible host. Further, the linear probe is implemented using a random jump in hosts ring/table to identify
// the eligible host (this technique is as described in the paper https://arxiv.org/abs/1908.08762 - the random jump avoids the
// cascading overflow effect when choosing the next host in the ring/table).
//
// If weights are specified on the hosts, they are respected.
//
// This is an O(N) algorithm, unlike other load balancers. Using a lower `hash_balance_factor` results in more hosts
// being probed, so use a higher value if you require better performance.
//
// ..note::
// This is deprecated and please use :ref:`consistent_hashing_lb_config
// <envoy_v3_api_field_extensions.load_balancing_policies.ring_hash.v3.RingHash.consistent_hashing_lb_config>` instead.
//
// Deprecated: Do not use.
HashBalanceFactor *wrappers.UInt32Value `protobuf:"bytes,5,opt,name=hash_balance_factor,json=hashBalanceFactor,proto3" json:"hash_balance_factor,omitempty"`
// Common configuration for hashing-based load balancing policies.
ConsistentHashingLbConfig *v3.ConsistentHashingLbConfig `protobuf:"bytes,6,opt,name=consistent_hashing_lb_config,json=consistentHashingLbConfig,proto3" json:"consistent_hashing_lb_config,omitempty"`
// Enable locality weighted load balancing for ring hash lb explicitly.
LocalityWeightedLbConfig *v3.LocalityLbConfig_LocalityWeightedLbConfig `protobuf:"bytes,7,opt,name=locality_weighted_lb_config,json=localityWeightedLbConfig,proto3" json:"locality_weighted_lb_config,omitempty"`
}
func (x *RingHash) Reset() {
*x = RingHash{}
if protoimpl.UnsafeEnabled {
mi := &file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *RingHash) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*RingHash) ProtoMessage() {}
func (x *RingHash) ProtoReflect() protoreflect.Message {
mi := &file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_msgTypes[0]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use RingHash.ProtoReflect.Descriptor instead.
func (*RingHash) Descriptor() ([]byte, []int) {
return file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_rawDescGZIP(), []int{0}
}
func (x *RingHash) GetHashFunction() RingHash_HashFunction {
if x != nil {
return x.HashFunction
}
return RingHash_DEFAULT_HASH
}
func (x *RingHash) GetMinimumRingSize() *wrappers.UInt64Value {
if x != nil {
return x.MinimumRingSize
}
return nil
}
func (x *RingHash) GetMaximumRingSize() *wrappers.UInt64Value {
if x != nil {
return x.MaximumRingSize
}
return nil
}
// Deprecated: Do not use.
func (x *RingHash) GetUseHostnameForHashing() bool {
if x != nil {
return x.UseHostnameForHashing
}
return false
}
// Deprecated: Do not use.
func (x *RingHash) GetHashBalanceFactor() *wrappers.UInt32Value {
if x != nil {
return x.HashBalanceFactor
}
return nil
}
func (x *RingHash) GetConsistentHashingLbConfig() *v3.ConsistentHashingLbConfig {
if x != nil {
return x.ConsistentHashingLbConfig
}
return nil
}
func (x *RingHash) GetLocalityWeightedLbConfig() *v3.LocalityLbConfig_LocalityWeightedLbConfig {
if x != nil {
return x.LocalityWeightedLbConfig
}
return nil
}
var File_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto protoreflect.FileDescriptor
var file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_rawDesc = []byte{
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}
var (
file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_rawDescOnce sync.Once
file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_rawDescData = file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_rawDesc
)
func file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_rawDescGZIP() []byte {
file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_rawDescOnce.Do(func() {
file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_rawDescData = protoimpl.X.CompressGZIP(file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_rawDescData)
})
return file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_rawDescData
}
var file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
var file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
var file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_goTypes = []interface{}{
(RingHash_HashFunction)(0), // 0: envoy.extensions.load_balancing_policies.ring_hash.v3.RingHash.HashFunction
(*RingHash)(nil), // 1: envoy.extensions.load_balancing_policies.ring_hash.v3.RingHash
(*wrappers.UInt64Value)(nil), // 2: google.protobuf.UInt64Value
(*wrappers.UInt32Value)(nil), // 3: google.protobuf.UInt32Value
(*v3.ConsistentHashingLbConfig)(nil), // 4: envoy.extensions.load_balancing_policies.common.v3.ConsistentHashingLbConfig
(*v3.LocalityLbConfig_LocalityWeightedLbConfig)(nil), // 5: envoy.extensions.load_balancing_policies.common.v3.LocalityLbConfig.LocalityWeightedLbConfig
}
var file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_depIdxs = []int32{
0, // 0: envoy.extensions.load_balancing_policies.ring_hash.v3.RingHash.hash_function:type_name -> envoy.extensions.load_balancing_policies.ring_hash.v3.RingHash.HashFunction
2, // 1: envoy.extensions.load_balancing_policies.ring_hash.v3.RingHash.minimum_ring_size:type_name -> google.protobuf.UInt64Value
2, // 2: envoy.extensions.load_balancing_policies.ring_hash.v3.RingHash.maximum_ring_size:type_name -> google.protobuf.UInt64Value
3, // 3: envoy.extensions.load_balancing_policies.ring_hash.v3.RingHash.hash_balance_factor:type_name -> google.protobuf.UInt32Value
4, // 4: envoy.extensions.load_balancing_policies.ring_hash.v3.RingHash.consistent_hashing_lb_config:type_name -> envoy.extensions.load_balancing_policies.common.v3.ConsistentHashingLbConfig
5, // 5: envoy.extensions.load_balancing_policies.ring_hash.v3.RingHash.locality_weighted_lb_config:type_name -> envoy.extensions.load_balancing_policies.common.v3.LocalityLbConfig.LocalityWeightedLbConfig
6, // [6:6] is the sub-list for method output_type
6, // [6:6] is the sub-list for method input_type
6, // [6:6] is the sub-list for extension type_name
6, // [6:6] is the sub-list for extension extendee
0, // [0:6] is the sub-list for field type_name
}
func init() { file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_init() }
func file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_init() {
if File_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*RingHash); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_rawDesc,
NumEnums: 1,
NumMessages: 1,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_goTypes,
DependencyIndexes: file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_depIdxs,
EnumInfos: file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_enumTypes,
MessageInfos: file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_msgTypes,
}.Build()
File_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto = out.File
file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_rawDesc = nil
file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_goTypes = nil
file_envoy_extensions_load_balancing_policies_ring_hash_v3_ring_hash_proto_depIdxs = nil
}