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cds.pb.go
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cds.pb.go
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// Code generated by protoc-gen-gogo. DO NOT EDIT.
// source: envoy/api/v2/cds.proto
package v2
import proto "github.com/gogo/protobuf/proto"
import fmt "fmt"
import math "math"
import auth "github.com/envoyproxy/go-control-plane/envoy/api/v2/auth"
import cluster "github.com/envoyproxy/go-control-plane/envoy/api/v2/cluster"
import core "github.com/envoyproxy/go-control-plane/envoy/api/v2/core"
import _type "github.com/envoyproxy/go-control-plane/envoy/type"
import _ "github.com/gogo/googleapis/google/api"
import _ "github.com/gogo/protobuf/gogoproto"
import types "github.com/gogo/protobuf/types"
import _ "github.com/lyft/protoc-gen-validate/validate"
import time "time"
import bytes "bytes"
import (
context "golang.org/x/net/context"
grpc "google.golang.org/grpc"
)
import github_com_gogo_protobuf_types "github.com/gogo/protobuf/types"
import io "io"
// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = fmt.Errorf
var _ = math.Inf
var _ = time.Kitchen
// This is a compile-time assertion to ensure that this generated file
// is compatible with the proto package it is being compiled against.
// A compilation error at this line likely means your copy of the
// proto package needs to be updated.
const _ = proto.GoGoProtoPackageIsVersion2 // please upgrade the proto package
// Refer to :ref:`service discovery type <arch_overview_service_discovery_types>`
// for an explanation on each type.
type Cluster_DiscoveryType int32
const (
// Refer to the :ref:`static discovery type<arch_overview_service_discovery_types_static>`
// for an explanation.
Cluster_STATIC Cluster_DiscoveryType = 0
// Refer to the :ref:`strict DNS discovery
// type<arch_overview_service_discovery_types_strict_dns>`
// for an explanation.
Cluster_STRICT_DNS Cluster_DiscoveryType = 1
// Refer to the :ref:`logical DNS discovery
// type<arch_overview_service_discovery_types_logical_dns>`
// for an explanation.
Cluster_LOGICAL_DNS Cluster_DiscoveryType = 2
// Refer to the :ref:`service discovery type<arch_overview_service_discovery_types_eds>`
// for an explanation.
Cluster_EDS Cluster_DiscoveryType = 3
// Refer to the :ref:`original destination discovery
// type<arch_overview_service_discovery_types_original_destination>`
// for an explanation.
Cluster_ORIGINAL_DST Cluster_DiscoveryType = 4
)
var Cluster_DiscoveryType_name = map[int32]string{
0: "STATIC",
1: "STRICT_DNS",
2: "LOGICAL_DNS",
3: "EDS",
4: "ORIGINAL_DST",
}
var Cluster_DiscoveryType_value = map[string]int32{
"STATIC": 0,
"STRICT_DNS": 1,
"LOGICAL_DNS": 2,
"EDS": 3,
"ORIGINAL_DST": 4,
}
func (x Cluster_DiscoveryType) String() string {
return proto.EnumName(Cluster_DiscoveryType_name, int32(x))
}
func (Cluster_DiscoveryType) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_cds_5c684166731b9ad1, []int{0, 0}
}
// Refer to :ref:`load balancer type <arch_overview_load_balancing_types>` architecture
// overview section for information on each type.
type Cluster_LbPolicy int32
const (
// Refer to the :ref:`round robin load balancing
// policy<arch_overview_load_balancing_types_round_robin>`
// for an explanation.
Cluster_ROUND_ROBIN Cluster_LbPolicy = 0
// Refer to the :ref:`least request load balancing
// policy<arch_overview_load_balancing_types_least_request>`
// for an explanation.
Cluster_LEAST_REQUEST Cluster_LbPolicy = 1
// Refer to the :ref:`ring hash load balancing
// policy<arch_overview_load_balancing_types_ring_hash>`
// for an explanation.
Cluster_RING_HASH Cluster_LbPolicy = 2
// Refer to the :ref:`random load balancing
// policy<arch_overview_load_balancing_types_random>`
// for an explanation.
Cluster_RANDOM Cluster_LbPolicy = 3
// Refer to the :ref:`original destination load balancing
// policy<arch_overview_load_balancing_types_original_destination>`
// for an explanation.
Cluster_ORIGINAL_DST_LB Cluster_LbPolicy = 4
// Refer to the :ref:`Maglev load balancing policy<arch_overview_load_balancing_types_maglev>`
// for an explanation.
Cluster_MAGLEV Cluster_LbPolicy = 5
)
var Cluster_LbPolicy_name = map[int32]string{
0: "ROUND_ROBIN",
1: "LEAST_REQUEST",
2: "RING_HASH",
3: "RANDOM",
4: "ORIGINAL_DST_LB",
5: "MAGLEV",
}
var Cluster_LbPolicy_value = map[string]int32{
"ROUND_ROBIN": 0,
"LEAST_REQUEST": 1,
"RING_HASH": 2,
"RANDOM": 3,
"ORIGINAL_DST_LB": 4,
"MAGLEV": 5,
}
func (x Cluster_LbPolicy) String() string {
return proto.EnumName(Cluster_LbPolicy_name, int32(x))
}
func (Cluster_LbPolicy) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_cds_5c684166731b9ad1, []int{0, 1}
}
// When V4_ONLY is selected, the DNS resolver will only perform a lookup for
// addresses in the IPv4 family. If V6_ONLY is selected, the DNS resolver will
// only perform a lookup for addresses in the IPv6 family. If AUTO is
// specified, the DNS resolver will first perform a lookup for addresses in
// the IPv6 family and fallback to a lookup for addresses in the IPv4 family.
// For cluster types other than
// :ref:`STRICT_DNS<envoy_api_enum_value_Cluster.DiscoveryType.STRICT_DNS>` and
// :ref:`LOGICAL_DNS<envoy_api_enum_value_Cluster.DiscoveryType.LOGICAL_DNS>`,
// this setting is
// ignored.
type Cluster_DnsLookupFamily int32
const (
Cluster_AUTO Cluster_DnsLookupFamily = 0
Cluster_V4_ONLY Cluster_DnsLookupFamily = 1
Cluster_V6_ONLY Cluster_DnsLookupFamily = 2
)
var Cluster_DnsLookupFamily_name = map[int32]string{
0: "AUTO",
1: "V4_ONLY",
2: "V6_ONLY",
}
var Cluster_DnsLookupFamily_value = map[string]int32{
"AUTO": 0,
"V4_ONLY": 1,
"V6_ONLY": 2,
}
func (x Cluster_DnsLookupFamily) String() string {
return proto.EnumName(Cluster_DnsLookupFamily_name, int32(x))
}
func (Cluster_DnsLookupFamily) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_cds_5c684166731b9ad1, []int{0, 2}
}
type Cluster_ClusterProtocolSelection int32
const (
// Cluster can only operate on one of the possible upstream protocols (HTTP1.1, HTTP2).
// If :ref:`http2_protocol_options <envoy_api_field_Cluster.http2_protocol_options>` are
// present, HTTP2 will be used, otherwise HTTP1.1 will be used.
Cluster_USE_CONFIGURED_PROTOCOL Cluster_ClusterProtocolSelection = 0
// Use HTTP1.1 or HTTP2, depending on which one is used on the downstream connection.
Cluster_USE_DOWNSTREAM_PROTOCOL Cluster_ClusterProtocolSelection = 1
)
var Cluster_ClusterProtocolSelection_name = map[int32]string{
0: "USE_CONFIGURED_PROTOCOL",
1: "USE_DOWNSTREAM_PROTOCOL",
}
var Cluster_ClusterProtocolSelection_value = map[string]int32{
"USE_CONFIGURED_PROTOCOL": 0,
"USE_DOWNSTREAM_PROTOCOL": 1,
}
func (x Cluster_ClusterProtocolSelection) String() string {
return proto.EnumName(Cluster_ClusterProtocolSelection_name, int32(x))
}
func (Cluster_ClusterProtocolSelection) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_cds_5c684166731b9ad1, []int{0, 3}
}
// If NO_FALLBACK is selected, a result
// equivalent to no healthy hosts is reported. If ANY_ENDPOINT is selected,
// any cluster endpoint may be returned (subject to policy, health checks,
// etc). If DEFAULT_SUBSET is selected, load balancing is performed over the
// endpoints matching the values from the default_subset field.
type Cluster_LbSubsetConfig_LbSubsetFallbackPolicy int32
const (
Cluster_LbSubsetConfig_NO_FALLBACK Cluster_LbSubsetConfig_LbSubsetFallbackPolicy = 0
Cluster_LbSubsetConfig_ANY_ENDPOINT Cluster_LbSubsetConfig_LbSubsetFallbackPolicy = 1
Cluster_LbSubsetConfig_DEFAULT_SUBSET Cluster_LbSubsetConfig_LbSubsetFallbackPolicy = 2
)
var Cluster_LbSubsetConfig_LbSubsetFallbackPolicy_name = map[int32]string{
0: "NO_FALLBACK",
1: "ANY_ENDPOINT",
2: "DEFAULT_SUBSET",
}
var Cluster_LbSubsetConfig_LbSubsetFallbackPolicy_value = map[string]int32{
"NO_FALLBACK": 0,
"ANY_ENDPOINT": 1,
"DEFAULT_SUBSET": 2,
}
func (x Cluster_LbSubsetConfig_LbSubsetFallbackPolicy) String() string {
return proto.EnumName(Cluster_LbSubsetConfig_LbSubsetFallbackPolicy_name, int32(x))
}
func (Cluster_LbSubsetConfig_LbSubsetFallbackPolicy) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_cds_5c684166731b9ad1, []int{0, 3, 0}
}
// Configuration for a single upstream cluster.
// [#comment:next free field: 38]
type Cluster struct {
// Supplies the name of the cluster which must be unique across all clusters.
// The cluster name is used when emitting
// :ref:`statistics <config_cluster_manager_cluster_stats>` if :ref:`alt_stat_name
// <envoy_api_field_Cluster.alt_stat_name>` is not provided.
// Any ``:`` in the cluster name will be converted to ``_`` when emitting statistics.
// By default, the maximum length of a cluster name is limited to 60
// characters. This limit can be increased by setting the
// :option:`--max-obj-name-len` command line argument to the desired value.
Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
// An optional alternative to the cluster name to be used while emitting stats.
// Any ``:`` in the name will be converted to ``_`` when emitting statistics. This should not be
// confused with :ref:`Router Filter Header
// <config_http_filters_router_x-envoy-upstream-alt-stat-name>`.
AltStatName string `protobuf:"bytes,28,opt,name=alt_stat_name,json=altStatName,proto3" json:"alt_stat_name,omitempty"`
// The :ref:`service discovery type <arch_overview_service_discovery_types>`
// to use for resolving the cluster.
Type Cluster_DiscoveryType `protobuf:"varint,2,opt,name=type,proto3,enum=envoy.api.v2.Cluster_DiscoveryType" json:"type,omitempty"`
// Configuration to use for EDS updates for the Cluster.
EdsClusterConfig *Cluster_EdsClusterConfig `protobuf:"bytes,3,opt,name=eds_cluster_config,json=edsClusterConfig,proto3" json:"eds_cluster_config,omitempty"`
// The timeout for new network connections to hosts in the cluster.
ConnectTimeout time.Duration `protobuf:"bytes,4,opt,name=connect_timeout,json=connectTimeout,proto3,stdduration" json:"connect_timeout"`
// Soft limit on size of the cluster’s connections read and write buffers. If
// unspecified, an implementation defined default is applied (1MiB).
PerConnectionBufferLimitBytes *types.UInt32Value `protobuf:"bytes,5,opt,name=per_connection_buffer_limit_bytes,json=perConnectionBufferLimitBytes,proto3" json:"per_connection_buffer_limit_bytes,omitempty"`
// The :ref:`load balancer type <arch_overview_load_balancing_types>` to use
// when picking a host in the cluster.
LbPolicy Cluster_LbPolicy `protobuf:"varint,6,opt,name=lb_policy,json=lbPolicy,proto3,enum=envoy.api.v2.Cluster_LbPolicy" json:"lb_policy,omitempty"`
// If the service discovery type is
// :ref:`STATIC<envoy_api_enum_value_Cluster.DiscoveryType.STATIC>`,
// :ref:`STRICT_DNS<envoy_api_enum_value_Cluster.DiscoveryType.STRICT_DNS>`
// or :ref:`LOGICAL_DNS<envoy_api_enum_value_Cluster.DiscoveryType.LOGICAL_DNS>`,
// then hosts is required.
//
// .. attention::
//
// **This field is deprecated**. Set the
// :ref:`load_assignment<envoy_api_field_Cluster.load_assignment>` field instead.
//
Hosts []*core.Address `protobuf:"bytes,7,rep,name=hosts,proto3" json:"hosts,omitempty"` // Deprecated: Do not use.
// Setting this is required for specifying members of
// :ref:`STATIC<envoy_api_enum_value_Cluster.DiscoveryType.STATIC>`,
// :ref:`STRICT_DNS<envoy_api_enum_value_Cluster.DiscoveryType.STRICT_DNS>`
// or :ref:`LOGICAL_DNS<envoy_api_enum_value_Cluster.DiscoveryType.LOGICAL_DNS>` clusters.
// This field supersedes :ref:`hosts<envoy_api_field_Cluster.hosts>` field.
// [#comment:TODO(dio): Deprecate the hosts field and add it to DEPRECATED.md
// once load_assignment is implemented.]
//
// .. attention::
//
// Setting this allows non-EDS cluster types to contain embedded EDS equivalent
// :ref:`endpoint assignments<envoy_api_msg_ClusterLoadAssignment>`.
// Setting this overrides :ref:`hosts<envoy_api_field_Cluster.hosts>` values.
//
LoadAssignment *ClusterLoadAssignment `protobuf:"bytes,33,opt,name=load_assignment,json=loadAssignment,proto3" json:"load_assignment,omitempty"`
// Optional :ref:`active health checking <arch_overview_health_checking>`
// configuration for the cluster. If no
// configuration is specified no health checking will be done and all cluster
// members will be considered healthy at all times.
HealthChecks []*core.HealthCheck `protobuf:"bytes,8,rep,name=health_checks,json=healthChecks,proto3" json:"health_checks,omitempty"`
// Optional maximum requests for a single upstream connection. This parameter
// is respected by both the HTTP/1.1 and HTTP/2 connection pool
// implementations. If not specified, there is no limit. Setting this
// parameter to 1 will effectively disable keep alive.
MaxRequestsPerConnection *types.UInt32Value `protobuf:"bytes,9,opt,name=max_requests_per_connection,json=maxRequestsPerConnection,proto3" json:"max_requests_per_connection,omitempty"`
// Optional :ref:`circuit breaking <arch_overview_circuit_break>` for the cluster.
CircuitBreakers *cluster.CircuitBreakers `protobuf:"bytes,10,opt,name=circuit_breakers,json=circuitBreakers,proto3" json:"circuit_breakers,omitempty"`
// The TLS configuration for connections to the upstream cluster. If no TLS
// configuration is specified, TLS will not be used for new connections.
//
// .. attention::
//
// Server certificate verification is not enabled by default. Configure
// :ref:`trusted_ca<envoy_api_field_auth.CertificateValidationContext.trusted_ca>` to enable
// verification.
TlsContext *auth.UpstreamTlsContext `protobuf:"bytes,11,opt,name=tls_context,json=tlsContext,proto3" json:"tls_context,omitempty"`
// Additional options when handling HTTP requests. These options will be applicable to both
// HTTP1 and HTTP2 requests.
CommonHttpProtocolOptions *core.HttpProtocolOptions `protobuf:"bytes,29,opt,name=common_http_protocol_options,json=commonHttpProtocolOptions,proto3" json:"common_http_protocol_options,omitempty"`
// Additional options when handling HTTP1 requests.
HttpProtocolOptions *core.Http1ProtocolOptions `protobuf:"bytes,13,opt,name=http_protocol_options,json=httpProtocolOptions,proto3" json:"http_protocol_options,omitempty"`
// Even if default HTTP2 protocol options are desired, this field must be
// set so that Envoy will assume that the upstream supports HTTP/2 when
// making new HTTP connection pool connections. Currently, Envoy only
// supports prior knowledge for upstream connections. Even if TLS is used
// with ALPN, `http2_protocol_options` must be specified. As an aside this allows HTTP/2
// connections to happen over plain text.
Http2ProtocolOptions *core.Http2ProtocolOptions `protobuf:"bytes,14,opt,name=http2_protocol_options,json=http2ProtocolOptions,proto3" json:"http2_protocol_options,omitempty"`
// The extension_protocol_options field is used to provide extension-specific protocol options
// for upstream connections. The key should match the extension filter name, such as
// "envoy.filters.network.thrift_proxy". See the extension's documentation for details on
// specific options.
ExtensionProtocolOptions map[string]*types.Struct `protobuf:"bytes,35,rep,name=extension_protocol_options,json=extensionProtocolOptions,proto3" json:"extension_protocol_options,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
// [#not-implemented-hide:]
// The extension_protocol_options field is used to provide extension-specific protocol options
// for upstream connections. The key should match the extension filter name, such as
// "envoy.filters.network.thrift_proxy". See the extension's documentation for details on
// specific options.
TypedExtensionProtocolOptions map[string]*types.Any `protobuf:"bytes,36,rep,name=typed_extension_protocol_options,json=typedExtensionProtocolOptions,proto3" json:"typed_extension_protocol_options,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
// If the DNS refresh rate is specified and the cluster type is either
// :ref:`STRICT_DNS<envoy_api_enum_value_Cluster.DiscoveryType.STRICT_DNS>`,
// or :ref:`LOGICAL_DNS<envoy_api_enum_value_Cluster.DiscoveryType.LOGICAL_DNS>`,
// this value is used as the cluster’s DNS refresh
// rate. If this setting is not specified, the value defaults to 5000ms. For
// cluster types other than
// :ref:`STRICT_DNS<envoy_api_enum_value_Cluster.DiscoveryType.STRICT_DNS>`
// and :ref:`LOGICAL_DNS<envoy_api_enum_value_Cluster.DiscoveryType.LOGICAL_DNS>`
// this setting is ignored.
DnsRefreshRate *time.Duration `protobuf:"bytes,16,opt,name=dns_refresh_rate,json=dnsRefreshRate,proto3,stdduration" json:"dns_refresh_rate,omitempty"`
// The DNS IP address resolution policy. If this setting is not specified, the
// value defaults to
// :ref:`AUTO<envoy_api_enum_value_Cluster.DnsLookupFamily.AUTO>`.
DnsLookupFamily Cluster_DnsLookupFamily `protobuf:"varint,17,opt,name=dns_lookup_family,json=dnsLookupFamily,proto3,enum=envoy.api.v2.Cluster_DnsLookupFamily" json:"dns_lookup_family,omitempty"`
// If DNS resolvers are specified and the cluster type is either
// :ref:`STRICT_DNS<envoy_api_enum_value_Cluster.DiscoveryType.STRICT_DNS>`,
// or :ref:`LOGICAL_DNS<envoy_api_enum_value_Cluster.DiscoveryType.LOGICAL_DNS>`,
// this value is used to specify the cluster’s dns resolvers.
// If this setting is not specified, the value defaults to the default
// resolver, which uses /etc/resolv.conf for configuration. For cluster types
// other than
// :ref:`STRICT_DNS<envoy_api_enum_value_Cluster.DiscoveryType.STRICT_DNS>`
// and :ref:`LOGICAL_DNS<envoy_api_enum_value_Cluster.DiscoveryType.LOGICAL_DNS>`
// this setting is ignored.
DnsResolvers []*core.Address `protobuf:"bytes,18,rep,name=dns_resolvers,json=dnsResolvers,proto3" json:"dns_resolvers,omitempty"`
// If specified, outlier detection will be enabled for this upstream cluster.
// Each of the configuration values can be overridden via
// :ref:`runtime values <config_cluster_manager_cluster_runtime_outlier_detection>`.
OutlierDetection *cluster.OutlierDetection `protobuf:"bytes,19,opt,name=outlier_detection,json=outlierDetection,proto3" json:"outlier_detection,omitempty"`
// The interval for removing stale hosts from a cluster type
// :ref:`ORIGINAL_DST<envoy_api_enum_value_Cluster.DiscoveryType.ORIGINAL_DST>`.
// Hosts are considered stale if they have not been used
// as upstream destinations during this interval. New hosts are added
// to original destination clusters on demand as new connections are
// redirected to Envoy, causing the number of hosts in the cluster to
// grow over time. Hosts that are not stale (they are actively used as
// destinations) are kept in the cluster, which allows connections to
// them remain open, saving the latency that would otherwise be spent
// on opening new connections. If this setting is not specified, the
// value defaults to 5000ms. For cluster types other than
// :ref:`ORIGINAL_DST<envoy_api_enum_value_Cluster.DiscoveryType.ORIGINAL_DST>`
// this setting is ignored.
CleanupInterval *time.Duration `protobuf:"bytes,20,opt,name=cleanup_interval,json=cleanupInterval,proto3,stdduration" json:"cleanup_interval,omitempty"`
// Optional configuration used to bind newly established upstream connections.
// This overrides any bind_config specified in the bootstrap proto.
// If the address and port are empty, no bind will be performed.
UpstreamBindConfig *core.BindConfig `protobuf:"bytes,21,opt,name=upstream_bind_config,json=upstreamBindConfig,proto3" json:"upstream_bind_config,omitempty"`
// Configuration for load balancing subsetting.
LbSubsetConfig *Cluster_LbSubsetConfig `protobuf:"bytes,22,opt,name=lb_subset_config,json=lbSubsetConfig,proto3" json:"lb_subset_config,omitempty"`
// Optional configuration for the load balancing algorithm selected by
// LbPolicy. Currently only
// :ref:`RING_HASH<envoy_api_enum_value_Cluster.LbPolicy.RING_HASH>` and
// :ref:`LEAST_REQUEST<envoy_api_enum_value_Cluster.LbPolicy.LEAST_REQUEST>`
// has additional configuration options.
// Specifying ring_hash_lb_config or least_request_lb_config without setting the corresponding
// LbPolicy will generate an error at runtime.
//
// Types that are valid to be assigned to LbConfig:
// *Cluster_RingHashLbConfig_
// *Cluster_OriginalDstLbConfig_
// *Cluster_LeastRequestLbConfig_
LbConfig isCluster_LbConfig `protobuf_oneof:"lb_config"`
// Common configuration for all load balancer implementations.
CommonLbConfig *Cluster_CommonLbConfig `protobuf:"bytes,27,opt,name=common_lb_config,json=commonLbConfig,proto3" json:"common_lb_config,omitempty"`
// Optional custom transport socket implementation to use for upstream connections.
TransportSocket *core.TransportSocket `protobuf:"bytes,24,opt,name=transport_socket,json=transportSocket,proto3" json:"transport_socket,omitempty"`
// The Metadata field can be used to provide additional information about the
// cluster. It can be used for stats, logging, and varying filter behavior.
// Fields should use reverse DNS notation to denote which entity within Envoy
// will need the information. For instance, if the metadata is intended for
// the Router filter, the filter name should be specified as *envoy.router*.
Metadata *core.Metadata `protobuf:"bytes,25,opt,name=metadata,proto3" json:"metadata,omitempty"`
// Determines how Envoy selects the protocol used to speak to upstream hosts.
ProtocolSelection Cluster_ClusterProtocolSelection `protobuf:"varint,26,opt,name=protocol_selection,json=protocolSelection,proto3,enum=envoy.api.v2.Cluster_ClusterProtocolSelection" json:"protocol_selection,omitempty"`
// Optional options for upstream connections.
UpstreamConnectionOptions *UpstreamConnectionOptions `protobuf:"bytes,30,opt,name=upstream_connection_options,json=upstreamConnectionOptions,proto3" json:"upstream_connection_options,omitempty"`
// If an upstream host becomes unhealthy (as determined by the configured health checks
// or outlier detection), immediately close all connections to the failed host.
//
// .. note::
//
// This is currently only supported for connections created by tcp_proxy.
//
// .. note::
//
// The current implementation of this feature closes all connections immediately when
// the unhealthy status is detected. If there are a large number of connections open
// to an upstream host that becomes unhealthy, Envoy may spend a substantial amount of
// time exclusively closing these connections, and not processing any other traffic.
CloseConnectionsOnHostHealthFailure bool `protobuf:"varint,31,opt,name=close_connections_on_host_health_failure,json=closeConnectionsOnHostHealthFailure,proto3" json:"close_connections_on_host_health_failure,omitempty"`
// If this cluster uses EDS or STRICT_DNS to configure its hosts, immediately drain
// connections from any hosts that are removed from service discovery.
//
// This only affects behavior for hosts that are being actively health checked.
// If this flag is not set to true, Envoy will wait until the hosts fail active health
// checking before removing it from the cluster.
DrainConnectionsOnHostRemoval bool `protobuf:"varint,32,opt,name=drain_connections_on_host_removal,json=drainConnectionsOnHostRemoval,proto3" json:"drain_connections_on_host_removal,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Cluster) Reset() { *m = Cluster{} }
func (m *Cluster) String() string { return proto.CompactTextString(m) }
func (*Cluster) ProtoMessage() {}
func (*Cluster) Descriptor() ([]byte, []int) {
return fileDescriptor_cds_5c684166731b9ad1, []int{0}
}
func (m *Cluster) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
}
func (m *Cluster) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
if deterministic {
return xxx_messageInfo_Cluster.Marshal(b, m, deterministic)
} else {
b = b[:cap(b)]
n, err := m.MarshalTo(b)
if err != nil {
return nil, err
}
return b[:n], nil
}
}
func (dst *Cluster) XXX_Merge(src proto.Message) {
xxx_messageInfo_Cluster.Merge(dst, src)
}
func (m *Cluster) XXX_Size() int {
return m.Size()
}
func (m *Cluster) XXX_DiscardUnknown() {
xxx_messageInfo_Cluster.DiscardUnknown(m)
}
var xxx_messageInfo_Cluster proto.InternalMessageInfo
type isCluster_LbConfig interface {
isCluster_LbConfig()
Equal(interface{}) bool
MarshalTo([]byte) (int, error)
Size() int
}
type Cluster_RingHashLbConfig_ struct {
RingHashLbConfig *Cluster_RingHashLbConfig `protobuf:"bytes,23,opt,name=ring_hash_lb_config,json=ringHashLbConfig,proto3,oneof"`
}
type Cluster_OriginalDstLbConfig_ struct {
OriginalDstLbConfig *Cluster_OriginalDstLbConfig `protobuf:"bytes,34,opt,name=original_dst_lb_config,json=originalDstLbConfig,proto3,oneof"`
}
type Cluster_LeastRequestLbConfig_ struct {
LeastRequestLbConfig *Cluster_LeastRequestLbConfig `protobuf:"bytes,37,opt,name=least_request_lb_config,json=leastRequestLbConfig,proto3,oneof"`
}
func (*Cluster_RingHashLbConfig_) isCluster_LbConfig() {}
func (*Cluster_OriginalDstLbConfig_) isCluster_LbConfig() {}
func (*Cluster_LeastRequestLbConfig_) isCluster_LbConfig() {}
func (m *Cluster) GetLbConfig() isCluster_LbConfig {
if m != nil {
return m.LbConfig
}
return nil
}
func (m *Cluster) GetName() string {
if m != nil {
return m.Name
}
return ""
}
func (m *Cluster) GetAltStatName() string {
if m != nil {
return m.AltStatName
}
return ""
}
func (m *Cluster) GetType() Cluster_DiscoveryType {
if m != nil {
return m.Type
}
return Cluster_STATIC
}
func (m *Cluster) GetEdsClusterConfig() *Cluster_EdsClusterConfig {
if m != nil {
return m.EdsClusterConfig
}
return nil
}
func (m *Cluster) GetConnectTimeout() time.Duration {
if m != nil {
return m.ConnectTimeout
}
return 0
}
func (m *Cluster) GetPerConnectionBufferLimitBytes() *types.UInt32Value {
if m != nil {
return m.PerConnectionBufferLimitBytes
}
return nil
}
func (m *Cluster) GetLbPolicy() Cluster_LbPolicy {
if m != nil {
return m.LbPolicy
}
return Cluster_ROUND_ROBIN
}
// Deprecated: Do not use.
func (m *Cluster) GetHosts() []*core.Address {
if m != nil {
return m.Hosts
}
return nil
}
func (m *Cluster) GetLoadAssignment() *ClusterLoadAssignment {
if m != nil {
return m.LoadAssignment
}
return nil
}
func (m *Cluster) GetHealthChecks() []*core.HealthCheck {
if m != nil {
return m.HealthChecks
}
return nil
}
func (m *Cluster) GetMaxRequestsPerConnection() *types.UInt32Value {
if m != nil {
return m.MaxRequestsPerConnection
}
return nil
}
func (m *Cluster) GetCircuitBreakers() *cluster.CircuitBreakers {
if m != nil {
return m.CircuitBreakers
}
return nil
}
func (m *Cluster) GetTlsContext() *auth.UpstreamTlsContext {
if m != nil {
return m.TlsContext
}
return nil
}
func (m *Cluster) GetCommonHttpProtocolOptions() *core.HttpProtocolOptions {
if m != nil {
return m.CommonHttpProtocolOptions
}
return nil
}
func (m *Cluster) GetHttpProtocolOptions() *core.Http1ProtocolOptions {
if m != nil {
return m.HttpProtocolOptions
}
return nil
}
func (m *Cluster) GetHttp2ProtocolOptions() *core.Http2ProtocolOptions {
if m != nil {
return m.Http2ProtocolOptions
}
return nil
}
func (m *Cluster) GetExtensionProtocolOptions() map[string]*types.Struct {
if m != nil {
return m.ExtensionProtocolOptions
}
return nil
}
func (m *Cluster) GetTypedExtensionProtocolOptions() map[string]*types.Any {
if m != nil {
return m.TypedExtensionProtocolOptions
}
return nil
}
func (m *Cluster) GetDnsRefreshRate() *time.Duration {
if m != nil {
return m.DnsRefreshRate
}
return nil
}
func (m *Cluster) GetDnsLookupFamily() Cluster_DnsLookupFamily {
if m != nil {
return m.DnsLookupFamily
}
return Cluster_AUTO
}
func (m *Cluster) GetDnsResolvers() []*core.Address {
if m != nil {
return m.DnsResolvers
}
return nil
}
func (m *Cluster) GetOutlierDetection() *cluster.OutlierDetection {
if m != nil {
return m.OutlierDetection
}
return nil
}
func (m *Cluster) GetCleanupInterval() *time.Duration {
if m != nil {
return m.CleanupInterval
}
return nil
}
func (m *Cluster) GetUpstreamBindConfig() *core.BindConfig {
if m != nil {
return m.UpstreamBindConfig
}
return nil
}
func (m *Cluster) GetLbSubsetConfig() *Cluster_LbSubsetConfig {
if m != nil {
return m.LbSubsetConfig
}
return nil
}
func (m *Cluster) GetRingHashLbConfig() *Cluster_RingHashLbConfig {
if x, ok := m.GetLbConfig().(*Cluster_RingHashLbConfig_); ok {
return x.RingHashLbConfig
}
return nil
}
func (m *Cluster) GetOriginalDstLbConfig() *Cluster_OriginalDstLbConfig {
if x, ok := m.GetLbConfig().(*Cluster_OriginalDstLbConfig_); ok {
return x.OriginalDstLbConfig
}
return nil
}
func (m *Cluster) GetLeastRequestLbConfig() *Cluster_LeastRequestLbConfig {
if x, ok := m.GetLbConfig().(*Cluster_LeastRequestLbConfig_); ok {
return x.LeastRequestLbConfig
}
return nil
}
func (m *Cluster) GetCommonLbConfig() *Cluster_CommonLbConfig {
if m != nil {
return m.CommonLbConfig
}
return nil
}
func (m *Cluster) GetTransportSocket() *core.TransportSocket {
if m != nil {
return m.TransportSocket
}
return nil
}
func (m *Cluster) GetMetadata() *core.Metadata {
if m != nil {
return m.Metadata
}
return nil
}
func (m *Cluster) GetProtocolSelection() Cluster_ClusterProtocolSelection {
if m != nil {
return m.ProtocolSelection
}
return Cluster_USE_CONFIGURED_PROTOCOL
}
func (m *Cluster) GetUpstreamConnectionOptions() *UpstreamConnectionOptions {
if m != nil {
return m.UpstreamConnectionOptions
}
return nil
}
func (m *Cluster) GetCloseConnectionsOnHostHealthFailure() bool {
if m != nil {
return m.CloseConnectionsOnHostHealthFailure
}
return false
}
func (m *Cluster) GetDrainConnectionsOnHostRemoval() bool {
if m != nil {
return m.DrainConnectionsOnHostRemoval
}
return false
}
// XXX_OneofFuncs is for the internal use of the proto package.
func (*Cluster) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{}) {
return _Cluster_OneofMarshaler, _Cluster_OneofUnmarshaler, _Cluster_OneofSizer, []interface{}{
(*Cluster_RingHashLbConfig_)(nil),
(*Cluster_OriginalDstLbConfig_)(nil),
(*Cluster_LeastRequestLbConfig_)(nil),
}
}
func _Cluster_OneofMarshaler(msg proto.Message, b *proto.Buffer) error {
m := msg.(*Cluster)
// lb_config
switch x := m.LbConfig.(type) {
case *Cluster_RingHashLbConfig_:
_ = b.EncodeVarint(23<<3 | proto.WireBytes)
if err := b.EncodeMessage(x.RingHashLbConfig); err != nil {
return err
}
case *Cluster_OriginalDstLbConfig_:
_ = b.EncodeVarint(34<<3 | proto.WireBytes)
if err := b.EncodeMessage(x.OriginalDstLbConfig); err != nil {
return err
}
case *Cluster_LeastRequestLbConfig_:
_ = b.EncodeVarint(37<<3 | proto.WireBytes)
if err := b.EncodeMessage(x.LeastRequestLbConfig); err != nil {
return err
}
case nil:
default:
return fmt.Errorf("Cluster.LbConfig has unexpected type %T", x)
}
return nil
}
func _Cluster_OneofUnmarshaler(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error) {
m := msg.(*Cluster)
switch tag {
case 23: // lb_config.ring_hash_lb_config
if wire != proto.WireBytes {
return true, proto.ErrInternalBadWireType
}
msg := new(Cluster_RingHashLbConfig)
err := b.DecodeMessage(msg)
m.LbConfig = &Cluster_RingHashLbConfig_{msg}
return true, err
case 34: // lb_config.original_dst_lb_config
if wire != proto.WireBytes {
return true, proto.ErrInternalBadWireType
}
msg := new(Cluster_OriginalDstLbConfig)
err := b.DecodeMessage(msg)
m.LbConfig = &Cluster_OriginalDstLbConfig_{msg}
return true, err
case 37: // lb_config.least_request_lb_config
if wire != proto.WireBytes {
return true, proto.ErrInternalBadWireType
}
msg := new(Cluster_LeastRequestLbConfig)
err := b.DecodeMessage(msg)
m.LbConfig = &Cluster_LeastRequestLbConfig_{msg}
return true, err
default:
return false, nil
}
}
func _Cluster_OneofSizer(msg proto.Message) (n int) {
m := msg.(*Cluster)
// lb_config
switch x := m.LbConfig.(type) {
case *Cluster_RingHashLbConfig_:
s := proto.Size(x.RingHashLbConfig)
n += 2 // tag and wire
n += proto.SizeVarint(uint64(s))
n += s
case *Cluster_OriginalDstLbConfig_:
s := proto.Size(x.OriginalDstLbConfig)
n += 2 // tag and wire
n += proto.SizeVarint(uint64(s))
n += s
case *Cluster_LeastRequestLbConfig_:
s := proto.Size(x.LeastRequestLbConfig)
n += 2 // tag and wire
n += proto.SizeVarint(uint64(s))
n += s
case nil:
default:
panic(fmt.Sprintf("proto: unexpected type %T in oneof", x))
}
return n
}
// Only valid when discovery type is EDS.
type Cluster_EdsClusterConfig struct {
// Configuration for the source of EDS updates for this Cluster.
EdsConfig *core.ConfigSource `protobuf:"bytes,1,opt,name=eds_config,json=edsConfig,proto3" json:"eds_config,omitempty"`
// Optional alternative to cluster name to present to EDS. This does not
// have the same restrictions as cluster name, i.e. it may be arbitrary
// length.
ServiceName string `protobuf:"bytes,2,opt,name=service_name,json=serviceName,proto3" json:"service_name,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Cluster_EdsClusterConfig) Reset() { *m = Cluster_EdsClusterConfig{} }
func (m *Cluster_EdsClusterConfig) String() string { return proto.CompactTextString(m) }
func (*Cluster_EdsClusterConfig) ProtoMessage() {}
func (*Cluster_EdsClusterConfig) Descriptor() ([]byte, []int) {
return fileDescriptor_cds_5c684166731b9ad1, []int{0, 0}
}
func (m *Cluster_EdsClusterConfig) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
}
func (m *Cluster_EdsClusterConfig) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
if deterministic {
return xxx_messageInfo_Cluster_EdsClusterConfig.Marshal(b, m, deterministic)
} else {
b = b[:cap(b)]
n, err := m.MarshalTo(b)
if err != nil {
return nil, err
}
return b[:n], nil
}
}
func (dst *Cluster_EdsClusterConfig) XXX_Merge(src proto.Message) {
xxx_messageInfo_Cluster_EdsClusterConfig.Merge(dst, src)
}
func (m *Cluster_EdsClusterConfig) XXX_Size() int {
return m.Size()
}
func (m *Cluster_EdsClusterConfig) XXX_DiscardUnknown() {
xxx_messageInfo_Cluster_EdsClusterConfig.DiscardUnknown(m)
}
var xxx_messageInfo_Cluster_EdsClusterConfig proto.InternalMessageInfo
func (m *Cluster_EdsClusterConfig) GetEdsConfig() *core.ConfigSource {
if m != nil {
return m.EdsConfig
}
return nil
}
func (m *Cluster_EdsClusterConfig) GetServiceName() string {
if m != nil {
return m.ServiceName
}
return ""
}
// Optionally divide the endpoints in this cluster into subsets defined by
// endpoint metadata and selected by route and weighted cluster metadata.
type Cluster_LbSubsetConfig struct {
// The behavior used when no endpoint subset matches the selected route's
// metadata. The value defaults to
// :ref:`NO_FALLBACK<envoy_api_enum_value_Cluster.LbSubsetConfig.LbSubsetFallbackPolicy.NO_FALLBACK>`.
FallbackPolicy Cluster_LbSubsetConfig_LbSubsetFallbackPolicy `protobuf:"varint,1,opt,name=fallback_policy,json=fallbackPolicy,proto3,enum=envoy.api.v2.Cluster_LbSubsetConfig_LbSubsetFallbackPolicy" json:"fallback_policy,omitempty"`
// Specifies the default subset of endpoints used during fallback if
// fallback_policy is
// :ref:`DEFAULT_SUBSET<envoy_api_enum_value_Cluster.LbSubsetConfig.LbSubsetFallbackPolicy.DEFAULT_SUBSET>`.
// Each field in default_subset is
// compared to the matching LbEndpoint.Metadata under the *envoy.lb*
// namespace. It is valid for no hosts to match, in which case the behavior
// is the same as a fallback_policy of
// :ref:`NO_FALLBACK<envoy_api_enum_value_Cluster.LbSubsetConfig.LbSubsetFallbackPolicy.NO_FALLBACK>`.
DefaultSubset *types.Struct `protobuf:"bytes,2,opt,name=default_subset,json=defaultSubset,proto3" json:"default_subset,omitempty"`
// For each entry, LbEndpoint.Metadata's
// *envoy.lb* namespace is traversed and a subset is created for each unique
// combination of key and value. For example:
//
// .. code-block:: json
//
// { "subset_selectors": [
// { "keys": [ "version" ] },
// { "keys": [ "stage", "hardware_type" ] }
// ]}
//
// A subset is matched when the metadata from the selected route and
// weighted cluster contains the same keys and values as the subset's
// metadata. The same host may appear in multiple subsets.
SubsetSelectors []*Cluster_LbSubsetConfig_LbSubsetSelector `protobuf:"bytes,3,rep,name=subset_selectors,json=subsetSelectors,proto3" json:"subset_selectors,omitempty"`
// If true, routing to subsets will take into account the localities and locality weights of the
// endpoints when making the routing decision.
//
// There are some potential pitfalls associated with enabling this feature, as the resulting
// traffic split after applying both a subset match and locality weights might be undesirable.
//
// Consider for example a situation in which you have 50/50 split across two localities X/Y
// which have 100 hosts each without subsetting. If the subset LB results in X having only 1
// host selected but Y having 100, then a lot more load is being dumped on the single host in X
// than originally anticipated in the load balancing assignment delivered via EDS.
LocalityWeightAware bool `protobuf:"varint,4,opt,name=locality_weight_aware,json=localityWeightAware,proto3" json:"locality_weight_aware,omitempty"`
// When used with locality_weight_aware, scales the weight of each locality by the ratio
// of hosts in the subset vs hosts in the original subset. This aims to even out the load
// going to an individual locality if said locality is disproportionally affected by the
// subset predicate.
ScaleLocalityWeight bool `protobuf:"varint,5,opt,name=scale_locality_weight,json=scaleLocalityWeight,proto3" json:"scale_locality_weight,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Cluster_LbSubsetConfig) Reset() { *m = Cluster_LbSubsetConfig{} }
func (m *Cluster_LbSubsetConfig) String() string { return proto.CompactTextString(m) }
func (*Cluster_LbSubsetConfig) ProtoMessage() {}
func (*Cluster_LbSubsetConfig) Descriptor() ([]byte, []int) {
return fileDescriptor_cds_5c684166731b9ad1, []int{0, 3}
}
func (m *Cluster_LbSubsetConfig) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
}
func (m *Cluster_LbSubsetConfig) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
if deterministic {
return xxx_messageInfo_Cluster_LbSubsetConfig.Marshal(b, m, deterministic)
} else {
b = b[:cap(b)]
n, err := m.MarshalTo(b)
if err != nil {
return nil, err
}
return b[:n], nil
}
}
func (dst *Cluster_LbSubsetConfig) XXX_Merge(src proto.Message) {
xxx_messageInfo_Cluster_LbSubsetConfig.Merge(dst, src)
}
func (m *Cluster_LbSubsetConfig) XXX_Size() int {
return m.Size()
}
func (m *Cluster_LbSubsetConfig) XXX_DiscardUnknown() {
xxx_messageInfo_Cluster_LbSubsetConfig.DiscardUnknown(m)
}
var xxx_messageInfo_Cluster_LbSubsetConfig proto.InternalMessageInfo
func (m *Cluster_LbSubsetConfig) GetFallbackPolicy() Cluster_LbSubsetConfig_LbSubsetFallbackPolicy {
if m != nil {
return m.FallbackPolicy
}
return Cluster_LbSubsetConfig_NO_FALLBACK
}
func (m *Cluster_LbSubsetConfig) GetDefaultSubset() *types.Struct {
if m != nil {
return m.DefaultSubset
}
return nil
}
func (m *Cluster_LbSubsetConfig) GetSubsetSelectors() []*Cluster_LbSubsetConfig_LbSubsetSelector {