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cds.pb.go
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cds.pb.go
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// Code generated by protoc-gen-go. DO NOT EDIT.
// source: envoy/api/v3alpha/cds.proto
package envoy_api_v3alpha
import (
context "context"
fmt "fmt"
cluster "github.com/altipla-consulting/envoy-api/envoy/api/v3alpha/cluster"
core "github.com/altipla-consulting/envoy-api/envoy/api/v3alpha/core"
v3alpha "github.com/altipla-consulting/envoy-api/envoy/type/v3alpha"
_ "github.com/envoyproxy/protoc-gen-validate/validate"
_ "github.com/gogo/googleapis/google/api"
types "github.com/gogo/protobuf/types"
proto "github.com/golang/protobuf/proto"
grpc "google.golang.org/grpc"
math "math"
)
// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = fmt.Errorf
var _ = math.Inf
// 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.ProtoPackageIsVersion3 // 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_1145bef7abd8c457, []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:`Maglev load balancing policy<arch_overview_load_balancing_types_maglev>`
// for an explanation.
Cluster_MAGLEV Cluster_LbPolicy = 5
// This load balancer type must be specified if the configured cluster provides a cluster
// specific load balancer. Consult the configured cluster's documentation for whether to set
// this option or not.
Cluster_CLUSTER_PROVIDED Cluster_LbPolicy = 6
// [#not-implemented-hide:] Use the new :ref:`load_balancing_policy
// <envoy_api_field_api.v3alpha.Cluster.load_balancing_policy>` field to determine the LB
// policy.
// [#next-major-version: In the v3 API, we should consider deprecating the lb_policy field
// and instead using the new load_balancing_policy field as the one and only mechanism for
// configuring this.]
Cluster_LOAD_BALANCING_POLICY_CONFIG Cluster_LbPolicy = 7
)
var Cluster_LbPolicy_name = map[int32]string{
0: "ROUND_ROBIN",
1: "LEAST_REQUEST",
2: "RING_HASH",
3: "RANDOM",
5: "MAGLEV",
6: "CLUSTER_PROVIDED",
7: "LOAD_BALANCING_POLICY_CONFIG",
}
var Cluster_LbPolicy_value = map[string]int32{
"ROUND_ROBIN": 0,
"LEAST_REQUEST": 1,
"RING_HASH": 2,
"RANDOM": 3,
"MAGLEV": 5,
"CLUSTER_PROVIDED": 6,
"LOAD_BALANCING_POLICY_CONFIG": 7,
}
func (x Cluster_LbPolicy) String() string {
return proto.EnumName(Cluster_LbPolicy_name, int32(x))
}
func (Cluster_LbPolicy) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_1145bef7abd8c457, []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_api.v3alpha.Cluster.DiscoveryType.STRICT_DNS>` and
// :ref:`LOGICAL_DNS<envoy_api_enum_value_api.v3alpha.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_1145bef7abd8c457, []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_api.v3alpha.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_1145bef7abd8c457, []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_1145bef7abd8c457, []int{0, 3, 0}
}
// Allows to override top level fallback policy per selector.
type Cluster_LbSubsetConfig_LbSubsetSelector_LbSubsetSelectorFallbackPolicy int32
const (
// If NOT_DEFINED top level config fallback policy is used instead.
Cluster_LbSubsetConfig_LbSubsetSelector_NOT_DEFINED Cluster_LbSubsetConfig_LbSubsetSelector_LbSubsetSelectorFallbackPolicy = 0
// If NO_FALLBACK is selected, a result equivalent to no healthy hosts is reported.
Cluster_LbSubsetConfig_LbSubsetSelector_NO_FALLBACK Cluster_LbSubsetConfig_LbSubsetSelector_LbSubsetSelectorFallbackPolicy = 1
// If ANY_ENDPOINT is selected, any cluster endpoint may be returned
// (subject to policy, health checks, etc).
Cluster_LbSubsetConfig_LbSubsetSelector_ANY_ENDPOINT Cluster_LbSubsetConfig_LbSubsetSelector_LbSubsetSelectorFallbackPolicy = 2
// If DEFAULT_SUBSET is selected, load balancing is performed over the
// endpoints matching the values from the default_subset field.
Cluster_LbSubsetConfig_LbSubsetSelector_DEFAULT_SUBSET Cluster_LbSubsetConfig_LbSubsetSelector_LbSubsetSelectorFallbackPolicy = 3
)
var Cluster_LbSubsetConfig_LbSubsetSelector_LbSubsetSelectorFallbackPolicy_name = map[int32]string{
0: "NOT_DEFINED",
1: "NO_FALLBACK",
2: "ANY_ENDPOINT",
3: "DEFAULT_SUBSET",
}
var Cluster_LbSubsetConfig_LbSubsetSelector_LbSubsetSelectorFallbackPolicy_value = map[string]int32{
"NOT_DEFINED": 0,
"NO_FALLBACK": 1,
"ANY_ENDPOINT": 2,
"DEFAULT_SUBSET": 3,
}
func (x Cluster_LbSubsetConfig_LbSubsetSelector_LbSubsetSelectorFallbackPolicy) String() string {
return proto.EnumName(Cluster_LbSubsetConfig_LbSubsetSelector_LbSubsetSelectorFallbackPolicy_name, int32(x))
}
func (Cluster_LbSubsetConfig_LbSubsetSelector_LbSubsetSelectorFallbackPolicy) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_1145bef7abd8c457, []int{0, 3, 0, 0}
}
// The hash function used to hash hosts onto the ketama ring.
type Cluster_RingHashLbConfig_HashFunction int32
const (
// Use `xxHash <https://github.com/Cyan4973/xxHash>`_, this is the default hash function.
Cluster_RingHashLbConfig_XX_HASH Cluster_RingHashLbConfig_HashFunction = 0
// 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.
Cluster_RingHashLbConfig_MURMUR_HASH_2 Cluster_RingHashLbConfig_HashFunction = 1
)
var Cluster_RingHashLbConfig_HashFunction_name = map[int32]string{
0: "XX_HASH",
1: "MURMUR_HASH_2",
}
var Cluster_RingHashLbConfig_HashFunction_value = map[string]int32{
"XX_HASH": 0,
"MURMUR_HASH_2": 1,
}
func (x Cluster_RingHashLbConfig_HashFunction) String() string {
return proto.EnumName(Cluster_RingHashLbConfig_HashFunction_name, int32(x))
}
func (Cluster_RingHashLbConfig_HashFunction) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_1145bef7abd8c457, []int{0, 5, 0}
}
// Configuration for a single upstream cluster.
// [#next-free-field: 45]
type Cluster struct {
// Configuration to use different transport sockets for different endpoints.
// The entry of *envoy.transport_socket* in the
// :ref:`LbEndpoint.Metadata <envoy_api_field_api.v3alpha.endpoint.LbEndpoint.metadata>`
// is used to match against the transport sockets as they appear in the list. The first
// :ref:`match <envoy_api_msg_api.v3alpha.Cluster.TransportSocketMatch>` is used.
// For example, with the following match
//
// .. code-block:: yaml
//
// transport_socket_matches:
// - name: "enableMTLS"
// match:
// acceptMTLS: true
// transport_socket:
// name: tls
// config: { ... } # tls socket configuration
// - name: "defaultToPlaintext"
// match: {}
// transport_socket:
// name: "rawbuffer"
//
// Connections to the endpoints whose metadata value under *envoy.transport_socket*
// having "acceptMTLS"/"true" key/value pair use the "enableMTLS" socket configuration.
//
// If a :ref:`socket match <envoy_api_msg_api.v3alpha.Cluster.TransportSocketMatch>` with empty
// match criteria is provided, that always match any endpoint. For example, the
// "defaultToPlaintext" socket match in case above.
//
// If an endpoint metadata's value under *envoy.transport_socket* does not match any
// *TransportSocketMatch*, socket configuration fallbacks to use the *tls_context* or
// *transport_socket* specified in this cluster.
//
// This field allows gradual and flexible transport socket configuration changes.
//
// The metadata of endpoints in EDS can indicate transport socket capabilities. For example,
// an endpoint's metadata can have two key value pairs as "acceptMTLS": "true",
// "acceptPlaintext": "true". While some other endpoints, only accepting plaintext traffic
// has "acceptPlaintext": "true" metadata information.
//
// Then the xDS server can configure the CDS to a client, Envoy A, to send mutual TLS
// traffic for endpoints with "acceptMTLS": "true", by adding a corresponding
// *TransportSocketMatch* in this field. Other client Envoys receive CDS without
// *transport_socket_match* set, and still send plain text traffic to the same cluster.
//
// TODO(incfly): add a detailed architecture doc on intended usage.
TransportSocketMatches []*Cluster_TransportSocketMatch `protobuf:"bytes,43,rep,name=transport_socket_matches,json=transportSocketMatches,proto3" json:"transport_socket_matches,omitempty"`
// 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_api.v3alpha.Cluster.alt_stat_name>` is not provided.
// Any ``:`` in the cluster name will be converted to ``_`` when emitting statistics.
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"`
// Types that are valid to be assigned to ClusterDiscoveryType:
// *Cluster_Type
// *Cluster_ClusterType
ClusterDiscoveryType isCluster_ClusterDiscoveryType `protobuf_oneof:"cluster_discovery_type"`
// 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 *types.Duration `protobuf:"bytes,4,opt,name=connect_timeout,json=connectTimeout,proto3" json:"connect_timeout,omitempty"`
// 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.v3alpha.Cluster_LbPolicy" json:"lb_policy,omitempty"`
// If the service discovery type is
// :ref:`STATIC<envoy_api_enum_value_api.v3alpha.Cluster.DiscoveryType.STATIC>`,
// :ref:`STRICT_DNS<envoy_api_enum_value_api.v3alpha.Cluster.DiscoveryType.STRICT_DNS>`
// or :ref:`LOGICAL_DNS<envoy_api_enum_value_api.v3alpha.Cluster.DiscoveryType.LOGICAL_DNS>`,
// then hosts is required.
//
// .. attention::
//
// **This field is deprecated**. Set the
// :ref:`load_assignment<envoy_api_field_api.v3alpha.Cluster.load_assignment>` field instead.
//
Hosts []*core.Address `protobuf:"bytes,7,rep,name=hosts,proto3" json:"hosts,omitempty"`
// Setting this is required for specifying members of
// :ref:`STATIC<envoy_api_enum_value_api.v3alpha.Cluster.DiscoveryType.STATIC>`,
// :ref:`STRICT_DNS<envoy_api_enum_value_api.v3alpha.Cluster.DiscoveryType.STRICT_DNS>`
// or :ref:`LOGICAL_DNS<envoy_api_enum_value_api.v3alpha.Cluster.DiscoveryType.LOGICAL_DNS>`
// clusters. This field supersedes :ref:`hosts<envoy_api_field_api.v3alpha.Cluster.hosts>` field.
// [#comment:TODO(dio): Deprecate the hosts field and add it to :ref:`deprecated log<deprecated>`
// once load_assignment is implemented.]
//
// .. attention::
//
// Setting this allows non-EDS cluster types to contain embedded EDS equivalent
// :ref:`endpoint assignments<envoy_api_msg_api.v3alpha.ClusterLoadAssignment>`.
// Setting this overrides :ref:`hosts<envoy_api_field_api.v3alpha.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"`
// Additional options when handling HTTP requests upstream. 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.
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_api.v3alpha.Cluster.DiscoveryType.STRICT_DNS>`,
// or :ref:`LOGICAL_DNS<envoy_api_enum_value_api.v3alpha.Cluster.DiscoveryType.LOGICAL_DNS>`,
// this value is used as the cluster’s DNS refresh
// rate. The value configured must be at least 1ms. If this setting is not specified, the
// value defaults to 5000ms. For cluster types other than
// :ref:`STRICT_DNS<envoy_api_enum_value_api.v3alpha.Cluster.DiscoveryType.STRICT_DNS>`
// and :ref:`LOGICAL_DNS<envoy_api_enum_value_api.v3alpha.Cluster.DiscoveryType.LOGICAL_DNS>`
// this setting is ignored.
DnsRefreshRate *types.Duration `protobuf:"bytes,16,opt,name=dns_refresh_rate,json=dnsRefreshRate,proto3" json:"dns_refresh_rate,omitempty"`
// If the DNS failure refresh rate is specified and the cluster type is either
// :ref:`STRICT_DNS<envoy_api_enum_value_api.v3alpha.Cluster.DiscoveryType.STRICT_DNS>`,
// or :ref:`LOGICAL_DNS<envoy_api_enum_value_api.v3alpha.Cluster.DiscoveryType.LOGICAL_DNS>`,
// this is used as the cluster’s DNS refresh rate when requests are failing. If this setting is
// not specified, the failure refresh rate defaults to the DNS refresh rate. For cluster types
// other than :ref:`STRICT_DNS<envoy_api_enum_value_api.v3alpha.Cluster.DiscoveryType.STRICT_DNS>`
// and :ref:`LOGICAL_DNS<envoy_api_enum_value_api.v3alpha.Cluster.DiscoveryType.LOGICAL_DNS>` this
// setting is ignored.
//
// Note: Currently, DNS failures and empty DNS responses are not treated differently and this
// configuration is applied in both situations.
DnsFailureRefreshRate *Cluster_RefreshRate `protobuf:"bytes,44,opt,name=dns_failure_refresh_rate,json=dnsFailureRefreshRate,proto3" json:"dns_failure_refresh_rate,omitempty"`
// Optional configuration for setting cluster's DNS refresh rate. If the value is set to true,
// cluster's DNS refresh rate will be set to resource record's TTL which comes from DNS
// resolution.
RespectDnsTtl bool `protobuf:"varint,39,opt,name=respect_dns_ttl,json=respectDnsTtl,proto3" json:"respect_dns_ttl,omitempty"`
// The DNS IP address resolution policy. If this setting is not specified, the
// value defaults to
// :ref:`AUTO<envoy_api_enum_value_api.v3alpha.Cluster.DnsLookupFamily.AUTO>`.
DnsLookupFamily Cluster_DnsLookupFamily `protobuf:"varint,17,opt,name=dns_lookup_family,json=dnsLookupFamily,proto3,enum=envoy.api.v3alpha.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_api.v3alpha.Cluster.DiscoveryType.STRICT_DNS>`,
// or :ref:`LOGICAL_DNS<envoy_api_enum_value_api.v3alpha.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_api.v3alpha.Cluster.DiscoveryType.STRICT_DNS>`
// and :ref:`LOGICAL_DNS<envoy_api_enum_value_api.v3alpha.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_api.v3alpha.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_api.v3alpha.Cluster.DiscoveryType.ORIGINAL_DST>`
// this setting is ignored.
CleanupInterval *types.Duration `protobuf:"bytes,20,opt,name=cleanup_interval,json=cleanupInterval,proto3" 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_api.v3alpha.Cluster.LbPolicy.RING_HASH>` and
// :ref:`LEAST_REQUEST<envoy_api_enum_value_api.v3alpha.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.
// To setup TLS, set a transport socket with name `tls` and
// :ref:`UpstreamTlsContexts <envoy_api_msg_api.v3alpha.auth.UpstreamTlsContext>` in the
// `typed_config`. If no transport socket configuration is specified, new connections will be set
// up with plaintext.
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.v3alpha.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"`
// An (optional) network filter chain, listed in the order the filters should be applied.
// The chain will be applied to all outgoing connections that Envoy makes to the upstream
// servers of this cluster.
Filters []*cluster.Filter `protobuf:"bytes,40,rep,name=filters,proto3" json:"filters,omitempty"`
// [#not-implemented-hide:] New mechanism for LB policy configuration. Used only if the
// :ref:`lb_policy<envoy_api_field_api.v3alpha.Cluster.lb_policy>` field has the value
// :ref:`LOAD_BALANCING_POLICY_CONFIG<envoy_api_enum_value_api.v3alpha.Cluster.LbPolicy.LOAD_BALANCING_POLICY_CONFIG>`.
LoadBalancingPolicy *LoadBalancingPolicy `protobuf:"bytes,41,opt,name=load_balancing_policy,json=loadBalancingPolicy,proto3" json:"load_balancing_policy,omitempty"`
// [#not-implemented-hide:]
// If present, tells the client where to send load reports via LRS. If not present, the
// client will fall back to a client-side default, which may be either (a) don't send any
// load reports or (b) send load reports for all clusters to a single default server
// (which may be configured in the bootstrap file).
//
// Note that if multiple clusters point to the same LRS server, the client may choose to
// create a separate stream for each cluster or it may choose to coalesce the data for
// multiple clusters onto a single stream. Either way, the client must make sure to send
// the data for any given cluster on no more than one stream.
//
// [#next-major-version: In the v3 API, we should consider restructuring this somehow,
// maybe by allowing LRS to go on the ADS stream, or maybe by moving some of the negotiation
// from the LRS stream here.]
LrsServer *core.ConfigSource `protobuf:"bytes,42,opt,name=lrs_server,json=lrsServer,proto3" json:"lrs_server,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_1145bef7abd8c457, []int{0}
}
func (m *Cluster) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Cluster.Unmarshal(m, b)
}
func (m *Cluster) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Cluster.Marshal(b, m, deterministic)
}
func (m *Cluster) XXX_Merge(src proto.Message) {
xxx_messageInfo_Cluster.Merge(m, src)
}
func (m *Cluster) XXX_Size() int {
return xxx_messageInfo_Cluster.Size(m)
}
func (m *Cluster) XXX_DiscardUnknown() {
xxx_messageInfo_Cluster.DiscardUnknown(m)
}
var xxx_messageInfo_Cluster proto.InternalMessageInfo
func (m *Cluster) GetTransportSocketMatches() []*Cluster_TransportSocketMatch {
if m != nil {
return m.TransportSocketMatches
}
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 ""
}
type isCluster_ClusterDiscoveryType interface {
isCluster_ClusterDiscoveryType()
}
type Cluster_Type struct {
Type Cluster_DiscoveryType `protobuf:"varint,2,opt,name=type,proto3,enum=envoy.api.v3alpha.Cluster_DiscoveryType,oneof"`
}
type Cluster_ClusterType struct {
ClusterType *Cluster_CustomClusterType `protobuf:"bytes,38,opt,name=cluster_type,json=clusterType,proto3,oneof"`
}
func (*Cluster_Type) isCluster_ClusterDiscoveryType() {}
func (*Cluster_ClusterType) isCluster_ClusterDiscoveryType() {}
func (m *Cluster) GetClusterDiscoveryType() isCluster_ClusterDiscoveryType {
if m != nil {
return m.ClusterDiscoveryType
}
return nil
}
func (m *Cluster) GetType() Cluster_DiscoveryType {
if x, ok := m.GetClusterDiscoveryType().(*Cluster_Type); ok {
return x.Type
}
return Cluster_STATIC
}
func (m *Cluster) GetClusterType() *Cluster_CustomClusterType {
if x, ok := m.GetClusterDiscoveryType().(*Cluster_ClusterType); ok {
return x.ClusterType
}
return nil
}
func (m *Cluster) GetEdsClusterConfig() *Cluster_EdsClusterConfig {
if m != nil {
return m.EdsClusterConfig
}
return nil
}
func (m *Cluster) GetConnectTimeout() *types.Duration {
if m != nil {
return m.ConnectTimeout
}
return nil
}
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
}
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) 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) GetTypedExtensionProtocolOptions() map[string]*types.Any {
if m != nil {
return m.TypedExtensionProtocolOptions
}
return nil
}
func (m *Cluster) GetDnsRefreshRate() *types.Duration {
if m != nil {
return m.DnsRefreshRate
}
return nil
}
func (m *Cluster) GetDnsFailureRefreshRate() *Cluster_RefreshRate {
if m != nil {
return m.DnsFailureRefreshRate
}
return nil
}
func (m *Cluster) GetRespectDnsTtl() bool {
if m != nil {
return m.RespectDnsTtl
}
return false
}
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() *types.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
}
type isCluster_LbConfig interface {
isCluster_LbConfig()
}
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) 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
}
func (m *Cluster) GetFilters() []*cluster.Filter {
if m != nil {
return m.Filters
}
return nil
}
func (m *Cluster) GetLoadBalancingPolicy() *LoadBalancingPolicy {
if m != nil {
return m.LoadBalancingPolicy
}
return nil
}
func (m *Cluster) GetLrsServer() *core.ConfigSource {
if m != nil {
return m.LrsServer
}
return nil
}
// XXX_OneofWrappers is for the internal use of the proto package.
func (*Cluster) XXX_OneofWrappers() []interface{} {
return []interface{}{
(*Cluster_Type)(nil),
(*Cluster_ClusterType)(nil),
(*Cluster_RingHashLbConfig_)(nil),
(*Cluster_OriginalDstLbConfig_)(nil),
(*Cluster_LeastRequestLbConfig_)(nil),
}
}
// TransportSocketMatch specifies what transport socket config will be used
// when the match conditions are satisfied.
type Cluster_TransportSocketMatch struct {
// The name of the match, used in stats generation.
Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
// Optional endpoint metadata match criteria.
// The connection to the endpoint with metadata matching what is set in this field
// will use the transport socket configuration specified here.
// The endpoint's metadata entry in *envoy.transport_socket_match* is used to match
// against the values specified in this field.
Match *types.Struct `protobuf:"bytes,2,opt,name=match,proto3" json:"match,omitempty"`
// The configuration of the transport socket.
TransportSocket *core.TransportSocket `protobuf:"bytes,3,opt,name=transport_socket,json=transportSocket,proto3" json:"transport_socket,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Cluster_TransportSocketMatch) Reset() { *m = Cluster_TransportSocketMatch{} }
func (m *Cluster_TransportSocketMatch) String() string { return proto.CompactTextString(m) }
func (*Cluster_TransportSocketMatch) ProtoMessage() {}
func (*Cluster_TransportSocketMatch) Descriptor() ([]byte, []int) {
return fileDescriptor_1145bef7abd8c457, []int{0, 0}
}
func (m *Cluster_TransportSocketMatch) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Cluster_TransportSocketMatch.Unmarshal(m, b)
}
func (m *Cluster_TransportSocketMatch) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Cluster_TransportSocketMatch.Marshal(b, m, deterministic)
}
func (m *Cluster_TransportSocketMatch) XXX_Merge(src proto.Message) {
xxx_messageInfo_Cluster_TransportSocketMatch.Merge(m, src)
}
func (m *Cluster_TransportSocketMatch) XXX_Size() int {
return xxx_messageInfo_Cluster_TransportSocketMatch.Size(m)
}
func (m *Cluster_TransportSocketMatch) XXX_DiscardUnknown() {
xxx_messageInfo_Cluster_TransportSocketMatch.DiscardUnknown(m)
}
var xxx_messageInfo_Cluster_TransportSocketMatch proto.InternalMessageInfo
func (m *Cluster_TransportSocketMatch) GetName() string {
if m != nil {