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vendor update for CSI 0.3.0

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gman
2018-07-18 16:47:22 +02:00
parent 6f484f92fc
commit 8ea659f0d5
6810 changed files with 438061 additions and 193861 deletions
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551
vendor/google.golang.org/grpc/grpclb/grpc_lb_v1/messages/messages.pb.go generated vendored
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@ -1,28 +1,13 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// source: grpc_lb_v1/messages/messages.proto
/*
Package messages is a generated protocol buffer package.
It is generated from these files:
grpc_lb_v1/messages/messages.proto
It has these top-level messages:
Duration
Timestamp
LoadBalanceRequest
InitialLoadBalanceRequest
ClientStats
LoadBalanceResponse
InitialLoadBalanceResponse
ServerList
Server
*/
package messages
package messages // import "google.golang.org/grpc/grpclb/grpc_lb_v1/messages"
import proto "github.com/golang/protobuf/proto"
import fmt "fmt"
import math "math"
import duration "github.com/golang/protobuf/ptypes/duration"
import timestamp "github.com/golang/protobuf/ptypes/timestamp"
// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
@ -35,90 +20,49 @@ var _ = math.Inf
// proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
type Duration struct {
// Signed seconds of the span of time. Must be from -315,576,000,000
// to +315,576,000,000 inclusive.
Seconds int64 `protobuf:"varint,1,opt,name=seconds" json:"seconds,omitempty"`
// Signed fractions of a second at nanosecond resolution of the span
// of time. Durations less than one second are represented with a 0
// `seconds` field and a positive or negative `nanos` field. For durations
// of one second or more, a non-zero value for the `nanos` field must be
// of the same sign as the `seconds` field. Must be from -999,999,999
// to +999,999,999 inclusive.
Nanos int32 `protobuf:"varint,2,opt,name=nanos" json:"nanos,omitempty"`
}
func (m *Duration) Reset() { *m = Duration{} }
func (m *Duration) String() string { return proto.CompactTextString(m) }
func (*Duration) ProtoMessage() {}
func (*Duration) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }
func (m *Duration) GetSeconds() int64 {
if m != nil {
return m.Seconds
}
return 0
}
func (m *Duration) GetNanos() int32 {
if m != nil {
return m.Nanos
}
return 0
}
type Timestamp struct {
// Represents seconds of UTC time since Unix epoch
// 1970-01-01T00:00:00Z. Must be from 0001-01-01T00:00:00Z to
// 9999-12-31T23:59:59Z inclusive.
Seconds int64 `protobuf:"varint,1,opt,name=seconds" json:"seconds,omitempty"`
// Non-negative fractions of a second at nanosecond resolution. Negative
// second values with fractions must still have non-negative nanos values
// that count forward in time. Must be from 0 to 999,999,999
// inclusive.
Nanos int32 `protobuf:"varint,2,opt,name=nanos" json:"nanos,omitempty"`
}
func (m *Timestamp) Reset() { *m = Timestamp{} }
func (m *Timestamp) String() string { return proto.CompactTextString(m) }
func (*Timestamp) ProtoMessage() {}
func (*Timestamp) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{1} }
func (m *Timestamp) GetSeconds() int64 {
if m != nil {
return m.Seconds
}
return 0
}
func (m *Timestamp) GetNanos() int32 {
if m != nil {
return m.Nanos
}
return 0
}
type LoadBalanceRequest struct {
// Types that are valid to be assigned to LoadBalanceRequestType:
// *LoadBalanceRequest_InitialRequest
// *LoadBalanceRequest_ClientStats
LoadBalanceRequestType isLoadBalanceRequest_LoadBalanceRequestType `protobuf_oneof:"load_balance_request_type"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *LoadBalanceRequest) Reset() { *m = LoadBalanceRequest{} }
func (m *LoadBalanceRequest) String() string { return proto.CompactTextString(m) }
func (*LoadBalanceRequest) ProtoMessage() {}
func (*LoadBalanceRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{2} }
func (m *LoadBalanceRequest) Reset() { *m = LoadBalanceRequest{} }
func (m *LoadBalanceRequest) String() string { return proto.CompactTextString(m) }
func (*LoadBalanceRequest) ProtoMessage() {}
func (*LoadBalanceRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_messages_b3d89fcb5aa158f8, []int{0}
}
func (m *LoadBalanceRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_LoadBalanceRequest.Unmarshal(m, b)
}
func (m *LoadBalanceRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_LoadBalanceRequest.Marshal(b, m, deterministic)
}
func (dst *LoadBalanceRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_LoadBalanceRequest.Merge(dst, src)
}
func (m *LoadBalanceRequest) XXX_Size() int {
return xxx_messageInfo_LoadBalanceRequest.Size(m)
}
func (m *LoadBalanceRequest) XXX_DiscardUnknown() {
xxx_messageInfo_LoadBalanceRequest.DiscardUnknown(m)
}
var xxx_messageInfo_LoadBalanceRequest proto.InternalMessageInfo
type isLoadBalanceRequest_LoadBalanceRequestType interface {
isLoadBalanceRequest_LoadBalanceRequestType()
}
type LoadBalanceRequest_InitialRequest struct {
InitialRequest *InitialLoadBalanceRequest `protobuf:"bytes,1,opt,name=initial_request,json=initialRequest,oneof"`
InitialRequest *InitialLoadBalanceRequest `protobuf:"bytes,1,opt,name=initial_request,json=initialRequest,proto3,oneof"`
}
type LoadBalanceRequest_ClientStats struct {
ClientStats *ClientStats `protobuf:"bytes,2,opt,name=client_stats,json=clientStats,oneof"`
ClientStats *ClientStats `protobuf:"bytes,2,opt,name=client_stats,json=clientStats,proto3,oneof"`
}
func (*LoadBalanceRequest_InitialRequest) isLoadBalanceRequest_LoadBalanceRequestType() {}
@ -204,12 +148,12 @@ func _LoadBalanceRequest_OneofSizer(msg proto.Message) (n int) {
switch x := m.LoadBalanceRequestType.(type) {
case *LoadBalanceRequest_InitialRequest:
s := proto.Size(x.InitialRequest)
n += proto.SizeVarint(1<<3 | proto.WireBytes)
n += 1 // tag and wire
n += proto.SizeVarint(uint64(s))
n += s
case *LoadBalanceRequest_ClientStats:
s := proto.Size(x.ClientStats)
n += proto.SizeVarint(2<<3 | proto.WireBytes)
n += 1 // tag and wire
n += proto.SizeVarint(uint64(s))
n += s
case nil:
@ -220,15 +164,37 @@ func _LoadBalanceRequest_OneofSizer(msg proto.Message) (n int) {
}
type InitialLoadBalanceRequest struct {
// Name of load balanced service (IE, balancer.service.com)
// Name of load balanced service (IE, balancer.service.com). Its
// length should be less than 256 bytes.
Name string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *InitialLoadBalanceRequest) Reset() { *m = InitialLoadBalanceRequest{} }
func (m *InitialLoadBalanceRequest) String() string { return proto.CompactTextString(m) }
func (*InitialLoadBalanceRequest) ProtoMessage() {}
func (*InitialLoadBalanceRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{3} }
func (m *InitialLoadBalanceRequest) Reset() { *m = InitialLoadBalanceRequest{} }
func (m *InitialLoadBalanceRequest) String() string { return proto.CompactTextString(m) }
func (*InitialLoadBalanceRequest) ProtoMessage() {}
func (*InitialLoadBalanceRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_messages_b3d89fcb5aa158f8, []int{1}
}
func (m *InitialLoadBalanceRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_InitialLoadBalanceRequest.Unmarshal(m, b)
}
func (m *InitialLoadBalanceRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_InitialLoadBalanceRequest.Marshal(b, m, deterministic)
}
func (dst *InitialLoadBalanceRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_InitialLoadBalanceRequest.Merge(dst, src)
}
func (m *InitialLoadBalanceRequest) XXX_Size() int {
return xxx_messageInfo_InitialLoadBalanceRequest.Size(m)
}
func (m *InitialLoadBalanceRequest) XXX_DiscardUnknown() {
xxx_messageInfo_InitialLoadBalanceRequest.DiscardUnknown(m)
}
var xxx_messageInfo_InitialLoadBalanceRequest proto.InternalMessageInfo
func (m *InitialLoadBalanceRequest) GetName() string {
if m != nil {
@ -237,34 +203,101 @@ func (m *InitialLoadBalanceRequest) GetName() string {
return ""
}
// Contains the number of calls finished for a particular load balance token.
type ClientStatsPerToken struct {
// See Server.load_balance_token.
LoadBalanceToken string `protobuf:"bytes,1,opt,name=load_balance_token,json=loadBalanceToken,proto3" json:"load_balance_token,omitempty"`
// The total number of RPCs that finished associated with the token.
NumCalls int64 `protobuf:"varint,2,opt,name=num_calls,json=numCalls,proto3" json:"num_calls,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *ClientStatsPerToken) Reset() { *m = ClientStatsPerToken{} }
func (m *ClientStatsPerToken) String() string { return proto.CompactTextString(m) }
func (*ClientStatsPerToken) ProtoMessage() {}
func (*ClientStatsPerToken) Descriptor() ([]byte, []int) {
return fileDescriptor_messages_b3d89fcb5aa158f8, []int{2}
}
func (m *ClientStatsPerToken) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ClientStatsPerToken.Unmarshal(m, b)
}
func (m *ClientStatsPerToken) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_ClientStatsPerToken.Marshal(b, m, deterministic)
}
func (dst *ClientStatsPerToken) XXX_Merge(src proto.Message) {
xxx_messageInfo_ClientStatsPerToken.Merge(dst, src)
}
func (m *ClientStatsPerToken) XXX_Size() int {
return xxx_messageInfo_ClientStatsPerToken.Size(m)
}
func (m *ClientStatsPerToken) XXX_DiscardUnknown() {
xxx_messageInfo_ClientStatsPerToken.DiscardUnknown(m)
}
var xxx_messageInfo_ClientStatsPerToken proto.InternalMessageInfo
func (m *ClientStatsPerToken) GetLoadBalanceToken() string {
if m != nil {
return m.LoadBalanceToken
}
return ""
}
func (m *ClientStatsPerToken) GetNumCalls() int64 {
if m != nil {
return m.NumCalls
}
return 0
}
// Contains client level statistics that are useful to load balancing. Each
// count except the timestamp should be reset to zero after reporting the stats.
type ClientStats struct {
// The timestamp of generating the report.
Timestamp *Timestamp `protobuf:"bytes,1,opt,name=timestamp" json:"timestamp,omitempty"`
Timestamp *timestamp.Timestamp `protobuf:"bytes,1,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
// The total number of RPCs that started.
NumCallsStarted int64 `protobuf:"varint,2,opt,name=num_calls_started,json=numCallsStarted" json:"num_calls_started,omitempty"`
NumCallsStarted int64 `protobuf:"varint,2,opt,name=num_calls_started,json=numCallsStarted,proto3" json:"num_calls_started,omitempty"`
// The total number of RPCs that finished.
NumCallsFinished int64 `protobuf:"varint,3,opt,name=num_calls_finished,json=numCallsFinished" json:"num_calls_finished,omitempty"`
// The total number of RPCs that were dropped by the client because of rate
// limiting.
NumCallsFinishedWithDropForRateLimiting int64 `protobuf:"varint,4,opt,name=num_calls_finished_with_drop_for_rate_limiting,json=numCallsFinishedWithDropForRateLimiting" json:"num_calls_finished_with_drop_for_rate_limiting,omitempty"`
// The total number of RPCs that were dropped by the client because of load
// balancing.
NumCallsFinishedWithDropForLoadBalancing int64 `protobuf:"varint,5,opt,name=num_calls_finished_with_drop_for_load_balancing,json=numCallsFinishedWithDropForLoadBalancing" json:"num_calls_finished_with_drop_for_load_balancing,omitempty"`
NumCallsFinished int64 `protobuf:"varint,3,opt,name=num_calls_finished,json=numCallsFinished,proto3" json:"num_calls_finished,omitempty"`
// The total number of RPCs that failed to reach a server except dropped RPCs.
NumCallsFinishedWithClientFailedToSend int64 `protobuf:"varint,6,opt,name=num_calls_finished_with_client_failed_to_send,json=numCallsFinishedWithClientFailedToSend" json:"num_calls_finished_with_client_failed_to_send,omitempty"`
NumCallsFinishedWithClientFailedToSend int64 `protobuf:"varint,6,opt,name=num_calls_finished_with_client_failed_to_send,json=numCallsFinishedWithClientFailedToSend,proto3" json:"num_calls_finished_with_client_failed_to_send,omitempty"`
// The total number of RPCs that finished and are known to have been received
// by a server.
NumCallsFinishedKnownReceived int64 `protobuf:"varint,7,opt,name=num_calls_finished_known_received,json=numCallsFinishedKnownReceived" json:"num_calls_finished_known_received,omitempty"`
NumCallsFinishedKnownReceived int64 `protobuf:"varint,7,opt,name=num_calls_finished_known_received,json=numCallsFinishedKnownReceived,proto3" json:"num_calls_finished_known_received,omitempty"`
// The list of dropped calls.
CallsFinishedWithDrop []*ClientStatsPerToken `protobuf:"bytes,8,rep,name=calls_finished_with_drop,json=callsFinishedWithDrop,proto3" json:"calls_finished_with_drop,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *ClientStats) Reset() { *m = ClientStats{} }
func (m *ClientStats) String() string { return proto.CompactTextString(m) }
func (*ClientStats) ProtoMessage() {}
func (*ClientStats) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{4} }
func (m *ClientStats) Reset() { *m = ClientStats{} }
func (m *ClientStats) String() string { return proto.CompactTextString(m) }
func (*ClientStats) ProtoMessage() {}
func (*ClientStats) Descriptor() ([]byte, []int) {
return fileDescriptor_messages_b3d89fcb5aa158f8, []int{3}
}
func (m *ClientStats) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ClientStats.Unmarshal(m, b)
}
func (m *ClientStats) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_ClientStats.Marshal(b, m, deterministic)
}
func (dst *ClientStats) XXX_Merge(src proto.Message) {
xxx_messageInfo_ClientStats.Merge(dst, src)
}
func (m *ClientStats) XXX_Size() int {
return xxx_messageInfo_ClientStats.Size(m)
}
func (m *ClientStats) XXX_DiscardUnknown() {
xxx_messageInfo_ClientStats.DiscardUnknown(m)
}
func (m *ClientStats) GetTimestamp() *Timestamp {
var xxx_messageInfo_ClientStats proto.InternalMessageInfo
func (m *ClientStats) GetTimestamp() *timestamp.Timestamp {
if m != nil {
return m.Timestamp
}
@ -285,20 +318,6 @@ func (m *ClientStats) GetNumCallsFinished() int64 {
return 0
}
func (m *ClientStats) GetNumCallsFinishedWithDropForRateLimiting() int64 {
if m != nil {
return m.NumCallsFinishedWithDropForRateLimiting
}
return 0
}
func (m *ClientStats) GetNumCallsFinishedWithDropForLoadBalancing() int64 {
if m != nil {
return m.NumCallsFinishedWithDropForLoadBalancing
}
return 0
}
func (m *ClientStats) GetNumCallsFinishedWithClientFailedToSend() int64 {
if m != nil {
return m.NumCallsFinishedWithClientFailedToSend
@ -313,27 +332,56 @@ func (m *ClientStats) GetNumCallsFinishedKnownReceived() int64 {
return 0
}
func (m *ClientStats) GetCallsFinishedWithDrop() []*ClientStatsPerToken {
if m != nil {
return m.CallsFinishedWithDrop
}
return nil
}
type LoadBalanceResponse struct {
// Types that are valid to be assigned to LoadBalanceResponseType:
// *LoadBalanceResponse_InitialResponse
// *LoadBalanceResponse_ServerList
LoadBalanceResponseType isLoadBalanceResponse_LoadBalanceResponseType `protobuf_oneof:"load_balance_response_type"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *LoadBalanceResponse) Reset() { *m = LoadBalanceResponse{} }
func (m *LoadBalanceResponse) String() string { return proto.CompactTextString(m) }
func (*LoadBalanceResponse) ProtoMessage() {}
func (*LoadBalanceResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{5} }
func (m *LoadBalanceResponse) Reset() { *m = LoadBalanceResponse{} }
func (m *LoadBalanceResponse) String() string { return proto.CompactTextString(m) }
func (*LoadBalanceResponse) ProtoMessage() {}
func (*LoadBalanceResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_messages_b3d89fcb5aa158f8, []int{4}
}
func (m *LoadBalanceResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_LoadBalanceResponse.Unmarshal(m, b)
}
func (m *LoadBalanceResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_LoadBalanceResponse.Marshal(b, m, deterministic)
}
func (dst *LoadBalanceResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_LoadBalanceResponse.Merge(dst, src)
}
func (m *LoadBalanceResponse) XXX_Size() int {
return xxx_messageInfo_LoadBalanceResponse.Size(m)
}
func (m *LoadBalanceResponse) XXX_DiscardUnknown() {
xxx_messageInfo_LoadBalanceResponse.DiscardUnknown(m)
}
var xxx_messageInfo_LoadBalanceResponse proto.InternalMessageInfo
type isLoadBalanceResponse_LoadBalanceResponseType interface {
isLoadBalanceResponse_LoadBalanceResponseType()
}
type LoadBalanceResponse_InitialResponse struct {
InitialResponse *InitialLoadBalanceResponse `protobuf:"bytes,1,opt,name=initial_response,json=initialResponse,oneof"`
InitialResponse *InitialLoadBalanceResponse `protobuf:"bytes,1,opt,name=initial_response,json=initialResponse,proto3,oneof"`
}
type LoadBalanceResponse_ServerList struct {
ServerList *ServerList `protobuf:"bytes,2,opt,name=server_list,json=serverList,oneof"`
ServerList *ServerList `protobuf:"bytes,2,opt,name=server_list,json=serverList,proto3,oneof"`
}
func (*LoadBalanceResponse_InitialResponse) isLoadBalanceResponse_LoadBalanceResponseType() {}
@ -419,12 +467,12 @@ func _LoadBalanceResponse_OneofSizer(msg proto.Message) (n int) {
switch x := m.LoadBalanceResponseType.(type) {
case *LoadBalanceResponse_InitialResponse:
s := proto.Size(x.InitialResponse)
n += proto.SizeVarint(1<<3 | proto.WireBytes)
n += 1 // tag and wire
n += proto.SizeVarint(uint64(s))
n += s
case *LoadBalanceResponse_ServerList:
s := proto.Size(x.ServerList)
n += proto.SizeVarint(2<<3 | proto.WireBytes)
n += 1 // tag and wire
n += proto.SizeVarint(uint64(s))
n += s
case nil:
@ -440,17 +488,39 @@ type InitialLoadBalanceResponse struct {
// the response, the client should open a separate connection to the
// load_balancer_delegate and call the BalanceLoad method. Its length should
// be less than 64 bytes.
LoadBalancerDelegate string `protobuf:"bytes,1,opt,name=load_balancer_delegate,json=loadBalancerDelegate" json:"load_balancer_delegate,omitempty"`
LoadBalancerDelegate string `protobuf:"bytes,1,opt,name=load_balancer_delegate,json=loadBalancerDelegate,proto3" json:"load_balancer_delegate,omitempty"`
// This interval defines how often the client should send the client stats
// to the load balancer. Stats should only be reported when the duration is
// positive.
ClientStatsReportInterval *Duration `protobuf:"bytes,2,opt,name=client_stats_report_interval,json=clientStatsReportInterval" json:"client_stats_report_interval,omitempty"`
ClientStatsReportInterval *duration.Duration `protobuf:"bytes,2,opt,name=client_stats_report_interval,json=clientStatsReportInterval,proto3" json:"client_stats_report_interval,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *InitialLoadBalanceResponse) Reset() { *m = InitialLoadBalanceResponse{} }
func (m *InitialLoadBalanceResponse) String() string { return proto.CompactTextString(m) }
func (*InitialLoadBalanceResponse) ProtoMessage() {}
func (*InitialLoadBalanceResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{6} }
func (m *InitialLoadBalanceResponse) Reset() { *m = InitialLoadBalanceResponse{} }
func (m *InitialLoadBalanceResponse) String() string { return proto.CompactTextString(m) }
func (*InitialLoadBalanceResponse) ProtoMessage() {}
func (*InitialLoadBalanceResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_messages_b3d89fcb5aa158f8, []int{5}
}
func (m *InitialLoadBalanceResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_InitialLoadBalanceResponse.Unmarshal(m, b)
}
func (m *InitialLoadBalanceResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_InitialLoadBalanceResponse.Marshal(b, m, deterministic)
}
func (dst *InitialLoadBalanceResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_InitialLoadBalanceResponse.Merge(dst, src)
}
func (m *InitialLoadBalanceResponse) XXX_Size() int {
return xxx_messageInfo_InitialLoadBalanceResponse.Size(m)
}
func (m *InitialLoadBalanceResponse) XXX_DiscardUnknown() {
xxx_messageInfo_InitialLoadBalanceResponse.DiscardUnknown(m)
}
var xxx_messageInfo_InitialLoadBalanceResponse proto.InternalMessageInfo
func (m *InitialLoadBalanceResponse) GetLoadBalancerDelegate() string {
if m != nil {
@ -459,7 +529,7 @@ func (m *InitialLoadBalanceResponse) GetLoadBalancerDelegate() string {
return ""
}
func (m *InitialLoadBalanceResponse) GetClientStatsReportInterval() *Duration {
func (m *InitialLoadBalanceResponse) GetClientStatsReportInterval() *duration.Duration {
if m != nil {
return m.ClientStatsReportInterval
}
@ -471,13 +541,35 @@ type ServerList struct {
// be updated when server resolutions change or as needed to balance load
// across more servers. The client should consume the server list in order
// unless instructed otherwise via the client_config.
Servers []*Server `protobuf:"bytes,1,rep,name=servers" json:"servers,omitempty"`
Servers []*Server `protobuf:"bytes,1,rep,name=servers,proto3" json:"servers,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *ServerList) Reset() { *m = ServerList{} }
func (m *ServerList) String() string { return proto.CompactTextString(m) }
func (*ServerList) ProtoMessage() {}
func (*ServerList) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{7} }
func (m *ServerList) Reset() { *m = ServerList{} }
func (m *ServerList) String() string { return proto.CompactTextString(m) }
func (*ServerList) ProtoMessage() {}
func (*ServerList) Descriptor() ([]byte, []int) {
return fileDescriptor_messages_b3d89fcb5aa158f8, []int{6}
}
func (m *ServerList) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ServerList.Unmarshal(m, b)
}
func (m *ServerList) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_ServerList.Marshal(b, m, deterministic)
}
func (dst *ServerList) XXX_Merge(src proto.Message) {
xxx_messageInfo_ServerList.Merge(dst, src)
}
func (m *ServerList) XXX_Size() int {
return xxx_messageInfo_ServerList.Size(m)
}
func (m *ServerList) XXX_DiscardUnknown() {
xxx_messageInfo_ServerList.DiscardUnknown(m)
}
var xxx_messageInfo_ServerList proto.InternalMessageInfo
func (m *ServerList) GetServers() []*Server {
if m != nil {
@ -486,35 +578,52 @@ func (m *ServerList) GetServers() []*Server {
return nil
}
// Contains server information. When none of the [drop_for_*] fields are true,
// use the other fields. When drop_for_rate_limiting is true, ignore all other
// fields. Use drop_for_load_balancing only when it is true and
// drop_for_rate_limiting is false.
// Contains server information. When the drop field is not true, use the other
// fields.
type Server struct {
// A resolved address for the server, serialized in network-byte-order. It may
// either be an IPv4 or IPv6 address.
IpAddress []byte `protobuf:"bytes,1,opt,name=ip_address,json=ipAddress,proto3" json:"ip_address,omitempty"`
// A resolved port number for the server.
Port int32 `protobuf:"varint,2,opt,name=port" json:"port,omitempty"`
Port int32 `protobuf:"varint,2,opt,name=port,proto3" json:"port,omitempty"`
// An opaque but printable token given to the frontend for each pick. All
// frontend requests for that pick must include the token in its initial
// metadata. The token is used by the backend to verify the request and to
// allow the backend to report load to the gRPC LB system.
//
// Its length is variable but less than 50 bytes.
LoadBalanceToken string `protobuf:"bytes,3,opt,name=load_balance_token,json=loadBalanceToken" json:"load_balance_token,omitempty"`
// Indicates whether this particular request should be dropped by the client
// for rate limiting.
DropForRateLimiting bool `protobuf:"varint,4,opt,name=drop_for_rate_limiting,json=dropForRateLimiting" json:"drop_for_rate_limiting,omitempty"`
// Indicates whether this particular request should be dropped by the client
// for load balancing.
DropForLoadBalancing bool `protobuf:"varint,5,opt,name=drop_for_load_balancing,json=dropForLoadBalancing" json:"drop_for_load_balancing,omitempty"`
// allow the backend to report load to the gRPC LB system. The token is also
// used in client stats for reporting dropped calls.
LoadBalanceToken string `protobuf:"bytes,3,opt,name=load_balance_token,json=loadBalanceToken,proto3" json:"load_balance_token,omitempty"`
// Indicates whether this particular request should be dropped by the client.
// If the request is dropped, there will be a corresponding entry in
// ClientStats.calls_finished_with_drop.
Drop bool `protobuf:"varint,4,opt,name=drop,proto3" json:"drop,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Server) Reset() { *m = Server{} }
func (m *Server) String() string { return proto.CompactTextString(m) }
func (*Server) ProtoMessage() {}
func (*Server) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{8} }
func (m *Server) Reset() { *m = Server{} }
func (m *Server) String() string { return proto.CompactTextString(m) }
func (*Server) ProtoMessage() {}
func (*Server) Descriptor() ([]byte, []int) {
return fileDescriptor_messages_b3d89fcb5aa158f8, []int{7}
}
func (m *Server) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Server.Unmarshal(m, b)
}
func (m *Server) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Server.Marshal(b, m, deterministic)
}
func (dst *Server) XXX_Merge(src proto.Message) {
xxx_messageInfo_Server.Merge(dst, src)
}
func (m *Server) XXX_Size() int {
return xxx_messageInfo_Server.Size(m)
}
func (m *Server) XXX_DiscardUnknown() {
xxx_messageInfo_Server.DiscardUnknown(m)
}
var xxx_messageInfo_Server proto.InternalMessageInfo
func (m *Server) GetIpAddress() []byte {
if m != nil {
@ -537,25 +646,17 @@ func (m *Server) GetLoadBalanceToken() string {
return ""
}
func (m *Server) GetDropForRateLimiting() bool {
func (m *Server) GetDrop() bool {
if m != nil {
return m.DropForRateLimiting
}
return false
}
func (m *Server) GetDropForLoadBalancing() bool {
if m != nil {
return m.DropForLoadBalancing
return m.Drop
}
return false
}
func init() {
proto.RegisterType((*Duration)(nil), "grpc.lb.v1.Duration")
proto.RegisterType((*Timestamp)(nil), "grpc.lb.v1.Timestamp")
proto.RegisterType((*LoadBalanceRequest)(nil), "grpc.lb.v1.LoadBalanceRequest")
proto.RegisterType((*InitialLoadBalanceRequest)(nil), "grpc.lb.v1.InitialLoadBalanceRequest")
proto.RegisterType((*ClientStatsPerToken)(nil), "grpc.lb.v1.ClientStatsPerToken")
proto.RegisterType((*ClientStats)(nil), "grpc.lb.v1.ClientStats")
proto.RegisterType((*LoadBalanceResponse)(nil), "grpc.lb.v1.LoadBalanceResponse")
proto.RegisterType((*InitialLoadBalanceResponse)(nil), "grpc.lb.v1.InitialLoadBalanceResponse")
@ -563,53 +664,55 @@ func init() {
proto.RegisterType((*Server)(nil), "grpc.lb.v1.Server")
}
func init() { proto.RegisterFile("grpc_lb_v1/messages/messages.proto", fileDescriptor0) }
var fileDescriptor0 = []byte{
// 709 bytes of a gzipped FileDescriptorProto
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func init() {
proto.RegisterFile("grpc_lb_v1/messages/messages.proto", fileDescriptor_messages_b3d89fcb5aa158f8)
}
var fileDescriptor_messages_b3d89fcb5aa158f8 = []byte{
// 708 bytes of a gzipped FileDescriptorProto
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}

80
vendor/google.golang.org/grpc/grpclb/grpc_lb_v1/messages/messages.proto generated vendored
View File

@ -14,36 +14,12 @@
syntax = "proto3";
import "google/protobuf/duration.proto";
import "google/protobuf/timestamp.proto";
package grpc.lb.v1;
option go_package = "google.golang.org/grpc/grpclb/grpc_lb_v1/messages";
message Duration {
// Signed seconds of the span of time. Must be from -315,576,000,000
// to +315,576,000,000 inclusive.
int64 seconds = 1;
// Signed fractions of a second at nanosecond resolution of the span
// of time. Durations less than one second are represented with a 0
// `seconds` field and a positive or negative `nanos` field. For durations
// of one second or more, a non-zero value for the `nanos` field must be
// of the same sign as the `seconds` field. Must be from -999,999,999
// to +999,999,999 inclusive.
int32 nanos = 2;
}
message Timestamp {
// Represents seconds of UTC time since Unix epoch
// 1970-01-01T00:00:00Z. Must be from 0001-01-01T00:00:00Z to
// 9999-12-31T23:59:59Z inclusive.
int64 seconds = 1;
// Non-negative fractions of a second at nanosecond resolution. Negative
// second values with fractions must still have non-negative nanos values
// that count forward in time. Must be from 0 to 999,999,999
// inclusive.
int32 nanos = 2;
}
message LoadBalanceRequest {
oneof load_balance_request_type {
// This message should be sent on the first request to the load balancer.
@ -56,16 +32,25 @@ message LoadBalanceRequest {
}
message InitialLoadBalanceRequest {
// Name of load balanced service (IE, balancer.service.com)
// Name of load balanced service (IE, balancer.service.com). Its
// length should be less than 256 bytes.
string name = 1;
}
// Contains the number of calls finished for a particular load balance token.
message ClientStatsPerToken {
// See Server.load_balance_token.
string load_balance_token = 1;
// The total number of RPCs that finished associated with the token.
int64 num_calls = 2;
}
// Contains client level statistics that are useful to load balancing. Each
// count except the timestamp should be reset to zero after reporting the stats.
message ClientStats {
// The timestamp of generating the report.
Timestamp timestamp = 1;
google.protobuf.Timestamp timestamp = 1;
// The total number of RPCs that started.
int64 num_calls_started = 2;
@ -73,20 +58,17 @@ message ClientStats {
// The total number of RPCs that finished.
int64 num_calls_finished = 3;
// The total number of RPCs that were dropped by the client because of rate
// limiting.
int64 num_calls_finished_with_drop_for_rate_limiting = 4;
// The total number of RPCs that were dropped by the client because of load
// balancing.
int64 num_calls_finished_with_drop_for_load_balancing = 5;
// The total number of RPCs that failed to reach a server except dropped RPCs.
int64 num_calls_finished_with_client_failed_to_send = 6;
// The total number of RPCs that finished and are known to have been received
// by a server.
int64 num_calls_finished_known_received = 7;
// The list of dropped calls.
repeated ClientStatsPerToken calls_finished_with_drop = 8;
reserved 4, 5;
}
message LoadBalanceResponse {
@ -111,7 +93,7 @@ message InitialLoadBalanceResponse {
// This interval defines how often the client should send the client stats
// to the load balancer. Stats should only be reported when the duration is
// positive.
Duration client_stats_report_interval = 2;
google.protobuf.Duration client_stats_report_interval = 2;
}
message ServerList {
@ -125,10 +107,8 @@ message ServerList {
reserved 3;
}
// Contains server information. When none of the [drop_for_*] fields are true,
// use the other fields. When drop_for_rate_limiting is true, ignore all other
// fields. Use drop_for_load_balancing only when it is true and
// drop_for_rate_limiting is false.
// Contains server information. When the drop field is not true, use the other
// fields.
message Server {
// A resolved address for the server, serialized in network-byte-order. It may
// either be an IPv4 or IPv6 address.
@ -140,16 +120,14 @@ message Server {
// An opaque but printable token given to the frontend for each pick. All
// frontend requests for that pick must include the token in its initial
// metadata. The token is used by the backend to verify the request and to
// allow the backend to report load to the gRPC LB system.
//
// Its length is variable but less than 50 bytes.
// allow the backend to report load to the gRPC LB system. The token is also
// used in client stats for reporting dropped calls.
string load_balance_token = 3;
// Indicates whether this particular request should be dropped by the client
// for rate limiting.
bool drop_for_rate_limiting = 4;
// Indicates whether this particular request should be dropped by the client.
// If the request is dropped, there will be a corresponding entry in
// ClientStats.calls_finished_with_drop.
bool drop = 4;
// Indicates whether this particular request should be dropped by the client
// for load balancing.
bool drop_for_load_balancing = 5;
reserved 5;
}

72
vendor/google.golang.org/grpc/grpclb/grpc_lb_v1/service/service.pb.go generated vendored
View File

@ -1,20 +1,12 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// source: grpc_lb_v1/service/service.proto
/*
Package service is a generated protocol buffer package.
It is generated from these files:
grpc_lb_v1/service/service.proto
It has these top-level messages:
*/
package service
package service // import "google.golang.org/grpc/grpclb/grpc_lb_v1/service"
import proto "github.com/golang/protobuf/proto"
import fmt "fmt"
import math "math"
import grpc_lb_v1 "google.golang.org/grpc/grpclb/grpc_lb_v1/messages"
import messages "google.golang.org/grpc/grpclb/grpc_lb_v1/messages"
import (
context "golang.org/x/net/context"
@ -40,8 +32,9 @@ var _ grpc.ClientConn
// is compatible with the grpc package it is being compiled against.
const _ = grpc.SupportPackageIsVersion4
// Client API for LoadBalancer service
// LoadBalancerClient is the client API for LoadBalancer service.
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
type LoadBalancerClient interface {
// Bidirectional rpc to get a list of servers.
BalanceLoad(ctx context.Context, opts ...grpc.CallOption) (LoadBalancer_BalanceLoadClient, error)
@ -56,7 +49,7 @@ func NewLoadBalancerClient(cc *grpc.ClientConn) LoadBalancerClient {
}
func (c *loadBalancerClient) BalanceLoad(ctx context.Context, opts ...grpc.CallOption) (LoadBalancer_BalanceLoadClient, error) {
stream, err := grpc.NewClientStream(ctx, &_LoadBalancer_serviceDesc.Streams[0], c.cc, "/grpc.lb.v1.LoadBalancer/BalanceLoad", opts...)
stream, err := c.cc.NewStream(ctx, &_LoadBalancer_serviceDesc.Streams[0], "/grpc.lb.v1.LoadBalancer/BalanceLoad", opts...)
if err != nil {
return nil, err
}
@ -65,8 +58,8 @@ func (c *loadBalancerClient) BalanceLoad(ctx context.Context, opts ...grpc.CallO
}
type LoadBalancer_BalanceLoadClient interface {
Send(*grpc_lb_v1.LoadBalanceRequest) error
Recv() (*grpc_lb_v1.LoadBalanceResponse, error)
Send(*messages.LoadBalanceRequest) error
Recv() (*messages.LoadBalanceResponse, error)
grpc.ClientStream
}
@ -74,20 +67,19 @@ type loadBalancerBalanceLoadClient struct {
grpc.ClientStream
}
func (x *loadBalancerBalanceLoadClient) Send(m *grpc_lb_v1.LoadBalanceRequest) error {
func (x *loadBalancerBalanceLoadClient) Send(m *messages.LoadBalanceRequest) error {
return x.ClientStream.SendMsg(m)
}
func (x *loadBalancerBalanceLoadClient) Recv() (*grpc_lb_v1.LoadBalanceResponse, error) {
m := new(grpc_lb_v1.LoadBalanceResponse)
func (x *loadBalancerBalanceLoadClient) Recv() (*messages.LoadBalanceResponse, error) {
m := new(messages.LoadBalanceResponse)
if err := x.ClientStream.RecvMsg(m); err != nil {
return nil, err
}
return m, nil
}
// Server API for LoadBalancer service
// LoadBalancerServer is the server API for LoadBalancer service.
type LoadBalancerServer interface {
// Bidirectional rpc to get a list of servers.
BalanceLoad(LoadBalancer_BalanceLoadServer) error
@ -102,8 +94,8 @@ func _LoadBalancer_BalanceLoad_Handler(srv interface{}, stream grpc.ServerStream
}
type LoadBalancer_BalanceLoadServer interface {
Send(*grpc_lb_v1.LoadBalanceResponse) error
Recv() (*grpc_lb_v1.LoadBalanceRequest, error)
Send(*messages.LoadBalanceResponse) error
Recv() (*messages.LoadBalanceRequest, error)
grpc.ServerStream
}
@ -111,12 +103,12 @@ type loadBalancerBalanceLoadServer struct {
grpc.ServerStream
}
func (x *loadBalancerBalanceLoadServer) Send(m *grpc_lb_v1.LoadBalanceResponse) error {
func (x *loadBalancerBalanceLoadServer) Send(m *messages.LoadBalanceResponse) error {
return x.ServerStream.SendMsg(m)
}
func (x *loadBalancerBalanceLoadServer) Recv() (*grpc_lb_v1.LoadBalanceRequest, error) {
m := new(grpc_lb_v1.LoadBalanceRequest)
func (x *loadBalancerBalanceLoadServer) Recv() (*messages.LoadBalanceRequest, error) {
m := new(messages.LoadBalanceRequest)
if err := x.ServerStream.RecvMsg(m); err != nil {
return nil, err
}
@ -138,17 +130,21 @@ var _LoadBalancer_serviceDesc = grpc.ServiceDesc{
Metadata: "grpc_lb_v1/service/service.proto",
}
func init() { proto.RegisterFile("grpc_lb_v1/service/service.proto", fileDescriptor0) }
var fileDescriptor0 = []byte{
// 142 bytes of a gzipped FileDescriptorProto
0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x52, 0x48, 0x2f, 0x2a, 0x48,
0x8e, 0xcf, 0x49, 0x8a, 0x2f, 0x33, 0xd4, 0x2f, 0x4e, 0x2d, 0x2a, 0xcb, 0x4c, 0x4e, 0x85, 0xd1,
0x7a, 0x05, 0x45, 0xf9, 0x25, 0xf9, 0x42, 0x5c, 0x20, 0x15, 0x7a, 0x39, 0x49, 0x7a, 0x65, 0x86,
0x52, 0x4a, 0x48, 0xaa, 0x73, 0x53, 0x8b, 0x8b, 0x13, 0xd3, 0x53, 0x8b, 0xe1, 0x0c, 0x88, 0x7a,
0xa3, 0x24, 0x2e, 0x1e, 0x9f, 0xfc, 0xc4, 0x14, 0xa7, 0xc4, 0x9c, 0xc4, 0xbc, 0xe4, 0xd4, 0x22,
0xa1, 0x20, 0x2e, 0x6e, 0x28, 0x1b, 0x24, 0x2c, 0x24, 0xa7, 0x87, 0x30, 0x4f, 0x0f, 0x49, 0x61,
0x50, 0x6a, 0x61, 0x69, 0x6a, 0x71, 0x89, 0x94, 0x3c, 0x4e, 0xf9, 0xe2, 0x82, 0xfc, 0xbc, 0xe2,
0x54, 0x0d, 0x46, 0x03, 0x46, 0x27, 0xce, 0x28, 0x76, 0xa8, 0x23, 0x93, 0xd8, 0xc0, 0xb6, 0x1a,
0x03, 0x02, 0x00, 0x00, 0xff, 0xff, 0x39, 0x4e, 0xb0, 0xf8, 0xc9, 0x00, 0x00, 0x00,
func init() {
proto.RegisterFile("grpc_lb_v1/service/service.proto", fileDescriptor_service_8695ac2203226366)
}
var fileDescriptor_service_8695ac2203226366 = []byte{
// 166 bytes of a gzipped FileDescriptorProto
0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x74, 0x8f, 0xbd, 0x0e, 0xc2, 0x40,
0x08, 0x80, 0xd3, 0xc5, 0xe1, 0x74, 0xea, 0xd8, 0x41, 0x8d, 0x93, 0x13, 0xfd, 0xf1, 0x0d, 0x3a,
0x3b, 0x75, 0x74, 0x69, 0xee, 0x2a, 0x21, 0x26, 0x58, 0xea, 0x51, 0xef, 0xf9, 0xcd, 0xd5, 0xbf,
0x26, 0xc6, 0x05, 0xbe, 0xc0, 0x07, 0x01, 0xb3, 0x25, 0x3f, 0x74, 0x2d, 0xbb, 0x36, 0x94, 0xb9,
0xa2, 0x0f, 0x97, 0x0e, 0xdf, 0x19, 0x06, 0x2f, 0xa3, 0xa4, 0x26, 0x1a, 0xc0, 0x0e, 0x42, 0x99,
0xed, 0x66, 0xf6, 0x15, 0x55, 0x2d, 0xa1, 0x7e, 0xe0, 0xe9, 0x57, 0xce, 0xac, 0x8e, 0x62, 0xcf,
0xb5, 0x65, 0xdb, 0x77, 0xe8, 0xd3, 0xc6, 0x2c, 0x5f, 0x1c, 0xcb, 0xe9, 0x1a, 0xbe, 0xfb, 0x60,
0x26, 0x36, 0x78, 0xbb, 0xa3, 0x8e, 0xd9, 0xe6, 0x6f, 0x5f, 0x07, 0xe9, 0x15, 0xf7, 0x49, 0x91,
0xd4, 0xd5, 0xa9, 0x20, 0x11, 0x62, 0x04, 0x12, 0xb6, 0x3d, 0x81, 0x78, 0xca, 0xe3, 0xdc, 0x14,
0xd8, 0xe5, 0xbf, 0x5f, 0xb9, 0xc5, 0x74, 0xde, 0xe1, 0x11, 0x00, 0x00, 0xff, 0xff, 0x13, 0xde,
0x84, 0x21, 0xf2, 0x00, 0x00, 0x00,
}

975
vendor/google.golang.org/grpc/grpclb/grpclb_test.go generated vendored
View File

@ -1,975 +0,0 @@
/*
*
* Copyright 2016 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
//go:generate protoc --go_out=plugins=:$GOPATH grpc_lb_v1/messages/messages.proto
//go:generate protoc --go_out=plugins=grpc:$GOPATH grpc_lb_v1/service/service.proto
// Package grpclb_test is currently used only for grpclb testing.
package grpclb_test
import (
"errors"
"fmt"
"io"
"net"
"strconv"
"strings"
"sync"
"testing"
"time"
"github.com/golang/protobuf/proto"
"golang.org/x/net/context"
"google.golang.org/grpc"
"google.golang.org/grpc/balancer"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/credentials"
lbmpb "google.golang.org/grpc/grpclb/grpc_lb_v1/messages"
lbspb "google.golang.org/grpc/grpclb/grpc_lb_v1/service"
_ "google.golang.org/grpc/grpclog/glogger"
"google.golang.org/grpc/metadata"
"google.golang.org/grpc/peer"
"google.golang.org/grpc/resolver"
"google.golang.org/grpc/resolver/manual"
"google.golang.org/grpc/status"
testpb "google.golang.org/grpc/test/grpc_testing"
"google.golang.org/grpc/test/leakcheck"
_ "google.golang.org/grpc/grpclog/glogger"
)
var (
lbServerName = "bar.com"
beServerName = "foo.com"
lbToken = "iamatoken"
// Resolver replaces localhost with fakeName in Next().
// Dialer replaces fakeName with localhost when dialing.
// This will test that custom dialer is passed from Dial to grpclb.
fakeName = "fake.Name"
)
type serverNameCheckCreds struct {
mu sync.Mutex
sn string
expected string
}
func (c *serverNameCheckCreds) ServerHandshake(rawConn net.Conn) (net.Conn, credentials.AuthInfo, error) {
if _, err := io.WriteString(rawConn, c.sn); err != nil {
fmt.Printf("Failed to write the server name %s to the client %v", c.sn, err)
return nil, nil, err
}
return rawConn, nil, nil
}
func (c *serverNameCheckCreds) ClientHandshake(ctx context.Context, addr string, rawConn net.Conn) (net.Conn, credentials.AuthInfo, error) {
c.mu.Lock()
defer c.mu.Unlock()
b := make([]byte, len(c.expected))
errCh := make(chan error, 1)
go func() {
_, err := rawConn.Read(b)
errCh <- err
}()
select {
case err := <-errCh:
if err != nil {
fmt.Printf("Failed to read the server name from the server %v", err)
return nil, nil, err
}
case <-ctx.Done():
return nil, nil, ctx.Err()
}
if c.expected != string(b) {
fmt.Printf("Read the server name %s want %s", string(b), c.expected)
return nil, nil, errors.New("received unexpected server name")
}
return rawConn, nil, nil
}
func (c *serverNameCheckCreds) Info() credentials.ProtocolInfo {
c.mu.Lock()
defer c.mu.Unlock()
return credentials.ProtocolInfo{}
}
func (c *serverNameCheckCreds) Clone() credentials.TransportCredentials {
c.mu.Lock()
defer c.mu.Unlock()
return &serverNameCheckCreds{
expected: c.expected,
}
}
func (c *serverNameCheckCreds) OverrideServerName(s string) error {
c.mu.Lock()
defer c.mu.Unlock()
c.expected = s
return nil
}
// fakeNameDialer replaces fakeName with localhost when dialing.
// This will test that custom dialer is passed from Dial to grpclb.
func fakeNameDialer(addr string, timeout time.Duration) (net.Conn, error) {
addr = strings.Replace(addr, fakeName, "localhost", 1)
return net.DialTimeout("tcp", addr, timeout)
}
type remoteBalancer struct {
sls chan *lbmpb.ServerList
statsDura time.Duration
done chan struct{}
mu sync.Mutex
stats lbmpb.ClientStats
}
func newRemoteBalancer(intervals []time.Duration) *remoteBalancer {
return &remoteBalancer{
sls: make(chan *lbmpb.ServerList, 1),
done: make(chan struct{}),
}
}
func (b *remoteBalancer) stop() {
close(b.sls)
close(b.done)
}
func (b *remoteBalancer) BalanceLoad(stream lbspb.LoadBalancer_BalanceLoadServer) error {
req, err := stream.Recv()
if err != nil {
return err
}
initReq := req.GetInitialRequest()
if initReq.Name != beServerName {
return status.Errorf(codes.InvalidArgument, "invalid service name: %v", initReq.Name)
}
resp := &lbmpb.LoadBalanceResponse{
LoadBalanceResponseType: &lbmpb.LoadBalanceResponse_InitialResponse{
InitialResponse: &lbmpb.InitialLoadBalanceResponse{
ClientStatsReportInterval: &lbmpb.Duration{
Seconds: int64(b.statsDura.Seconds()),
Nanos: int32(b.statsDura.Nanoseconds() - int64(b.statsDura.Seconds())*1e9),
},
},
},
}
if err := stream.Send(resp); err != nil {
return err
}
go func() {
for {
var (
req *lbmpb.LoadBalanceRequest
err error
)
if req, err = stream.Recv(); err != nil {
return
}
b.mu.Lock()
b.stats.NumCallsStarted += req.GetClientStats().NumCallsStarted
b.stats.NumCallsFinished += req.GetClientStats().NumCallsFinished
b.stats.NumCallsFinishedWithDropForRateLimiting += req.GetClientStats().NumCallsFinishedWithDropForRateLimiting
b.stats.NumCallsFinishedWithDropForLoadBalancing += req.GetClientStats().NumCallsFinishedWithDropForLoadBalancing
b.stats.NumCallsFinishedWithClientFailedToSend += req.GetClientStats().NumCallsFinishedWithClientFailedToSend
b.stats.NumCallsFinishedKnownReceived += req.GetClientStats().NumCallsFinishedKnownReceived
b.mu.Unlock()
}
}()
for v := range b.sls {
resp = &lbmpb.LoadBalanceResponse{
LoadBalanceResponseType: &lbmpb.LoadBalanceResponse_ServerList{
ServerList: v,
},
}
if err := stream.Send(resp); err != nil {
return err
}
}
<-b.done
return nil
}
type testServer struct {
testpb.TestServiceServer
addr string
fallback bool
}
const testmdkey = "testmd"
func (s *testServer) EmptyCall(ctx context.Context, in *testpb.Empty) (*testpb.Empty, error) {
md, ok := metadata.FromIncomingContext(ctx)
if !ok {
return nil, status.Error(codes.Internal, "failed to receive metadata")
}
if !s.fallback && (md == nil || md["lb-token"][0] != lbToken) {
return nil, status.Errorf(codes.Internal, "received unexpected metadata: %v", md)
}
grpc.SetTrailer(ctx, metadata.Pairs(testmdkey, s.addr))
return &testpb.Empty{}, nil
}
func (s *testServer) FullDuplexCall(stream testpb.TestService_FullDuplexCallServer) error {
return nil
}
func startBackends(sn string, fallback bool, lis ...net.Listener) (servers []*grpc.Server) {
for _, l := range lis {
creds := &serverNameCheckCreds{
sn: sn,
}
s := grpc.NewServer(grpc.Creds(creds))
testpb.RegisterTestServiceServer(s, &testServer{addr: l.Addr().String(), fallback: fallback})
servers = append(servers, s)
go func(s *grpc.Server, l net.Listener) {
s.Serve(l)
}(s, l)
}
return
}
func stopBackends(servers []*grpc.Server) {
for _, s := range servers {
s.Stop()
}
}
type testServers struct {
lbAddr string
ls *remoteBalancer
lb *grpc.Server
beIPs []net.IP
bePorts []int
}
func newLoadBalancer(numberOfBackends int) (tss *testServers, cleanup func(), err error) {
var (
beListeners []net.Listener
ls *remoteBalancer
lb *grpc.Server
beIPs []net.IP
bePorts []int
)
for i := 0; i < numberOfBackends; i++ {
// Start a backend.
beLis, e := net.Listen("tcp", "localhost:0")
if e != nil {
err = fmt.Errorf("Failed to listen %v", err)
return
}
beIPs = append(beIPs, beLis.Addr().(*net.TCPAddr).IP)
bePorts = append(bePorts, beLis.Addr().(*net.TCPAddr).Port)
beListeners = append(beListeners, beLis)
}
backends := startBackends(beServerName, false, beListeners...)
// Start a load balancer.
lbLis, err := net.Listen("tcp", "localhost:0")
if err != nil {
err = fmt.Errorf("Failed to create the listener for the load balancer %v", err)
return
}
lbCreds := &serverNameCheckCreds{
sn: lbServerName,
}
lb = grpc.NewServer(grpc.Creds(lbCreds))
if err != nil {
err = fmt.Errorf("Failed to generate the port number %v", err)
return
}
ls = newRemoteBalancer(nil)
lbspb.RegisterLoadBalancerServer(lb, ls)
go func() {
lb.Serve(lbLis)
}()
tss = &testServers{
lbAddr: fakeName + ":" + strconv.Itoa(lbLis.Addr().(*net.TCPAddr).Port),
ls: ls,
lb: lb,
beIPs: beIPs,
bePorts: bePorts,
}
cleanup = func() {
defer stopBackends(backends)
defer func() {
ls.stop()
lb.Stop()
}()
}
return
}
func TestGRPCLB(t *testing.T) {
defer leakcheck.Check(t)
r, cleanup := manual.GenerateAndRegisterManualResolver()
defer cleanup()
tss, cleanup, err := newLoadBalancer(1)
if err != nil {
t.Fatalf("failed to create new load balancer: %v", err)
}
defer cleanup()
be := &lbmpb.Server{
IpAddress: tss.beIPs[0],
Port: int32(tss.bePorts[0]),
LoadBalanceToken: lbToken,
}
var bes []*lbmpb.Server
bes = append(bes, be)
sl := &lbmpb.ServerList{
Servers: bes,
}
tss.ls.sls <- sl
creds := serverNameCheckCreds{
expected: beServerName,
}
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
cc, err := grpc.DialContext(ctx, r.Scheme()+":///"+beServerName,
grpc.WithTransportCredentials(&creds), grpc.WithDialer(fakeNameDialer))
if err != nil {
t.Fatalf("Failed to dial to the backend %v", err)
}
defer cc.Close()
testC := testpb.NewTestServiceClient(cc)
r.NewAddress([]resolver.Address{{
Addr: tss.lbAddr,
Type: resolver.GRPCLB,
ServerName: lbServerName,
}})
if _, err := testC.EmptyCall(context.Background(), &testpb.Empty{}, grpc.FailFast(false)); err != nil {
t.Fatalf("%v.EmptyCall(_, _) = _, %v, want _, <nil>", testC, err)
}
}
// The remote balancer sends response with duplicates to grpclb client.
func TestGRPCLBWeighted(t *testing.T) {
defer leakcheck.Check(t)
r, cleanup := manual.GenerateAndRegisterManualResolver()
defer cleanup()
tss, cleanup, err := newLoadBalancer(2)
if err != nil {
t.Fatalf("failed to create new load balancer: %v", err)
}
defer cleanup()
beServers := []*lbmpb.Server{{
IpAddress: tss.beIPs[0],
Port: int32(tss.bePorts[0]),
LoadBalanceToken: lbToken,
}, {
IpAddress: tss.beIPs[1],
Port: int32(tss.bePorts[1]),
LoadBalanceToken: lbToken,
}}
portsToIndex := make(map[int]int)
for i := range beServers {
portsToIndex[tss.bePorts[i]] = i
}
creds := serverNameCheckCreds{
expected: beServerName,
}
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
cc, err := grpc.DialContext(ctx, r.Scheme()+":///"+beServerName,
grpc.WithTransportCredentials(&creds), grpc.WithDialer(fakeNameDialer))
if err != nil {
t.Fatalf("Failed to dial to the backend %v", err)
}
defer cc.Close()
testC := testpb.NewTestServiceClient(cc)
r.NewAddress([]resolver.Address{{
Addr: tss.lbAddr,
Type: resolver.GRPCLB,
ServerName: lbServerName,
}})
sequences := []string{"00101", "00011"}
for _, seq := range sequences {
var (
bes []*lbmpb.Server
p peer.Peer
result string
)
for _, s := range seq {
bes = append(bes, beServers[s-'0'])
}
tss.ls.sls <- &lbmpb.ServerList{Servers: bes}
for i := 0; i < 1000; i++ {
if _, err := testC.EmptyCall(context.Background(), &testpb.Empty{}, grpc.FailFast(false), grpc.Peer(&p)); err != nil {
t.Fatalf("%v.EmptyCall(_, _) = _, %v, want _, <nil>", testC, err)
}
result += strconv.Itoa(portsToIndex[p.Addr.(*net.TCPAddr).Port])
}
// The generated result will be in format of "0010100101".
if !strings.Contains(result, strings.Repeat(seq, 2)) {
t.Errorf("got result sequence %q, want patten %q", result, seq)
}
}
}
func TestDropRequest(t *testing.T) {
defer leakcheck.Check(t)
r, cleanup := manual.GenerateAndRegisterManualResolver()
defer cleanup()
tss, cleanup, err := newLoadBalancer(1)
if err != nil {
t.Fatalf("failed to create new load balancer: %v", err)
}
defer cleanup()
tss.ls.sls <- &lbmpb.ServerList{
Servers: []*lbmpb.Server{{
IpAddress: tss.beIPs[0],
Port: int32(tss.bePorts[0]),
LoadBalanceToken: lbToken,
DropForLoadBalancing: false,
}, {
DropForLoadBalancing: true,
}},
}
creds := serverNameCheckCreds{
expected: beServerName,
}
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
cc, err := grpc.DialContext(ctx, r.Scheme()+":///"+beServerName,
grpc.WithTransportCredentials(&creds), grpc.WithDialer(fakeNameDialer))
if err != nil {
t.Fatalf("Failed to dial to the backend %v", err)
}
defer cc.Close()
testC := testpb.NewTestServiceClient(cc)
r.NewAddress([]resolver.Address{{
Addr: tss.lbAddr,
Type: resolver.GRPCLB,
ServerName: lbServerName,
}})
// The 1st, non-fail-fast RPC should succeed. This ensures both server
// connections are made, because the first one has DropForLoadBalancing set to true.
if _, err := testC.EmptyCall(context.Background(), &testpb.Empty{}, grpc.FailFast(false)); err != nil {
t.Fatalf("%v.SayHello(_, _) = _, %v, want _, <nil>", testC, err)
}
for _, failfast := range []bool{true, false} {
for i := 0; i < 3; i++ {
// Even RPCs should fail, because the 2st backend has
// DropForLoadBalancing set to true.
if _, err := testC.EmptyCall(context.Background(), &testpb.Empty{}, grpc.FailFast(failfast)); status.Code(err) != codes.Unavailable {
t.Errorf("%v.EmptyCall(_, _) = _, %v, want _, %s", testC, err, codes.Unavailable)
}
// Odd RPCs should succeed since they choose the non-drop-request
// backend according to the round robin policy.
if _, err := testC.EmptyCall(context.Background(), &testpb.Empty{}, grpc.FailFast(failfast)); err != nil {
t.Errorf("%v.EmptyCall(_, _) = _, %v, want _, <nil>", testC, err)
}
}
}
}
// When the balancer in use disconnects, grpclb should connect to the next address from resolved balancer address list.
func TestBalancerDisconnects(t *testing.T) {
defer leakcheck.Check(t)
r, cleanup := manual.GenerateAndRegisterManualResolver()
defer cleanup()
var (
tests []*testServers
lbs []*grpc.Server
)
for i := 0; i < 2; i++ {
tss, cleanup, err := newLoadBalancer(1)
if err != nil {
t.Fatalf("failed to create new load balancer: %v", err)
}
defer cleanup()
be := &lbmpb.Server{
IpAddress: tss.beIPs[0],
Port: int32(tss.bePorts[0]),
LoadBalanceToken: lbToken,
}
var bes []*lbmpb.Server
bes = append(bes, be)
sl := &lbmpb.ServerList{
Servers: bes,
}
tss.ls.sls <- sl
tests = append(tests, tss)
lbs = append(lbs, tss.lb)
}
creds := serverNameCheckCreds{
expected: beServerName,
}
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
cc, err := grpc.DialContext(ctx, r.Scheme()+":///"+beServerName,
grpc.WithTransportCredentials(&creds), grpc.WithDialer(fakeNameDialer))
if err != nil {
t.Fatalf("Failed to dial to the backend %v", err)
}
defer cc.Close()
testC := testpb.NewTestServiceClient(cc)
r.NewAddress([]resolver.Address{{
Addr: tests[0].lbAddr,
Type: resolver.GRPCLB,
ServerName: lbServerName,
}, {
Addr: tests[1].lbAddr,
Type: resolver.GRPCLB,
ServerName: lbServerName,
}})
var p peer.Peer
if _, err := testC.EmptyCall(context.Background(), &testpb.Empty{}, grpc.FailFast(false), grpc.Peer(&p)); err != nil {
t.Fatalf("%v.EmptyCall(_, _) = _, %v, want _, <nil>", testC, err)
}
if p.Addr.(*net.TCPAddr).Port != tests[0].bePorts[0] {
t.Fatalf("got peer: %v, want peer port: %v", p.Addr, tests[0].bePorts[0])
}
lbs[0].Stop()
// Stop balancer[0], balancer[1] should be used by grpclb.
// Check peer address to see if that happened.
for i := 0; i < 1000; i++ {
if _, err := testC.EmptyCall(context.Background(), &testpb.Empty{}, grpc.FailFast(false), grpc.Peer(&p)); err != nil {
t.Fatalf("%v.EmptyCall(_, _) = _, %v, want _, <nil>", testC, err)
}
if p.Addr.(*net.TCPAddr).Port == tests[1].bePorts[0] {
return
}
time.Sleep(time.Millisecond)
}
t.Fatalf("No RPC sent to second backend after 1 second")
}
type customGRPCLBBuilder struct {
balancer.Builder
name string
}
func (b *customGRPCLBBuilder) Name() string {
return b.name
}
const grpclbCustomFallbackName = "grpclb_with_custom_fallback_timeout"
func init() {
balancer.Register(&customGRPCLBBuilder{
Builder: grpc.NewLBBuilderWithFallbackTimeout(100 * time.Millisecond),
name: grpclbCustomFallbackName,
})
}
func TestFallback(t *testing.T) {
defer leakcheck.Check(t)
r, cleanup := manual.GenerateAndRegisterManualResolver()
defer cleanup()
tss, cleanup, err := newLoadBalancer(1)
if err != nil {
t.Fatalf("failed to create new load balancer: %v", err)
}
defer cleanup()
// Start a standalone backend.
beLis, err := net.Listen("tcp", "localhost:0")
if err != nil {
t.Fatalf("Failed to listen %v", err)
}
defer beLis.Close()
standaloneBEs := startBackends(beServerName, true, beLis)
defer stopBackends(standaloneBEs)
be := &lbmpb.Server{
IpAddress: tss.beIPs[0],
Port: int32(tss.bePorts[0]),
LoadBalanceToken: lbToken,
}
var bes []*lbmpb.Server
bes = append(bes, be)
sl := &lbmpb.ServerList{
Servers: bes,
}
tss.ls.sls <- sl
creds := serverNameCheckCreds{
expected: beServerName,
}
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
cc, err := grpc.DialContext(ctx, r.Scheme()+":///"+beServerName,
grpc.WithBalancerName(grpclbCustomFallbackName),
grpc.WithTransportCredentials(&creds), grpc.WithDialer(fakeNameDialer))
if err != nil {
t.Fatalf("Failed to dial to the backend %v", err)
}
defer cc.Close()
testC := testpb.NewTestServiceClient(cc)
r.NewAddress([]resolver.Address{{
Addr: "",
Type: resolver.GRPCLB,
ServerName: lbServerName,
}, {
Addr: beLis.Addr().String(),
Type: resolver.Backend,
ServerName: beServerName,
}})
var p peer.Peer
if _, err := testC.EmptyCall(context.Background(), &testpb.Empty{}, grpc.FailFast(false), grpc.Peer(&p)); err != nil {
t.Fatalf("%v.EmptyCall(_, _) = _, %v, want _, <nil>", testC, err)
}
if p.Addr.String() != beLis.Addr().String() {
t.Fatalf("got peer: %v, want peer: %v", p.Addr, beLis.Addr())
}
r.NewAddress([]resolver.Address{{
Addr: tss.lbAddr,
Type: resolver.GRPCLB,
ServerName: lbServerName,
}, {
Addr: beLis.Addr().String(),
Type: resolver.Backend,
ServerName: beServerName,
}})
for i := 0; i < 1000; i++ {
if _, err := testC.EmptyCall(context.Background(), &testpb.Empty{}, grpc.FailFast(false), grpc.Peer(&p)); err != nil {
t.Fatalf("%v.EmptyCall(_, _) = _, %v, want _, <nil>", testC, err)
}
if p.Addr.(*net.TCPAddr).Port == tss.bePorts[0] {
return
}
time.Sleep(time.Millisecond)
}
t.Fatalf("No RPC sent to backend behind remote balancer after 1 second")
}
type failPreRPCCred struct{}
func (failPreRPCCred) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
if strings.Contains(uri[0], failtosendURI) {
return nil, fmt.Errorf("rpc should fail to send")
}
return nil, nil
}
func (failPreRPCCred) RequireTransportSecurity() bool {
return false
}
func checkStats(stats *lbmpb.ClientStats, expected *lbmpb.ClientStats) error {
if !proto.Equal(stats, expected) {
return fmt.Errorf("stats not equal: got %+v, want %+v", stats, expected)
}
return nil
}
func runAndGetStats(t *testing.T, dropForLoadBalancing, dropForRateLimiting bool, runRPCs func(*grpc.ClientConn)) lbmpb.ClientStats {
defer leakcheck.Check(t)
r, cleanup := manual.GenerateAndRegisterManualResolver()
defer cleanup()
tss, cleanup, err := newLoadBalancer(1)
if err != nil {
t.Fatalf("failed to create new load balancer: %v", err)
}
defer cleanup()
tss.ls.sls <- &lbmpb.ServerList{
Servers: []*lbmpb.Server{{
IpAddress: tss.beIPs[0],
Port: int32(tss.bePorts[0]),
LoadBalanceToken: lbToken,
DropForLoadBalancing: dropForLoadBalancing,
DropForRateLimiting: dropForRateLimiting,
}},
}
tss.ls.statsDura = 100 * time.Millisecond
creds := serverNameCheckCreds{expected: beServerName}
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
cc, err := grpc.DialContext(ctx, r.Scheme()+":///"+beServerName,
grpc.WithTransportCredentials(&creds),
grpc.WithPerRPCCredentials(failPreRPCCred{}),
grpc.WithDialer(fakeNameDialer))
if err != nil {
t.Fatalf("Failed to dial to the backend %v", err)
}
defer cc.Close()
r.NewAddress([]resolver.Address{{
Addr: tss.lbAddr,
Type: resolver.GRPCLB,
ServerName: lbServerName,
}})
runRPCs(cc)
time.Sleep(1 * time.Second)
tss.ls.mu.Lock()
stats := tss.ls.stats
tss.ls.mu.Unlock()
return stats
}
const (
countRPC = 40
failtosendURI = "failtosend"
dropErrDesc = "request dropped by grpclb"
)
func TestGRPCLBStatsUnarySuccess(t *testing.T) {
defer leakcheck.Check(t)
stats := runAndGetStats(t, false, false, func(cc *grpc.ClientConn) {
testC := testpb.NewTestServiceClient(cc)
// The first non-failfast RPC succeeds, all connections are up.
if _, err := testC.EmptyCall(context.Background(), &testpb.Empty{}, grpc.FailFast(false)); err != nil {
t.Fatalf("%v.EmptyCall(_, _) = _, %v, want _, <nil>", testC, err)
}
for i := 0; i < countRPC-1; i++ {
testC.EmptyCall(context.Background(), &testpb.Empty{})
}
})
if err := checkStats(&stats, &lbmpb.ClientStats{
NumCallsStarted: int64(countRPC),
NumCallsFinished: int64(countRPC),
NumCallsFinishedKnownReceived: int64(countRPC),
}); err != nil {
t.Fatal(err)
}
}
func TestGRPCLBStatsUnaryDropLoadBalancing(t *testing.T) {
defer leakcheck.Check(t)
c := 0
stats := runAndGetStats(t, true, false, func(cc *grpc.ClientConn) {
testC := testpb.NewTestServiceClient(cc)
for {
c++
if _, err := testC.EmptyCall(context.Background(), &testpb.Empty{}); err != nil {
if strings.Contains(err.Error(), dropErrDesc) {
break
}
}
}
for i := 0; i < countRPC; i++ {
testC.EmptyCall(context.Background(), &testpb.Empty{})
}
})
if err := checkStats(&stats, &lbmpb.ClientStats{
NumCallsStarted: int64(countRPC + c),
NumCallsFinished: int64(countRPC + c),
NumCallsFinishedWithDropForLoadBalancing: int64(countRPC + 1),
NumCallsFinishedWithClientFailedToSend: int64(c - 1),
}); err != nil {
t.Fatal(err)
}
}
func TestGRPCLBStatsUnaryDropRateLimiting(t *testing.T) {
defer leakcheck.Check(t)
c := 0
stats := runAndGetStats(t, false, true, func(cc *grpc.ClientConn) {
testC := testpb.NewTestServiceClient(cc)
for {
c++
if _, err := testC.EmptyCall(context.Background(), &testpb.Empty{}); err != nil {
if strings.Contains(err.Error(), dropErrDesc) {
break
}
}
}
for i := 0; i < countRPC; i++ {
testC.EmptyCall(context.Background(), &testpb.Empty{})
}
})
if err := checkStats(&stats, &lbmpb.ClientStats{
NumCallsStarted: int64(countRPC + c),
NumCallsFinished: int64(countRPC + c),
NumCallsFinishedWithDropForRateLimiting: int64(countRPC + 1),
NumCallsFinishedWithClientFailedToSend: int64(c - 1),
}); err != nil {
t.Fatal(err)
}
}
func TestGRPCLBStatsUnaryFailedToSend(t *testing.T) {
defer leakcheck.Check(t)
stats := runAndGetStats(t, false, false, func(cc *grpc.ClientConn) {
testC := testpb.NewTestServiceClient(cc)
// The first non-failfast RPC succeeds, all connections are up.
if _, err := testC.EmptyCall(context.Background(), &testpb.Empty{}, grpc.FailFast(false)); err != nil {
t.Fatalf("%v.EmptyCall(_, _) = _, %v, want _, <nil>", testC, err)
}
for i := 0; i < countRPC-1; i++ {
grpc.Invoke(context.Background(), failtosendURI, &testpb.Empty{}, nil, cc)
}
})
if err := checkStats(&stats, &lbmpb.ClientStats{
NumCallsStarted: int64(countRPC),
NumCallsFinished: int64(countRPC),
NumCallsFinishedWithClientFailedToSend: int64(countRPC - 1),
NumCallsFinishedKnownReceived: 1,
}); err != nil {
t.Fatal(err)
}
}
func TestGRPCLBStatsStreamingSuccess(t *testing.T) {
defer leakcheck.Check(t)
stats := runAndGetStats(t, false, false, func(cc *grpc.ClientConn) {
testC := testpb.NewTestServiceClient(cc)
// The first non-failfast RPC succeeds, all connections are up.
stream, err := testC.FullDuplexCall(context.Background(), grpc.FailFast(false))
if err != nil {
t.Fatalf("%v.FullDuplexCall(_, _) = _, %v, want _, <nil>", testC, err)
}
for {
if _, err = stream.Recv(); err == io.EOF {
break
}
}
for i := 0; i < countRPC-1; i++ {
stream, err = testC.FullDuplexCall(context.Background())
if err == nil {
// Wait for stream to end if err is nil.
for {
if _, err = stream.Recv(); err == io.EOF {
break
}
}
}
}
})
if err := checkStats(&stats, &lbmpb.ClientStats{
NumCallsStarted: int64(countRPC),
NumCallsFinished: int64(countRPC),
NumCallsFinishedKnownReceived: int64(countRPC),
}); err != nil {
t.Fatal(err)
}
}
func TestGRPCLBStatsStreamingDropLoadBalancing(t *testing.T) {
defer leakcheck.Check(t)
c := 0
stats := runAndGetStats(t, true, false, func(cc *grpc.ClientConn) {
testC := testpb.NewTestServiceClient(cc)
for {
c++
if _, err := testC.EmptyCall(context.Background(), &testpb.Empty{}); err != nil {
if strings.Contains(err.Error(), dropErrDesc) {
break
}
}
}
for i := 0; i < countRPC; i++ {
testC.FullDuplexCall(context.Background())
}
})
if err := checkStats(&stats, &lbmpb.ClientStats{
NumCallsStarted: int64(countRPC + c),
NumCallsFinished: int64(countRPC + c),
NumCallsFinishedWithDropForLoadBalancing: int64(countRPC + 1),
NumCallsFinishedWithClientFailedToSend: int64(c - 1),
}); err != nil {
t.Fatal(err)
}
}
func TestGRPCLBStatsStreamingDropRateLimiting(t *testing.T) {
defer leakcheck.Check(t)
c := 0
stats := runAndGetStats(t, false, true, func(cc *grpc.ClientConn) {
testC := testpb.NewTestServiceClient(cc)
for {
c++
if _, err := testC.EmptyCall(context.Background(), &testpb.Empty{}); err != nil {
if strings.Contains(err.Error(), dropErrDesc) {
break
}
}
}
for i := 0; i < countRPC; i++ {
testC.FullDuplexCall(context.Background())
}
})
if err := checkStats(&stats, &lbmpb.ClientStats{
NumCallsStarted: int64(countRPC + c),
NumCallsFinished: int64(countRPC + c),
NumCallsFinishedWithDropForRateLimiting: int64(countRPC + 1),
NumCallsFinishedWithClientFailedToSend: int64(c - 1),
}); err != nil {
t.Fatal(err)
}
}
func TestGRPCLBStatsStreamingFailedToSend(t *testing.T) {
defer leakcheck.Check(t)
stats := runAndGetStats(t, false, false, func(cc *grpc.ClientConn) {
testC := testpb.NewTestServiceClient(cc)
// The first non-failfast RPC succeeds, all connections are up.
stream, err := testC.FullDuplexCall(context.Background(), grpc.FailFast(false))
if err != nil {
t.Fatalf("%v.FullDuplexCall(_, _) = _, %v, want _, <nil>", testC, err)
}
for {
if _, err = stream.Recv(); err == io.EOF {
break
}
}
for i := 0; i < countRPC-1; i++ {
grpc.NewClientStream(context.Background(), &grpc.StreamDesc{}, cc, failtosendURI)
}
})
if err := checkStats(&stats, &lbmpb.ClientStats{
NumCallsStarted: int64(countRPC),
NumCallsFinished: int64(countRPC),
NumCallsFinishedWithClientFailedToSend: int64(countRPC - 1),
NumCallsFinishedKnownReceived: 1,
}); err != nil {
t.Fatal(err)
}
}

27
vendor/google.golang.org/grpc/grpclb/noimport.go generated vendored Normal file
View File

@ -0,0 +1,27 @@
/*
*
* Copyright 2018 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
//go:generate protoc --go_out=plugins=:$GOPATH/src grpc_lb_v1/messages/messages.proto
//go:generate protoc --go_out=plugins=grpc:$GOPATH/src grpc_lb_v1/service/service.proto
// Package grpclb is a dummy package for generating code. Look at balancer/grpclb instead.
package grpclb
func init() {
panic("Don't import this package. For grpclb, see package google.golang.org/grpc/balancer/grpclb")
}