Fresh dep ensure

This commit is contained in:
Mike Cronce
2018-11-26 13:23:56 -05:00
parent 93cb8a04d7
commit 407478ab9a
9016 changed files with 551394 additions and 279685 deletions

View File

@ -28,6 +28,7 @@ import (
"golang.org/x/net/context"
"google.golang.org/grpc/connectivity"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/metadata"
"google.golang.org/grpc/resolver"
)
@ -88,7 +89,12 @@ type SubConn interface {
}
// NewSubConnOptions contains options to create new SubConn.
type NewSubConnOptions struct{}
type NewSubConnOptions struct {
// CredsBundle is the credentials bundle that will be used in the created
// SubConn. If it's nil, the original creds from grpc DialOptions will be
// used.
CredsBundle credentials.Bundle
}
// ClientConn represents a gRPC ClientConn.
//
@ -125,6 +131,8 @@ type BuildOptions struct {
// use to dial to a remote load balancer server. The Balancer implementations
// can ignore this if it does not need to talk to another party securely.
DialCreds credentials.TransportCredentials
// CredsBundle is the credentials bundle that the Balancer can use.
CredsBundle credentials.Bundle
// Dialer is the custom dialer the Balancer implementation can use to dial
// to a remote load balancer server. The Balancer implementations
// can ignore this if it doesn't need to talk to remote balancer.
@ -143,12 +151,21 @@ type Builder interface {
}
// PickOptions contains addition information for the Pick operation.
type PickOptions struct{}
type PickOptions struct {
// FullMethodName is the method name that NewClientStream() is called
// with. The canonical format is /service/Method.
FullMethodName string
// Header contains the metadata from the RPC's client header. The metadata
// should not be modified; make a copy first if needed.
Header metadata.MD
}
// DoneInfo contains additional information for done.
type DoneInfo struct {
// Err is the rpc error the RPC finished with. It could be nil.
Err error
// Trailer contains the metadata from the RPC's trailer, if present.
Trailer metadata.MD
// BytesSent indicates if any bytes have been sent to the server.
BytesSent bool
// BytesReceived indicates if any byte has been received from the server.

View File

@ -39,7 +39,7 @@ 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_load_balancer_077502ef49b0d1b1, []int{0}
return fileDescriptor_load_balancer_12026aec3f0251ba, []int{0}
}
func (m *LoadBalanceRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_LoadBalanceRequest.Unmarshal(m, b)
@ -66,12 +66,14 @@ type isLoadBalanceRequest_LoadBalanceRequestType interface {
type LoadBalanceRequest_InitialRequest struct {
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,proto3,oneof"`
}
func (*LoadBalanceRequest_InitialRequest) isLoadBalanceRequest_LoadBalanceRequestType() {}
func (*LoadBalanceRequest_ClientStats) isLoadBalanceRequest_LoadBalanceRequestType() {}
func (*LoadBalanceRequest_ClientStats) isLoadBalanceRequest_LoadBalanceRequestType() {}
func (m *LoadBalanceRequest) GetLoadBalanceRequestType() isLoadBalanceRequest_LoadBalanceRequestType {
if m != nil {
@ -169,8 +171,10 @@ func _LoadBalanceRequest_OneofSizer(msg proto.Message) (n int) {
}
type InitialLoadBalanceRequest struct {
// Name of load balanced service (IE, service.googleapis.com). Its
// The name of the load balanced service (e.g., service.googleapis.com). Its
// length should be less than 256 bytes.
// The name might include a port number. How to handle the port number is up
// to the balancer.
Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
@ -181,7 +185,7 @@ func (m *InitialLoadBalanceRequest) Reset() { *m = InitialLoadBalanceReq
func (m *InitialLoadBalanceRequest) String() string { return proto.CompactTextString(m) }
func (*InitialLoadBalanceRequest) ProtoMessage() {}
func (*InitialLoadBalanceRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_load_balancer_077502ef49b0d1b1, []int{1}
return fileDescriptor_load_balancer_12026aec3f0251ba, []int{1}
}
func (m *InitialLoadBalanceRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_InitialLoadBalanceRequest.Unmarshal(m, b)
@ -223,7 +227,7 @@ 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_load_balancer_077502ef49b0d1b1, []int{2}
return fileDescriptor_load_balancer_12026aec3f0251ba, []int{2}
}
func (m *ClientStatsPerToken) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ClientStatsPerToken.Unmarshal(m, b)
@ -282,7 +286,7 @@ 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_load_balancer_077502ef49b0d1b1, []int{3}
return fileDescriptor_load_balancer_12026aec3f0251ba, []int{3}
}
func (m *ClientStats) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ClientStats.Unmarshal(m, b)
@ -358,7 +362,7 @@ 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_load_balancer_077502ef49b0d1b1, []int{4}
return fileDescriptor_load_balancer_12026aec3f0251ba, []int{4}
}
func (m *LoadBalanceResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_LoadBalanceResponse.Unmarshal(m, b)
@ -385,12 +389,14 @@ type isLoadBalanceResponse_LoadBalanceResponseType interface {
type LoadBalanceResponse_InitialResponse struct {
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,proto3,oneof"`
}
func (*LoadBalanceResponse_InitialResponse) isLoadBalanceResponse_LoadBalanceResponseType() {}
func (*LoadBalanceResponse_ServerList) isLoadBalanceResponse_LoadBalanceResponseType() {}
func (*LoadBalanceResponse_ServerList) isLoadBalanceResponse_LoadBalanceResponseType() {}
func (m *LoadBalanceResponse) GetLoadBalanceResponseType() isLoadBalanceResponse_LoadBalanceResponseType {
if m != nil {
@ -507,7 +513,7 @@ func (m *InitialLoadBalanceResponse) Reset() { *m = InitialLoadBalanceRe
func (m *InitialLoadBalanceResponse) String() string { return proto.CompactTextString(m) }
func (*InitialLoadBalanceResponse) ProtoMessage() {}
func (*InitialLoadBalanceResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_load_balancer_077502ef49b0d1b1, []int{5}
return fileDescriptor_load_balancer_12026aec3f0251ba, []int{5}
}
func (m *InitialLoadBalanceResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_InitialLoadBalanceResponse.Unmarshal(m, b)
@ -556,7 +562,7 @@ 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_load_balancer_077502ef49b0d1b1, []int{6}
return fileDescriptor_load_balancer_12026aec3f0251ba, []int{6}
}
func (m *ServerList) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ServerList.Unmarshal(m, b)
@ -591,11 +597,13 @@ type Server struct {
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,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. The token is also
// used in client stats for reporting dropped calls.
// An opaque but printable token for load reporting. The client must include
// the token of the picked server into the initial metadata when it starts a
// call to that server. The token is used by the server to verify the request
// and to allow the server to report load to the gRPC LB system. The token is
// also used in client stats for reporting dropped calls.
//
// Its length can be variable but must be less than 50 bytes.
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
@ -610,7 +618,7 @@ 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_load_balancer_077502ef49b0d1b1, []int{7}
return fileDescriptor_load_balancer_12026aec3f0251ba, []int{7}
}
func (m *Server) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Server.Unmarshal(m, b)
@ -776,57 +784,56 @@ var _LoadBalancer_serviceDesc = grpc.ServiceDesc{
}
func init() {
proto.RegisterFile("grpc/lb/v1/load_balancer.proto", fileDescriptor_load_balancer_077502ef49b0d1b1)
proto.RegisterFile("grpc/lb/v1/load_balancer.proto", fileDescriptor_load_balancer_12026aec3f0251ba)
}
var fileDescriptor_load_balancer_077502ef49b0d1b1 = []byte{
// 756 bytes of a gzipped FileDescriptorProto
var fileDescriptor_load_balancer_12026aec3f0251ba = []byte{
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}

View File

@ -25,7 +25,7 @@
package grpclb
import (
"fmt"
"errors"
"strconv"
"strings"
"sync"
@ -37,7 +37,9 @@ import (
"google.golang.org/grpc/balancer"
lbpb "google.golang.org/grpc/balancer/grpclb/grpc_lb_v1"
"google.golang.org/grpc/connectivity"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/grpclog"
"google.golang.org/grpc/internal"
"google.golang.org/grpc/internal/backoff"
"google.golang.org/grpc/resolver"
)
@ -59,7 +61,7 @@ var (
defaultBackoffConfig = backoff.Exponential{
MaxDelay: 120 * time.Second,
}
errServerTerminatedConnection = fmt.Errorf("grpclb: failed to recv server list: server terminated connection")
errServerTerminatedConnection = errors.New("grpclb: failed to recv server list: server terminated connection")
)
func convertDuration(d *durationpb.Duration) time.Duration {
@ -166,13 +168,35 @@ func (b *lbBuilder) Build(cc balancer.ClientConn, opt balancer.BuildOptions) bal
backoff: defaultBackoffConfig, // TODO: make backoff configurable.
}
var err error
if opt.CredsBundle != nil {
lb.grpclbClientConnCreds, err = opt.CredsBundle.NewWithMode(internal.CredsBundleModeBalancer)
if err != nil {
grpclog.Warningf("lbBalancer: client connection creds NewWithMode failed: %v", err)
}
lb.grpclbBackendCreds, err = opt.CredsBundle.NewWithMode(internal.CredsBundleModeBackendFromBalancer)
if err != nil {
grpclog.Warningf("lbBalancer: backend creds NewWithMode failed: %v", err)
}
}
return lb
}
type lbBalancer struct {
cc *lbCacheClientConn
target string
opt balancer.BuildOptions
cc *lbCacheClientConn
target string
opt balancer.BuildOptions
// grpclbClientConnCreds is the creds bundle to be used to connect to grpclb
// servers. If it's nil, use the TransportCredentials from BuildOptions
// instead.
grpclbClientConnCreds credentials.Bundle
// grpclbBackendCreds is the creds bundle to be used for addresses that are
// returned by grpclb server. If it's nil, don't set anything when creating
// SubConns.
grpclbBackendCreds credentials.Bundle
fallbackTimeout time.Duration
doneCh chan struct{}
@ -302,7 +326,7 @@ func (lb *lbBalancer) fallbackToBackendsAfter(fallbackTimeout time.Duration) {
return
}
lb.fallbackTimerExpired = true
lb.refreshSubConns(lb.resolvedBackendAddrs)
lb.refreshSubConns(lb.resolvedBackendAddrs, false)
lb.mu.Unlock()
}
@ -349,7 +373,7 @@ func (lb *lbBalancer) HandleResolvedAddrs(addrs []resolver.Address, err error) {
// This means we received a new list of resolved backends, and we are
// still in fallback mode. Need to update the list of backends we are
// using to the new list of backends.
lb.refreshSubConns(lb.resolvedBackendAddrs)
lb.refreshSubConns(lb.resolvedBackendAddrs, false)
}
lb.mu.Unlock()
}

View File

@ -80,7 +80,7 @@ func (lb *lbBalancer) processServerList(l *lbpb.ServerList) {
}
// Call refreshSubConns to create/remove SubConns.
lb.refreshSubConns(backendAddrs)
lb.refreshSubConns(backendAddrs, true)
// Regenerate and update picker no matter if there's update on backends (if
// any SubConn will be newed/removed). Because since the full serverList was
// different, there might be updates in drops or pick weights(different
@ -96,7 +96,12 @@ func (lb *lbBalancer) processServerList(l *lbpb.ServerList) {
// indicating whether the backendAddrs are different from the cached
// backendAddrs (whether any SubConn was newed/removed).
// Caller must hold lb.mu.
func (lb *lbBalancer) refreshSubConns(backendAddrs []resolver.Address) bool {
func (lb *lbBalancer) refreshSubConns(backendAddrs []resolver.Address, fromGRPCLBServer bool) bool {
opts := balancer.NewSubConnOptions{}
if fromGRPCLBServer {
opts.CredsBundle = lb.grpclbBackendCreds
}
lb.backendAddrs = nil
var backendsUpdated bool
// addrsSet is the set converted from backendAddrs, it's used to quick
@ -113,7 +118,7 @@ func (lb *lbBalancer) refreshSubConns(backendAddrs []resolver.Address) bool {
backendsUpdated = true
// Use addrWithMD to create the SubConn.
sc, err := lb.cc.NewSubConn([]resolver.Address{addr}, balancer.NewSubConnOptions{})
sc, err := lb.cc.NewSubConn([]resolver.Address{addr}, opts)
if err != nil {
grpclog.Warningf("roundrobinBalancer: failed to create new SubConn: %v", err)
continue
@ -236,7 +241,7 @@ func (lb *lbBalancer) watchRemoteBalancer() {
if err == errServerTerminatedConnection {
grpclog.Info(err)
} else {
grpclog.Error(err)
grpclog.Warning(err)
}
}
}
@ -266,6 +271,8 @@ func (lb *lbBalancer) dialRemoteLB(remoteLBName string) {
grpclog.Warningf("grpclb: failed to override the server name in the credentials: %v, using Insecure", err)
dopts = append(dopts, grpc.WithInsecure())
}
} else if bundle := lb.grpclbClientConnCreds; bundle != nil {
dopts = append(dopts, grpc.WithCredentialsBundle(bundle))
} else {
dopts = append(dopts, grpc.WithInsecure())
}
@ -283,9 +290,12 @@ func (lb *lbBalancer) dialRemoteLB(remoteLBName string) {
dopts = append(dopts, grpc.WithChannelzParentID(lb.opt.ChannelzParentID))
}
// DialContext using manualResolver.Scheme, which is a random scheme generated
// when init grpclb. The target name is not important.
cc, err := grpc.DialContext(context.Background(), "grpclb:///grpclb.server", dopts...)
// DialContext using manualResolver.Scheme, which is a random scheme
// generated when init grpclb. The target scheme here is not important.
//
// The grpc dial target will be used by the creds (ALTS) as the authority,
// so it has to be set to remoteLBName that comes from resolver.
cc, err := grpc.DialContext(context.Background(), remoteLBName, dopts...)
if err != nil {
grpclog.Fatalf("failed to dial: %v", err)
}

View File

@ -125,13 +125,13 @@ func fakeNameDialer(addr string, timeout time.Duration) (net.Conn, error) {
// merge merges the new client stats into current stats.
//
// It's a test-only method. rpcStats is defined in grpclb_picker.
func (s *rpcStats) merge(new *lbpb.ClientStats) {
atomic.AddInt64(&s.numCallsStarted, new.NumCallsStarted)
atomic.AddInt64(&s.numCallsFinished, new.NumCallsFinished)
atomic.AddInt64(&s.numCallsFinishedWithClientFailedToSend, new.NumCallsFinishedWithClientFailedToSend)
atomic.AddInt64(&s.numCallsFinishedKnownReceived, new.NumCallsFinishedKnownReceived)
func (s *rpcStats) merge(cs *lbpb.ClientStats) {
atomic.AddInt64(&s.numCallsStarted, cs.NumCallsStarted)
atomic.AddInt64(&s.numCallsFinished, cs.NumCallsFinished)
atomic.AddInt64(&s.numCallsFinishedWithClientFailedToSend, cs.NumCallsFinishedWithClientFailedToSend)
atomic.AddInt64(&s.numCallsFinishedKnownReceived, cs.NumCallsFinishedKnownReceived)
s.mu.Lock()
for _, perToken := range new.CallsFinishedWithDrop {
for _, perToken := range cs.CallsFinishedWithDrop {
s.numCallsDropped[perToken.LoadBalanceToken] += perToken.NumCalls
}
s.mu.Unlock()
@ -156,24 +156,24 @@ func atomicEqual(a, b *int64) bool {
// equal compares two rpcStats.
//
// It's a test-only method. rpcStats is defined in grpclb_picker.
func (s *rpcStats) equal(new *rpcStats) bool {
if !atomicEqual(&s.numCallsStarted, &new.numCallsStarted) {
func (s *rpcStats) equal(o *rpcStats) bool {
if !atomicEqual(&s.numCallsStarted, &o.numCallsStarted) {
return false
}
if !atomicEqual(&s.numCallsFinished, &new.numCallsFinished) {
if !atomicEqual(&s.numCallsFinished, &o.numCallsFinished) {
return false
}
if !atomicEqual(&s.numCallsFinishedWithClientFailedToSend, &new.numCallsFinishedWithClientFailedToSend) {
if !atomicEqual(&s.numCallsFinishedWithClientFailedToSend, &o.numCallsFinishedWithClientFailedToSend) {
return false
}
if !atomicEqual(&s.numCallsFinishedKnownReceived, &new.numCallsFinishedKnownReceived) {
if !atomicEqual(&s.numCallsFinishedKnownReceived, &o.numCallsFinishedKnownReceived) {
return false
}
s.mu.Lock()
defer s.mu.Unlock()
new.mu.Lock()
defer new.mu.Unlock()
if !mapsEqual(s.numCallsDropped, new.numCallsDropped) {
o.mu.Lock()
defer o.mu.Unlock()
if !mapsEqual(s.numCallsDropped, o.numCallsDropped) {
return false
}
return true