diff options
Diffstat (limited to 'vendor/google.golang.org/grpc')
28 files changed, 674 insertions, 340 deletions
diff --git a/vendor/google.golang.org/grpc/attributes/attributes.go b/vendor/google.golang.org/grpc/attributes/attributes.go index 3220d87be..6ff2792ee 100644 --- a/vendor/google.golang.org/grpc/attributes/attributes.go +++ b/vendor/google.golang.org/grpc/attributes/attributes.go @@ -25,55 +25,75 @@ // later release. package attributes -import "fmt" - // Attributes is an immutable struct for storing and retrieving generic // key/value pairs. Keys must be hashable, and users should define their own -// types for keys. +// types for keys. Values should not be modified after they are added to an +// Attributes or if they were received from one. If values implement 'Equal(o +// interface{}) bool', it will be called by (*Attributes).Equal to determine +// whether two values with the same key should be considered equal. type Attributes struct { m map[interface{}]interface{} } -// New returns a new Attributes containing all key/value pairs in kvs. If the -// same key appears multiple times, the last value overwrites all previous -// values for that key. Panics if len(kvs) is not even. -func New(kvs ...interface{}) *Attributes { - if len(kvs)%2 != 0 { - panic(fmt.Sprintf("attributes.New called with unexpected input: len(kvs) = %v", len(kvs))) - } - a := &Attributes{m: make(map[interface{}]interface{}, len(kvs)/2)} - for i := 0; i < len(kvs)/2; i++ { - a.m[kvs[i*2]] = kvs[i*2+1] - } - return a +// New returns a new Attributes containing the key/value pair. +func New(key, value interface{}) *Attributes { + return &Attributes{m: map[interface{}]interface{}{key: value}} } -// WithValues returns a new Attributes containing all key/value pairs in a and -// kvs. Panics if len(kvs) is not even. If the same key appears multiple -// times, the last value overwrites all previous values for that key. To -// remove an existing key, use a nil value. -func (a *Attributes) WithValues(kvs ...interface{}) *Attributes { +// WithValue returns a new Attributes containing the previous keys and values +// and the new key/value pair. If the same key appears multiple times, the +// last value overwrites all previous values for that key. To remove an +// existing key, use a nil value. value should not be modified later. +func (a *Attributes) WithValue(key, value interface{}) *Attributes { if a == nil { - return New(kvs...) + return New(key, value) } - if len(kvs)%2 != 0 { - panic(fmt.Sprintf("attributes.New called with unexpected input: len(kvs) = %v", len(kvs))) - } - n := &Attributes{m: make(map[interface{}]interface{}, len(a.m)+len(kvs)/2)} + n := &Attributes{m: make(map[interface{}]interface{}, len(a.m)+1)} for k, v := range a.m { n.m[k] = v } - for i := 0; i < len(kvs)/2; i++ { - n.m[kvs[i*2]] = kvs[i*2+1] - } + n.m[key] = value return n } // Value returns the value associated with these attributes for key, or nil if -// no value is associated with key. +// no value is associated with key. The returned value should not be modified. func (a *Attributes) Value(key interface{}) interface{} { if a == nil { return nil } return a.m[key] } + +// Equal returns whether a and o are equivalent. If 'Equal(o interface{}) +// bool' is implemented for a value in the attributes, it is called to +// determine if the value matches the one stored in the other attributes. If +// Equal is not implemented, standard equality is used to determine if the two +// values are equal. +func (a *Attributes) Equal(o *Attributes) bool { + if a == nil && o == nil { + return true + } + if a == nil || o == nil { + return false + } + if len(a.m) != len(o.m) { + return false + } + for k, v := range a.m { + ov, ok := o.m[k] + if !ok { + // o missing element of a + return false + } + if eq, ok := v.(interface{ Equal(o interface{}) bool }); ok { + if !eq.Equal(ov) { + return false + } + } else if v != ov { + // Fallback to a standard equality check if Value is unimplemented. + return false + } + } + return true +} diff --git a/vendor/google.golang.org/grpc/balancer/base/balancer.go b/vendor/google.golang.org/grpc/balancer/base/balancer.go index 8dd504299..a67074a3a 100644 --- a/vendor/google.golang.org/grpc/balancer/base/balancer.go +++ b/vendor/google.golang.org/grpc/balancer/base/balancer.go @@ -22,7 +22,6 @@ import ( "errors" "fmt" - "google.golang.org/grpc/attributes" "google.golang.org/grpc/balancer" "google.golang.org/grpc/connectivity" "google.golang.org/grpc/grpclog" @@ -42,7 +41,7 @@ func (bb *baseBuilder) Build(cc balancer.ClientConn, opt balancer.BuildOptions) cc: cc, pickerBuilder: bb.pickerBuilder, - subConns: make(map[resolver.Address]subConnInfo), + subConns: resolver.NewAddressMap(), scStates: make(map[balancer.SubConn]connectivity.State), csEvltr: &balancer.ConnectivityStateEvaluator{}, config: bb.config, @@ -58,11 +57,6 @@ func (bb *baseBuilder) Name() string { return bb.name } -type subConnInfo struct { - subConn balancer.SubConn - attrs *attributes.Attributes -} - type baseBalancer struct { cc balancer.ClientConn pickerBuilder PickerBuilder @@ -70,7 +64,7 @@ type baseBalancer struct { csEvltr *balancer.ConnectivityStateEvaluator state connectivity.State - subConns map[resolver.Address]subConnInfo // `attributes` is stripped from the keys of this map (the addresses) + subConns *resolver.AddressMap scStates map[balancer.SubConn]connectivity.State picker balancer.Picker config Config @@ -81,7 +75,7 @@ type baseBalancer struct { func (b *baseBalancer) ResolverError(err error) { b.resolverErr = err - if len(b.subConns) == 0 { + if b.subConns.Len() == 0 { b.state = connectivity.TransientFailure } @@ -105,53 +99,29 @@ func (b *baseBalancer) UpdateClientConnState(s balancer.ClientConnState) error { // Successful resolution; clear resolver error and ensure we return nil. b.resolverErr = nil // addrsSet is the set converted from addrs, it's used for quick lookup of an address. - addrsSet := make(map[resolver.Address]struct{}) + addrsSet := resolver.NewAddressMap() for _, a := range s.ResolverState.Addresses { - // Strip attributes from addresses before using them as map keys. So - // that when two addresses only differ in attributes pointers (but with - // the same attribute content), they are considered the same address. - // - // Note that this doesn't handle the case where the attribute content is - // different. So if users want to set different attributes to create - // duplicate connections to the same backend, it doesn't work. This is - // fine for now, because duplicate is done by setting Metadata today. - // - // TODO: read attributes to handle duplicate connections. - aNoAttrs := a - aNoAttrs.Attributes = nil - addrsSet[aNoAttrs] = struct{}{} - if scInfo, ok := b.subConns[aNoAttrs]; !ok { + addrsSet.Set(a, nil) + if _, ok := b.subConns.Get(a); !ok { // a is a new address (not existing in b.subConns). - // - // When creating SubConn, the original address with attributes is - // passed through. So that connection configurations in attributes - // (like creds) will be used. sc, err := b.cc.NewSubConn([]resolver.Address{a}, balancer.NewSubConnOptions{HealthCheckEnabled: b.config.HealthCheck}) if err != nil { logger.Warningf("base.baseBalancer: failed to create new SubConn: %v", err) continue } - b.subConns[aNoAttrs] = subConnInfo{subConn: sc, attrs: a.Attributes} + b.subConns.Set(a, sc) b.scStates[sc] = connectivity.Idle b.csEvltr.RecordTransition(connectivity.Shutdown, connectivity.Idle) sc.Connect() - } else { - // Always update the subconn's address in case the attributes - // changed. - // - // The SubConn does a reflect.DeepEqual of the new and old - // addresses. So this is a noop if the current address is the same - // as the old one (including attributes). - scInfo.attrs = a.Attributes - b.subConns[aNoAttrs] = scInfo - b.cc.UpdateAddresses(scInfo.subConn, []resolver.Address{a}) } } - for a, scInfo := range b.subConns { + for _, a := range b.subConns.Keys() { + sci, _ := b.subConns.Get(a) + sc := sci.(balancer.SubConn) // a was removed by resolver. - if _, ok := addrsSet[a]; !ok { - b.cc.RemoveSubConn(scInfo.subConn) - delete(b.subConns, a) + if _, ok := addrsSet.Get(a); !ok { + b.cc.RemoveSubConn(sc) + b.subConns.Delete(a) // Keep the state of this sc in b.scStates until sc's state becomes Shutdown. // The entry will be deleted in UpdateSubConnState. } @@ -193,10 +163,11 @@ func (b *baseBalancer) regeneratePicker() { readySCs := make(map[balancer.SubConn]SubConnInfo) // Filter out all ready SCs from full subConn map. - for addr, scInfo := range b.subConns { - if st, ok := b.scStates[scInfo.subConn]; ok && st == connectivity.Ready { - addr.Attributes = scInfo.attrs - readySCs[scInfo.subConn] = SubConnInfo{Address: addr} + for _, addr := range b.subConns.Keys() { + sci, _ := b.subConns.Get(addr) + sc := sci.(balancer.SubConn) + if st, ok := b.scStates[sc]; ok && st == connectivity.Ready { + readySCs[sc] = SubConnInfo{Address: addr} } } b.picker = b.pickerBuilder.Build(PickerBuildInfo{ReadySCs: readySCs}) diff --git a/vendor/google.golang.org/grpc/balancer/grpclb/state/state.go b/vendor/google.golang.org/grpc/balancer/grpclb/state/state.go index a24264a34..4ecfa1c21 100644 --- a/vendor/google.golang.org/grpc/balancer/grpclb/state/state.go +++ b/vendor/google.golang.org/grpc/balancer/grpclb/state/state.go @@ -39,7 +39,7 @@ type State struct { // Set returns a copy of the provided state with attributes containing s. s's // data should not be mutated after calling Set. func Set(state resolver.State, s *State) resolver.State { - state.Attributes = state.Attributes.WithValues(key, s) + state.Attributes = state.Attributes.WithValue(key, s) return state } diff --git a/vendor/google.golang.org/grpc/clientconn.go b/vendor/google.golang.org/grpc/clientconn.go index 34cc4c948..5a9e7d754 100644 --- a/vendor/google.golang.org/grpc/clientconn.go +++ b/vendor/google.golang.org/grpc/clientconn.go @@ -23,6 +23,7 @@ import ( "errors" "fmt" "math" + "net/url" "reflect" "strings" "sync" @@ -37,7 +38,6 @@ import ( "google.golang.org/grpc/internal/backoff" "google.golang.org/grpc/internal/channelz" "google.golang.org/grpc/internal/grpcsync" - "google.golang.org/grpc/internal/grpcutil" iresolver "google.golang.org/grpc/internal/resolver" "google.golang.org/grpc/internal/transport" "google.golang.org/grpc/keepalive" @@ -248,38 +248,15 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn * } // Determine the resolver to use. - cc.parsedTarget = grpcutil.ParseTarget(cc.target, cc.dopts.copts.Dialer != nil) - channelz.Infof(logger, cc.channelzID, "parsed scheme: %q", cc.parsedTarget.Scheme) - resolverBuilder := cc.getResolver(cc.parsedTarget.Scheme) - if resolverBuilder == nil { - // If resolver builder is still nil, the parsed target's scheme is - // not registered. Fallback to default resolver and set Endpoint to - // the original target. - channelz.Infof(logger, cc.channelzID, "scheme %q not registered, fallback to default scheme", cc.parsedTarget.Scheme) - cc.parsedTarget = resolver.Target{ - Scheme: resolver.GetDefaultScheme(), - Endpoint: target, - } - resolverBuilder = cc.getResolver(cc.parsedTarget.Scheme) - if resolverBuilder == nil { - return nil, fmt.Errorf("could not get resolver for default scheme: %q", cc.parsedTarget.Scheme) - } + resolverBuilder, err := cc.parseTargetAndFindResolver() + if err != nil { + return nil, err } - - creds := cc.dopts.copts.TransportCredentials - if creds != nil && creds.Info().ServerName != "" { - cc.authority = creds.Info().ServerName - } else if cc.dopts.insecure && cc.dopts.authority != "" { - cc.authority = cc.dopts.authority - } else if strings.HasPrefix(cc.target, "unix:") || strings.HasPrefix(cc.target, "unix-abstract:") { - cc.authority = "localhost" - } else if strings.HasPrefix(cc.parsedTarget.Endpoint, ":") { - cc.authority = "localhost" + cc.parsedTarget.Endpoint - } else { - // Use endpoint from "scheme://authority/endpoint" as the default - // authority for ClientConn. - cc.authority = cc.parsedTarget.Endpoint + cc.authority, err = determineAuthority(cc.parsedTarget.Endpoint, cc.target, cc.dopts) + if err != nil { + return nil, err } + channelz.Infof(logger, cc.channelzID, "Channel authority set to %q", cc.authority) if cc.dopts.scChan != nil && !scSet { // Blocking wait for the initial service config. @@ -902,10 +879,7 @@ func (ac *addrConn) tryUpdateAddrs(addrs []resolver.Address) bool { // ac.state is Ready, try to find the connected address. var curAddrFound bool for _, a := range addrs { - // a.ServerName takes precedent over ClientConn authority, if present. - if a.ServerName == "" { - a.ServerName = ac.cc.authority - } + a.ServerName = ac.cc.getServerName(a) if reflect.DeepEqual(ac.curAddr, a) { curAddrFound = true break @@ -919,6 +893,26 @@ func (ac *addrConn) tryUpdateAddrs(addrs []resolver.Address) bool { return curAddrFound } +// getServerName determines the serverName to be used in the connection +// handshake. The default value for the serverName is the authority on the +// ClientConn, which either comes from the user's dial target or through an +// authority override specified using the WithAuthority dial option. Name +// resolvers can specify a per-address override for the serverName through the +// resolver.Address.ServerName field which is used only if the WithAuthority +// dial option was not used. The rationale is that per-address authority +// overrides specified by the name resolver can represent a security risk, while +// an override specified by the user is more dependable since they probably know +// what they are doing. +func (cc *ClientConn) getServerName(addr resolver.Address) string { + if cc.dopts.authority != "" { + return cc.dopts.authority + } + if addr.ServerName != "" { + return addr.ServerName + } + return cc.authority +} + func getMethodConfig(sc *ServiceConfig, method string) MethodConfig { if sc == nil { return MethodConfig{} @@ -1275,11 +1269,7 @@ func (ac *addrConn) createTransport(addr resolver.Address, copts transport.Conne prefaceReceived := grpcsync.NewEvent() connClosed := grpcsync.NewEvent() - // addr.ServerName takes precedent over ClientConn authority, if present. - if addr.ServerName == "" { - addr.ServerName = ac.cc.authority - } - + addr.ServerName = ac.cc.getServerName(addr) hctx, hcancel := context.WithCancel(ac.ctx) hcStarted := false // protected by ac.mu @@ -1621,3 +1611,114 @@ func (cc *ClientConn) connectionError() error { defer cc.lceMu.Unlock() return cc.lastConnectionError } + +func (cc *ClientConn) parseTargetAndFindResolver() (resolver.Builder, error) { + channelz.Infof(logger, cc.channelzID, "original dial target is: %q", cc.target) + + var rb resolver.Builder + parsedTarget, err := parseTarget(cc.target) + if err != nil { + channelz.Infof(logger, cc.channelzID, "dial target %q parse failed: %v", cc.target, err) + } else { + channelz.Infof(logger, cc.channelzID, "parsed dial target is: %+v", parsedTarget) + rb = cc.getResolver(parsedTarget.Scheme) + if rb != nil { + cc.parsedTarget = parsedTarget + return rb, nil + } + } + + // We are here because the user's dial target did not contain a scheme or + // specified an unregistered scheme. We should fallback to the default + // scheme, except when a custom dialer is specified in which case, we should + // always use passthrough scheme. + defScheme := resolver.GetDefaultScheme() + channelz.Infof(logger, cc.channelzID, "fallback to scheme %q", defScheme) + canonicalTarget := defScheme + ":///" + cc.target + + parsedTarget, err = parseTarget(canonicalTarget) + if err != nil { + channelz.Infof(logger, cc.channelzID, "dial target %q parse failed: %v", canonicalTarget, err) + return nil, err + } + channelz.Infof(logger, cc.channelzID, "parsed dial target is: %+v", parsedTarget) + rb = cc.getResolver(parsedTarget.Scheme) + if rb == nil { + return nil, fmt.Errorf("could not get resolver for default scheme: %q", parsedTarget.Scheme) + } + cc.parsedTarget = parsedTarget + return rb, nil +} + +// parseTarget uses RFC 3986 semantics to parse the given target into a +// resolver.Target struct containing scheme, authority and endpoint. Query +// params are stripped from the endpoint. +func parseTarget(target string) (resolver.Target, error) { + u, err := url.Parse(target) + if err != nil { + return resolver.Target{}, err + } + // For targets of the form "[scheme]://[authority]/endpoint, the endpoint + // value returned from url.Parse() contains a leading "/". Although this is + // in accordance with RFC 3986, we do not want to break existing resolver + // implementations which expect the endpoint without the leading "/". So, we + // end up stripping the leading "/" here. But this will result in an + // incorrect parsing for something like "unix:///path/to/socket". Since we + // own the "unix" resolver, we can workaround in the unix resolver by using + // the `URL` field instead of the `Endpoint` field. + endpoint := u.Path + if endpoint == "" { + endpoint = u.Opaque + } + endpoint = strings.TrimPrefix(endpoint, "/") + return resolver.Target{ + Scheme: u.Scheme, + Authority: u.Host, + Endpoint: endpoint, + URL: *u, + }, nil +} + +// Determine channel authority. The order of precedence is as follows: +// - user specified authority override using `WithAuthority` dial option +// - creds' notion of server name for the authentication handshake +// - endpoint from dial target of the form "scheme://[authority]/endpoint" +func determineAuthority(endpoint, target string, dopts dialOptions) (string, error) { + // Historically, we had two options for users to specify the serverName or + // authority for a channel. One was through the transport credentials + // (either in its constructor, or through the OverrideServerName() method). + // The other option (for cases where WithInsecure() dial option was used) + // was to use the WithAuthority() dial option. + // + // A few things have changed since: + // - `insecure` package with an implementation of the `TransportCredentials` + // interface for the insecure case + // - WithAuthority() dial option support for secure credentials + authorityFromCreds := "" + if creds := dopts.copts.TransportCredentials; creds != nil && creds.Info().ServerName != "" { + authorityFromCreds = creds.Info().ServerName + } + authorityFromDialOption := dopts.authority + if (authorityFromCreds != "" && authorityFromDialOption != "") && authorityFromCreds != authorityFromDialOption { + return "", fmt.Errorf("ClientConn's authority from transport creds %q and dial option %q don't match", authorityFromCreds, authorityFromDialOption) + } + + switch { + case authorityFromDialOption != "": + return authorityFromDialOption, nil + case authorityFromCreds != "": + return authorityFromCreds, nil + case strings.HasPrefix(target, "unix:") || strings.HasPrefix(target, "unix-abstract:"): + // TODO: remove when the unix resolver implements optional interface to + // return channel authority. + return "localhost", nil + case strings.HasPrefix(endpoint, ":"): + return "localhost" + endpoint, nil + default: + // TODO: Define an optional interface on the resolver builder to return + // the channel authority given the user's dial target. For resolvers + // which don't implement this interface, we will use the endpoint from + // "scheme://authority/endpoint" as the default authority. + return endpoint, nil + } +} diff --git a/vendor/google.golang.org/grpc/credentials/credentials.go b/vendor/google.golang.org/grpc/credentials/credentials.go index 7eee7e4ec..a67110758 100644 --- a/vendor/google.golang.org/grpc/credentials/credentials.go +++ b/vendor/google.golang.org/grpc/credentials/credentials.go @@ -140,6 +140,11 @@ type TransportCredentials interface { // Additionally, ClientHandshakeInfo data will be available via the context // passed to this call. // + // The second argument to this method is the `:authority` header value used + // while creating new streams on this connection after authentication + // succeeds. Implementations must use this as the server name during the + // authentication handshake. + // // If the returned net.Conn is closed, it MUST close the net.Conn provided. ClientHandshake(context.Context, string, net.Conn) (net.Conn, AuthInfo, error) // ServerHandshake does the authentication handshake for servers. It returns @@ -153,9 +158,13 @@ type TransportCredentials interface { Info() ProtocolInfo // Clone makes a copy of this TransportCredentials. Clone() TransportCredentials - // OverrideServerName overrides the server name used to verify the hostname on the returned certificates from the server. - // gRPC internals also use it to override the virtual hosting name if it is set. - // It must be called before dialing. Currently, this is only used by grpclb. + // OverrideServerName specifies the value used for the following: + // - verifying the hostname on the returned certificates + // - as SNI in the client's handshake to support virtual hosting + // - as the value for `:authority` header at stream creation time + // + // Deprecated: use grpc.WithAuthority instead. Will be supported + // throughout 1.x. OverrideServerName(string) error } diff --git a/vendor/google.golang.org/grpc/dialoptions.go b/vendor/google.golang.org/grpc/dialoptions.go index 7a497237b..40d8ba659 100644 --- a/vendor/google.golang.org/grpc/dialoptions.go +++ b/vendor/google.golang.org/grpc/dialoptions.go @@ -482,8 +482,7 @@ func WithChainStreamInterceptor(interceptors ...StreamClientInterceptor) DialOpt } // WithAuthority returns a DialOption that specifies the value to be used as the -// :authority pseudo-header. This value only works with WithInsecure and has no -// effect if TransportCredentials are present. +// :authority pseudo-header and as the server name in authentication handshake. func WithAuthority(a string) DialOption { return newFuncDialOption(func(o *dialOptions) { o.authority = a @@ -519,14 +518,16 @@ func WithDisableServiceConfig() DialOption { // WithDefaultServiceConfig returns a DialOption that configures the default // service config, which will be used in cases where: // -// 1. WithDisableServiceConfig is also used. -// 2. Resolver does not return a service config or if the resolver returns an -// invalid service config. +// 1. WithDisableServiceConfig is also used, or // -// Experimental +// 2. The name resolver does not provide a service config or provides an +// invalid service config. // -// Notice: This API is EXPERIMENTAL and may be changed or removed in a -// later release. +// The parameter s is the JSON representation of the default service config. +// For more information about service configs, see: +// https://github.com/grpc/grpc/blob/master/doc/service_config.md +// For a simple example of usage, see: +// examples/features/load_balancing/client/main.go func WithDefaultServiceConfig(s string) DialOption { return newFuncDialOption(func(o *dialOptions) { o.defaultServiceConfigRawJSON = &s @@ -538,14 +539,8 @@ func WithDefaultServiceConfig(s string) DialOption { // will happen automatically if no data is written to the wire or if the RPC is // unprocessed by the remote server. // -// Retry support is currently disabled by default, but will be enabled by -// default in the future. Until then, it may be enabled by setting the -// environment variable "GRPC_GO_RETRY" to "on". -// -// Experimental -// -// Notice: This API is EXPERIMENTAL and may be changed or removed in a -// later release. +// Retry support is currently enabled by default, but may be disabled by +// setting the environment variable "GRPC_GO_RETRY" to "off". func WithDisableRetry() DialOption { return newFuncDialOption(func(o *dialOptions) { o.disableRetry = true diff --git a/vendor/google.golang.org/grpc/go.mod b/vendor/google.golang.org/grpc/go.mod index 022cc9828..fcffdceef 100644 --- a/vendor/google.golang.org/grpc/go.mod +++ b/vendor/google.golang.org/grpc/go.mod @@ -4,7 +4,8 @@ go 1.14 require ( github.com/cespare/xxhash/v2 v2.1.1 - github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403 + github.com/cncf/udpa/go v0.0.0-20210930031921-04548b0d99d4 + github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1 github.com/envoyproxy/go-control-plane v0.9.10-0.20210907150352-cf90f659a021 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b github.com/golang/protobuf v1.4.3 diff --git a/vendor/google.golang.org/grpc/go.sum b/vendor/google.golang.org/grpc/go.sum index 6e7ae0db2..8b542e0be 100644 --- a/vendor/google.golang.org/grpc/go.sum +++ b/vendor/google.golang.org/grpc/go.sum @@ -9,10 +9,13 @@ github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+ github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc= -github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403 h1:cqQfy1jclcSy/FwLjemeg3SR1yaINm74aQyupQ0Bl8M= github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk= -github.com/cncf/xds/go v0.0.0-20210805033703-aa0b78936158 h1:CevA8fI91PAnP8vpnXuB8ZYAZ5wqY86nAbxfgK8tWO4= +github.com/cncf/udpa/go v0.0.0-20210930031921-04548b0d99d4 h1:hzAQntlaYRkVSFEfj9OTWlVV1H155FMD8BTKktLv0QI= +github.com/cncf/udpa/go v0.0.0-20210930031921-04548b0d99d4/go.mod h1:6pvJx4me5XPnfI9Z40ddWsdw2W/uZgQLFXToKeRcDiI= github.com/cncf/xds/go v0.0.0-20210805033703-aa0b78936158/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs= +github.com/cncf/xds/go v0.0.0-20210922020428-25de7278fc84/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs= +github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1 h1:zH8ljVhhq7yC0MIeUL/IviMtY8hx2mK8cN9wEYb8ggw= +github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs= github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= diff --git a/vendor/google.golang.org/grpc/grpclog/loggerv2.go b/vendor/google.golang.org/grpc/grpclog/loggerv2.go index 4ee33171e..34098bb8e 100644 --- a/vendor/google.golang.org/grpc/grpclog/loggerv2.go +++ b/vendor/google.golang.org/grpc/grpclog/loggerv2.go @@ -19,11 +19,14 @@ package grpclog import ( + "encoding/json" + "fmt" "io" "io/ioutil" "log" "os" "strconv" + "strings" "google.golang.org/grpc/internal/grpclog" ) @@ -95,8 +98,9 @@ var severityName = []string{ // loggerT is the default logger used by grpclog. type loggerT struct { - m []*log.Logger - v int + m []*log.Logger + v int + jsonFormat bool } // NewLoggerV2 creates a loggerV2 with the provided writers. @@ -105,19 +109,32 @@ type loggerT struct { // Warning logs will be written to warningW and infoW. // Info logs will be written to infoW. func NewLoggerV2(infoW, warningW, errorW io.Writer) LoggerV2 { - return NewLoggerV2WithVerbosity(infoW, warningW, errorW, 0) + return newLoggerV2WithConfig(infoW, warningW, errorW, loggerV2Config{}) } // NewLoggerV2WithVerbosity creates a loggerV2 with the provided writers and // verbosity level. func NewLoggerV2WithVerbosity(infoW, warningW, errorW io.Writer, v int) LoggerV2 { + return newLoggerV2WithConfig(infoW, warningW, errorW, loggerV2Config{verbose: v}) +} + +type loggerV2Config struct { + verbose int + jsonFormat bool +} + +func newLoggerV2WithConfig(infoW, warningW, errorW io.Writer, c loggerV2Config) LoggerV2 { var m []*log.Logger - m = append(m, log.New(infoW, severityName[infoLog]+": ", log.LstdFlags)) - m = append(m, log.New(io.MultiWriter(infoW, warningW), severityName[warningLog]+": ", log.LstdFlags)) + flag := log.LstdFlags + if c.jsonFormat { + flag = 0 + } + m = append(m, log.New(infoW, "", flag)) + m = append(m, log.New(io.MultiWriter(infoW, warningW), "", flag)) ew := io.MultiWriter(infoW, warningW, errorW) // ew will be used for error and fatal. - m = append(m, log.New(ew, severityName[errorLog]+": ", log.LstdFlags)) - m = append(m, log.New(ew, severityName[fatalLog]+": ", log.LstdFlags)) - return &loggerT{m: m, v: v} + m = append(m, log.New(ew, "", flag)) + m = append(m, log.New(ew, "", flag)) + return &loggerT{m: m, v: c.verbose, jsonFormat: c.jsonFormat} } // newLoggerV2 creates a loggerV2 to be used as default logger. @@ -142,58 +159,79 @@ func newLoggerV2() LoggerV2 { if vl, err := strconv.Atoi(vLevel); err == nil { v = vl } - return NewLoggerV2WithVerbosity(infoW, warningW, errorW, v) + + jsonFormat := strings.EqualFold(os.Getenv("GRPC_GO_LOG_FORMATTER"), "json") + + return newLoggerV2WithConfig(infoW, warningW, errorW, loggerV2Config{ + verbose: v, + jsonFormat: jsonFormat, + }) +} + +func (g *loggerT) output(severity int, s string) { + sevStr := severityName[severity] + if !g.jsonFormat { + g.m[severity].Output(2, fmt.Sprintf("%v: %v", sevStr, s)) + return + } + // TODO: we can also include the logging component, but that needs more + // (API) changes. + b, _ := json.Marshal(map[string]string{ + "severity": sevStr, + "message": s, + }) + g.m[severity].Output(2, string(b)) } func (g *loggerT) Info(args ...interface{}) { - g.m[infoLog].Print(args...) + g.output(infoLog, fmt.Sprint(args...)) } func (g *loggerT) Infoln(args ...interface{}) { - g.m[infoLog].Println(args...) + g.output(infoLog, fmt.Sprintln(args...)) } func (g *loggerT) Infof(format string, args ...interface{}) { - g.m[infoLog].Printf(format, args...) + g.output(infoLog, fmt.Sprintf(format, args...)) } func (g *loggerT) Warning(args ...interface{}) { - g.m[warningLog].Print(args...) + g.output(warningLog, fmt.Sprint(args...)) } func (g *loggerT) Warningln(args ...interface{}) { - g.m[warningLog].Println(args...) + g.output(warningLog, fmt.Sprintln(args...)) } func (g *loggerT) Warningf(format string, args ...interface{}) { - g.m[warningLog].Printf(format, args...) + g.output(warningLog, fmt.Sprintf(format, args...)) } func (g *loggerT) Error(args ...interface{}) { - g.m[errorLog].Print(args...) + g.output(errorLog, fmt.Sprint(args...)) } func (g *loggerT) Errorln(args ...interface{}) { - g.m[errorLog].Println(args...) + g.output(errorLog, fmt.Sprintln(args...)) } func (g *loggerT) Errorf(format string, args ...interface{}) { - g.m[errorLog].Printf(format, args...) + g.output(errorLog, fmt.Sprintf(format, args...)) } func (g *loggerT) Fatal(args ...interface{}) { - g.m[fatalLog].Fatal(args...) - // No need to call os.Exit() again because log.Logger.Fatal() calls os.Exit(). + g.output(fatalLog, fmt.Sprint(args...)) + os.Exit(1) } func (g *loggerT) Fatalln(args ...interface{}) { - g.m[fatalLog].Fatalln(args...) - // No need to call os.Exit() again because log.Logger.Fatal() calls os.Exit(). + g.output(fatalLog, fmt.Sprintln(args...)) + os.Exit(1) } func (g *loggerT) Fatalf(format string, args ...interface{}) { - g.m[fatalLog].Fatalf(format, args...) - // No need to call os.Exit() again because log.Logger.Fatal() calls os.Exit(). + g.output(fatalLog, fmt.Sprintf(format, args...)) + os.Exit(1) } func (g *loggerT) V(l int) bool { diff --git a/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go b/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go index e766ac04a..9f25a67fc 100644 --- a/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go +++ b/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go @@ -33,8 +33,9 @@ const ( ) var ( - // Retry is set if retry is explicitly enabled via "GRPC_GO_RETRY=on" or if XDS retry support is enabled. - Retry = strings.EqualFold(os.Getenv(retryStr), "on") || xdsenv.RetrySupport + // Retry is enabled unless explicitly disabled via "GRPC_GO_RETRY=off" or + // if XDS retry support is explicitly disabled. + Retry = !strings.EqualFold(os.Getenv(retryStr), "off") && xdsenv.RetrySupport // TXTErrIgnore is set if TXT errors should be ignored ("GRPC_GO_IGNORE_TXT_ERRORS" is not "false"). TXTErrIgnore = !strings.EqualFold(os.Getenv(txtErrIgnoreStr), "false") ) diff --git a/vendor/google.golang.org/grpc/internal/grpcutil/grpcutil.go b/vendor/google.golang.org/grpc/internal/grpcutil/grpcutil.go new file mode 100644 index 000000000..e2f948e8f --- /dev/null +++ b/vendor/google.golang.org/grpc/internal/grpcutil/grpcutil.go @@ -0,0 +1,20 @@ +/* + * + * Copyright 2021 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. + * + */ + +// Package grpcutil provides utility functions used across the gRPC codebase. +package grpcutil diff --git a/vendor/google.golang.org/grpc/internal/grpcutil/regex.go b/vendor/google.golang.org/grpc/internal/grpcutil/regex.go new file mode 100644 index 000000000..2810a8ba2 --- /dev/null +++ b/vendor/google.golang.org/grpc/internal/grpcutil/regex.go @@ -0,0 +1,28 @@ +/* + * + * Copyright 2021 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. + * + */ + +package grpcutil + +import "regexp" + +// FullMatchWithRegex returns whether the full string matches the regex provided. +func FullMatchWithRegex(re *regexp.Regexp, string string) bool { + re.Longest() + rem := re.FindString(string) + return len(rem) == len(string) +} diff --git a/vendor/google.golang.org/grpc/internal/grpcutil/target.go b/vendor/google.golang.org/grpc/internal/grpcutil/target.go deleted file mode 100644 index 8833021da..000000000 --- a/vendor/google.golang.org/grpc/internal/grpcutil/target.go +++ /dev/null @@ -1,89 +0,0 @@ -/* - * - * Copyright 2020 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. - * - */ - -// Package grpcutil provides a bunch of utility functions to be used across the -// gRPC codebase. -package grpcutil - -import ( - "strings" - - "google.golang.org/grpc/resolver" -) - -// split2 returns the values from strings.SplitN(s, sep, 2). -// If sep is not found, it returns ("", "", false) instead. -func split2(s, sep string) (string, string, bool) { - spl := strings.SplitN(s, sep, 2) - if len(spl) < 2 { - return "", "", false - } - return spl[0], spl[1], true -} - -// ParseTarget splits target into a resolver.Target struct containing scheme, -// authority and endpoint. skipUnixColonParsing indicates that the parse should -// not parse "unix:[path]" cases. This should be true in cases where a custom -// dialer is present, to prevent a behavior change. -// -// If target is not a valid scheme://authority/endpoint as specified in -// https://github.com/grpc/grpc/blob/master/doc/naming.md, -// it returns {Endpoint: target}. -func ParseTarget(target string, skipUnixColonParsing bool) (ret resolver.Target) { - var ok bool - if strings.HasPrefix(target, "unix-abstract:") { - if strings.HasPrefix(target, "unix-abstract://") { - // Maybe, with Authority specified, try to parse it - var remain string - ret.Scheme, remain, _ = split2(target, "://") - ret.Authority, ret.Endpoint, ok = split2(remain, "/") - if !ok { - // No Authority, add the "//" back - ret.Endpoint = "//" + remain - } else { - // Found Authority, add the "/" back - ret.Endpoint = "/" + ret.Endpoint - } - } else { - // Without Authority specified, split target on ":" - ret.Scheme, ret.Endpoint, _ = split2(target, ":") - } - return ret - } - ret.Scheme, ret.Endpoint, ok = split2(target, "://") - if !ok { - if strings.HasPrefix(target, "unix:") && !skipUnixColonParsing { - // Handle the "unix:[local/path]" and "unix:[/absolute/path]" cases, - // because splitting on :// only handles the - // "unix://[/absolute/path]" case. Only handle if the dialer is nil, - // to avoid a behavior change with custom dialers. - return resolver.Target{Scheme: "unix", Endpoint: target[len("unix:"):]} - } - return resolver.Target{Endpoint: target} - } - ret.Authority, ret.Endpoint, ok = split2(ret.Endpoint, "/") - if !ok { - return resolver.Target{Endpoint: target} - } - if ret.Scheme == "unix" { - // Add the "/" back in the unix case, so the unix resolver receives the - // actual endpoint in the "unix://[/absolute/path]" case. - ret.Endpoint = "/" + ret.Endpoint - } - return ret -} diff --git a/vendor/google.golang.org/grpc/internal/metadata/metadata.go b/vendor/google.golang.org/grpc/internal/metadata/metadata.go index 302262613..b8733dbf3 100644 --- a/vendor/google.golang.org/grpc/internal/metadata/metadata.go +++ b/vendor/google.golang.org/grpc/internal/metadata/metadata.go @@ -30,14 +30,38 @@ type mdKeyType string const mdKey = mdKeyType("grpc.internal.address.metadata") +type mdValue metadata.MD + +func (m mdValue) Equal(o interface{}) bool { + om, ok := o.(mdValue) + if !ok { + return false + } + if len(m) != len(om) { + return false + } + for k, v := range m { + ov := om[k] + if len(ov) != len(v) { + return false + } + for i, ve := range v { + if ov[i] != ve { + return false + } + } + } + return true +} + // Get returns the metadata of addr. func Get(addr resolver.Address) metadata.MD { attrs := addr.Attributes if attrs == nil { return nil } - md, _ := attrs.Value(mdKey).(metadata.MD) - return md + md, _ := attrs.Value(mdKey).(mdValue) + return metadata.MD(md) } // Set sets (overrides) the metadata in addr. @@ -45,6 +69,6 @@ func Get(addr resolver.Address) metadata.MD { // When a SubConn is created with this address, the RPCs sent on it will all // have this metadata. func Set(addr resolver.Address, md metadata.MD) resolver.Address { - addr.Attributes = addr.Attributes.WithValues(mdKey, md) + addr.Attributes = addr.Attributes.WithValue(mdKey, mdValue(md)) return addr } diff --git a/vendor/google.golang.org/grpc/internal/resolver/config_selector.go b/vendor/google.golang.org/grpc/internal/resolver/config_selector.go index be7e13d58..c7a18a948 100644 --- a/vendor/google.golang.org/grpc/internal/resolver/config_selector.go +++ b/vendor/google.golang.org/grpc/internal/resolver/config_selector.go @@ -132,7 +132,7 @@ const csKey = csKeyType("grpc.internal.resolver.configSelector") // SetConfigSelector sets the config selector in state and returns the new // state. func SetConfigSelector(state resolver.State, cs ConfigSelector) resolver.State { - state.Attributes = state.Attributes.WithValues(csKey, cs) + state.Attributes = state.Attributes.WithValue(csKey, cs) return state } diff --git a/vendor/google.golang.org/grpc/internal/resolver/unix/unix.go b/vendor/google.golang.org/grpc/internal/resolver/unix/unix.go index 0d5a811dd..20852e59d 100644 --- a/vendor/google.golang.org/grpc/internal/resolver/unix/unix.go +++ b/vendor/google.golang.org/grpc/internal/resolver/unix/unix.go @@ -37,7 +37,17 @@ func (b *builder) Build(target resolver.Target, cc resolver.ClientConn, _ resolv if target.Authority != "" { return nil, fmt.Errorf("invalid (non-empty) authority: %v", target.Authority) } - addr := resolver.Address{Addr: target.Endpoint} + + // gRPC was parsing the dial target manually before PR #4817, and we + // switched to using url.Parse() in that PR. To avoid breaking existing + // resolver implementations we ended up stripping the leading "/" from the + // endpoint. This obviously does not work for the "unix" scheme. Hence we + // end up using the parsed URL instead. + endpoint := target.URL.Path + if endpoint == "" { + endpoint = target.URL.Opaque + } + addr := resolver.Address{Addr: endpoint} if b.scheme == unixAbstractScheme { // prepend "\x00" to address for unix-abstract addr.Addr = "\x00" + addr.Addr diff --git a/vendor/google.golang.org/grpc/internal/transport/controlbuf.go b/vendor/google.golang.org/grpc/internal/transport/controlbuf.go index 45532f8ae..8394d252d 100644 --- a/vendor/google.golang.org/grpc/internal/transport/controlbuf.go +++ b/vendor/google.golang.org/grpc/internal/transport/controlbuf.go @@ -133,6 +133,7 @@ type cleanupStream struct { func (c *cleanupStream) isTransportResponseFrame() bool { return c.rst } // Results in a RST_STREAM type earlyAbortStream struct { + httpStatus uint32 streamID uint32 contentSubtype string status *status.Status @@ -771,9 +772,12 @@ func (l *loopyWriter) earlyAbortStreamHandler(eas *earlyAbortStream) error { if l.side == clientSide { return errors.New("earlyAbortStream not handled on client") } - + // In case the caller forgets to set the http status, default to 200. + if eas.httpStatus == 0 { + eas.httpStatus = 200 + } headerFields := []hpack.HeaderField{ - {Name: ":status", Value: "200"}, + {Name: ":status", Value: strconv.Itoa(int(eas.httpStatus))}, {Name: "content-type", Value: grpcutil.ContentType(eas.contentSubtype)}, {Name: "grpc-status", Value: strconv.Itoa(int(eas.status.Code()))}, {Name: "grpc-message", Value: encodeGrpcMessage(eas.status.Message())}, diff --git a/vendor/google.golang.org/grpc/internal/transport/http2_client.go b/vendor/google.golang.org/grpc/internal/transport/http2_client.go index 755863074..2521a7d7a 100644 --- a/vendor/google.golang.org/grpc/internal/transport/http2_client.go +++ b/vendor/google.golang.org/grpc/internal/transport/http2_client.go @@ -25,6 +25,7 @@ import ( "math" "net" "net/http" + "path/filepath" "strconv" "strings" "sync" @@ -146,13 +147,20 @@ func dial(ctx context.Context, fn func(context.Context, string) (net.Conn, error address := addr.Addr networkType, ok := networktype.Get(addr) if fn != nil { + // Special handling for unix scheme with custom dialer. Back in the day, + // we did not have a unix resolver and therefore targets with a unix + // scheme would end up using the passthrough resolver. So, user's used a + // custom dialer in this case and expected the original dial target to + // be passed to the custom dialer. Now, we have a unix resolver. But if + // a custom dialer is specified, we want to retain the old behavior in + // terms of the address being passed to the custom dialer. if networkType == "unix" && !strings.HasPrefix(address, "\x00") { - // For backward compatibility, if the user dialed "unix:///path", - // the passthrough resolver would be used and the user's custom - // dialer would see "unix:///path". Since the unix resolver is used - // and the address is now "/path", prepend "unix://" so the user's - // custom dialer sees the same address. - return fn(ctx, "unix://"+address) + // Supported unix targets are either "unix://absolute-path" or + // "unix:relative-path". + if filepath.IsAbs(address) { + return fn(ctx, "unix://"+address) + } + return fn(ctx, "unix:"+address) } return fn(ctx, address) } @@ -1073,7 +1081,7 @@ func (t *http2Client) handleData(f *http2.DataFrame) { } // The server has closed the stream without sending trailers. Record that // the read direction is closed, and set the status appropriately. - if f.FrameHeader.Flags.Has(http2.FlagDataEndStream) { + if f.StreamEnded() { t.closeStream(s, io.EOF, false, http2.ErrCodeNo, status.New(codes.Internal, "server closed the stream without sending trailers"), nil, true) } } @@ -1403,26 +1411,6 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) { } isHeader := false - defer func() { - if t.statsHandler != nil { - if isHeader { - inHeader := &stats.InHeader{ - Client: true, - WireLength: int(frame.Header().Length), - Header: s.header.Copy(), - Compression: s.recvCompress, - } - t.statsHandler.HandleRPC(s.ctx, inHeader) - } else { - inTrailer := &stats.InTrailer{ - Client: true, - WireLength: int(frame.Header().Length), - Trailer: s.trailer.Copy(), - } - t.statsHandler.HandleRPC(s.ctx, inTrailer) - } - } - }() // If headerChan hasn't been closed yet if atomic.CompareAndSwapUint32(&s.headerChanClosed, 0, 1) { @@ -1444,6 +1432,25 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) { close(s.headerChan) } + if t.statsHandler != nil { + if isHeader { + inHeader := &stats.InHeader{ + Client: true, + WireLength: int(frame.Header().Length), + Header: metadata.MD(mdata).Copy(), + Compression: s.recvCompress, + } + t.statsHandler.HandleRPC(s.ctx, inHeader) + } else { + inTrailer := &stats.InTrailer{ + Client: true, + WireLength: int(frame.Header().Length), + Trailer: metadata.MD(mdata).Copy(), + } + t.statsHandler.HandleRPC(s.ctx, inTrailer) + } + } + if !endStream { return } diff --git a/vendor/google.golang.org/grpc/internal/transport/http2_server.go b/vendor/google.golang.org/grpc/internal/transport/http2_server.go index 19c13e041..f2cad9ebc 100644 --- a/vendor/google.golang.org/grpc/internal/transport/http2_server.go +++ b/vendor/google.golang.org/grpc/internal/transport/http2_server.go @@ -129,7 +129,7 @@ type http2Server struct { // options from config. // // It returns a non-nil transport and a nil error on success. On failure, it -// returns a non-nil transport and a nil-error. For a special case where the +// returns a nil transport and a non-nil error. For a special case where the // underlying conn gets closed before the client preface could be read, it // returns a nil transport and a nil error. func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport, err error) { @@ -290,10 +290,11 @@ func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport, if _, err := io.ReadFull(t.conn, preface); err != nil { // In deployments where a gRPC server runs behind a cloud load balancer // which performs regular TCP level health checks, the connection is - // closed immediately by the latter. Skipping the error here will help - // reduce log clutter. + // closed immediately by the latter. Returning io.EOF here allows the + // grpc server implementation to recognize this scenario and suppress + // logging to reduce spam. if err == io.EOF { - return nil, nil + return nil, io.EOF } return nil, connectionErrorf(false, err, "transport: http2Server.HandleStreams failed to receive the preface from client: %v", err) } @@ -390,6 +391,13 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func( if timeout, err = decodeTimeout(hf.Value); err != nil { headerError = true } + // "Transports must consider requests containing the Connection header + // as malformed." - A41 + case "connection": + if logger.V(logLevel) { + logger.Errorf("transport: http2Server.operateHeaders parsed a :connection header which makes a request malformed as per the HTTP/2 spec") + } + headerError = true default: if isReservedHeader(hf.Name) && !isWhitelistedHeader(hf.Name) { break @@ -404,6 +412,25 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func( } } + // "If multiple Host headers or multiple :authority headers are present, the + // request must be rejected with an HTTP status code 400 as required by Host + // validation in RFC 7230 ยง5.4, gRPC status code INTERNAL, or RST_STREAM + // with HTTP/2 error code PROTOCOL_ERROR." - A41. Since this is a HTTP/2 + // error, this takes precedence over a client not speaking gRPC. + if len(mdata[":authority"]) > 1 || len(mdata["host"]) > 1 { + errMsg := fmt.Sprintf("num values of :authority: %v, num values of host: %v, both must only have 1 value as per HTTP/2 spec", len(mdata[":authority"]), len(mdata["host"])) + if logger.V(logLevel) { + logger.Errorf("transport: %v", errMsg) + } + t.controlBuf.put(&earlyAbortStream{ + httpStatus: 400, + streamID: streamID, + contentSubtype: s.contentSubtype, + status: status.New(codes.Internal, errMsg), + }) + return false + } + if !isGRPC || headerError { t.controlBuf.put(&cleanupStream{ streamID: streamID, @@ -414,6 +441,19 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func( return false } + // "If :authority is missing, Host must be renamed to :authority." - A41 + if len(mdata[":authority"]) == 0 { + // No-op if host isn't present, no eventual :authority header is a valid + // RPC. + if host, ok := mdata["host"]; ok { + mdata[":authority"] = host + delete(mdata, "host") + } + } else { + // "If :authority is present, Host must be discarded" - A41 + delete(mdata, "host") + } + if frame.StreamEnded() { // s is just created by the caller. No lock needed. s.state = streamReadDone @@ -494,6 +534,7 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func( stat = status.New(codes.PermissionDenied, err.Error()) } t.controlBuf.put(&earlyAbortStream{ + httpStatus: 200, streamID: s.id, contentSubtype: s.contentSubtype, status: stat, @@ -734,7 +775,7 @@ func (t *http2Server) handleData(f *http2.DataFrame) { s.write(recvMsg{buffer: buffer}) } } - if f.Header().Flags.Has(http2.FlagDataEndStream) { + if f.StreamEnded() { // Received the end of stream from the client. s.compareAndSwapState(streamActive, streamReadDone) s.write(recvMsg{err: io.EOF}) diff --git a/vendor/google.golang.org/grpc/internal/transport/networktype/networktype.go b/vendor/google.golang.org/grpc/internal/transport/networktype/networktype.go index 7bb53cff1..c11b52782 100644 --- a/vendor/google.golang.org/grpc/internal/transport/networktype/networktype.go +++ b/vendor/google.golang.org/grpc/internal/transport/networktype/networktype.go @@ -31,7 +31,7 @@ const key = keyType("grpc.internal.transport.networktype") // Set returns a copy of the provided address with attributes containing networkType. func Set(address resolver.Address, networkType string) resolver.Address { - address.Attributes = address.Attributes.WithValues(key, networkType) + address.Attributes = address.Attributes.WithValue(key, networkType) return address } diff --git a/vendor/google.golang.org/grpc/internal/xds/env/env.go b/vendor/google.golang.org/grpc/internal/xds/env/env.go index b171ac91f..87d3c2433 100644 --- a/vendor/google.golang.org/grpc/internal/xds/env/env.go +++ b/vendor/google.golang.org/grpc/internal/xds/env/env.go @@ -43,7 +43,7 @@ const ( clientSideSecuritySupportEnv = "GRPC_XDS_EXPERIMENTAL_SECURITY_SUPPORT" aggregateAndDNSSupportEnv = "GRPC_XDS_EXPERIMENTAL_ENABLE_AGGREGATE_AND_LOGICAL_DNS_CLUSTER" retrySupportEnv = "GRPC_XDS_EXPERIMENTAL_ENABLE_RETRY" - rbacSupportEnv = "GRPC_XDS_EXPERIMENTAL_ENABLE_RBAC" + rbacSupportEnv = "GRPC_XDS_EXPERIMENTAL_RBAC" c2pResolverSupportEnv = "GRPC_EXPERIMENTAL_GOOGLE_C2P_RESOLVER" c2pResolverTestOnlyTrafficDirectorURIEnv = "GRPC_TEST_ONLY_GOOGLE_C2P_RESOLVER_TRAFFIC_DIRECTOR_URI" @@ -83,8 +83,10 @@ var ( // RetrySupport indicates whether xDS retry is enabled. RetrySupport = !strings.EqualFold(os.Getenv(retrySupportEnv), "false") - // RBACSupport indicates whether xDS configured RBAC HTTP Filter is enabled. - RBACSupport = strings.EqualFold(os.Getenv(rbacSupportEnv), "true") + // RBACSupport indicates whether xDS configured RBAC HTTP Filter is enabled, + // which can be disabled by setting the environment variable + // "GRPC_XDS_EXPERIMENTAL_RBAC" to "false". + RBACSupport = !strings.EqualFold(os.Getenv(rbacSupportEnv), "false") // C2PResolverSupport indicates whether support for C2P resolver is enabled. // This can be enabled by setting the environment variable diff --git a/vendor/google.golang.org/grpc/internal/xds_handshake_cluster.go b/vendor/google.golang.org/grpc/internal/xds_handshake_cluster.go index 3677c3f04..e8b492774 100644 --- a/vendor/google.golang.org/grpc/internal/xds_handshake_cluster.go +++ b/vendor/google.golang.org/grpc/internal/xds_handshake_cluster.go @@ -28,7 +28,7 @@ type handshakeClusterNameKey struct{} // SetXDSHandshakeClusterName returns a copy of addr in which the Attributes field // is updated with the cluster name. func SetXDSHandshakeClusterName(addr resolver.Address, clusterName string) resolver.Address { - addr.Attributes = addr.Attributes.WithValues(handshakeClusterNameKey{}, clusterName) + addr.Attributes = addr.Attributes.WithValue(handshakeClusterNameKey{}, clusterName) return addr } diff --git a/vendor/google.golang.org/grpc/picker_wrapper.go b/vendor/google.golang.org/grpc/picker_wrapper.go index 0878ada9d..e8367cb89 100644 --- a/vendor/google.golang.org/grpc/picker_wrapper.go +++ b/vendor/google.golang.org/grpc/picker_wrapper.go @@ -144,7 +144,7 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer. acw, ok := pickResult.SubConn.(*acBalancerWrapper) if !ok { - logger.Error("subconn returned from pick is not *acBalancerWrapper") + logger.Errorf("subconn returned from pick is type %T, not *acBalancerWrapper", pickResult.SubConn) continue } if t := acw.getAddrConn().getReadyTransport(); t != nil { diff --git a/vendor/google.golang.org/grpc/resolver/map.go b/vendor/google.golang.org/grpc/resolver/map.go new file mode 100644 index 000000000..e87ecd0ee --- /dev/null +++ b/vendor/google.golang.org/grpc/resolver/map.go @@ -0,0 +1,109 @@ +/* + * + * Copyright 2021 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. + * + */ + +package resolver + +type addressMapEntry struct { + addr Address + value interface{} +} + +// AddressMap is a map of addresses to arbitrary values taking into account +// Attributes. BalancerAttributes are ignored, as are Metadata and Type. +// Multiple accesses may not be performed concurrently. Must be created via +// NewAddressMap; do not construct directly. +type AddressMap struct { + m map[string]addressMapEntryList +} + +type addressMapEntryList []*addressMapEntry + +// NewAddressMap creates a new AddressMap. +func NewAddressMap() *AddressMap { + return &AddressMap{m: make(map[string]addressMapEntryList)} +} + +// find returns the index of addr in the addressMapEntry slice, or -1 if not +// present. +func (l addressMapEntryList) find(addr Address) int { + if len(l) == 0 { + return -1 + } + for i, entry := range l { + if entry.addr.ServerName == addr.ServerName && + entry.addr.Attributes.Equal(addr.Attributes) { + return i + } + } + return -1 +} + +// Get returns the value for the address in the map, if present. +func (a *AddressMap) Get(addr Address) (value interface{}, ok bool) { + entryList := a.m[addr.Addr] + if entry := entryList.find(addr); entry != -1 { + return entryList[entry].value, true + } + return nil, false +} + +// Set updates or adds the value to the address in the map. +func (a *AddressMap) Set(addr Address, value interface{}) { + entryList := a.m[addr.Addr] + if entry := entryList.find(addr); entry != -1 { + a.m[addr.Addr][entry].value = value + return + } + a.m[addr.Addr] = append(a.m[addr.Addr], &addressMapEntry{addr: addr, value: value}) +} + +// Delete removes addr from the map. +func (a *AddressMap) Delete(addr Address) { + entryList := a.m[addr.Addr] + entry := entryList.find(addr) + if entry == -1 { + return + } + if len(entryList) == 1 { + entryList = nil + } else { + copy(entryList[entry:], entryList[entry+1:]) + entryList = entryList[:len(entryList)-1] + } + a.m[addr.Addr] = entryList +} + +// Len returns the number of entries in the map. +func (a *AddressMap) Len() int { + ret := 0 + for _, entryList := range a.m { + ret += len(entryList) + } + return ret +} + +// Keys returns a slice of all current map keys. +func (a *AddressMap) Keys() []Address { + ret := make([]Address, 0, a.Len()) + for _, entryList := range a.m { + for _, entry := range entryList { + ret = append(ret, entry.addr) + } + } + return ret +} diff --git a/vendor/google.golang.org/grpc/resolver/resolver.go b/vendor/google.golang.org/grpc/resolver/resolver.go index 6a9d234a5..e28b68026 100644 --- a/vendor/google.golang.org/grpc/resolver/resolver.go +++ b/vendor/google.golang.org/grpc/resolver/resolver.go @@ -23,6 +23,7 @@ package resolver import ( "context" "net" + "net/url" "google.golang.org/grpc/attributes" "google.golang.org/grpc/credentials" @@ -116,9 +117,14 @@ type Address struct { ServerName string // Attributes contains arbitrary data about this address intended for - // consumption by the load balancing policy. + // consumption by the SubConn. Attributes *attributes.Attributes + // BalancerAttributes contains arbitrary data about this address intended + // for consumption by the LB policy. These attribes do not affect SubConn + // creation, connection establishment, handshaking, etc. + BalancerAttributes *attributes.Attributes + // Type is the type of this address. // // Deprecated: use Attributes instead. @@ -131,6 +137,15 @@ type Address struct { Metadata interface{} } +// Equal returns whether a and o are identical. Metadata is compared directly, +// not with any recursive introspection. +func (a *Address) Equal(o Address) bool { + return a.Addr == o.Addr && a.ServerName == o.ServerName && + a.Attributes.Equal(o.Attributes) && + a.BalancerAttributes.Equal(o.BalancerAttributes) && + a.Type == o.Type && a.Metadata == o.Metadata +} + // BuildOptions includes additional information for the builder to create // the resolver. type BuildOptions struct { @@ -204,25 +219,36 @@ type ClientConn interface { // Target represents a target for gRPC, as specified in: // https://github.com/grpc/grpc/blob/master/doc/naming.md. -// It is parsed from the target string that gets passed into Dial or DialContext by the user. And -// grpc passes it to the resolver and the balancer. +// It is parsed from the target string that gets passed into Dial or DialContext +// by the user. And gRPC passes it to the resolver and the balancer. // -// If the target follows the naming spec, and the parsed scheme is registered with grpc, we will -// parse the target string according to the spec. e.g. "dns://some_authority/foo.bar" will be parsed -// into &Target{Scheme: "dns", Authority: "some_authority", Endpoint: "foo.bar"} +// If the target follows the naming spec, and the parsed scheme is registered +// with gRPC, we will parse the target string according to the spec. If the +// target does not contain a scheme or if the parsed scheme is not registered +// (i.e. no corresponding resolver available to resolve the endpoint), we will +// apply the default scheme, and will attempt to reparse it. // -// If the target does not contain a scheme, we will apply the default scheme, and set the Target to -// be the full target string. e.g. "foo.bar" will be parsed into -// &Target{Scheme: resolver.GetDefaultScheme(), Endpoint: "foo.bar"}. +// Examples: // -// If the parsed scheme is not registered (i.e. no corresponding resolver available to resolve the -// endpoint), we set the Scheme to be the default scheme, and set the Endpoint to be the full target -// string. e.g. target string "unknown_scheme://authority/endpoint" will be parsed into -// &Target{Scheme: resolver.GetDefaultScheme(), Endpoint: "unknown_scheme://authority/endpoint"}. +// - "dns://some_authority/foo.bar" +// Target{Scheme: "dns", Authority: "some_authority", Endpoint: "foo.bar"} +// - "foo.bar" +// Target{Scheme: resolver.GetDefaultScheme(), Endpoint: "foo.bar"} +// - "unknown_scheme://authority/endpoint" +// Target{Scheme: resolver.GetDefaultScheme(), Endpoint: "unknown_scheme://authority/endpoint"} type Target struct { - Scheme string + // Deprecated: use URL.Scheme instead. + Scheme string + // Deprecated: use URL.Host instead. Authority string - Endpoint string + // Deprecated: use URL.Path or URL.Opaque instead. The latter is set when + // the former is empty. + Endpoint string + // URL contains the parsed dial target with an optional default scheme added + // to it if the original dial target contained no scheme or contained an + // unregistered scheme. Any query params specified in the original dial + // target can be accessed from here. + URL url.URL } // Builder creates a resolver that will be used to watch name resolution updates. diff --git a/vendor/google.golang.org/grpc/server.go b/vendor/google.golang.org/grpc/server.go index 557f29559..eadf9e05f 100644 --- a/vendor/google.golang.org/grpc/server.go +++ b/vendor/google.golang.org/grpc/server.go @@ -885,13 +885,11 @@ func (s *Server) newHTTP2Transport(c net.Conn) transport.ServerTransport { // ErrConnDispatched means that the connection was dispatched away from // gRPC; those connections should be left open. if err != credentials.ErrConnDispatched { - c.Close() - } - // Don't log on ErrConnDispatched and io.EOF to prevent log spam. - if err != credentials.ErrConnDispatched { + // Don't log on ErrConnDispatched and io.EOF to prevent log spam. if err != io.EOF { channelz.Warning(logger, s.channelzID, "grpc: Server.Serve failed to create ServerTransport: ", err) } + c.Close() } return nil } @@ -1106,16 +1104,21 @@ func chainUnaryServerInterceptors(s *Server) { func chainUnaryInterceptors(interceptors []UnaryServerInterceptor) UnaryServerInterceptor { return func(ctx context.Context, req interface{}, info *UnaryServerInfo, handler UnaryHandler) (interface{}, error) { - var i int - var next UnaryHandler - next = func(ctx context.Context, req interface{}) (interface{}, error) { - if i == len(interceptors)-1 { - return interceptors[i](ctx, req, info, handler) + // the struct ensures the variables are allocated together, rather than separately, since we + // know they should be garbage collected together. This saves 1 allocation and decreases + // time/call by about 10% on the microbenchmark. + var state struct { + i int + next UnaryHandler + } + state.next = func(ctx context.Context, req interface{}) (interface{}, error) { + if state.i == len(interceptors)-1 { + return interceptors[state.i](ctx, req, info, handler) } - i++ - return interceptors[i-1](ctx, req, info, next) + state.i++ + return interceptors[state.i-1](ctx, req, info, state.next) } - return next(ctx, req) + return state.next(ctx, req) } } @@ -1391,16 +1394,21 @@ func chainStreamServerInterceptors(s *Server) { func chainStreamInterceptors(interceptors []StreamServerInterceptor) StreamServerInterceptor { return func(srv interface{}, ss ServerStream, info *StreamServerInfo, handler StreamHandler) error { - var i int - var next StreamHandler - next = func(srv interface{}, ss ServerStream) error { - if i == len(interceptors)-1 { - return interceptors[i](srv, ss, info, handler) + // the struct ensures the variables are allocated together, rather than separately, since we + // know they should be garbage collected together. This saves 1 allocation and decreases + // time/call by about 10% on the microbenchmark. + var state struct { + i int + next StreamHandler + } + state.next = func(srv interface{}, ss ServerStream) error { + if state.i == len(interceptors)-1 { + return interceptors[state.i](srv, ss, info, handler) } - i++ - return interceptors[i-1](srv, ss, info, next) + state.i++ + return interceptors[state.i-1](srv, ss, info, state.next) } - return next(srv, ss) + return state.next(srv, ss) } } diff --git a/vendor/google.golang.org/grpc/status/status.go b/vendor/google.golang.org/grpc/status/status.go index 54d187186..af2cffe98 100644 --- a/vendor/google.golang.org/grpc/status/status.go +++ b/vendor/google.golang.org/grpc/status/status.go @@ -73,11 +73,16 @@ func FromProto(s *spb.Status) *Status { return status.FromProto(s) } -// FromError returns a Status representing err if it was produced by this -// package or has a method `GRPCStatus() *Status`. -// If err is nil, a Status is returned with codes.OK and no message. -// Otherwise, ok is false and a Status is returned with codes.Unknown and -// the original error message. +// FromError returns a Status representation of err. +// +// - If err was produced by this package or implements the method `GRPCStatus() +// *Status`, the appropriate Status is returned. +// +// - If err is nil, a Status is returned with codes.OK and no message. +// +// - Otherwise, err is an error not compatible with this package. In this +// case, a Status is returned with codes.Unknown and err's Error() message, +// and ok is false. func FromError(err error) (s *Status, ok bool) { if err == nil { return nil, true diff --git a/vendor/google.golang.org/grpc/version.go b/vendor/google.golang.org/grpc/version.go index 48594bc24..1a5fd584a 100644 --- a/vendor/google.golang.org/grpc/version.go +++ b/vendor/google.golang.org/grpc/version.go @@ -19,4 +19,4 @@ package grpc // Version is the current grpc version. -const Version = "1.41.0" +const Version = "1.42.0" |