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Update module google.golang.org/grpc to v1.63.2

renovatebot requested to merge renovate/google.golang.org-grpc-1.x into master

This MR contains the following updates:

Package Type Update Change
google.golang.org/grpc require minor v1.31.0 -> v1.63.2

Release Notes

grpc/grpc-go

v1.63.2

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Bugs

  • Fix the user agent string

v1.63.1

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Bugs

API Changes

  • grpc: remove Deprecated tag from Dial and DialContext; these will be deprecated in v1.64 instead (#​7103)

v1.63.0

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Behavior Changes

  • grpc: Return canonical target string from resolver.Address.String() (experimental) (#​6923)
  • client & server: when using write buffer pooling, use input value for buffer size instead of size*2 (#​6983)

New Features

  • grpc: add ClientConn.CanonicalTarget() to return the canonical target string. (#​7006)
  • xds: implement LRS named metrics support (gRFC A64) (#​7027)
  • grpc: introduce grpc.NewClient to allow users to create new clients in idle mode and with "dns" as the default resolver (#​7010)

API Changes

  • grpc: stabilize experimental method ClientConn.Target() (#​7006)

Bug Fixes

  • xds: fix an issue that would cause the client to send an empty list of resources for LDS/CDS upon reconnecting with the management server (#​7026)
  • server: Fix some errors returned by a server when using a grpc.Server as an http.Handler with the Go stdlib HTTP server (#​6989)
  • resolver/dns: add SetResolvingTimeout to allow configuring the DNS resolver's global timeout (#​6917)
  • Set the security level of Windows named pipes to NoSecurity (#​6956)

v1.62.2

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Dependencies

v1.62.1

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Bug Fixes

  • xds: fix a bug that results in no matching virtual host found RPC errors due to a difference between the target and LDS resource names (#​6997)
  • server: fixed stats handler data InPayload.Length for unary RPC calls (#​6766)
  • grpc: the experimental RecvBufferPool DialOption and ServerOption are now active during unary RPCs with compression (#​6766)
  • grpc: trim whitespaces in accept-encoding header before determining compressors

v1.62.0

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New Features

  • grpc: Add StaticMethod CallOption as a signal to stats handler that a method is safe to use as an instrument key (#​6986)

Behavior Changes

  • grpc: Return canonical target string from ClientConn.Target() and resolver.Address.String() (#​6923)

Bug Fixes

  • server: wait to close connection until incoming socket is drained (with timeout) to prevent data loss on client-side (#​6977)

Performance Improvements

  • *: Allow building without x/net/trace by using grpcnotrace to enable dead code elimination (#​6954)
  • rand: improve performance and simplify implementation of grpcrand by adopting math/rand's top-level functions for go version 1.21.0 and newer. (#​6925)

Dependencies

  • *: Use google.golang.org/protobuf/proto instead of github.com/golang/protobuf. (#​6919)

[!NOTE] The above change in proto library usage introduces a minor behavior change within those libraries. The old github.com/golang/protobuf library would error if given a nil message to Marshal, while the new google.golang.org/protobuf library will successfully output zero bytes in this case. This means server method handlers that did return nil, nil will now return an empty message and no error, while it used to return an error. This also affects the client side, where clients sending nil messages used to fail without sending the RPC, and now they will send an empty message.

v1.61.2

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Dependencies

v1.61.1

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Bug Fixes

  • server: wait to close connection until incoming socket is drained (with timeout) to prevent data loss on client-side (#​6977)

v1.61.0

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New Features

  • resolver: provide method, AuthorityOverrider, to allow resolver.Builders to override the default authority for a ClientConn. (EXPERIMENTAL) (#​6752)
  • xds: add support for mTLS Credentials in xDS bootstrap (gRFC A65) (#​6757)
  • server: add grpc.WaitForHandlers ServerOption to cause Server.Stop to block until method handlers return. (EXPERIMENTAL) (#​6922)

Performance Improvements

Bug Fixes

  • client: correctly enable TCP keepalives with OS defaults on windows (#​6863)
  • server: change some stream operations to return UNAVAILABLE instead of UNKNOWN when underlying connection is broken (#​6891)
  • server: fix GracefulStop to block until all method handlers return (v1.60 regression). (#​6922)
  • server: fix two bugs that could lead to panics at shutdown when using NumStreamWorkers (EXPERIMENTAL). (#​6856)
  • reflection: do not send invalid descriptors to clients for files that cannot be fully resolved (#​6771)
  • xds: don't fail channel/server startup when xds creds is specified, but bootstrap is missing certificate providers (#​6848)
  • xds: Atomically read and write xDS security configuration client side (#​6796)
  • xds/server: fix RDS handling for non-inline route configs (#​6915)

v1.60.1

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Bug Fixes

  • server: fix two bugs that could lead to panics at shutdown when using NumStreamWorkers (experimental feature).

v1.60.0

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Security

  • credentials/tls: if not set, set TLS MinVersion to 1.2 and CipherSuites according to supported suites not forbidden by RFC7540.
    • This is a behavior change to bring us into better alignment with RFC 7540.

API Changes

  • resolver: remove deprecated and experimental ClientConn.NewServiceConfig (#​6784)
  • client: remove deprecated grpc.WithServiceConfig DialOption (#​6800)

Bug Fixes

  • client: fix race that could cause a deadlock while entering idle mode and receiving a name resolver update (#​6804)
  • client: always enable TCP keepalives with OS defaults (#​6834)
  • credentials/alts: fix a bug preventing ALTS from connecting to the metadata server if the default scheme is overridden (#​6686)

Behavior Changes

  • server: Do not return from Stop() or GracefulStop() until all resources are released (#​6489)

Documentation

  • codes: clarify that only codes defined by this package are valid and that users should not cast other values to codes.Code (#​6701)

v1.59.0

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Behavior Changes

  • balancer: grpc will switch to case-sensitive balancer names soon; log a warning if a capital letter is encountered in an LB policy name (#​6647)
  • server: allow applications to send arbitrary data in the grpc-status-details-bin trailer (#​6662)
  • client: validate grpc-status-details-bin trailer and pass through the trailer to the application directly (#​6662)

New Features

  • tap (experimental): Add Header metadata to tap handler (#​6652)
  • grpc: channel idleness enabled by default with an idle_timeout of 30m (#​6585)

Documentation

  • examples: add an example of flow control behavior (#​6648)

Bug Fixes

  • xds: fix hash policy header to skip "-bin" headers and read content-type header as expected (#​6609)

v1.58.3

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Security

  • server: prohibit more than MaxConcurrentStreams handlers from running at once (CVE-2023-44487)

    In addition to this change, applications should ensure they do not leave running tasks behind related to the RPC before returning from method handlers, or should enforce appropriate limits on any such work.

v1.58.2

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Bug Fixes

  • balancer/weighted_round_robin: fix ticker leak on update

    A new ticker is created every time there is an update of addresses or configuration, but was not properly stopped. This change stops the ticker when it is no longer needed.

v1.58.1

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Bug Fixes

  • grpc: fix a bug that was decrementing active RPC count too early for streaming RPCs; leading to channel moving to IDLE even though it had open streams
  • grpc: fix a bug where transports were not being closed upon channel entering IDLE

v1.58.0

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API Changes

See #​6472 for details about these changes.

  • balancer: add StateListener to NewSubConnOptions for SubConn state updates and deprecate Balancer.UpdateSubConnState (#​6481)
    • UpdateSubConnState will be deleted in the future.
  • balancer: add SubConn.Shutdown and deprecate Balancer.RemoveSubConn (#​6493)
    • RemoveSubConn will be deleted in the future.
  • resolver: remove deprecated AddressType (#​6451)
    • This was previously used as a signal to enable the "grpclb" load balancing policy, and to pass LB addresses to the policy. Instead, balancer/grpclb/state.Set() should be used to add these addresses to the name resolver's output. The built-in "dns" name resolver already does this.
  • resolver: add new field Endpoints to State and deprecate Addresses (#​6471)
    • Addresses will be deleted in the future.

New Features

  • balancer/leastrequest: Add experimental support for least request LB policy and least request configured as a custom xDS policy (#​6510, #​6517)
    • Set GRPC_EXPERIMENTAL_ENABLE_LEAST_REQUEST=true to enable
  • stats: Add an RPC event for blocking caused by the LB policy's picker (#​6422)

Bug Fixes

  • clusterresolver: fix deadlock when dns resolver responds inline with update or error at build time (#​6563)
  • grpc: fix a bug where the channel could erroneously report TRANSIENT_FAILURE when actually moving to IDLE (#​6497)
  • balancergroup: do not cache closed sub-balancers by default; affects rls, weightedtarget and clustermanager LB policies (#​6523)
  • client: fix a bug that prevented detection of RPC status in trailers-only RPC responses when using ClientStream.Header(), and prevented retry of the RPC (#​6557)

Performance Improvements

  • client & server: Add experimental [With]SharedWriteBuffer to improve performance by reducing allocations when sending RPC messages. (Disabled by default.) (#​6309)

v1.57.2

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Bug Fixes

  • server: fix a bug introduced in v1.57.1 that causes connections to eventually stop processing any RPCs.

v1.57.1

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Security

  • server: prohibit more than MaxConcurrentStreams handlers from running at once (CVE-2023-44487)

    In addition to this change, applications should ensure they do not leave running tasks behind related to the RPC before returning from method handlers, or should enforce appropriate limits on any such work.

v1.57.0

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API Changes

  • resolver: remove deprecated Target.Scheme and Target.Authority. Use URL.Scheme and URL.Host instead, respectively (#​6363)

Behavior Changes

  • client: percent-encode the default authority for the channel (#​6428)
  • xds: require EDS service name to be set in a CDS cluster with an 'xdstp' resource name (gRFC A47) (#​6438)

New Features

  • reflection: support the v1 reflection service and update Register to register both v1alpha and v1 (#​6329)
  • xds: add support for string matcher in RBAC header matching (#​6419)
  • alts: add support for GRPC_ALTS_MAX_CONCURRENT_HANDSHAKES env var (#​6267)
  • balancer/weightedroundrobin: de-experimentalize name of LB policy (#​6477)

Bug Fixes

  • status: status.FromError now returns an error with codes.Unknown when the error implements the GRPCStatus() method, and calling GRPCStatus() returns nil (#​6374)
  • server: fix bug preventing TCP user timeout from being set on the connection when TLS is used (#​6321)
  • client: eliminate connection churn during an address update that differs only in balancer attributes (#​6439)
  • clusterresolver: handle EDS nacks, resource-not-found errors, and DNS Resolver errors correctly (#​6436, #​6461)
  • xds/ringhash: cache connectivity state of subchannels inside picker to avoid rare races (#​6351)

v1.56.3

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Security

  • server: prohibit more than MaxConcurrentStreams handlers from running at once (CVE-2023-44487)

    In addition to this change, applications should ensure they do not leave running tasks behind related to the RPC before returning from method handlers, or should enforce appropriate limits on any such work.

v1.56.2

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  • status: To fix a panic, status.FromError now returns an error with codes.Unknown when the error implements the GRPCStatus() method, and calling GRPCStatus() returns nil. (#​6374)

v1.56.1

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  • client: handle empty address lists correctly in addrConn.updateAddrs

v1.56.0

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New Features

  • client: support channel idleness using WithIdleTimeout dial option (#​6263)
    • This feature is currently disabled by default, but will be enabled with a 30 minute default in the future.
  • client: when using pickfirst, keep channel state in TRANSIENT_FAILURE until it becomes READY (gRFC A62) (#​6306)
  • xds: Add support for Custom LB Policies (gRFC A52) (#​6224)
  • xds: support pick_first Custom LB policy (gRFC A62) (#​6314) (#​6317)
  • client: add support for pickfirst address shuffling (gRFC A62) (#​6311)
  • xds: Add support for String Matcher Header Matcher in RDS (#​6313)
  • xds/outlierdetection: Add Channelz Logger to Outlier Detection LB (#​6145)
  • xds: enable RLS in xDS by default (#​6343)
  • orca: add support for application_utilization field and missing range checks on several metrics setters
  • balancer/weightedroundrobin: add new LB policy for balancing between backends based on their load reports (gRFC A58) (#​6241)
  • authz: add conversion of json to RBAC Audit Logging config (#​6192)
  • authz: add support for stdout logger (#​6230 and #​6298)
  • authz: support customizable audit functionality for authorization policy (#​6192 #​6230 #​6298 #​6158 #​6304 and #​6225)

Bug Fixes

  • orca: fix a race at startup of out-of-band metric subscriptions that would cause the report interval to request 0 (#​6245)
  • xds/xdsresource: Fix Outlier Detection Config Handling and correctly set xDS Defaults (#​6361)
  • xds/outlierdetection: Fix Outlier Detection Config Handling by setting defaults in ParseConfig() (#​6361)

API Changes

  • orca: allow a ServerMetricsProvider to be passed to the ORCA service and ServerOption (#​6223)

v1.55.1

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  • status: To fix a panic, status.FromError now returns an error with codes.Unknown when the error implements the GRPCStatus() method, and calling GRPCStatus() returns nil. (#​6374)

v1.55.0

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Behavior Changes

New Features

  • xds/xdsclient: support ignore_resource_deletion server feature as per gRFC A53 (#​6035)
  • security/advancedtls: add min/max TLS version selection options (#​6007)

Bug Fixes

  • xds: stop routing RPCs to deleted clusters (#​6125)
  • client: fix race between stream creation and GOAWAY receipt, which could lead to spurious UNAVAILABLE stream errors (#​6142)

Performance Improvements

v1.54.1

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Bug Fixes

  • credentials/alts: revert a change that causes a crash in the handshaker

v1.54.0

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Behavior Changes

  • xds: remove support for xDS v2 transport API (#​6013)

New Features

  • server: expose SetSendCompressor API to set send compressor name (#​5744)
  • xdsclient: include Node proto only in the first discovery request message, to improve performance (#​6078)

Bug Fixes

  • metadata: fix validation logic and properly validate metadata appended via AppendToOutgoingContext (#​6001)
  • transport: do not close connections when we encounter I/O errors until after all data is consumed (#​6110)
  • ringhash: ensure addresses are consistently hashed across updates (#​6066)
  • xds/clusterimpl: fix a bug causing unnecessary closing and re-opening of LRS streams (#​6112)
  • xds: NACK route configuration if sum of weights of weighted clusters exceeds uint32_max (#​6085)

Documentation

  • resolver: update Resolver.Scheme() docstring to mention requirement of lowercase scheme names (#​6014)
  • resolver: document expected error handling of UpdateState errors (#​6002)
  • examples: add example for ORCA load reporting (#​6114)
  • examples: add an example to illustrate authorization (authz) support (#​5920)

v1.53.0

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API Changes

  • balancer: support injection of per-call metadata from LB policies (#​5853)
  • resolver: remove deprecated field resolver.Target.Endpoint and replace with resolver.Target.Endpoint() (#​5852)

New Features

  • xds/ringhash: introduce GRPC_RING_HASH_CAP environment variable to override the maximum ring size. (#​5884)
  • rls: propagate headers received in RLS response to backends (#​5883)

Bug Fixes

  • transport: drain client transport when streamID approaches MaxStreamID (#​5889)
  • server: after GracefulStop, ensure connections are closed when final RPC completes (#​5968)
  • server: fix a few issues where grpc server uses RST_STREAM for non-HTTP/2 errors (#​5893)
  • xdsclient: fix race which can happen when multiple load reporting calls are made at the same time. (#​5927)
  • rls: fix a data race involving the LRU cache (#​5925)
  • xds: fix panic involving double close of channel in xDS transport (#​5959)
  • gcp/observability: update method name validation (#​5951)

Documentation

v1.52.3

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Bug Fixes

  • Fix user-agent version

v1.52.1

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Bug Fixes

  • grpclb: rename grpclbstate package back to state (#​5963)

v1.52.0

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New Features

  • xdsclient: log node ID with verbosity INFO (#​5860)
  • ringhash: impose cap on max_ring_size to reduce possibility of OOMs (#​5801)

Behavior Changes

  • client: return an error from Dial if an empty target is passed and no custom dialer is present; the ClientConn would otherwise be unable to connect and perform RPCs (#​5732)

Bug Fixes

  • transport (net/http server handler): respond to bad HTTP requests with status 400 (Bad Request) instead of 500 (Internal Server Error). (#​5804)
  • transport: Fixed closing a closed channel panic in handlePing (#​5854)
  • server: fix ChainUnaryInterceptor and ChainStreamInterceptor to allow retrying handlers (#​5666)
  • transport: ensure value of :authority header matches server name used in TLS handshake when the latter is overridden by the name resolver (#​5748)

Documentation

  • examples: add an example to illustrate the usage of stats handler (#​5657)
  • examples: add new example to show updating metadata in interceptors (#​5788)

v1.51.0

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Behavior Changes

  • xds: NACK EDS resources with duplicate addresses in accordance with a recent spec change (#​5715)
  • grpc: restrict status codes that can be generated by the control plane (gRFC A54) (#​5653)

New Features

  • client: set grpc-accept-encoding header with all registered compressors (#​5541)
  • xds/weightedtarget: return a more meaningful error when all child policies are in TRANSIENT_FAILURE (#​5711)
  • gcp/observability: add "started rpcs" metric (#​5768)
  • xds: de-experimentalize the google-c2p-resolver (#​5707)
  • balancer: add experimental Producer types and methods (#​5669)
  • orca: provide a way for LB policies to receive OOB load reports (#​5669)

Bug Fixes

  • go.mod: upgrade x/text dependency to address CVE 2022-32149 (#​5769)
  • client: fix race that could lead to an incorrect connection state if it was closed immediately after the server's HTTP/2 preface was received (#​5714)
  • xds: ensure sum of the weights of all EDS localities at the same priority level does not exceed uint32 max (#​5703)
  • client: fix binary logging bug which logs a server header on a trailers-only response (#​5763)
  • balancer/priority: fix a bug where unreleased references to removed child policies (and associated state) was causing a memory leak (#​5682)
  • xds/google-c2p: validate URI schema for no authorities (#​5756)

v1.50.1

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New Features

  • gcp/observability: support new configuration defined in public preview user guide

v1.50.0

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Behavior Changes

  • client: use proper "@​" semantics for connecting to abstract unix sockets. (#​5678)

    • This is technically a bug fix; the result is that the address was including a trailing NULL byte, which it should not have. This may break users creating the socket in Go by prefixing a NULL instead of an "@​", though, so calling it out as a behavior change.

New Features

  • metadata: add experimental ValueFromIncomingContext to more efficiently retrieve a single value (#​5596)
  • stats: provide peer information in HandleConn context (#​5589)
  • xds: add support for Outlier Detection, enabled by default (#​5435, #​5673)

Bug Fixes

  • client: fix deadlock in transport caused by GOAWAY racing with stream creation (#​5652)
    • This should only occur with an HTTP/2 server that does not follow best practices of an advisory GOAWAY (not a grpc-go server).
  • xds/xdsclient: fix a bug which was causing routes with cluster_specifier_plugin set to be NACKed when GRPC_EXPERIMENTAL_XDS_RLS_LB was off (#​5670)
  • xds/xdsclient: NACK cluster resource if config_source_specifier in lrs_server is not self (#​5613)
  • xds/ringhash: fix a bug which sometimes prevents the LB policy from retrying connection attempts (#​5601)
  • xds/ringhash: do nothing when asked to exit IDLE instead of falling back on the default channel behavior of connecting to all addresses (#​5614)
  • xds/rls: fix a bug which was causing the channel to be stuck in IDLE (#​5656)
  • alts: fix a bug which was setting WaitForReady on handshaker service RPCs, thereby delaying fallback when required (#​5620)
  • gcp/observability: fix End() to cleanup global state correctly (#​5623)

v1.49.0

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New Features

  • gcp/observability: add support for Environment Variable GRPC_CONFIG_OBSERVABILITY_JSON (#​5525)
  • gcp/observability: add support for custom tags (#​5565)

Behavior Changes

  • server: reduce log level from Warning to Info for early connection establishment errors (#​5524)

Bug Fixes

  • client: fix race in flow control that could lead to unexpected EOF errors (#​5494)
  • client: fix a race that could cause RPCs to time out instead of failing more quickly with UNAVAILABLE (#​5503)
  • client & server: fix a panic caused by passing a nil stats handler to grpc.WithStatsHandler or grpc.StatsHandler (#​5543)
  • transport/server: fix a race that could cause a stray header to be sent (#​5513)
  • balancer: give precedence to IDLE over TRANSIENT_FAILURE when aggregating connectivity state (#​5473)
  • xds/xdsclient: request correct resource name when user specifies a new style resource name with empty authority (#​5488)
  • xds/xdsclient: NACK endpoint resources with zero weight (#​5560)
  • xds/xdsclient: fix bug that would reset resource version information after ADS stream restart (#​5422)
  • xds/xdsclient: fix goroutine leaks when load reporting is enabled (#​5505)
  • xds/ringhash: fix config update processing to recreate ring and picker when min/max ring size changes (#​5557)
  • xds/ringhash: avoid recreating subChannels when update doesn't change address weight information (#​5431)
  • xds/priority: fix bug which could cause priority LB to block all traffic after a config update (#​5549)
  • xds: fix bug when environment variable GRPC_EXPERIMENTAL_ENABLE_OUTLIER_DETECTION is set to true (#​5537)

v1.48.0

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Bug Fixes

  • xds/priority: fix bug that could prevent higher priorities from receiving config updates (#​5417)
  • RLS load balancer: don't propagate the status code returned on control plane RPCs to data plane RPCs (#​5400)

New Features

  • stats: add support for multiple stats handlers in a single client or server (#​5347)
  • gcp/observability: add experimental OpenCensus tracing/metrics support (#​5372)
  • xds: enable aggregate and logical DNS clusters by default (#​5380)
  • credentials/google (for xds): support xdstp C2P cluster names (#​5399)

v1.47.0

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New Features

  • xds: add support for RBAC metadata invert matchers (#​5345)

Bug Fixes

  • client: fix a context leaked if a connection to an address is lost before it is fully established (#​5337)
  • client: fix potential panic during RPC retries (#​5323)
  • xds/client: fix a potential concurrent map read/write in load reporting (#​5331)
  • client/SubConn: do not recreate addrConn if UpdateAddresses is called with the same addresses (#​5373)
  • xds/eds: resources containing duplicate localities with the same priority will be rejected (#​5303)
  • server: return Canceled or DeadlineExceeded status code when writing headers to a stream that is already closed (#​5292)

Behavior Changes

  • xds/priority: start the init timer when a child switches to Connecting from non-failure states (#​5334)
  • server: respond with HTTP Status 405 and gRPC status INTERNAL if the method sent to server is not POST (#​5364)

Documentation

  • server: clarify documentation around setting and sending headers and ServerStream errors (#​5302)

v1.46.2

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Bug Fixes

  • client: fix potential panic during RPC retries (#​5323)
  • xds: fix leak of deleted CDS resources from CSDS view (#​5339)

v1.46.1

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v1.46.0

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New Features

  • server: Support setting TCP_USER_TIMEOUT on grpc.Server connections using keepalive.ServerParameters.Time (#​5219)
  • client: perform graceful switching of LB policies in the ClientConn by default (#​5285)
  • all: improve logging by including channelz identifier in log messages (#​5192)

API Changes

  • grpc: delete WithBalancerName() API, deprecated over 4 years ago in #​1697 (#​5232)
  • balancer: change BuildOptions.ChannelzParentID to an opaque identifier instead of int (#​5192)
    • Note: the balancer package is labeled as EXPERIMENTAL, and we don't believe users were using this field.

Behavior Changes

  • client: change connectivity state to TransientFailure in pick_first LB policy when all addresses are removed (#​5274)
    • This is a minor change that brings grpc-go's behavior in line with the intended behavior and how C and Java behave.
  • metadata: add client-side validation of HTTP-invalid metadata before attempting to send (#​4886)

Bug Fixes

  • metadata: make a copy of the value slices in FromContext() functions so that modifications won't be made to the original copy (#​5267)
  • client: handle invalid service configs by applying the default, if applicable (#​5238)
  • xds: the xds client will now apply a 1 second backoff before recreating ADS or LRS streams (#​5280)

Dependencies

v1.45.0

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Bug Fixes

  • xds/clusterresolver: pass cluster name to DNS child policy to be used in creds handshake (#​5119)
  • reflection: support dynamic messages (#​5180)

Performance Improvements

Behavior Changes

  • server: convert context errors returned by service handlers to status with the correct status code (Canceled or DeadlineExceeded), instead of Unknown (#​5156)

New Features

  • reflection: add NewServer(ServerOptions) for creating a reflection server with advanced customizations (#​5197)
  • xds: support federation (#​5128)
  • xds/resource: accept Self as LDS's RDS config source and CDS's EDS config source (#​5152)
  • xds/bootstrap: add plugin system for credentials specified in bootstrap file (#​5136)

v1.44.0

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New Features

  • balancer: add RLS load balancing policy (#​5046)
  • xds: add RLS Cluster Specifier Plugin (#​5004)
  • insecure: remove experimental notice (#​5069)

Bug Fixes

  • internal/balancergroup: eliminate race in exitIdle (#​5012)
  • authz: fix regex expression match (#​5035)

Documentation

  • grpc: minor improvement on WithInsecure() document (#​5068)
  • attributes: document that some value types (e.g. maps) must implement Equal (#​5109)
  • dialoptions.go: Fix WithBlock godoc (#​5073)
  • grpclog.DepthLoggerV2: Correct comment: formats like fmt.Println (#​5038)

v1.43.0

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API Changes

Behavior Changes

  • status: support wrapped errors in FromContextError (#​4977)
  • config: remove the environment variable to disable retry support (#​4922)

New Features

  • balancer: new field Authority in BuildOptions for server name to use in the authentication handshake with a remote load balancer (#​4969)

Bug Fixes

  • xds/resolver: fix possible ClientConn leak upon resolver initialization failure (#​4900)
  • client: fix nil panic in rare race conditions with the pick first LB policy (#​4971)
  • xds: improve RPC error messages when xDS connection errors occur (#​5032, #​5054)
  • transport: do not create stream object in the face of illegal stream IDs (#​4873)

Documentation

  • client: clarify errors to indicate whether compressed or uncompressed messages exceeded size limits (#​4918)

v1.42.0

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Behavior Changes

  • grpc: Dial("unix://relative-path") no longer works (#​4817)
    • use "unix://absolute-path" or "unix:relative-path" instead in accordance with our documentation
  • xds/csds: use new field GenericXdsConfig instead of PerXdsConfig (#​4898)
  • transport: server transport will reject requests with connection header (#​4803)

New Features

  • grpc: support grpc.WithAuthority when secure credentials are used (#​4817)
  • creds/google: add NewDefaultCredentialsWithOptions() to support custom per-RPC creds (#​4767, #​4830)
  • authz: create file watcher interceptor for gRPC SDK API (#​4760)
  • attributes: add Equal method (#​4855)
  • resolver: add AddressMap and State.BalancerAttributes (#​4855)
  • resolver: Add URL field to Target to store parsed dial target (#​4817)
  • grpclb: add a target_name field to lb config to specify target when used as a child policy (#​4847)
  • grpclog: support formatting log output as JSON (#​4854)

Bug Fixes

  • server: add missing conn.Close if the connection dies before reading the HTTP/2 preface (#​4837)
  • grpclb: recover if addresses are received after an empty server list was received previously (#​4879)
  • authz: support empty principals and fix rbac authenticated matcher (#​4883)
  • xds/rds: NACK the RDS response if it contains unknown cluster specifier (#​4788)
  • xds/priority: do not switch to low priority when high priority is in Idle (e.g. ringhash) (#​4889)

Documentation

  • grpc: stabilize WithDefaultServiceConfig and improve godoc (#​4888)
  • status: clarify FromError docstring (#​4880)
  • examples: add example illustrating the use of unix abstract sockets (#​4848)
  • examples: update load balancing example to use loadBalancingConfig (#​4887)
  • doc: promote WithDisableRetry to stable; clarify retry is enabled by default (#​4901)

API Changes

  • credentials: Mark TransportCredentials.OverrideServerName method as deprecated (#​4817)

v1.41.1

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  • creds/google: add NewDefaultCredentialsWithOptions() to support custom per-RPC creds (#​4767, #​4830)
  • pickfirst: check b.sc before calling Connect (#​4971)

v1.41.0

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API Changes

  • xds: Promote xds server and creds APIs to stable (#​4753)
  • balancer: add ExitIdle interface to instruct the balancer to attempt to leave the IDLE state by connecting SubConns if appropriate. (#​4673)
    • NOTICE: This method will be required by the Balancer interface in the future

Behavior Changes

  • xds: update xdsclient to keep valid resources from the response even if it has invalid responses and is NACK'ed (see gRFC 260) (#​4743)
  • balancer: SubConns no longer automatically reconnect after READY; instead they transition to IDLE on connection loss (#​4613)

New Features

  • xds: add support for RINGHASH lb-policy and affinity (#​4741)
  • xds: add support for retry policy in VirtualHosts and Routes (#​4738)
  • stats: support stats for all retry attempts; support transparent retry (#​4749)
  • authz: create interceptors for gRPC security policy API (#​4664)

Bug Fixes

  • transport: fix race in transport stream accessing s.recvCompress (#​4641)
  • client: fix transparent retries when per-RPC credentials are in use (#​4785)
  • server: fix bug that net.Conn is leaked if the connection is closed (io.EOF) immediately with no traffic (#​4633)
  • oauth: Allow access to Google API regional endpoints via Google Default Credentials (#​4713)

v1.40.1

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  • creds/google: add NewDefaultCredentialsWithOptions() to support custom per-RPC creds (#​4767, #​4830)

v1.40.0

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Behavior Changes

  • balancer: client channel no longer connects to idle subchannels that are returned by the pickers; LB policy should call SubConn.Connect instead. (#​4579)
    • This change is in line with existing documentation stating the balancer must call Connect on idle SubConns in order for them to connect, and is preparation for an upcoming change that transitions SubConns to the idle state when connections are lost. See https://pkg.go.dev/google.golang.org/grpc/balancer#SubConn for more details.

Bug Fixes

  • transport: fail RPCs without HTTP status 200 (OK), according to the gRPC spec (#​4474)
  • binarylog: fail the Write() method if proto marshaling fails (#​4582)
  • binarylog: exit the flusher goroutine upon closing the bufferedSink (#​4583)

New Features

  • metadata: add Delete method to MD to encapsulate lowercasing (#​4549)
  • xds/cds: support logical DNS cluster and aggregated cluster (#​4594)
  • stats: add stats.Begin.IsClientStream and IsServerStream to indicate the type of RPC invoked (#​4533)

Performance Improvements

v1.39.1

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  • server: fix bug that net.Conn is leaked if the connection is closed (io.EOF) immediately with no traffic (#​4642)
  • transport: fix race in transport stream accessing s.recvCompress (#​4627)

v1.39.0

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Behavior Changes

  • csds: return empty response if xds client is not set (#​4505)
  • metadata: convert keys to lowercase in FromContext() (#​4416)

New Features

  • xds: add GetServiceInfo to GRPCServer (#​4507)
  • xds: add test-only injection of xds config to client and server (#​4476)
  • server: allow PreparedMsgs to work for server streams (#​3480)

Performance Improvements

  • transport: remove decodeState from client & server to reduce allocations (#​4423)

Bug Fixes

  • server: return UNIMPLEMENTED on receipt of malformed method name (#​4464)
  • xds/rds: use 100 as default weighted cluster totalWeight instead of 0 (#​4439)
  • transport: unblock read throttling when controlbuf exits (#​4447)
  • client: fix status code to return Unavailable for servers shutting down instead of Unknown (#​4561)

Documentation

  • doc: fix broken benchmark dashboard link in README.md (#​4503)
  • example: improve hello world server with starting msg (#​4468)
  • client: Clarify that WaitForReady will block for CONNECTING channels (#​4477)

v1.38.1

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internal/transport: do not mask ConnectionError (#​4561)

v1.38.0

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API Changes

  • reflection: accept interface instead of grpc.Server struct in Register() (#​4340)
  • resolver: add error return value from ClientConn.UpdateState (#​4270)

Behavior Changes

  • client: do not poll name resolver when errors or bad updates are reported (#​4270)
  • transport: InTapHandle may return RPC status errors; no longer RST_STREAMs (#​4365)

New Features

  • client: propagate connection error causes to RPC status (#​4311, #​4316)
  • xds: support inline RDS resource from LDS response (#​4299)
  • xds: server side support is now experimentally available
  • server: add ForceServerCodec() to set a custom encoding.Codec on the server (#​4205)

Performance Improvements

Bug Fixes

  • xds/balancergroup: fix rare memory leak after closing ClientConn (#​4308)

Documentation

  • examples: update xds examples for PSM security (#​4256)
  • grpc: improve docs on StreamDesc (#​4397)

v1.37.1

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  • client: fix rare panic when shutting down client while receiving the first name resolver update (#​4398)
  • client: fix leaked addrConn struct when addresses are updated (#​4347)
  • xds/resolver: prevent panic when two LDS updates are receives without RDS in between (#​4327)

v1.37.0

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API Changes

  • balancer: Add UpdateAddresses() to balancer.ClientConn interface (#​4215)
    • NOTICE: balancer.SubConn.UpdateAddresses() is now deprecated and will be REMOVED in gRPC-Go 1.39

Behavior Changes

New Features

  • xds: add support for csds (#​4226, #​4217, #​4243)
  • admin: create admin package for conveniently registering standard admin services (#​4274)
  • xds: add support for HTTP filters (gRFC A39) (#​4206, #​4221)
  • xds: implement fault injection HTTP filter (A33) (#​4236)
  • xds: enable timeout, circuit breaking, and fault injection by default (#​4286)
  • xds: implement a priority based load balancer (#​4070)
  • xds/creds: support all SAN matchers on client-side (#​4246)

Bug Fixes

  • xds: add env var protection for client-side security (#​4247)
  • circuit breaking: update picker inline when there's a counter update (#​4212)
  • server: fail RPCs without POST HTTP method (#​4241)

v1.36.1

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  • xds: add env var protection for client-side security (#​4247)

v1.36.0

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New Features

  • xds bootstrap: support config content in env variable (#​4153)

Bug Fixes

  • encoding/proto: do not panic when types do not match (#​4218)

Documentation

v1.35.1

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  • encoding/proto: do not panic when types do not match (#​4218)
  • xds: add env var protection for client-side security (#​4247)

v1.35.0

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Behavior Changes

  • roundrobin: strip attributes from addresses (#​4024)
  • balancer: set RPC metadata in address attributes, instead of Metadata field (#​4041)

New Features

  • support unix-abstract schema (#​4079)
  • xds: implement experimental RouteAction timeout support (#​4116)
  • xds: Implement experimental circuit breaking support. (#​4050)

Bug Fixes

  • xds: server_features should be a child of xds_servers and not a sibling (#​4087)
  • xds: NACK more invalid RDS responses (#​4120)

v1.34.2

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  • encoding/proto: do not panic when types do not match (#​4218)
  • xds: add env var protection for client-side security (#​4247)

v1.34.1

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  • xds client: Updated v3 type for http connection manager (#​4137)
  • lrs: use JSON for locality's String representation (#​4135)
  • eds/lrs: handle nil when LRS is disabled (#​4086)
  • client: fix "unix" scheme handling for some corner cases (#​4021)

v1.34.0

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New Features

  • client: implement support for "unix" resolver scheme (#​3890)
  • rds: allow case_insensitive path matching (#​3997)
  • credentials/insecure: implement insecure credentials. (#​3964)
  • lrs: handle multiple clusters in LRS stream (#​3935)

Performance Improvements

  • encoding/proto: simplify & optimize proto codec (#​3958)

Bug Fixes

  • internal/transport: fix a bug causing -bin metadata to be incorrectly encoded (#​3985)
  • grpclb: consider IDLE SubConns as connecting (#​4031)
  • grpclb: send custom user-agent (#​4011)
  • client: use "localhost:port" as authority if target is ":port" (#​4017)
  • credentials: fix PerRPCCredentials w/RequireTransportSecurity and security levels (#​3995)

Documentation

v1.33.3

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  • xds client: Updated v3 type for http connection manager (#​4137)
  • lrs: use JSON for locality's String representation (#​4135)
  • eds/lrs: handle nil when LRS is disabled (#​4086)

v1.33.2

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  • protobuf: update all generated code to google.golang.org/protobuf (#​3932)
  • xdsclient: populate error details for NACK (#​3975)
  • internal/credentials: fix a bug and add one more helper function SPIFFEIDFromCert (#​3929)

v1.33.1

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API Changes

  • connectivity: remove unused, experimental Reporter interface (#​3875)

New Features

  • xds bootstrap: support insecure and make Creds required (#​3881)
  • xds: add bootstrap support for certificate providers. (#​3901)
  • lrs: add a layer for clusters in load store (#​3880)
  • credentials/xds: implementation of client-side xDS credentials. (#​3888)

Bug Fixes

  • http2_client: fix reader segfault on MROTOCOL_ERRORs (#​3926)
  • internal/transport: handle h2 errcode on header decoding (#​3872)
  • xds: exit from run() goroutine when resolver is closed. (#​3882)
  • credentials/alts: ClientAuthorizationCheck to case-fold compare of peer SA (#​3792)
  • service reflection: include transitive closure for a file (#​3851)
  • stats: include message header in stats.InPayload.WireLength (#​3886)
  • binarylog: export Sink (#​3879)
  • service reflection: include transitive closure for a file (#​3851)

v1.32.0

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Dependencies

  • Remove Go 1.9 support; assume go1.12 build tag (#​3767)

New Features

  • grpc: add ServiceRegistrar interface; bump up support package version. (#​3816; #​3818)
  • xds: add LRS balancing policy (#​3799)

Bug Fixes

  • server: prevent hang in Go HTTP transport in some error cases (#​3833)
  • server: respond correctly to client headers with END_STREAM flag set (#​3803)
  • eds: fix priority timeout failure when EDS removes all priorities (#​3830)

v1.31.1

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  • eds: fix priority timeout failure when EDS removes all priorities (#​3839)

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