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CHANGELOG.md

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v3.2.9 (2017-10-06)

See code changes.

Fixed(Security)

v3.2.8 (2017-09-29)

See code changes.

Fixed

  • Fix v2 client failover to next endpoint on mutable operation
  • Fix grpc-proxy to respect KeysOnly flag

v3.2.7 (2017-09-01)

See code changes.

Fixed

  • Fix server-side auth so concurrent auth operations do not return old revision error
  • Fix concurrency/stm Put with serializable snapshot
    • Use store revision from first fetch to resolve write conflicts instead of modified revision

v3.2.6 (2017-08-21)

See code changes.

Fixed

  • Fix watch restore from snapshot
  • Fix etcd_debugging_mvcc_keys_total inconsistency
  • Fix multiple URLs for --listen-peer-urls flag
  • Add enable-pprof to etcd configuration file format

v3.2.5 (2017-08-04)

See code changes.

Changed

  • Use reverse lookup to match wildcard DNS SAN
  • Return non-zero exit code on unhealthy endpoint health

Fixed

  • Fix unreachable /metrics endpoint when --enable-v2=false
  • Fix grpc-proxy to respect PrevKv flag

Added

  • Add container registry gcr.io/etcd-development/etcd

v3.2.4 (2017-07-19)

See code changes.

Fixed

  • Do not block on active client stream when stopping server
  • Fix gRPC proxy Snapshot RPC error handling

v3.2.3 (2017-07-14)

See code changes.

Fixed

  • Let clients establish unlimited streams

Added

  • Tag docker images with minor versions
    • e.g. docker pull quay.io/coreos/etcd:v3.2 to fetch latest v3.2 versions

v3.1.10 (2017-07-14)

See code changes.

Changed

  • Compile with Go 1.8.3 to fix panic on net/http.CloseNotify

Added

  • Tag docker images with minor versions
    • e.g. docker pull quay.io/coreos/etcd:v3.1 to fetch latest v3.1 versions

v3.2.2 (2017-07-07)

See code changes.

Improved

  • Rate-limit lease revoke on expiration
  • Extend leases on promote to avoid queueing effect on lease expiration

Fixed

  • Use user-provided listen address to connect to gRPC gateway
    • net.Listener rewrites IPv4 0.0.0.0 to IPv6 [::], breaking IPv6 disabled hosts
    • Only v3.2.0, v3.2.1 are affected
  • Accept connection with matched IP SAN but no DNS match
    • Don't check DNS entries in certs if there's a matching IP
  • Fix 'tools/benchmark' watch command

v3.2.1 (2017-06-23)

See code changes.

Fixed

  • Fix backend database in-memory index corruption issue on restore (only 3.2.0 is affected)
  • Fix gRPC gateway Txn marshaling issue
  • Fix backend database size debugging metrics

v3.2.0 (2017-06-09)

See code changes. See upgrade 3.2.

Improved

  • Improve backend read concurrency

Added

  • Embedded etcd
    • Etcd.Peers field is now []*peerListener
  • RPCs
    • Add Election, Lock service
  • Native client etcdserver/api/v3client
    • client "embedded" in the server
  • gRPC proxy
    • Proxy endpoint discovery
    • Namespaces
    • Coalesce lease requests
  • v3 client
    • STM prefetching
    • Add namespace feature
    • Add ErrOldCluster with server version checking
    • Translate WithPrefix() into WithFromKey() for empty key
  • v3 etcdctl
    • Add check perf command
    • Add --from-key flag to role grant-permission command
    • lock command takes an optional command to execute
  • etcd flags
    • Add --enable-v2 flag to configure v2 backend (enabled by default)
    • Add --auth-token flag
  • etcd gateway
    • Support DNS SRV priority
  • Auth
    • Support Watch API
    • JWT tokens
  • Logging, monitoring
    • Server warns large snapshot operations
    • Add etcd_debugging_server_lease_expired_total metrics
  • Security
    • Deny incoming peer certs with wrong IP SAN
    • Resolve TLS DNSNames when SAN checking
    • Reload TLS certificates on every client connection
  • Release
    • Annotate acbuild with supports-systemd-notify
    • Add nsswitch.conf to Docker container image
    • Add ppc64le, arm64(experimental) builds
    • Compile with Go 1.8.3

Changed

  • v3 client
    • LeaseTimeToLive returns TTL=-1 resp on lease not found
    • clientv3.NewFromConfigFile is moved to clientv3/yaml.NewConfig
    • concurrency package's elections updated to match RPC interfaces
    • let client dial endpoints not in the balancer
  • Dependencies
    • Update gRPC to v1.2.1
    • Update grpc-gateway to v1.2.0

Fixed

  • Allow v2 snapshot over 512MB

v3.1.9 (2017-06-09)

See code changes.

Fixed

  • Allow v2 snapshot over 512MB

v3.1.8 (2017-05-19)

See code changes.

v3.1.7 (2017-04-28)

See code changes.

v3.1.6 (2017-04-19)

See code changes.

Changed

  • Remove auth check in Status API

Fixed

  • Fill in Auth API response header

v3.1.5 (2017-03-27)

See code changes.

Added

  • Add /etc/nsswitch.conf file to alpine-based Docker image

Fixed

  • Fix raft memory leak issue
  • Fix Windows file path issues

v3.1.4 (2017-03-22)

See code changes.

v3.1.3 (2017-03-10)

See code changes.

Changed

  • Use machine default host when advertise URLs are default values(localhost:2379,2380) AND if listen URL is 0.0.0.0

Fixed

  • Fix etcd gateway schema handling in DNS discovery
  • Fix sd_notify behaviors in gateway, grpc-proxy

v3.1.2 (2017-02-24)

See code changes.

Changed

  • Use IPv4 default host, by default (when IPv4 and IPv6 are available)

Fixed

  • Fix etcd gateway with multiple endpoints

v3.1.1 (2017-02-17)

See code changes.

Changed

  • Compile with Go 1.7.5

v2.3.8 (2017-02-17)

See code changes.

Changed

  • Compile with Go 1.7.5

v3.1.0 (2017-01-20)

See code changes. See upgrade 3.1.

Improved

  • Faster linearizable reads (implements Raft read-index)
  • v3 authentication API is now stable

Added

  • Automatic leadership transfer when leader steps down
  • etcd flags
    • --strict-reconfig-check flag is set by default
    • Add --log-output flag
    • Add --metrics flag
  • v3 client
    • Add SetEndpoints method; update endpoints at runtime
    • Add Sync method; auto-update endpoints at runtime
    • Add Lease TimeToLive API; fetch lease information
    • replace Config.Logger field with global logger
    • Get API responses are sorted in ascending order by default
  • v3 etcdctl
    • Add lease timetolive command
    • Add --print-value-only flag to get command
    • Add --dest-prefix flag to make-mirror command
    • command get responses are sorted in ascending order by default
  • recipes now conform to sessions defined in clientv3/concurrency
  • ACI has symlinks to /usr/local/bin/etcd*
  • experimental gRPC proxy feature

Changed

  • etcd uses default route IP if advertise URL is not given
  • Cluster rejects removing members if quorum will be lost
  • SRV records (e.g., infra1.example.com) must match the discovery domain (i.e., example.com) if no custom certificate authority is given
    • TLSConfig ServerName is ignored with user-provided certificates for backwards compatibility; to be deprecated in 3.2
  • Discovery now has upper limit for waiting on retries
  • Warn on binding listeners through domain names; to be deprecated in 3.2

v3.0.16 (2016-11-13)

See code changes.

v3.0.15 (2016-11-11)

See code changes.

Fixed

  • Fix cancel watch request with wrong range end

v3.0.14 (2016-11-04)

See code changes.

Added

  • v3 etcdctl migrate command now supports --no-ttl flag to discard keys on transform

v3.0.13 (2016-10-24)

See code changes.

v3.0.12 (2016-10-07)

See code changes.

v3.0.11 (2016-10-07)

See code changes.

Added

  • Server returns previous key-value (optional)
    • clientv3.WithPrevKV option
    • v3 etcdctl put,watch,del --prev-kv flag

v3.0.10 (2016-09-23)

See code changes.

v3.0.9 (2016-09-15)

See code changes.

Added

  • Warn on domain names on listen URLs (v3.2 will reject domain names)

v3.0.8 (2016-09-09)

See code changes.

Changed

  • Allow only IP addresses in listen URLs (domain names are rejected)

v3.0.7 (2016-08-31)

See code changes.

Changed

  • SRV records only allow A records (RFC 2052)

v3.0.6 (2016-08-19)

See code changes.

v3.0.5 (2016-08-19)

See code changes.

Changed

  • SRV records (e.g., infra1.example.com) must match the discovery domain (i.e., example.com) if no custom certificate authority is given

v3.0.4 (2016-07-27)

See code changes.

Changed

  • v2 auth can now use common name from TLS certificate when --client-cert-auth is enabled

Added

  • v2 etcdctl ls command now supports --output=json
  • Add /var/lib/etcd directory to etcd official Docker image

v3.0.3 (2016-07-15)

See code changes.

Changed

  • Revert Dockerfile to use CMD, instead of ENTRYPOINT, to support etcdctl run
    • Docker commands for v3.0.2 won't work without specifying executable binary paths
  • v3 etcdctl default endpoints are now 127.0.0.1:2379

v3.0.2 (2016-07-08)

See code changes.

Changed

  • Dockerfile uses ENTRYPOINT, instead of CMD, to run etcd without binary path specified

v3.0.1 (2016-07-01)

See code changes.

v3.0.0 (2016-06-30)

See code changes. See upgrade 3.0.