CHANGELOG: clean up, add auth/flag changes

Signed-off-by: Gyuho Lee <[email protected]>
etcd-io · Mar 2, 2018 · 3f3425a · 3f3425a
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diff --git a/CHANGELOG-3.2.md b/CHANGELOG-3.2.md
@@ -4,11 +4,11 @@
 
 See [code changes](https://github.com/coreos/etcd/compare/v3.2.16...v3.2.17) and [v3.2 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_2.md) for any breaking changes.
 
-### Fixed(v2)
+### Fixed: v2
 
 - Fix [v2 proxy leaky HTTP requests](https://github.com/coreos/etcd/pull/9336).
 
-### Fixed(v3)
+### Fixed: v3
 
 - Fix [server panic on invalid Election Proclaim/Resign HTTP(S) requests](https://github.com/coreos/etcd/pull/9379).
   - Previously, wrong-formatted HTTP requests to Election API could trigger panic in etcd server.
@@ -24,7 +24,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.2.16...v3.2.17) and
 
 See [code changes](https://github.com/coreos/etcd/compare/v3.2.15...v3.2.16) and [v3.2 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_2.md) for any breaking changes.
 
-### Fixed(v3)
+### Fixed: v3
 
 - Fix [`mvcc` "unsynced" watcher restore operation](https://github.com/coreos/etcd/pull/9297).
   - "unsynced" watcher is watcher that needs to be in sync with events that have happened.
@@ -74,7 +74,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.2.11...v3.2.12) and
 
 - Fix [error message of `Revision` compactor](https://github.com/coreos/etcd/pull/8999) in server-side.
 
-### Added(`etcd/clientv3`)
+### Added: `clientv3`
 
 - Add [`MaxCallSendMsgSize` and `MaxCallRecvMsgSize`](https://github.com/coreos/etcd/pull/9047) fields to [`clientv3.Config`](https://godoc.org/github.com/coreos/etcd/clientv3#Config).
   - Fix [exceeded response size limit error in client-side](https://github.com/coreos/etcd/issues/9043).

diff --git a/CHANGELOG-3.3.md b/CHANGELOG-3.3.md
@@ -4,11 +4,11 @@
 
 See [code changes](https://github.com/coreos/etcd/compare/v3.3.1...v3.3.2) and [v3.3 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_3.md) for any breaking changes.
 
-### Fixed(v2)
+### Fixed: v2
 
 - Fix [v2 proxy leaky HTTP requests](https://github.com/coreos/etcd/pull/9336).
 
-### Fixed(v3)
+### Fixed: v3
 
 - Fix [server panic on invalid Election Proclaim/Resign HTTP(S) requests](https://github.com/coreos/etcd/pull/9379).
   - Previously, wrong-formatted HTTP requests to Election API could trigger panic in etcd server.
@@ -28,7 +28,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.3.0...v3.3.1) and [
 - Add [warnings on requests taking too long](https://github.com/coreos/etcd/pull/9288).
   - e.g. `etcdserver: read-only range request "key:\"\\000\" range_end:\"\\000\" " took too long [3.389041388s] to execute`
 
-### Fixed(v3)
+### Fixed: v3
 
 - Fix [`mvcc` "unsynced" watcher restore operation](https://github.com/coreos/etcd/pull/9281).
   - "unsynced" watcher is watcher that needs to be in sync with events that have happened.
@@ -80,7 +80,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.2.0...v3.3.0-rc.0)
     - v3.2 error: `--initial-cluster must include s1=https://s1.test:2380 given --initial-advertise-peer-urls=https://s1.test:2380`.
     - v3.3 error: `failed to resolve https://s1.test:2380 to match --initial-cluster=s1=https://s1.test:2380 (failed to resolve "https://s1.test:2380" (error ...))`.
 
-### Changed(Breaking Changes)
+### Breaking Changes
 
 - Require [Go 1.9+](https://github.com/coreos/etcd/issues/6174).
   - Compile with *Go 1.9.3*.
@@ -97,7 +97,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.2.0...v3.3.0-rc.0)
 - v3 `etcdctl` [`lease timetolive LEASE_ID`](https://github.com/coreos/etcd/issues/9028) on expired lease now prints [`"lease LEASE_ID already expired"`](https://github.com/coreos/etcd/pull/9047).
   - <=3.2 prints `"lease LEASE_ID granted with TTL(0s), remaining(-1s)"`.
 
-### Added(`etcd`)
+### Added: `etcd`
 
 - Add [`--experimental-enable-v2v3`](https://github.com/coreos/etcd/pull/8407) flag to [emulate v2 API with v3](https://github.com/coreos/etcd/issues/6925).
 - Add [`--experimental-corrupt-check-time`](https://github.com/coreos/etcd/pull/8420) flag to [raise corrupt alarm monitoring](https://github.com/coreos/etcd/issues/7125).
@@ -132,15 +132,15 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.2.0...v3.3.0-rc.0)
   - Address [error on shadowed environment variables](https://github.com/coreos/etcd/issues/8380).
   - etcd `v3.4` will exit on this error.
 
-### Added(API)
+### Added: API
 
 - Support [ranges in transaction comparisons](https://github.com/coreos/etcd/pull/8025) for [disconnected linearized reads](https://github.com/coreos/etcd/issues/7924).
 - Add [nested transactions](https://github.com/coreos/etcd/pull/8102) to extend [proxy use cases](https://github.com/coreos/etcd/issues/7857).
 - Add [lease comparison target in transaction](https://github.com/coreos/etcd/pull/8324).
 - Add [lease list](https://github.com/coreos/etcd/pull/8358).
 - Add [hash by revision](https://github.com/coreos/etcd/pull/8263) for [better corruption checking against boltdb](https://github.com/coreos/etcd/issues/8016).
 
-### Added(`etcd/clientv3`)
+### Added: `clientv3`
 
 - Add [health balancer](https://github.com/coreos/etcd/pull/8545) to fix [watch API hangs](https://github.com/coreos/etcd/issues/7247), improve [endpoint switch under network faults](https://github.com/coreos/etcd/issues/7941).
 - [Refactor balancer](https://github.com/coreos/etcd/pull/8840) and add [client-side keepalive pings](https://github.com/coreos/etcd/pull/8199) to handle [network partitions](https://github.com/coreos/etcd/issues/8711).
@@ -157,11 +157,11 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.2.0...v3.3.0-rc.0)
 - Add [`Leases`](https://github.com/coreos/etcd/pull/8358) to `Lease`.
 - Add [`clientv3/ordering`](https://github.com/coreos/etcd/pull/8092) for enforce [ordering in serialized requests](https://github.com/coreos/etcd/issues/7623).
 
-### Added(v2 `etcdctl`)
+### Added: v2 `etcdctl`
 
 - Add [`backup --with-v3`](https://github.com/coreos/etcd/pull/8479) flag.
 
-### Added(v3 `etcdctl`)
+### Added: v3 `etcdctl`
 
 - Add [`--discovery-srv`](https://github.com/coreos/etcd/pull/8462) flag.
 - Add [`--keepalive-time`, `--keepalive-timeout`](https://github.com/coreos/etcd/pull/8663) flags.
@@ -183,7 +183,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.2.0...v3.3.0-rc.0)
 - Print [`"del"` instead of `"delete"`](https://github.com/coreos/etcd/pull/8297) in `txn` interactive mode.
 - Print [`ETCD_INITIAL_ADVERTISE_PEER_URLS` in `member add`](https://github.com/coreos/etcd/pull/8332).
 
-### Added(metrics)
+### Added: metrics
 
 - Add [`etcd --listen-metrics-urls`](https://github.com/coreos/etcd/pull/8242) flag for additional `/metrics` endpoints.
   - Useful for [bypassing critical APIs when monitoring etcd](https://github.com/coreos/etcd/issues/8060).
@@ -195,7 +195,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.2.0...v3.3.0-rc.0)
 - Document [Prometheus 2.0 rules](https://github.com/coreos/etcd/pull/8879).
 - Initialize gRPC server [metrics with zero values](https://github.com/coreos/etcd/pull/8878).
 
-### Added(`grpc-proxy`)
+### Added: `grpc-proxy`
 
 - Add [`grpc-proxy start --experimental-leasing-prefix`](https://github.com/coreos/etcd/pull/8341) flag.
   - For disconnected linearized reads.
@@ -210,7 +210,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.2.0...v3.3.0-rc.0)
 - Add [`grpc-proxy start --max-send-bytes`](https://github.com/coreos/etcd/pull/9250) flag to [configure maximum client request size](https://github.com/coreos/etcd/issues/7923).
 - Add [`grpc-proxy start --max-recv-bytes`](https://github.com/coreos/etcd/pull/9250) flag to [configure maximum client request size](https://github.com/coreos/etcd/issues/7923).
 
-### Added(gRPC gateway)
+### Added: gRPC gateway (HTTP endpoints for v3)
 
 - Replace [gRPC gateway](https://github.com/grpc-ecosystem/grpc-gateway) endpoint with [`/v3beta`](https://github.com/coreos/etcd/pull/8880).
   - To deprecate [`/v3alpha`](https://github.com/coreos/etcd/issues/8125) in `v3.4`.
@@ -225,7 +225,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.2.0...v3.3.0-rc.0)
   - To implement [Raft thesis 4.2.1 Catching up new servers](https://github.com/coreos/etcd/issues/8568).
   - `Learner` node does not vote or promote itself.
 
-### Added/Fixed(Security/Auth)
+### Security, Authentication
 
 - Add [CRL based connection rejection](https://github.com/coreos/etcd/pull/8124) to manage [revoked certs](https://github.com/coreos/etcd/issues/4034).
 - Document [TLS authentication changes](https://github.com/coreos/etcd/pull/8895).
@@ -240,12 +240,12 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.2.0...v3.3.0-rc.0)
 - Fix [auth store panic with disabled token](https://github.com/coreos/etcd/pull/8695).
 - Update `golang.org/x/crypto/bcrypt` (see [golang/crypto@6c586e1](https://github.com/golang/crypto/commit/6c586e17d90a7d08bbbc4069984180dce3b04117)).
 
-### Fixed(v2)
+### Fixed: v2
 
 - [Fail-over v2 client](https://github.com/coreos/etcd/pull/8519) to next endpoint on [oneshot failure](https://github.com/coreos/etcd/issues/8515).
 - [Put back `/v2/machines`](https://github.com/coreos/etcd/pull/8062) endpoint for python-etcd wrapper.
 
-### Fixed(v3)
+### Fixed: v3
 
 - Fix [range/put/delete operation metrics](https://github.com/coreos/etcd/pull/8054) with transaction.
   - `etcd_debugging_mvcc_range_total`

diff --git a/CHANGELOG-3.4.md b/CHANGELOG-3.4.md
@@ -20,7 +20,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.3.0...v3.4.0) and [
   - For instance, a flaky(or rejoining) member may drop in and out, and start campaign. This member will end up with a higher term, and ignore all incoming messages with lower term. In this case, a new leader eventually need to get elected, thus disruptive to cluster availability. Raft implements Pre-Vote phase to prevent this kind of disruptions. If enabled, Raft runs an additional phase of election to check if pre-candidate can get enough votes to win an election.
 - Make [Lease `Lookup` non-blocking with concurrent `Grant`/`Revoke`](https://github.com/coreos/etcd/pull/9229).
 
-### Changed(Breaking Changes)
+### Breaking Changes
 
 - Drop [ACIs from official release](https://github.com/coreos/etcd/pull/9059).
   - [AppC was officially suspended](https://github.com/appc/spec#-disclaimer-), as of late 2016.
@@ -30,28 +30,35 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.3.0...v3.4.0) and [
   - Address [advertise client URLs accepts empty hosts](https://github.com/coreos/etcd/issues/8379).
   - e.g. exit with error on `--advertise-client-urls=http://:2379`.
   - e.g. exit with error on `--initial-advertise-peer-urls=http://:2380`.
-- Exit on [shadowed environment variables](TODO).
+- Exit on [shadowed environment variables](https://github.com/coreos/etcd/pull/9382).
   - Address [error on shadowed environment variables](https://github.com/coreos/etcd/issues/8380).
+  - e.g. exit with error on `ETCD_NAME=abc etcd --name=def`.
   - e.g. exit with error on `ETCD_INITIAL_CLUSTER_TOKEN=abc etcd --initial-cluster-token=def`.
-- Migrate dependency management tool from `glide` to [`golang/dep`](https://github.com/coreos/etcd/pull/9155).
-  - <= 3.3 puts `vendor` directory under `cmd/vendor` directory to [prevent conflicting transitive dependencies](https://github.com/coreos/etcd/issues/4913).
-  - 3.4 moves `cmd/vendor` directory to `vendor` at repository root.
-  - Remove recursive symlinks in `cmd` directory.
-  - Now `go get/install/build` on `etcd` packages (e.g. `clientv3`, `tools/benchmark`) enforce builds with etcd `vendor` directory.
+  - e.g. exit with error on `ETCDCTL_ENDPOINTS=abc.com ETCDCTL_API=3 etcdctl endpoint health --endpoints=def.com`.
 - Move `"github.com/coreos/etcd/snap"` to [`"github.com/coreos/etcd/raftsnap"`](https://github.com/coreos/etcd/pull/9211).
 - Move `"github.com/coreos/etcd/etcdserver/auth"` to [`"github.com/coreos/etcd/etcdserver/v2auth"`](https://github.com/coreos/etcd/pull/9275).
 - Move `"github.com/coreos/etcd/error"` to [`"github.com/coreos/etcd/etcdserver/v2error"`](https://github.com/coreos/etcd/pull/9274).
 - Move `"github.com/coreos/etcd/store"` to [`"github.com/coreos/etcd/etcdserver/v2store"`](https://github.com/coreos/etcd/pull/9274).
 - Change v3 `etcdctl snapshot` exit codes with [`snapshot` package](https://github.com/coreos/etcd/pull/9118/commits/df689f4280e1cce4b9d61300be13ca604d41670a).
   - Exit on error with exit code 1 (no more exit code 5 or 6 on `snapshot save/restore` commands).
 - Require Go 1.10+.
+- Migrate dependency management tool from `glide` to [`golang/dep`](https://github.com/coreos/etcd/pull/9155).
+  - <= 3.3 puts `vendor` directory under `cmd/vendor` directory to [prevent conflicting transitive dependencies](https://github.com/coreos/etcd/issues/4913).
+  - 3.4 moves `cmd/vendor` directory to `vendor` at repository root.
+  - Remove recursive symlinks in `cmd` directory.
+  - Now `go get/install/build` on `etcd` packages (e.g. `clientv3`, `tools/benchmark`) enforce builds with etcd `vendor` directory.
 
-### Added(`etcd`)
+### Added: `etcd`
 
 - Add [`--discovery-srv-name`](https://github.com/coreos/etcd/pull/8690) flag to support custom DNS SRV name with discovery.
   - If not given, etcd queries `_etcd-server-ssl._tcp.[YOUR_HOST]` and `_etcd-server._tcp.[YOUR_HOST]`.
   - If `--discovery-srv-name="foo"`, then query `_etcd-server-ssl-foo._tcp.[YOUR_HOST]` and `_etcd-server-foo._tcp.[YOUR_HOST]`.
   - Useful for operating multiple etcd clusters under the same domain.
+- Define [`embed.CompactorModePeriodic`](https://godoc.org/github.com/coreos/etcd/embed#pkg-variables) for `compactor.ModePeriodic`.
+- Define [`embed.CompactorModeRevision`](https://godoc.org/github.com/coreos/etcd/embed#pkg-variables) for `compactor.ModeRevision`.
+
+### Security, Authentication
+
 - Add [`--host-whitelist`](https://github.com/coreos/etcd/pull/9372) flag, [`etcdserver.Config.HostWhitelist`](https://github.com/coreos/etcd/pull/9372), and [`embed.Config.HostWhitelist`](https://github.com/coreos/etcd/pull/9372), to prevent ["DNS Rebinding"](https://en.wikipedia.org/wiki/DNS_rebinding) attack.
   - Any website can simply create an authorized DNS name, and direct DNS to `"localhost"` (or any other address). Then, all HTTP endpoints of etcd server listening on `"localhost"` becomes accessible, thus vulnerable to [DNS rebinding attacks (CVE-2018-5702)](https://bugs.chromium.org/p/project-zero/issues/detail?id=1447#c2).
   - Client origin enforce policy works as follow:
@@ -61,10 +68,11 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.3.0...v3.4.0) and [
   - Note that the client origin policy is enforced whether authentication is enabled or not, for tighter controls.
   - When specifying hostnames, loopback addresses are not added automatically. To allow loopback interfaces, add them to whitelist manually (e.g. `"localhost"`, `"127.0.0.1"`, etc.).
   - e.g. `etcd --host-whitelist example.com`, then the server will reject all HTTP requests whose Host field is not `example.com` (also rejects requests to `"localhost"`).
-- Define `embed.CompactorModePeriodic` for `compactor.ModePeriodic`.
-- Define `embed.CompactorModeRevision` for `compactor.ModeRevision`.
+- Support `ttl` field for `etcd` Authentication JWT token.
+  - e.g. `etcd --auth-token jwt,pub-key=<pub key path>,priv-key=<priv key path>,sign-method=<sign method>,ttl=5m`.
+- Allow empty token provider in [`etcdserver.ServerConfig.AuthToken`](https://github.com/coreos/etcd/pull/9369).
 
-### Added(API)
+### Added: API
 
 - Add [`snapshot`](https://github.com/coreos/etcd/pull/9118) package for snapshot restore/save operations.
 - Add [`watch_id` field to `etcdserverpb.WatchCreateRequest`](https://github.com/coreos/etcd/pull/9065), allow user-provided watch ID to `mvcc`.
@@ -74,19 +82,19 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.3.0...v3.4.0) and [
   - e.g. `"etcdserver: no leader", "NOSPACE", "CORRUPT"`
 - Add [`dbSizeInUse` field to `etcdserverpb.StatusResponse`](https://github.com/coreos/etcd/pull/9256) for actual DB size after compaction.
 
-### Added(v3 `etcdctl`)
+### Added: v3 `etcdctl`
 
 - Add [`check datascale`](https://github.com/coreos/etcd/pull/9185) command.
 - Add [`check datascale --auto-compact, --auto-defrag`](https://github.com/coreos/etcd/pull/9351) flags.
 - Add [`check perf --auto-compact, --auto-defrag`](https://github.com/coreos/etcd/pull/9330) flags.
 - Add ["raft applied index" field to `endpoint status`](https://github.com/coreos/etcd/pull/9176).
 - Add ["errors" field to `endpoint status`](https://github.com/coreos/etcd/pull/9206).
 
-### Added(metrics)
+### Added: metrics
 
 - Add [`etcd_debugging_mvcc_db_total_size_in_use_in_bytes`](https://github.com/coreos/etcd/pull/9256) Prometheus metric.
 
-### Added(gRPC gateway)
+### Added: gRPC gateway
 
 - Replace [gRPC gateway](https://github.com/grpc-ecosystem/grpc-gateway) endpoint with [`/v3`](https://github.com/coreos/etcd/pull/9298).
   - To deprecate [`/v3beta`] in `v3.5`.
@@ -101,7 +109,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.3.0...v3.4.0) and [
   - Previously record `pendingConf` boolean field scanning the entire tail of the log, which can delay hearbeat send.
 - Fix [missing learner nodes on `(n *node) ApplyConfChange`](https://github.com/coreos/etcd/pull/9116).
 
-### Fixed(v3)
+### Fixed: v3
 
 - Fix [`mvcc` "unsynced" watcher restore operation](https://github.com/coreos/etcd/pull/9281).
   - "unsynced" watcher is watcher that needs to be in sync with events that have happened.
@@ -112,6 +120,6 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.3.0...v3.4.0) and [
   - Previously, wrong-formatted HTTP requests to Election API could trigger panic in etcd server.
   - e.g. `curl -L http://localhost:2379/v3/election/proclaim -X POST -d '{"value":""}'`, `curl -L http://localhost:2379/v3/election/resign -X POST -d '{"value":""}'`.
 - Fix [revision-based compaction retention parsing](https://github.com/coreos/etcd/pull/9339).
-  - Previously, `--auto-compaction-mode revision --auto-compaction-retention 1` was [translated to revision retention 3600000000000](https://github.com/coreos/etcd/issues/9337).
-  - Now, `--auto-compaction-mode revision --auto-compaction-retention 1` is correctly parsed as revision retention 1.
+  - Previously, `etcd --auto-compaction-mode revision --auto-compaction-retention 1` was [translated to revision retention 3600000000000](https://github.com/coreos/etcd/issues/9337).
+  - Now, `etcd --auto-compaction-mode revision --auto-compaction-retention 1` is correctly parsed as revision retention 1.
 - Enable etcd server [`raft.Config.CheckQuorum` when starting with `ForceNewCluster`](https://github.com/coreos/etcd/pull/9347).