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Documentation/upgrades: highlight wal, embed changes

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Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
This commit is contained in:
Gyuho Lee 2018-04-16 16:50:49 -07:00
parent c716bea43c
commit b7ce6b7265
2 changed files with 36 additions and 2 deletions
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2
CHANGELOG-3.4.md
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@ -67,7 +67,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.3.0...v3.4.0) and [
- Change [`wal` package function signatures](https://github.com/coreos/etcd/pull/9572) to support [structured logger and logging to file](https://github.com/coreos/etcd/issues/9438) in server-side.
- Previously, `Open(dirpath string, snap walpb.Snapshot) (*WAL, error)`, now `Open(lg *zap.Logger, dirpath string, snap walpb.Snapshot) (*WAL, error)`.
- Previously, `OpenForRead(dirpath string, snap walpb.Snapshot) (*WAL, error)`, now `OpenForRead(lg *zap.Logger, dirpath string, snap walpb.Snapshot) (*WAL, error)`.
- Previously, `Repair(dirpath string) bool` now `Repair(lg *zap.Logger, dirpath string) bool`.
- Previously, `Repair(dirpath string) bool`, now `Repair(lg *zap.Logger, dirpath string) bool`.
- Previously, `Create(dirpath string, metadata []byte) (*WAL, error)`, now `Create(lg *zap.Logger, dirpath string, metadata []byte) (*WAL, error)`.
- Remove [`embed.Config.SetupLogging`](https://github.com/coreos/etcd/pull/9572).
- Now logger is set up automatically based on [`embed.Config.Logger`, `embed.Config.LogOutput`, `embed.Config.Debug` fields](https://github.com/coreos/etcd/pull/9572).

36
Documentation/upgrades/upgrade_3_4.md
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@ -26,7 +26,7 @@ Highlighted breaking changes in 3.4.
+etcd --peer-trusted-ca-file ca-peer.crt
```
#### Change in ``pkg/transport`
#### Change in `pkg/transport`
Deprecated `pkg/transport.TLSInfo.CAFile` field.
@ -45,6 +45,40 @@ if err != nil {
}
```
#### Change in `wal`
Changed `wal` function signatures to support structured logger.
```diff
import "github.com/coreos/etcd/wal"
+import "go.uber.org/zap"
+lg, _ = zap.NewProduction()
-wal.Open(dirpath, snap)
+wal.Open(lg, dirpath, snap)
-wal.OpenForRead(dirpath, snap)
+wal.OpenForRead(lg, dirpath, snap)
-wal.Repair(dirpath)
+wal.Repair(lg, dirpath)
-wal.Create(dirpath, metadata)
+wal.Create(lg, dirpath, metadata)
```
#### Change in `embed.Etcd`
`embed.Config.SetupLogging` has been removed in order to prevent wrong logging configuration, and now set up automatically.
```diff
import "github.com/coreos/etcd/embed"
cfg := &embed.Config{Debug: false}
-cfg.SetupLogging()
```
### Server upgrade checklists
#### Upgrade requirements