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Code Issues Releases Activity

feat: use XORM EngineGroup instead of single Engine connection (#7212)

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Resolves #7207

Add new configuration to make XORM work with a main and replicas database instances. The follow configuration parameters were added:

- `HOST_PRIMARY`
- `HOST_REPLICAS`
- `LOAD_BALANCE_POLICY`. Options:
    - `"WeightRandom"` -> `xorm.WeightRandomPolicy`
    - `"WeightRoundRobin`  -> `WeightRoundRobinPolicy`
    - `"LeastCon"` -> `LeastConnPolicy`
    - `"RoundRobin"` -> `xorm.RoundRobinPolicy()`
    - default: `xorm.RandomPolicy()`
- `LOAD_BALANCE_WEIGHTS`

Co-authored-by: pat-s <patrick.schratz@gmail.com@>
Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/7212
Reviewed-by: Gusted <gusted@noreply.codeberg.org>
Co-authored-by: pat-s <patrick.schratz@gmail.com>
Co-committed-by: pat-s <patrick.schratz@gmail.com>
This commit is contained in:
pat-s 2025-03-30 11:34:02 +00:00 • committed by Gusted
parent a23d0453a3
commit 63a80bf2b9
19 changed files with 463 additions and 129 deletions
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5
cmd/migrate_storage.go
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@ -23,6 +23,7 @@ import (
"forgejo.org/modules/storage"
"github.com/urfave/cli/v2"
"xorm.io/xorm"
)
// CmdMigrateStorage represents the available migrate storage sub-command.
@ -195,7 +196,9 @@ func runMigrateStorage(ctx *cli.Context) error {
log.Info("Log path: %s", setting.Log.RootPath)
log.Info("Configuration file: %s", setting.CustomConf)
if err := db.InitEngineWithMigration(context.Background(), migrations.Migrate); err != nil {
if err := db.InitEngineWithMigration(context.Background(), func(e db.Engine) error {
return migrations.Migrate(e.(*xorm.Engine))
}); err != nil {
log.Fatal("Failed to initialize ORM engine: %v", err)
return err
}