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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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10
models/migrations/migrations.go
View file

@ -8,6 +8,7 @@ import (
"context"
"fmt"
"forgejo.org/models/db"
"forgejo.org/models/forgejo_migrations"
"forgejo.org/models/migrations/v1_10"
"forgejo.org/models/migrations/v1_11"
@ -510,3 +511,12 @@ Please try upgrading to a lower version first (suggested v1.6.4), then upgrade t
// Execute Forgejo specific migrations.
return forgejo_migrations.Migrate(x)
}
// WrapperMigrate is a wrapper for Migrate to be called in diagnostics
func WrapperMigrate(e db.Engine) error {
engine, err := db.GetMasterEngine(e)
if err != nil {
return err
}
return Migrate(engine)
}