zitadel/internal/cache/connector/connector.go
Tim Möhlmann 250f2344c8
feat(cache): redis cache (#8822)
# Which Problems Are Solved

Add a cache implementation using Redis single mode. This does not add
support for Redis Cluster or sentinel.

# How the Problems Are Solved

Added the `internal/cache/redis` package. All operations occur
atomically, including setting of secondary indexes, using LUA scripts
where needed.

The [`miniredis`](https://github.com/alicebob/miniredis) package is used
to run unit tests.

# Additional Changes

- Move connector code to `internal/cache/connector/...` and remove
duplicate code from `query` and `command` packages.
- Fix a missed invalidation on the restrictions projection

# Additional Context

Closes #8130
2024-11-04 10:44:51 +00:00

70 lines
2.3 KiB
Go

// Package connector provides glue between the [cache.Cache] interface and implementations from the connector sub-packages.
package connector
import (
"context"
"fmt"
"github.com/zitadel/zitadel/internal/cache"
"github.com/zitadel/zitadel/internal/cache/connector/gomap"
"github.com/zitadel/zitadel/internal/cache/connector/noop"
"github.com/zitadel/zitadel/internal/cache/connector/pg"
"github.com/zitadel/zitadel/internal/cache/connector/redis"
"github.com/zitadel/zitadel/internal/database"
)
type CachesConfig struct {
Connectors struct {
Memory gomap.Config
Postgres pg.Config
Redis redis.Config
}
Instance *cache.Config
Milestones *cache.Config
}
type Connectors struct {
Config CachesConfig
Memory *gomap.Connector
Postgres *pg.Connector
Redis *redis.Connector
}
func StartConnectors(conf *CachesConfig, client *database.DB) (Connectors, error) {
if conf == nil {
return Connectors{}, nil
}
return Connectors{
Config: *conf,
Memory: gomap.NewConnector(conf.Connectors.Memory),
Postgres: pg.NewConnector(conf.Connectors.Postgres, client),
Redis: redis.NewConnector(conf.Connectors.Redis),
}, nil
}
func StartCache[I ~int, K ~string, V cache.Entry[I, K]](background context.Context, indices []I, purpose cache.Purpose, conf *cache.Config, connectors Connectors) (cache.Cache[I, K, V], error) {
if conf == nil || conf.Connector == cache.ConnectorUnspecified {
return noop.NewCache[I, K, V](), nil
}
if conf.Connector == cache.ConnectorMemory && connectors.Memory != nil {
c := gomap.NewCache[I, K, V](background, indices, *conf)
connectors.Memory.Config.StartAutoPrune(background, c, purpose)
return c, nil
}
if conf.Connector == cache.ConnectorPostgres && connectors.Postgres != nil {
c, err := pg.NewCache[I, K, V](background, purpose, *conf, indices, connectors.Postgres)
if err != nil {
return nil, fmt.Errorf("start cache: %w", err)
}
connectors.Postgres.Config.AutoPrune.StartAutoPrune(background, c, purpose)
return c, nil
}
if conf.Connector == cache.ConnectorRedis && connectors.Redis != nil {
db := connectors.Redis.Config.DBOffset + int(purpose)
c := redis.NewCache[I, K, V](*conf, connectors.Redis, db, indices)
return c, nil
}
return nil, fmt.Errorf("cache connector %q not enabled", conf.Connector)
}