Add configuration of the storage backend

Signed-off-by: kolaente <k@knt.li>

pkg/config/config.go

@@ -124,6 +124,8 @@ const (
 	BackgroundsUnsplashEnabled       Key = `backgrounds.providers.unsplash.enabled`
 	BackgroundsUnsplashAccessToken   Key = `backgrounds.providers.unsplash.accesstoken`
 	BackgroundsUnsplashApplicationID Key = `backgrounds.providers.unsplash.applicationid`
+
+	KeyvalueType Key = `keyvalue.type`
 )
 
 // GetString returns a string config value
@@ -277,6 +279,8 @@ func InitDefaultConfig() {
 	BackgroundsEnabled.setDefault(true)
 	BackgroundsUploadEnabled.setDefault(true)
 	BackgroundsUnsplashEnabled.setDefault(false)
+	// Key Value
+	KeyvalueType.setDefault("memory")
 }
 
 // InitConfig initializes the config, sets defaults etc.

pkg/modules/keyvalue/keyvalue.go

@@ -18,7 +18,9 @@
 package keyvalue
 
 import (
+	"code.vikunja.io/api/pkg/config"
 	"code.vikunja.io/api/pkg/modules/keyvalue/memory"
+	"code.vikunja.io/api/pkg/modules/keyvalue/redis"
 )
 
 // Storage defines an interface for saving key-value pairs
@@ -32,7 +34,13 @@ var store Storage
 
 // InitStorage initializes the configured storage backend
 func InitStorage() {
-	store = memory.NewStorage()
+	switch config.KeyvalueType.GetString() {
+	case "redis":
+		store = redis.NewStorage()
+	case "memory":
+	default:
+		store = memory.NewStorage()
+	}
 }
 
 // Put puts a value in the storage backend