Rework actions to be loaded dynamically

internal/dis/component/server/admin/socket/actions/rebuild.go

@@ -0,0 +1,39 @@
+package actions
+
+import (
+	"context"
+	"encoding/json"
+	"io"
+
+	"github.com/FAU-CDI/wisski-distillery/internal/dis/component"
+	"github.com/FAU-CDI/wisski-distillery/internal/dis/component/auth/scopes"
+	"github.com/FAU-CDI/wisski-distillery/internal/models"
+	"github.com/FAU-CDI/wisski-distillery/internal/wisski"
+)
+
+type Rebuild struct {
+	component.Base
+}
+
+var (
+	_ WebsocketInstanceAction = (*Rebuild)(nil)
+)
+
+func (*Rebuild) Action() InstanceAction {
+	return InstanceAction{
+		Action: Action{
+			Name:      "rebuild",
+			Scope:     scopes.ScopeUserAdmin,
+			NumParams: 1,
+		},
+	}
+}
+
+func (r *Rebuild) Act(ctx context.Context, instance *wisski.WissKI, in io.Reader, out io.Writer, params ...string) error {
+	// read the flags of the instance to be provisioned
+	var system models.System
+	if err := json.Unmarshal([]byte(params[0]), &system); err != nil {
+		return err
+	}
+	return instance.SystemManager().Apply(ctx, out, system, true)
+}