feat: assign task to runner

routers/api/bots/runner/unary.go

@@ -0,0 +1,48 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package runner
+
+import (
+	"context"
+	"strings"
+
+	"code.gitea.io/gitea/models/bots"
+
+	"github.com/bufbuild/connect-go"
+)
+
+var WithRunner = connect.WithInterceptors(connect.UnaryInterceptorFunc(func(unaryFunc connect.UnaryFunc) connect.UnaryFunc {
+	return func(ctx context.Context, request connect.AnyRequest) (connect.AnyResponse, error) {
+		if methodName(request) == "Register" {
+			return unaryFunc(ctx, request)
+		}
+		uuid := request.Header().Get("X-Runner-Token") // TODO: shouldn't be X-Runner-Token, maybe X-Runner-UUID
+		// TODO: get runner from db, refuse request if it doesn't exist
+		r := &bots.Runner{
+			UUID: uuid,
+		}
+		ctx = context.WithValue(ctx, runnerCtxKey{}, r)
+		return unaryFunc(ctx, request)
+	}
+}))
+
+func methodName(req connect.AnyRequest) string {
+	splits := strings.Split(req.Spec().Procedure, "/")
+	if len(splits) > 0 {
+		return splits[len(splits)-1]
+	}
+	return ""
+}
+
+type runnerCtxKey struct{}
+
+func GetRunner(ctx context.Context) *bots.Runner {
+	if v := ctx.Value(runnerCtxKey{}); v != nil {
+		if r, ok := v.(*bots.Runner); ok {
+			return r
+		}
+	}
+	return nil
+}