milo/buildsource/buildbucket/common.go

// Copyright 2016 The LUCI Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package buildbucket

import (
	"context"
	"fmt"
	"net/http"
	"time"

	"go.chromium.org/luci/common/api/buildbucket/swarmbucket/v1"
	"go.chromium.org/luci/server/auth"
)

const bbRPCTimeout = time.Minute - time.Second

func newSwarmbucketClient(ctx context.Context, server string) (*swarmbucket.Service, error) {
	// TODO(crbug/1006920): Do not leak the cancel context.
	ctx, _ = context.WithTimeout(ctx, bbRPCTimeout)
	t, err := auth.GetRPCTransport(ctx, auth.AsUser)
	if err != nil {
		return nil, err
	}
	client, err := swarmbucket.New(&http.Client{Transport: t})
	if err != nil {
		return nil, err
	}
	client.BasePath = fmt.Sprintf("https://%s/_ah/api/swarmbucket/v1/", server)
	return client, nil
}