Files
tidb/tools/tazel/main.go

79 lines
2.2 KiB
Go

// Copyright 2023 PingCAP, Inc.
//
// 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 main
import (
"errors"
"io/fs"
"os"
"path/filepath"
"strconv"
"github.com/bazelbuild/buildtools/build"
"github.com/pingcap/log"
"go.uber.org/zap"
)
const maxShardCount = 50
func main() {
initCount()
walk()
if _, err := os.Stat("WORKSPACE"); errors.Is(err, os.ErrNotExist) {
log.Fatal("It should run from the project root")
}
err := filepath.Walk(".", func(path string, d fs.FileInfo, _ error) error {
if d.IsDir() || d.Name() != "BUILD.bazel" || skipTazel(path) {
return nil
}
data, err := os.ReadFile(path)
if err != nil {
log.Fatal("fail to read file", zap.Error(err), zap.String("path", path))
}
buildfile, err := build.ParseBuild(d.Name(), data)
if err != nil {
log.Fatal("fail to parser BUILD.bazel", zap.Error(err), zap.String("path", path))
}
gotest := buildfile.Rules("go_test")
if len(gotest) != 0 {
if gotest[0].AttrString("timeout") == "" {
gotest[0].SetAttr("timeout", &build.StringExpr{Value: "short"})
}
if !skipFlaky(path) && gotest[0].AttrLiteral("flaky") == "" {
gotest[0].SetAttr("flaky", &build.LiteralExpr{Token: "True"})
}
if !skipShardCount(path) {
abspath, err := filepath.Abs(path)
if err != nil {
return err
}
if cnt, ok := testMap[filepath.Dir(abspath)]; ok {
if cnt > 1 {
gotest[0].SetAttr("shard_count",
&build.LiteralExpr{Token: strconv.FormatUint(uint64(min(cnt, maxShardCount)), 10)})
} else {
gotest[0].DelAttr("shard_count")
}
}
}
}
write(path, buildfile)
return nil
})
if err != nil {
log.Fatal("fail to filepath.Walk", zap.Error(err))
}
}