mirror of
https://github.com/openimsdk/open-im-server.git
synced 2025-10-30 16:02:17 +08:00
320 lines
8.5 KiB
Go
320 lines
8.5 KiB
Go
// Copyright © 2023 OpenIM. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// do a fast type check of kubernetes code, for all platforms.
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package main
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import (
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"flag"
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"fmt"
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"io"
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"log"
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"os"
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"path/filepath"
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"sort"
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"strings"
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"sync"
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"time"
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"golang.org/x/tools/go/packages"
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)
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var (
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verbose = flag.Bool("verbose", false, "print more information")
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cross = flag.Bool("cross", true, "build for all platforms")
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platforms = flag.String("platform", "", "comma-separated list of platforms to typecheck")
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timings = flag.Bool("time", false, "output times taken for each phase")
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defuses = flag.Bool("defuse", false, "output defs/uses")
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serial = flag.Bool("serial", false, "don't type check platforms in parallel (equivalent to --parallel=1)")
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parallel = flag.Int("parallel", 2, "limits how many platforms can be checked in parallel. 0 means no limit.")
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skipTest = flag.Bool("skip-test", false, "don't type check test code")
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tags = flag.String("tags", "", "comma-separated list of build tags to apply in addition to go's defaults")
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ignoreDirs = flag.String("ignore-dirs", "", "comma-separated list of directories to ignore in addition to the default hardcoded list including staging, vendor, and hidden dirs")
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// When processed in order, windows and darwin are early to make
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// interesting OS-based errors happen earlier.
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crossPlatforms = []string{
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"linux/amd64", "windows/386",
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"darwin/amd64", "darwin/arm64",
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"linux/arm", "linux/386",
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"windows/amd64", "linux/arm64",
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"linux/ppc64le", "linux/s390x",
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"windows/arm64",
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}
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// directories we always ignore
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standardIgnoreDirs = []string{
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// Staging code is symlinked from vendor/k8s.io, and uses import
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// paths as if it were inside of vendor/. It fails typechecking
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// inside of staging/, but works when typechecked as part of vendor/.
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"staging",
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// OS-specific vendor code tends to be imported by OS-specific
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// packages. We recursively typecheck imported vendored packages for
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// each OS, but don't typecheck everything for every OS.
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"vendor",
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"_output",
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// This is a weird one. /testdata/ is *mostly* ignored by Go,
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// and this translates to kubernetes/vendor not working.
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// edit/record.go doesn't compile without gopkg.in/yaml.v2
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// in $GOSRC/$GOROOT (both typecheck and the shell script).
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"pkg/kubectl/cmd/testdata/edit",
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// Tools we use for maintaining the code base but not necessarily
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// ship as part of the release
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"hack/tools",
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}
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)
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func newConfig(platform string) *packages.Config {
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platSplit := strings.Split(platform, "/")
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goos, goarch := platSplit[0], platSplit[1]
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mode := packages.NeedName | packages.NeedFiles | packages.NeedTypes | packages.NeedSyntax | packages.NeedDeps | packages.NeedImports | packages.NeedModule
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if *defuses {
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mode = mode | packages.NeedTypesInfo
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}
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env := append(os.Environ(),
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"CGO_ENABLED=1",
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fmt.Sprintf("GOOS=%s", goos),
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fmt.Sprintf("GOARCH=%s", goarch))
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tagstr := "selinux"
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if *tags != "" {
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tagstr = tagstr + "," + *tags
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}
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flags := []string{"-tags", tagstr}
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return &packages.Config{
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Mode: mode,
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Env: env,
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BuildFlags: flags,
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Tests: !(*skipTest),
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}
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}
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type collector struct {
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dirs []string
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ignoreDirs []string
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}
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func newCollector(ignoreDirs string) collector {
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c := collector{
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ignoreDirs: append([]string(nil), standardIgnoreDirs...),
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}
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if ignoreDirs != "" {
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c.ignoreDirs = append(c.ignoreDirs, strings.Split(ignoreDirs, ",")...)
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}
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return c
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}
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func (c *collector) walk(roots []string) error {
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for _, root := range roots {
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err := filepath.Walk(root, c.handlePath)
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if err != nil {
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return err
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}
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}
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sort.Strings(c.dirs)
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return nil
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}
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// handlePath walks the filesystem recursively, collecting directories,
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// ignoring some unneeded directories (hidden/vendored) that are handled
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// specially later.
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func (c *collector) handlePath(path string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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if info.IsDir() {
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name := info.Name()
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// Ignore hidden directories (.git, .cache, etc)
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if (len(name) > 1 && (name[0] == '.' || name[0] == '_')) || name == "testdata" {
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if *verbose {
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fmt.Printf("DBG: skipping dir %s\n", path)
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}
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return filepath.SkipDir
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}
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for _, dir := range c.ignoreDirs {
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if path == dir {
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if *verbose {
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fmt.Printf("DBG: ignoring dir %s\n", path)
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}
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return filepath.SkipDir
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}
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}
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// Make dirs into relative pkg names.
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// NOTE: can't use filepath.Join because it elides the leading "./"
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pkg := path
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if !strings.HasPrefix(pkg, "./") {
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pkg = "./" + pkg
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}
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c.dirs = append(c.dirs, pkg)
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if *verbose {
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fmt.Printf("DBG: added dir %s\n", path)
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}
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}
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return nil
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}
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func (c *collector) verify(plat string) ([]string, error) {
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errors := []packages.Error{}
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start := time.Now()
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config := newConfig(plat)
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rootPkgs, err := packages.Load(config, c.dirs...)
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if err != nil {
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return nil, err
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}
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// Recursively import all deps and flatten to one list.
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allMap := map[string]*packages.Package{}
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for _, pkg := range rootPkgs {
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if *verbose {
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serialFprintf(os.Stdout, "pkg %q has %d GoFiles\n", pkg.PkgPath, len(pkg.GoFiles))
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}
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allMap[pkg.PkgPath] = pkg
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if len(pkg.Imports) > 0 {
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for _, imp := range pkg.Imports {
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if *verbose {
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serialFprintf(os.Stdout, "pkg %q imports %q\n", pkg.PkgPath, imp.PkgPath)
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}
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allMap[imp.PkgPath] = imp
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}
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}
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}
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keys := make([]string, 0, len(allMap))
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for k := range allMap {
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keys = append(keys, k)
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}
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sort.Strings(keys)
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allList := make([]*packages.Package, 0, len(keys))
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for _, k := range keys {
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allList = append(allList, allMap[k])
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}
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for _, pkg := range allList {
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if len(pkg.GoFiles) > 0 {
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if len(pkg.Errors) > 0 && (pkg.PkgPath == "main" || strings.Contains(pkg.PkgPath, ".")) {
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errors = append(errors, pkg.Errors...)
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}
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}
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if *defuses {
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for id, obj := range pkg.TypesInfo.Defs {
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serialFprintf(os.Stdout, "%s: %q defines %v\n",
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pkg.Fset.Position(id.Pos()), id.Name, obj)
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}
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for id, obj := range pkg.TypesInfo.Uses {
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serialFprintf(os.Stdout, "%s: %q uses %v\n",
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pkg.Fset.Position(id.Pos()), id.Name, obj)
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}
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}
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}
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if *timings {
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serialFprintf(os.Stdout, "%s took %.1fs\n", plat, time.Since(start).Seconds())
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}
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return dedup(errors), nil
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}
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func dedup(errors []packages.Error) []string {
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ret := []string{}
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m := map[string]bool{}
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for _, e := range errors {
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es := e.Error()
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if !m[es] {
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ret = append(ret, es)
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m[es] = true
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}
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}
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return ret
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}
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var outMu sync.Mutex
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func serialFprintf(w io.Writer, format string, a ...interface{}) (n int, err error) {
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outMu.Lock()
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defer outMu.Unlock()
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return fmt.Fprintf(w, format, a...)
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}
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func main() {
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flag.Parse()
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args := flag.Args()
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if *verbose {
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*serial = true // to avoid confusing interleaved logs
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}
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if len(args) == 0 {
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args = append(args, ".")
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}
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c := newCollector(*ignoreDirs)
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if err := c.walk(args); err != nil {
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log.Fatalf("Error walking: %v", err)
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}
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plats := crossPlatforms[:]
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if *platforms != "" {
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plats = strings.Split(*platforms, ",")
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} else if !*cross {
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plats = plats[:1]
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}
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var wg sync.WaitGroup
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var failMu sync.Mutex
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failed := false
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if *serial {
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*parallel = 1
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} else if *parallel == 0 {
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*parallel = len(plats)
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}
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throttle := make(chan int, *parallel)
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for _, plat := range plats {
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wg.Add(1)
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go func(plat string) {
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// block until there's room for this task
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throttle <- 1
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defer func() {
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// indicate this task is done
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<-throttle
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}()
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f := false
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serialFprintf(os.Stdout, "type-checking %s\n", plat)
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errors, err := c.verify(plat)
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if err != nil {
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serialFprintf(os.Stderr, "ERROR(%s): failed to verify: %v\n", plat, err)
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f = true
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} else if len(errors) > 0 {
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for _, e := range errors {
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// Special case CGo errors which may depend on headers we
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// don't have.
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if !strings.HasSuffix(e, "could not import C (no metadata for C)") {
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f = true
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serialFprintf(os.Stderr, "ERROR(%s): %s\n", plat, e)
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}
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}
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}
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failMu.Lock()
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failed = failed || f
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failMu.Unlock()
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wg.Done()
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}(plat)
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}
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wg.Wait()
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if failed {
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os.Exit(1)
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}
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} |