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main.go
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main.go
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// Copyright 2017 The Cockroach 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 main
import (
"bufio"
"bytes"
"fmt"
"go/build"
"io"
"log"
"os"
"os/exec"
"path"
"path/filepath"
"runtime"
"strings"
"time"
"github.com/pkg/errors"
"golang.org/x/net/context"
"golang.org/x/oauth2/google"
"golang.org/x/perf/storage"
"github.com/cockroachdb/cockroach/pkg/util/timeutil"
)
func main() {
if err := do(context.Background()); err != nil {
log.Fatal(err)
}
}
const storageURL = "https://perfdata.golang.org"
const numIterations = 5
const crdb = "github.com/cockroachdb/cockroach"
const serviceAccountJSONEnv = "SERVICE_ACCOUNT_JSON"
func do(ctx context.Context) error {
rootPkg, err := build.Import(crdb, "", 0)
if err != nil {
return errors.Wrap(err, "could not find repository root")
}
show, err := func() ([]byte, error) {
cmd := exec.CommandContext(ctx, "git", "show", "-s", "--format=%H%n%cI", "HEAD")
cmd.Dir = rootPkg.Dir
return cmd.Output()
}()
if err != nil {
return errors.Wrap(err, "could not determine commit hash and committer date")
}
parts := strings.Split(string(bytes.TrimSpace(show)), "\n")
if len(parts) != 2 {
return errors.Errorf("expected commit hash and committer date, got %s", show)
}
commit, commitTime := parts[0], parts[1]
data, ok := os.LookupEnv(serviceAccountJSONEnv)
if !ok {
return errors.Errorf("service account JSON environment variable %s is not set", serviceAccountJSONEnv)
}
conf, err := google.JWTConfigFromJSON([]byte(data), "https://www.googleapis.com/auth/userinfo.email")
if err != nil {
return errors.Wrap(err, "could not read service account JSON")
}
var buffers []bytes.Buffer
if len(os.Args) > 1 {
var outBuf, errBuf bytes.Buffer
cmd := exec.CommandContext(ctx, os.Args[0], os.Args[1:]...)
cmd.Stdout = &outBuf
cmd.Stderr = &errBuf
if err := cmd.Run(); err != nil {
return errors.Wrapf(err, "could not run %s: %s", cmd.Args, errBuf.String())
}
buffers = append(buffers, outBuf)
} else {
var err error
buffers, err = doBenchmarks(ctx, rootPkg)
if err != nil {
return err
}
}
client := storage.Client{
BaseURL: storageURL,
HTTPClient: conf.Client(ctx),
}
u := client.NewUpload(ctx)
if err := func() error {
for i := range buffers {
buffer := &buffers[i]
w, err := u.CreateFile(fmt.Sprintf("bench%02d.txt", i))
if err != nil {
return errors.Wrap(err, "could not create upload file")
}
if _, err := fmt.Fprintf(
w,
"commit: %s\ncommit-time: %s\nbranch: %s\niteration: %d\nstart-time: %s\n",
commit,
commitTime,
"master",
i,
timeutil.Now().UTC().Format(time.RFC3339),
); err != nil {
return errors.Wrapf(err, "could not write header on iteration %d", i)
}
if _, err := io.Copy(w, buffer); err != nil {
return errors.Wrapf(err, "could not write to upload file")
}
}
return nil
}(); err != nil {
if err := u.Abort(); err != nil {
log.Printf("could not abort upload: %s", err)
}
return errors.Wrap(err, "could not upload file")
}
if _, err := u.Commit(); err != nil {
return errors.Wrap(err, "could not commit upload")
}
return nil
}
func doBenchmarks(ctx context.Context, rootPkg *build.Package) ([]bytes.Buffer, error) {
findArgs := []string{".", "-type", "f", "-name", "*.test"}
// Find and delete the per-package *.test binaries; we'll be rebuilding
// them below.
{
cmd := exec.CommandContext(ctx, "find", append(findArgs, "-delete")...)
cmd.Dir = rootPkg.Dir
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Run(); err != nil {
return nil, errors.Wrap(err, "could not remove old test binaries")
}
}
// Rebuild the per-package *.test binaries.
{
typ := "release-" + runtime.GOOS
if strings.HasSuffix(typ, "linux") {
typ += "-gnu"
}
cmd := exec.CommandContext(ctx, "make", "-s", "testbuild", "TYPE="+typ)
cmd.Dir = rootPkg.Dir
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Run(); err != nil {
return nil, errors.Wrap(err, "could not build test binaries")
}
}
// Find the per-package *.test binaries we built.
var binaries []string
{
cmd := exec.CommandContext(ctx, "find", findArgs...)
cmd.Dir = rootPkg.Dir
out, err := cmd.Output()
if err != nil {
return nil, errors.Wrapf(err, "could not find new test binaries: %s", out)
}
scanner := bufio.NewScanner(bytes.NewReader(out))
for scanner.Scan() {
binaries = append(binaries, scanner.Text())
}
if err := scanner.Err(); err != nil {
return nil, errors.Wrap(err, "could not find new test binaries")
}
}
buffers := make([]bytes.Buffer, numIterations)
for i := range buffers {
buffer := &buffers[i]
for _, txt := range binaries {
binaryPath, err := filepath.Abs(txt)
if err != nil {
return nil, errors.Wrapf(err, "could not find test binary %s on iteration %d", txt, i)
}
{
relativePath, err := filepath.Rel(rootPkg.Dir, binaryPath)
if err != nil {
return nil, errors.Wrapf(err, "could not get relative path to binary %s on iteration %d", binaryPath, i)
}
pkgName := path.Join(crdb, filepath.Dir(relativePath))
if _, err := fmt.Fprintf(buffer, "pkg: %s\n", pkgName); err != nil {
return nil, errors.Wrapf(err, "could not write package name %s on iteration %d", pkgName, i)
}
}
cmd := exec.CommandContext(ctx, binaryPath, "-test.timeout", "0", "-test.run", "-", "-test.bench", ".", "-test.benchmem")
cmd.Dir = filepath.Dir(binaryPath)
cmd.Stdout = buffer
cmd.Stderr = os.Stderr
log.Printf("iteration %d running: %s", i, cmd.Args)
if err := cmd.Run(); err != nil {
return nil, errors.Wrapf(err, "could not run test binary %s on iteration %d", binaryPath, i)
}
}
}
return buffers, nil
}