Better error reporting for CI tests

This commit is contained in:
Alexander Neumann 2016-04-17 18:22:26 +02:00
parent 2e3c541237
commit aa43b69651
1 changed files with 95 additions and 72 deletions

View File

@ -19,6 +19,7 @@ import (
var runCrossCompile = flag.Bool("cross-compile", true, "run cross compilation tests")
var minioServer = flag.String("minio", "", "path to the minio server binary")
var debug = flag.Bool("debug", false, "output debug messages")
var minioServerEnv = map[string]string{
"MINIO_ACCESS_KEY": "KEBIYDZ87HCIH5D17YCN",
@ -36,9 +37,9 @@ func init() {
}
type CIEnvironment interface {
Prepare()
RunTests()
Teardown()
Prepare() error
RunTests() error
Teardown() error
}
type TravisEnvironment struct {
@ -52,17 +53,16 @@ type TravisEnvironment struct {
env map[string]string
}
func (env *TravisEnvironment) getMinio() {
func (env *TravisEnvironment) getMinio() error {
if *minioServer != "" {
msg("using minio server at %q\n", *minioServer)
env.minio = *minioServer
return
return nil
}
tempfile, err := ioutil.TempFile("", "minio-server-")
if err != nil {
fmt.Fprintf(os.Stderr, "create tempfile failed: %v\n", err)
os.Exit(10)
return fmt.Errorf("create tempfile for minio download failed: %v\n", err)
}
url := fmt.Sprintf("https://dl.minio.io/server/minio/release/%s-%s/minio",
@ -70,66 +70,70 @@ func (env *TravisEnvironment) getMinio() {
msg("downloading %v\n", url)
res, err := http.Get(url)
if err != nil {
msg("downloading minio failed: %v\n", err)
return
return fmt.Errorf("error downloading minio server: %v\n", err)
}
_, err = io.Copy(tempfile, res.Body)
if err != nil {
msg("downloading minio failed: %v\n", err)
return
return fmt.Errorf("error saving minio server to file: %v\n", err)
}
err = res.Body.Close()
if err != nil {
msg("saving minio failed: %v\n", err)
return
return fmt.Errorf("error closing HTTP download: %v\n", err)
}
err = tempfile.Close()
if err != nil {
msg("closing tempfile failed: %v\n", err)
return
return fmt.Errorf("error closing minio server file: %v\n", err)
}
err = os.Chmod(tempfile.Name(), 0755)
if err != nil {
msg("making minio server executable failed: %v\n", err)
return
return fmt.Errorf("chmod(minio-server) failed: %v", err)
}
msg("downloaded minio server to %v\n", tempfile.Name())
env.minio = tempfile.Name()
return nil
}
func (env *TravisEnvironment) runMinio() {
// start minio server
if env.minio != "" {
msg("starting minio server at %s", env.minio)
dir, err := ioutil.TempDir("", "minio-root")
if err != nil {
os.Exit(80)
}
env.minioSrv, err = StartBackgroundCommand(minioServerEnv, env.minio,
"server",
"--address", "127.0.0.1:9000",
dir)
if err != nil {
fmt.Fprintf(os.Stderr, "error running minio server: %v", err)
os.Exit(80)
}
for k, v := range minioEnv {
env.env[k] = v
}
env.minioTempdir = dir
func (env *TravisEnvironment) runMinio() error {
if env.minio == "" {
return nil
}
// start minio server
msg("starting minio server at %s", env.minio)
dir, err := ioutil.TempDir("", "minio-root")
if err != nil {
return fmt.Errorf("running minio server failed: %v", err)
}
env.minioSrv, err = StartBackgroundCommand(minioServerEnv, env.minio,
"server",
"--address", "127.0.0.1:9000",
dir)
if err != nil {
return fmt.Errorf("error running minio server: %v", err)
}
// go func() {
// time.Sleep(300 * time.Millisecond)
// env.minioSrv.Cmd.Process.Kill()
// }()
for k, v := range minioEnv {
env.env[k] = v
}
env.minioTempdir = dir
return nil
}
func (env *TravisEnvironment) Prepare() {
func (env *TravisEnvironment) Prepare() error {
env.env = make(map[string]string)
msg("preparing environment for Travis CI\n")
@ -170,17 +174,27 @@ func (env *TravisEnvironment) Prepare() {
"-arch", strings.Join(env.goxArch, " "))
}
}
return nil
}
func (env *TravisEnvironment) Teardown() {
func (env *TravisEnvironment) Teardown() error {
msg("run travis teardown\n")
if env.minioSrv != nil {
msg("stopping minio server\n")
result := <-env.minioSrv.Result
if result.Error != nil {
msg("minio server returned error: %v\n", result.Error)
msg("stdout: %s\n", result.Stdout)
msg("stderr: %s\n", result.Stderr)
if env.minioSrv.Cmd.ProcessState == nil {
err := env.minioSrv.Cmd.Process.Kill()
if err != nil {
fmt.Fprintf(os.Stderr, "error killing minio server process: %v", err)
}
} else {
result := <-env.minioSrv.Result
if result.Error != nil {
msg("minio server returned error: %v\n", result.Error)
msg("stdout: %s\n", result.Stdout)
msg("stderr: %s\n", result.Stderr)
}
}
err := os.RemoveAll(env.minioTempdir)
@ -188,6 +202,8 @@ func (env *TravisEnvironment) Teardown() {
msg("error removing minio tempdir %v: %v\n", env.minioTempdir, err)
}
}
return nil
}
func goVersionAtLeast151() bool {
@ -206,7 +222,6 @@ func goVersionAtLeast151() bool {
type Background struct {
Cmd *exec.Cmd
Done chan struct{}
Result chan Result
}
@ -218,7 +233,6 @@ type Result struct {
func StartBackgroundCommand(env map[string]string, cmd string, args ...string) (*Background, error) {
msg("running background command %v %v\n", cmd, args)
b := Background{
Done: make(chan struct{}),
Result: make(chan Result, 1),
}
@ -228,6 +242,11 @@ func StartBackgroundCommand(env map[string]string, cmd string, args ...string) (
c := exec.Command(cmd, args...)
c.Stdout = stdout
c.Stderr = stderr
if *debug {
c.Stdout = io.MultiWriter(c.Stdout, os.Stdout)
c.Stderr = io.MultiWriter(c.Stderr, os.Stderr)
}
c.Env = updateEnv(os.Environ(), env)
b.Cmd = c
@ -241,6 +260,8 @@ func StartBackgroundCommand(env map[string]string, cmd string, args ...string) (
go func() {
err := b.Cmd.Wait()
msg("background job %v returned: %v\n", cmd, err)
msg("stdout: %s\n", stdout.Bytes())
msg("stderr: %s\n", stderr.Bytes())
b.Result <- Result{
Stdout: string(stdout.Bytes()),
Stderr: string(stderr.Bytes()),
@ -251,7 +272,7 @@ func StartBackgroundCommand(env map[string]string, cmd string, args ...string) (
return &b, nil
}
func (env *TravisEnvironment) RunTests() {
func (env *TravisEnvironment) RunTests() error {
// run fuse tests on darwin
if runtime.GOOS != "darwin" {
msg("skip fuse integration tests on %v\n", runtime.GOOS)
@ -260,8 +281,7 @@ func (env *TravisEnvironment) RunTests() {
cwd, err := os.Getwd()
if err != nil {
fmt.Fprintf(os.Stderr, "Getwd() returned error: %v", err)
os.Exit(9)
return fmt.Errorf("Getwd() returned error: %v", err)
}
env.env["GOPATH"] = cwd + ":" + filepath.Join(cwd, "vendor")
@ -284,20 +304,24 @@ func (env *TravisEnvironment) RunTests() {
// run the tests and gather coverage information
runWithEnv(env.env, "gotestcover", "-coverprofile", "all.cov", "cmds/...", "restic/...")
runGofmt()
return runGofmt()
}
type AppveyorEnvironment struct{}
func (env *AppveyorEnvironment) Prepare() {
func (env *AppveyorEnvironment) Prepare() error {
msg("preparing environment for Appveyor CI\n")
return nil
}
func (env *AppveyorEnvironment) RunTests() {
func (env *AppveyorEnvironment) RunTests() error {
run("go", "run", "build.go", "-v", "-T")
return nil
}
func (env *AppveyorEnvironment) Teardown() {}
func (env *AppveyorEnvironment) Teardown() error {
return nil
}
// findGoFiles returns a list of go source code file names below dir.
func findGoFiles(dir string) (list []string, err error) {
@ -345,17 +369,15 @@ func updateEnv(env []string, override map[string]string) []string {
return newEnv
}
func runGofmt() {
func runGofmt() error {
dir, err := os.Getwd()
if err != nil {
fmt.Fprintf(os.Stderr, "Getwd(): %v\n", err)
os.Exit(5)
return fmt.Errorf("Getwd(): %v\n", err)
}
files, err := findGoFiles(dir)
if err != nil {
fmt.Fprintf(os.Stderr, "error finding Go files: %v\n", err)
os.Exit(4)
return fmt.Errorf("error finding Go files: %v\n", err)
}
msg("runGofmt() with %d files\n", len(files))
@ -365,16 +387,14 @@ func runGofmt() {
buf, err := cmd.Output()
if err != nil {
fmt.Fprintf(os.Stderr, "error running gofmt: %v", err)
fmt.Fprintf(os.Stderr, "output:\n%s\n", buf)
os.Exit(3)
return fmt.Errorf("error running gofmt: %v\noutput: %s\n", err, buf)
}
if len(buf) > 0 {
fmt.Fprintf(os.Stderr, "not formatted with `gofmt`:\n")
fmt.Fprintln(os.Stderr, string(buf))
os.Exit(6)
return fmt.Errorf("not formatted with `gofmt`:\n%s\n", buf)
}
return nil
}
func run(command string, args ...string) {
@ -384,7 +404,7 @@ func run(command string, args ...string) {
// runWithEnv calls a command with the current environment, except the entries
// of the env map are set additionally.
func runWithEnv(env map[string]string, command string, args ...string) {
func runWithEnv(env map[string]string, command string, args ...string) error {
msg("runWithEnv %v %v\n", command, strings.Join(args, " "))
cmd := exec.Command(command, args...)
cmd.Stdout = os.Stdout
@ -395,10 +415,10 @@ func runWithEnv(env map[string]string, command string, args ...string) {
err := cmd.Run()
if err != nil {
fmt.Fprintf(os.Stderr, "error running %v %v: %v",
return fmt.Errorf("error running %v %v: %v",
command, strings.Join(args, " "), err)
os.Exit(3)
}
return nil
}
func isTravis() bool {
@ -422,7 +442,10 @@ func main() {
os.Exit(1)
}
for _, f := range []func(){env.Prepare, env.RunTests, env.Teardown} {
f()
for _, f := range []func() error{env.Prepare, env.RunTests, env.Teardown} {
err := f()
if err != nil {
fmt.Fprintf(os.Stderr, "error: %v\n", err)
}
}
}