mirror of https://github.com/status-im/consul.git
493 lines
10 KiB
Go
493 lines
10 KiB
Go
package debug
|
|
|
|
import (
|
|
"archive/tar"
|
|
"compress/gzip"
|
|
"fmt"
|
|
"io"
|
|
"io/ioutil"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/mitchellh/cli"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"github.com/hashicorp/consul/agent"
|
|
"github.com/hashicorp/consul/sdk/testutil"
|
|
"github.com/hashicorp/consul/testrpc"
|
|
)
|
|
|
|
func TestDebugCommand_noTabs(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
if strings.ContainsRune(New(cli.NewMockUi(), nil).Help(), '\t') {
|
|
t.Fatal("help has tabs")
|
|
}
|
|
}
|
|
|
|
func TestDebugCommand(t *testing.T) {
|
|
if testing.Short() {
|
|
t.Skip("too slow for testing.Short")
|
|
}
|
|
|
|
testDir := testutil.TempDir(t, "debug")
|
|
|
|
a := agent.NewTestAgent(t, `
|
|
enable_debug = true
|
|
`)
|
|
|
|
defer a.Shutdown()
|
|
testrpc.WaitForLeader(t, a.RPC, "dc1")
|
|
|
|
ui := cli.NewMockUi()
|
|
cmd := New(ui, nil)
|
|
cmd.validateTiming = false
|
|
|
|
outputPath := fmt.Sprintf("%s/debug", testDir)
|
|
args := []string{
|
|
"-http-addr=" + a.HTTPAddr(),
|
|
"-output=" + outputPath,
|
|
"-duration=100ms",
|
|
"-interval=50ms",
|
|
}
|
|
|
|
code := cmd.Run(args)
|
|
|
|
if code != 0 {
|
|
t.Errorf("should exit 0, got code: %d", code)
|
|
}
|
|
|
|
errOutput := ui.ErrorWriter.String()
|
|
if errOutput != "" {
|
|
t.Errorf("expected no error output, got %q", errOutput)
|
|
}
|
|
}
|
|
|
|
func TestDebugCommand_Archive(t *testing.T) {
|
|
if testing.Short() {
|
|
t.Skip("too slow for testing.Short")
|
|
}
|
|
|
|
testDir := testutil.TempDir(t, "debug")
|
|
|
|
a := agent.NewTestAgent(t, `
|
|
enable_debug = true
|
|
`)
|
|
defer a.Shutdown()
|
|
testrpc.WaitForLeader(t, a.RPC, "dc1")
|
|
|
|
ui := cli.NewMockUi()
|
|
cmd := New(ui, nil)
|
|
cmd.validateTiming = false
|
|
|
|
outputPath := fmt.Sprintf("%s/debug", testDir)
|
|
args := []string{
|
|
"-http-addr=" + a.HTTPAddr(),
|
|
"-output=" + outputPath,
|
|
"-capture=agent",
|
|
}
|
|
|
|
if code := cmd.Run(args); code != 0 {
|
|
t.Fatalf("should exit 0, got code: %d", code)
|
|
}
|
|
|
|
archivePath := fmt.Sprintf("%s%s", outputPath, debugArchiveExtension)
|
|
file, err := os.Open(archivePath)
|
|
if err != nil {
|
|
t.Fatalf("failed to open archive: %s", err)
|
|
}
|
|
gz, err := gzip.NewReader(file)
|
|
if err != nil {
|
|
t.Fatalf("failed to read gzip archive: %s", err)
|
|
}
|
|
tr := tar.NewReader(gz)
|
|
|
|
for {
|
|
h, err := tr.Next()
|
|
|
|
if err == io.EOF {
|
|
break
|
|
}
|
|
if err != nil {
|
|
t.Fatalf("failed to read file in archive: %s", err)
|
|
}
|
|
|
|
// ignore the outer directory
|
|
if h.Name == "debug" {
|
|
continue
|
|
}
|
|
|
|
// should only contain this one capture target
|
|
if h.Name != "debug/agent.json" && h.Name != "debug/index.json" {
|
|
t.Fatalf("archive contents do not match: %s", h.Name)
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
func TestDebugCommand_ArgsBad(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
ui := cli.NewMockUi()
|
|
cmd := New(ui, nil)
|
|
|
|
args := []string{
|
|
"foo",
|
|
"bad",
|
|
}
|
|
|
|
if code := cmd.Run(args); code == 0 {
|
|
t.Fatalf("should exit non-zero, got code: %d", code)
|
|
}
|
|
|
|
errOutput := ui.ErrorWriter.String()
|
|
if !strings.Contains(errOutput, "Too many arguments") {
|
|
t.Errorf("expected error output, got %q", errOutput)
|
|
}
|
|
}
|
|
|
|
func TestDebugCommand_OutputPathBad(t *testing.T) {
|
|
if testing.Short() {
|
|
t.Skip("too slow for testing.Short")
|
|
}
|
|
|
|
t.Parallel()
|
|
|
|
a := agent.NewTestAgent(t, "")
|
|
defer a.Shutdown()
|
|
testrpc.WaitForLeader(t, a.RPC, "dc1")
|
|
|
|
ui := cli.NewMockUi()
|
|
cmd := New(ui, nil)
|
|
cmd.validateTiming = false
|
|
|
|
outputPath := ""
|
|
args := []string{
|
|
"-http-addr=" + a.HTTPAddr(),
|
|
"-output=" + outputPath,
|
|
"-duration=100ms",
|
|
"-interval=50ms",
|
|
}
|
|
|
|
if code := cmd.Run(args); code == 0 {
|
|
t.Fatalf("should exit non-zero, got code: %d", code)
|
|
}
|
|
|
|
errOutput := ui.ErrorWriter.String()
|
|
if !strings.Contains(errOutput, "no such file or directory") {
|
|
t.Errorf("expected error output, got %q", errOutput)
|
|
}
|
|
}
|
|
|
|
func TestDebugCommand_OutputPathExists(t *testing.T) {
|
|
if testing.Short() {
|
|
t.Skip("too slow for testing.Short")
|
|
}
|
|
|
|
testDir := testutil.TempDir(t, "debug")
|
|
|
|
a := agent.NewTestAgent(t, "")
|
|
defer a.Shutdown()
|
|
testrpc.WaitForLeader(t, a.RPC, "dc1")
|
|
|
|
ui := cli.NewMockUi()
|
|
cmd := New(ui, nil)
|
|
cmd.validateTiming = false
|
|
|
|
outputPath := fmt.Sprintf("%s/debug", testDir)
|
|
args := []string{
|
|
"-http-addr=" + a.HTTPAddr(),
|
|
"-output=" + outputPath,
|
|
"-duration=100ms",
|
|
"-interval=50ms",
|
|
}
|
|
|
|
// Make a directory that conflicts with the output path
|
|
err := os.Mkdir(outputPath, 0755)
|
|
if err != nil {
|
|
t.Fatalf("duplicate test directory creation failed: %s", err)
|
|
}
|
|
|
|
if code := cmd.Run(args); code == 0 {
|
|
t.Fatalf("should exit non-zero, got code: %d", code)
|
|
}
|
|
|
|
errOutput := ui.ErrorWriter.String()
|
|
if !strings.Contains(errOutput, "directory already exists") {
|
|
t.Errorf("expected error output, got %q", errOutput)
|
|
}
|
|
}
|
|
|
|
func TestDebugCommand_CaptureTargets(t *testing.T) {
|
|
if testing.Short() {
|
|
t.Skip("too slow for testing.Short")
|
|
}
|
|
|
|
cases := map[string]struct {
|
|
// used in -target param
|
|
targets []string
|
|
// existence verified after execution
|
|
files []string
|
|
// non-existence verified after execution
|
|
excludedFiles []string
|
|
}{
|
|
"single": {
|
|
[]string{"agent"},
|
|
[]string{"agent.json"},
|
|
[]string{"host.json", "cluster.json"},
|
|
},
|
|
"static": {
|
|
[]string{"agent", "host", "cluster"},
|
|
[]string{"agent.json", "host.json", "cluster.json"},
|
|
[]string{"*/metrics.json"},
|
|
},
|
|
"metrics-only": {
|
|
[]string{"metrics"},
|
|
[]string{"*/metrics.json"},
|
|
[]string{"agent.json", "host.json", "cluster.json"},
|
|
},
|
|
"all-but-pprof": {
|
|
[]string{
|
|
"metrics",
|
|
"logs",
|
|
"host",
|
|
"agent",
|
|
"cluster",
|
|
},
|
|
[]string{
|
|
"host.json",
|
|
"agent.json",
|
|
"cluster.json",
|
|
"*/metrics.json",
|
|
"*/consul.log",
|
|
},
|
|
[]string{},
|
|
},
|
|
}
|
|
|
|
for name, tc := range cases {
|
|
testDir := testutil.TempDir(t, "debug")
|
|
|
|
a := agent.NewTestAgent(t, `
|
|
enable_debug = true
|
|
`)
|
|
|
|
defer a.Shutdown()
|
|
testrpc.WaitForLeader(t, a.RPC, "dc1")
|
|
|
|
ui := cli.NewMockUi()
|
|
cmd := New(ui, nil)
|
|
cmd.validateTiming = false
|
|
|
|
outputPath := fmt.Sprintf("%s/debug-%s", testDir, name)
|
|
args := []string{
|
|
"-http-addr=" + a.HTTPAddr(),
|
|
"-output=" + outputPath,
|
|
"-archive=false",
|
|
"-duration=100ms",
|
|
"-interval=50ms",
|
|
}
|
|
for _, t := range tc.targets {
|
|
args = append(args, "-capture="+t)
|
|
}
|
|
|
|
if code := cmd.Run(args); code != 0 {
|
|
t.Fatalf("should exit 0, got code: %d", code)
|
|
}
|
|
|
|
errOutput := ui.ErrorWriter.String()
|
|
if errOutput != "" {
|
|
t.Errorf("expected no error output, got %q", errOutput)
|
|
}
|
|
|
|
// Ensure the debug data was written
|
|
_, err := os.Stat(outputPath)
|
|
if err != nil {
|
|
t.Fatalf("output path should exist: %s", err)
|
|
}
|
|
|
|
// Ensure the captured static files exist
|
|
for _, f := range tc.files {
|
|
path := fmt.Sprintf("%s/%s", outputPath, f)
|
|
// Glob ignores file system errors
|
|
fs, _ := filepath.Glob(path)
|
|
if len(fs) <= 0 {
|
|
t.Fatalf("%s: output data should exist for %s", name, f)
|
|
}
|
|
}
|
|
|
|
// Ensure any excluded files do not exist
|
|
for _, f := range tc.excludedFiles {
|
|
path := fmt.Sprintf("%s/%s", outputPath, f)
|
|
// Glob ignores file system errors
|
|
fs, _ := filepath.Glob(path)
|
|
if len(fs) > 0 {
|
|
t.Fatalf("%s: output data should not exist for %s", name, f)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestDebugCommand_ProfilesExist(t *testing.T) {
|
|
if testing.Short() {
|
|
t.Skip("too slow for testing.Short")
|
|
}
|
|
|
|
testDir := testutil.TempDir(t, "debug")
|
|
|
|
a := agent.NewTestAgent(t, `
|
|
enable_debug = true
|
|
`)
|
|
defer a.Shutdown()
|
|
testrpc.WaitForLeader(t, a.RPC, "dc1")
|
|
|
|
ui := cli.NewMockUi()
|
|
cmd := New(ui, nil)
|
|
cmd.validateTiming = false
|
|
|
|
outputPath := fmt.Sprintf("%s/debug", testDir)
|
|
println(outputPath)
|
|
args := []string{
|
|
"-http-addr=" + a.HTTPAddr(),
|
|
"-output=" + outputPath,
|
|
// CPU profile has a minimum of 1s
|
|
"-archive=false",
|
|
"-duration=1s",
|
|
"-interval=1s",
|
|
"-capture=pprof",
|
|
}
|
|
|
|
if code := cmd.Run(args); code != 0 {
|
|
t.Fatalf("should exit 0, got code: %d", code)
|
|
}
|
|
|
|
profiles := []string{"heap.prof", "profile.prof", "goroutine.prof", "trace.out"}
|
|
// Glob ignores file system errors
|
|
for _, v := range profiles {
|
|
fs, _ := filepath.Glob(fmt.Sprintf("%s/*/%s", outputPath, v))
|
|
if len(fs) == 0 {
|
|
t.Errorf("output data should exist for %s", v)
|
|
}
|
|
}
|
|
|
|
errOutput := ui.ErrorWriter.String()
|
|
if errOutput != "" {
|
|
t.Errorf("expected no error output, got %s", errOutput)
|
|
}
|
|
}
|
|
|
|
func TestDebugCommand_ValidateTiming(t *testing.T) {
|
|
if testing.Short() {
|
|
t.Skip("too slow for testing.Short")
|
|
}
|
|
|
|
cases := map[string]struct {
|
|
duration string
|
|
interval string
|
|
output string
|
|
code int
|
|
}{
|
|
"both": {
|
|
"20ms",
|
|
"10ms",
|
|
"duration must be longer",
|
|
1,
|
|
},
|
|
"short interval": {
|
|
"10s",
|
|
"10ms",
|
|
"interval must be longer",
|
|
1,
|
|
},
|
|
"lower duration": {
|
|
"20s",
|
|
"30s",
|
|
"must be longer than interval",
|
|
1,
|
|
},
|
|
}
|
|
|
|
for name, tc := range cases {
|
|
// Because we're only testng validation, we want to shut down
|
|
// the valid duration test to avoid hanging
|
|
shutdownCh := make(chan struct{})
|
|
|
|
a := agent.NewTestAgent(t, "")
|
|
defer a.Shutdown()
|
|
testrpc.WaitForLeader(t, a.RPC, "dc1")
|
|
|
|
ui := cli.NewMockUi()
|
|
cmd := New(ui, shutdownCh)
|
|
|
|
args := []string{
|
|
"-http-addr=" + a.HTTPAddr(),
|
|
"-duration=" + tc.duration,
|
|
"-interval=" + tc.interval,
|
|
"-capture=agent",
|
|
}
|
|
code := cmd.Run(args)
|
|
|
|
if code != tc.code {
|
|
t.Errorf("%s: should exit %d, got code: %d", name, tc.code, code)
|
|
}
|
|
|
|
errOutput := ui.ErrorWriter.String()
|
|
if !strings.Contains(errOutput, tc.output) {
|
|
t.Errorf("%s: expected error output '%s', got '%q'", name, tc.output, errOutput)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestDebugCommand_DebugDisabled(t *testing.T) {
|
|
if testing.Short() {
|
|
t.Skip("too slow for testing.Short")
|
|
}
|
|
|
|
t.Parallel()
|
|
|
|
testDir := testutil.TempDir(t, "debug")
|
|
|
|
a := agent.NewTestAgent(t, `
|
|
enable_debug = false
|
|
`)
|
|
defer a.Shutdown()
|
|
testrpc.WaitForLeader(t, a.RPC, "dc1")
|
|
|
|
ui := cli.NewMockUi()
|
|
cmd := New(ui, nil)
|
|
cmd.validateTiming = false
|
|
|
|
outputPath := fmt.Sprintf("%s/debug", testDir)
|
|
args := []string{
|
|
"-http-addr=" + a.HTTPAddr(),
|
|
"-output=" + outputPath,
|
|
"-archive=false",
|
|
// CPU profile has a minimum of 1s
|
|
"-duration=1s",
|
|
"-interval=1s",
|
|
}
|
|
|
|
if code := cmd.Run(args); code != 0 {
|
|
t.Fatalf("should exit 0, got code: %d", code)
|
|
}
|
|
|
|
profiles := []string{"heap.prof", "profile.prof", "goroutine.prof", "trace.out"}
|
|
// Glob ignores file system errors
|
|
for _, v := range profiles {
|
|
fs, _ := filepath.Glob(fmt.Sprintf("%s/*/%s", outputPath, v))
|
|
// TODO: make this always one
|
|
require.True(t, len(fs) >= 1)
|
|
content, err := ioutil.ReadFile(fs[0])
|
|
require.NoError(t, err)
|
|
require.Len(t, content, 0)
|
|
}
|
|
|
|
errOutput := ui.ErrorWriter.String()
|
|
for _, prof := range []string{"heap", "cpu", "goroutine", "trace"} {
|
|
expected := fmt.Sprintf("failed to collect %v", prof)
|
|
require.Contains(t, errOutput, expected)
|
|
}
|
|
}
|