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swarm/test: add integration test for 'swarm up' (#14353)

This commit is contained in:
Lewis Marshall 2017-06-21 14:54:23 +02:00 committed by Felix Lange
parent a20a02ce0b
commit a1f3878ec5
17 changed files with 1048 additions and 293 deletions
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72
cmd/geth/accountcmd_test.go
View File

@ -44,21 +44,21 @@ func tmpDatadirWithKeystore(t *testing.T) string {
func TestAccountListEmpty(t *testing.T) {
geth := runGeth(t, "account", "list")
geth.expectExit()
geth.ExpectExit()
}
func TestAccountList(t *testing.T) {
datadir := tmpDatadirWithKeystore(t)
geth := runGeth(t, "account", "list", "--datadir", datadir)
defer geth.expectExit()
defer geth.ExpectExit()
if runtime.GOOS == "windows" {
geth.expect(`
geth.Expect(`
Account #0: {7ef5a6135f1fd6a02593eedc869c6d41d934aef8} keystore://{{.Datadir}}\keystore\UTC--2016-03-22T12-57-55.920751759Z--7ef5a6135f1fd6a02593eedc869c6d41d934aef8
Account #1: {f466859ead1932d743d622cb74fc058882e8648a} keystore://{{.Datadir}}\keystore\aaa
Account #2: {289d485d9771714cce91d3393d764e1311907acc} keystore://{{.Datadir}}\keystore\zzz
`)
} else {
geth.expect(`
geth.Expect(`
Account #0: {7ef5a6135f1fd6a02593eedc869c6d41d934aef8} keystore://{{.Datadir}}/keystore/UTC--2016-03-22T12-57-55.920751759Z--7ef5a6135f1fd6a02593eedc869c6d41d934aef8
Account #1: {f466859ead1932d743d622cb74fc058882e8648a} keystore://{{.Datadir}}/keystore/aaa
Account #2: {289d485d9771714cce91d3393d764e1311907acc} keystore://{{.Datadir}}/keystore/zzz
@ -68,20 +68,20 @@ Account #2: {289d485d9771714cce91d3393d764e1311907acc} keystore://{{.Datadir}}/k
func TestAccountNew(t *testing.T) {
geth := runGeth(t, "account", "new", "--lightkdf")
defer geth.expectExit()
geth.expect(`
defer geth.ExpectExit()
geth.Expect(`
Your new account is locked with a password. Please give a password. Do not forget this password.
!! Unsupported terminal, password will be echoed.
Passphrase: {{.InputLine "foobar"}}
Repeat passphrase: {{.InputLine "foobar"}}
`)
geth.expectRegexp(`Address: \{[0-9a-f]{40}\}\n`)
geth.ExpectRegexp(`Address: \{[0-9a-f]{40}\}\n`)
}
func TestAccountNewBadRepeat(t *testing.T) {
geth := runGeth(t, "account", "new", "--lightkdf")
defer geth.expectExit()
geth.expect(`
defer geth.ExpectExit()
geth.Expect(`
Your new account is locked with a password. Please give a password. Do not forget this password.
!! Unsupported terminal, password will be echoed.
Passphrase: {{.InputLine "something"}}
@ -95,8 +95,8 @@ func TestAccountUpdate(t *testing.T) {
geth := runGeth(t, "account", "update",
"--datadir", datadir, "--lightkdf",
"f466859ead1932d743d622cb74fc058882e8648a")
defer geth.expectExit()
geth.expect(`
defer geth.ExpectExit()
geth.Expect(`
Unlocking account f466859ead1932d743d622cb74fc058882e8648a | Attempt 1/3
!! Unsupported terminal, password will be echoed.
Passphrase: {{.InputLine "foobar"}}
@ -108,8 +108,8 @@ Repeat passphrase: {{.InputLine "foobar2"}}
func TestWalletImport(t *testing.T) {
geth := runGeth(t, "wallet", "import", "--lightkdf", "testdata/guswallet.json")
defer geth.expectExit()
geth.expect(`
defer geth.ExpectExit()
geth.Expect(`
!! Unsupported terminal, password will be echoed.
Passphrase: {{.InputLine "foo"}}
Address: {d4584b5f6229b7be90727b0fc8c6b91bb427821f}
@ -123,8 +123,8 @@ Address: {d4584b5f6229b7be90727b0fc8c6b91bb427821f}
func TestWalletImportBadPassword(t *testing.T) {
geth := runGeth(t, "wallet", "import", "--lightkdf", "testdata/guswallet.json")
defer geth.expectExit()
geth.expect(`
defer geth.ExpectExit()
geth.Expect(`
!! Unsupported terminal, password will be echoed.
Passphrase: {{.InputLine "wrong"}}
Fatal: could not decrypt key with given passphrase
@ -137,19 +137,19 @@ func TestUnlockFlag(t *testing.T) {
"--datadir", datadir, "--nat", "none", "--nodiscover", "--dev",
"--unlock", "f466859ead1932d743d622cb74fc058882e8648a",
"js", "testdata/empty.js")
geth.expect(`
geth.Expect(`
Unlocking account f466859ead1932d743d622cb74fc058882e8648a | Attempt 1/3
!! Unsupported terminal, password will be echoed.
Passphrase: {{.InputLine "foobar"}}
`)
geth.expectExit()
geth.ExpectExit()
wantMessages := []string{
"Unlocked account",
"=0xf466859ead1932d743d622cb74fc058882e8648a",
}
for _, m := range wantMessages {
if !strings.Contains(geth.stderrText(), m) {
if !strings.Contains(geth.StderrText(), m) {
t.Errorf("stderr text does not contain %q", m)
}
}
@ -160,8 +160,8 @@ func TestUnlockFlagWrongPassword(t *testing.T) {
geth := runGeth(t,
"--datadir", datadir, "--nat", "none", "--nodiscover", "--dev",
"--unlock", "f466859ead1932d743d622cb74fc058882e8648a")
defer geth.expectExit()
geth.expect(`
defer geth.ExpectExit()
geth.Expect(`
Unlocking account f466859ead1932d743d622cb74fc058882e8648a | Attempt 1/3
!! Unsupported terminal, password will be echoed.
Passphrase: {{.InputLine "wrong1"}}
@ -180,14 +180,14 @@ func TestUnlockFlagMultiIndex(t *testing.T) {
"--datadir", datadir, "--nat", "none", "--nodiscover", "--dev",
"--unlock", "0,2",
"js", "testdata/empty.js")
geth.expect(`
geth.Expect(`
Unlocking account 0 | Attempt 1/3
!! Unsupported terminal, password will be echoed.
Passphrase: {{.InputLine "foobar"}}
Unlocking account 2 | Attempt 1/3
Passphrase: {{.InputLine "foobar"}}
`)
geth.expectExit()
geth.ExpectExit()
wantMessages := []string{
"Unlocked account",
@ -195,7 +195,7 @@ Passphrase: {{.InputLine "foobar"}}
"=0x289d485d9771714cce91d3393d764e1311907acc",
}
for _, m := range wantMessages {
if !strings.Contains(geth.stderrText(), m) {
if !strings.Contains(geth.StderrText(), m) {
t.Errorf("stderr text does not contain %q", m)
}
}
@ -207,7 +207,7 @@ func TestUnlockFlagPasswordFile(t *testing.T) {
"--datadir", datadir, "--nat", "none", "--nodiscover", "--dev",
"--password", "testdata/passwords.txt", "--unlock", "0,2",
"js", "testdata/empty.js")
geth.expectExit()
geth.ExpectExit()
wantMessages := []string{
"Unlocked account",
@ -215,7 +215,7 @@ func TestUnlockFlagPasswordFile(t *testing.T) {
"=0x289d485d9771714cce91d3393d764e1311907acc",
}
for _, m := range wantMessages {
if !strings.Contains(geth.stderrText(), m) {
if !strings.Contains(geth.StderrText(), m) {
t.Errorf("stderr text does not contain %q", m)
}
}
@ -226,8 +226,8 @@ func TestUnlockFlagPasswordFileWrongPassword(t *testing.T) {
geth := runGeth(t,
"--datadir", datadir, "--nat", "none", "--nodiscover", "--dev",
"--password", "testdata/wrong-passwords.txt", "--unlock", "0,2")
defer geth.expectExit()
geth.expect(`
defer geth.ExpectExit()
geth.Expect(`
Fatal: Failed to unlock account 0 (could not decrypt key with given passphrase)
`)
}
@ -238,14 +238,14 @@ func TestUnlockFlagAmbiguous(t *testing.T) {
"--keystore", store, "--nat", "none", "--nodiscover", "--dev",
"--unlock", "f466859ead1932d743d622cb74fc058882e8648a",
"js", "testdata/empty.js")
defer geth.expectExit()
defer geth.ExpectExit()
// Helper for the expect template, returns absolute keystore path.
geth.setTemplateFunc("keypath", func(file string) string {
geth.SetTemplateFunc("keypath", func(file string) string {
abs, _ := filepath.Abs(filepath.Join(store, file))
return abs
})
geth.expect(`
geth.Expect(`
Unlocking account f466859ead1932d743d622cb74fc058882e8648a | Attempt 1/3
!! Unsupported terminal, password will be echoed.
Passphrase: {{.InputLine "foobar"}}
@ -257,14 +257,14 @@ Your passphrase unlocked keystore://{{keypath "1"}}
In order to avoid this warning, you need to remove the following duplicate key files:
keystore://{{keypath "2"}}
`)
geth.expectExit()
geth.ExpectExit()
wantMessages := []string{
"Unlocked account",
"=0xf466859ead1932d743d622cb74fc058882e8648a",
}
for _, m := range wantMessages {
if !strings.Contains(geth.stderrText(), m) {
if !strings.Contains(geth.StderrText(), m) {
t.Errorf("stderr text does not contain %q", m)
}
}
@ -275,14 +275,14 @@ func TestUnlockFlagAmbiguousWrongPassword(t *testing.T) {
geth := runGeth(t,
"--keystore", store, "--nat", "none", "--nodiscover", "--dev",
"--unlock", "f466859ead1932d743d622cb74fc058882e8648a")
defer geth.expectExit()
defer geth.ExpectExit()
// Helper for the expect template, returns absolute keystore path.
geth.setTemplateFunc("keypath", func(file string) string {
geth.SetTemplateFunc("keypath", func(file string) string {
abs, _ := filepath.Abs(filepath.Join(store, file))
return abs
})
geth.expect(`
geth.Expect(`
Unlocking account f466859ead1932d743d622cb74fc058882e8648a | Attempt 1/3
!! Unsupported terminal, password will be echoed.
Passphrase: {{.InputLine "wrong"}}
@ -292,5 +292,5 @@ Multiple key files exist for address f466859ead1932d743d622cb74fc058882e8648a:
Testing your passphrase against all of them...
Fatal: None of the listed files could be unlocked.
`)
geth.expectExit()
geth.ExpectExit()
}

54
cmd/geth/consolecmd_test.go
View File

@ -47,15 +47,15 @@ func TestConsoleWelcome(t *testing.T) {
"console")
// Gather all the infos the welcome message needs to contain
geth.setTemplateFunc("goos", func() string { return runtime.GOOS })
geth.setTemplateFunc("goarch", func() string { return runtime.GOARCH })
geth.setTemplateFunc("gover", runtime.Version)
geth.setTemplateFunc("gethver", func() string { return params.Version })
geth.setTemplateFunc("niltime", func() string { return time.Unix(0, 0).Format(time.RFC1123) })
geth.setTemplateFunc("apis", func() string { return ipcAPIs })
geth.SetTemplateFunc("goos", func() string { return runtime.GOOS })
geth.SetTemplateFunc("goarch", func() string { return runtime.GOARCH })
geth.SetTemplateFunc("gover", runtime.Version)
geth.SetTemplateFunc("gethver", func() string { return params.Version })
geth.SetTemplateFunc("niltime", func() string { return time.Unix(0, 0).Format(time.RFC1123) })
geth.SetTemplateFunc("apis", func() string { return ipcAPIs })
// Verify the actual welcome message to the required template
geth.expect(`
geth.Expect(`
Welcome to the Geth JavaScript console!
instance: Geth/v{{gethver}}/{{goos}}-{{goarch}}/{{gover}}
@ -66,7 +66,7 @@ at block: 0 ({{niltime}})
> {{.InputLine "exit"}}
`)
geth.expectExit()
geth.ExpectExit()
}
// Tests that a console can be attached to a running node via various means.
@ -90,8 +90,8 @@ func TestIPCAttachWelcome(t *testing.T) {
time.Sleep(2 * time.Second) // Simple way to wait for the RPC endpoint to open
testAttachWelcome(t, geth, "ipc:"+ipc, ipcAPIs)
geth.interrupt()
geth.expectExit()
geth.Interrupt()
geth.ExpectExit()
}
func TestHTTPAttachWelcome(t *testing.T) {
@ -104,8 +104,8 @@ func TestHTTPAttachWelcome(t *testing.T) {
time.Sleep(2 * time.Second) // Simple way to wait for the RPC endpoint to open
testAttachWelcome(t, geth, "http://localhost:"+port, httpAPIs)
geth.interrupt()
geth.expectExit()
geth.Interrupt()
geth.ExpectExit()
}
func TestWSAttachWelcome(t *testing.T) {
@ -119,29 +119,29 @@ func TestWSAttachWelcome(t *testing.T) {
time.Sleep(2 * time.Second) // Simple way to wait for the RPC endpoint to open
testAttachWelcome(t, geth, "ws://localhost:"+port, httpAPIs)
geth.interrupt()
geth.expectExit()
geth.Interrupt()
geth.ExpectExit()
}
func testAttachWelcome(t *testing.T, geth *testgeth, endpoint, apis string) {
// Attach to a running geth note and terminate immediately
attach := runGeth(t, "attach", endpoint)
defer attach.expectExit()
attach.stdin.Close()
defer attach.ExpectExit()
attach.CloseStdin()
// Gather all the infos the welcome message needs to contain
attach.setTemplateFunc("goos", func() string { return runtime.GOOS })
attach.setTemplateFunc("goarch", func() string { return runtime.GOARCH })
attach.setTemplateFunc("gover", runtime.Version)
attach.setTemplateFunc("gethver", func() string { return params.Version })
attach.setTemplateFunc("etherbase", func() string { return geth.Etherbase })
attach.setTemplateFunc("niltime", func() string { return time.Unix(0, 0).Format(time.RFC1123) })
attach.setTemplateFunc("ipc", func() bool { return strings.HasPrefix(endpoint, "ipc") })
attach.setTemplateFunc("datadir", func() string { return geth.Datadir })
attach.setTemplateFunc("apis", func() string { return apis })
attach.SetTemplateFunc("goos", func() string { return runtime.GOOS })
attach.SetTemplateFunc("goarch", func() string { return runtime.GOARCH })
attach.SetTemplateFunc("gover", runtime.Version)
attach.SetTemplateFunc("gethver", func() string { return params.Version })
attach.SetTemplateFunc("etherbase", func() string { return geth.Etherbase })
attach.SetTemplateFunc("niltime", func() string { return time.Unix(0, 0).Format(time.RFC1123) })
attach.SetTemplateFunc("ipc", func() bool { return strings.HasPrefix(endpoint, "ipc") })
attach.SetTemplateFunc("datadir", func() string { return geth.Datadir })
attach.SetTemplateFunc("apis", func() string { return apis })
// Verify the actual welcome message to the required template
attach.expect(`
attach.Expect(`
Welcome to the Geth JavaScript console!
instance: Geth/v{{gethver}}/{{goos}}-{{goarch}}/{{gover}}
@ -152,7 +152,7 @@ at block: 0 ({{niltime}}){{if ipc}}
> {{.InputLine "exit" }}
`)
attach.expectExit()
attach.ExpectExit()
}
// trulyRandInt generates a crypto random integer used by the console tests to

4
cmd/geth/dao_test.go
View File

@ -112,12 +112,12 @@ func testDAOForkBlockNewChain(t *testing.T, test int, genesis string, expectBloc
if err := ioutil.WriteFile(json, []byte(genesis), 0600); err != nil {
t.Fatalf("test %d: failed to write genesis file: %v", test, err)
}
runGeth(t, "--datadir", datadir, "init", json).cmd.Wait()
runGeth(t, "--datadir", datadir, "init", json).WaitExit()
} else {
// Force chain initialization
args := []string{"--port", "0", "--maxpeers", "0", "--nodiscover", "--nat", "none", "--ipcdisable", "--datadir", datadir}
geth := runGeth(t, append(args, []string{"--exec", "2+2", "console"}...)...)
geth.cmd.Wait()
geth.WaitExit()
}
// Retrieve the DAO config flag from the database
path := filepath.Join(datadir, "geth", "chaindata")

6
cmd/geth/genesis_test.go
View File

@ -97,14 +97,14 @@ func TestCustomGenesis(t *testing.T) {
if err := ioutil.WriteFile(json, []byte(tt.genesis), 0600); err != nil {
t.Fatalf("test %d: failed to write genesis file: %v", i, err)
}
runGeth(t, "--datadir", datadir, "init", json).cmd.Wait()
runGeth(t, "--datadir", datadir, "init", json).WaitExit()
// Query the custom genesis block
geth := runGeth(t,
"--datadir", datadir, "--maxpeers", "0", "--port", "0",
"--nodiscover", "--nat", "none", "--ipcdisable",
"--exec", tt.query, "console")
geth.expectRegexp(tt.result)
geth.expectExit()
geth.ExpectRegexp(tt.result)
geth.ExpectExit()
}
}

246
cmd/geth/run_test.go
View File

@ -17,18 +17,13 @@
package main
import (
"bufio"
"bytes"
"fmt"
"io"
"io/ioutil"
"os"
"os/exec"
"regexp"
"sync"
"testing"
"text/template"
"time"
"github.com/docker/docker/pkg/reexec"
"github.com/ethereum/go-ethereum/internal/cmdtest"
)
func tmpdir(t *testing.T) string {
@ -40,36 +35,37 @@ func tmpdir(t *testing.T) string {
}
type testgeth struct {
// For total convenience, all testing methods are available.
*testing.T
*cmdtest.TestCmd
// template variables for expect
Datadir string
Executable string
Etherbase string
Func template.FuncMap
removeDatadir bool
cmd *exec.Cmd
stdout *bufio.Reader
stdin io.WriteCloser
stderr *testlogger
}
func init() {
// Run the app if we're the child process for runGeth.
if os.Getenv("GETH_TEST_CHILD") != "" {
// Run the app if we've been exec'd as "geth-test" in runGeth.
reexec.Register("geth-test", func() {
if err := app.Run(os.Args); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
os.Exit(0)
})
}
func TestMain(m *testing.M) {
// check if we have been reexec'd
if reexec.Init() {
return
}
os.Exit(m.Run())
}
// spawns geth with the given command line args. If the args don't set --datadir, the
// child g gets a temporary data directory.
func runGeth(t *testing.T, args ...string) *testgeth {
tt := &testgeth{T: t, Executable: os.Args[0]}
tt := &testgeth{}
tt.TestCmd = cmdtest.NewTestCmd(t, tt)
for i, arg := range args {
switch {
case arg == "-datadir" || arg == "--datadir":
@ -84,215 +80,19 @@ func runGeth(t *testing.T, args ...string) *testgeth {
}
if tt.Datadir == "" {
tt.Datadir = tmpdir(t)
tt.removeDatadir = true
tt.Cleanup = func() { os.RemoveAll(tt.Datadir) }
args = append([]string{"-datadir", tt.Datadir}, args...)
// Remove the temporary datadir if something fails below.
defer func() {
if t.Failed() {
os.RemoveAll(tt.Datadir)
tt.Cleanup()
}
}()
}
// Boot "geth". This actually runs the test binary but the init function
// will prevent any tests from running.
tt.stderr = &testlogger{t: t}
tt.cmd = exec.Command(os.Args[0], args...)
tt.cmd.Env = append(os.Environ(), "GETH_TEST_CHILD=1")
tt.cmd.Stderr = tt.stderr
stdout, err := tt.cmd.StdoutPipe()
if err != nil {
t.Fatal(err)
}
tt.stdout = bufio.NewReader(stdout)
if tt.stdin, err = tt.cmd.StdinPipe(); err != nil {
t.Fatal(err)
}
if err := tt.cmd.Start(); err != nil {
t.Fatal(err)
}
// Boot "geth". This actually runs the test binary but the TestMain
// function will prevent any tests from running.
tt.Run("geth-test", args...)
return tt
}
// InputLine writes the given text to the childs stdin.
// This method can also be called from an expect template, e.g.:
//
// geth.expect(`Passphrase: {{.InputLine "password"}}`)
func (tt *testgeth) InputLine(s string) string {
io.WriteString(tt.stdin, s+"\n")
return ""
}
func (tt *testgeth) setTemplateFunc(name string, fn interface{}) {
if tt.Func == nil {
tt.Func = make(map[string]interface{})
}
tt.Func[name] = fn
}
// expect runs its argument as a template, then expects the
// child process to output the result of the template within 5s.
//
// If the template starts with a newline, the newline is removed
// before matching.
func (tt *testgeth) expect(tplsource string) {
// Generate the expected output by running the template.
tpl := template.Must(template.New("").Funcs(tt.Func).Parse(tplsource))
wantbuf := new(bytes.Buffer)
if err := tpl.Execute(wantbuf, tt); err != nil {
panic(err)
}
// Trim exactly one newline at the beginning. This makes tests look
// much nicer because all expect strings are at column 0.
want := bytes.TrimPrefix(wantbuf.Bytes(), []byte("\n"))
if err := tt.matchExactOutput(want); err != nil {
tt.Fatal(err)
}
tt.Logf("Matched stdout text:\n%s", want)
}
func (tt *testgeth) matchExactOutput(want []byte) error {
buf := make([]byte, len(want))
n := 0
tt.withKillTimeout(func() { n, _ = io.ReadFull(tt.stdout, buf) })
buf = buf[:n]
if n < len(want) || !bytes.Equal(buf, want) {
// Grab any additional buffered output in case of mismatch
// because it might help with debugging.
buf = append(buf, make([]byte, tt.stdout.Buffered())...)
tt.stdout.Read(buf[n:])
// Find the mismatch position.
for i := 0; i < n; i++ {
if want[i] != buf[i] {
return fmt.Errorf("Output mismatch at ◊:\n---------------- (stdout text)\n%s◊%s\n---------------- (expected text)\n%s",
buf[:i], buf[i:n], want)
}
}
if n < len(want) {
return fmt.Errorf("Not enough output, got until ◊:\n---------------- (stdout text)\n%s\n---------------- (expected text)\n%s◊%s",
buf, want[:n], want[n:])
}
}
return nil
}
// expectRegexp expects the child process to output text matching the
// given regular expression within 5s.
//
// Note that an arbitrary amount of output may be consumed by the
// regular expression. This usually means that expect cannot be used
// after expectRegexp.
func (tt *testgeth) expectRegexp(resource string) (*regexp.Regexp, []string) {
var (
re = regexp.MustCompile(resource)
rtee = &runeTee{in: tt.stdout}
matches []int
)
tt.withKillTimeout(func() { matches = re.FindReaderSubmatchIndex(rtee) })
output := rtee.buf.Bytes()
if matches == nil {
tt.Fatalf("Output did not match:\n---------------- (stdout text)\n%s\n---------------- (regular expression)\n%s",
output, resource)
return re, nil
}
tt.Logf("Matched stdout text:\n%s", output)
var submatch []string
for i := 0; i < len(matches); i += 2 {
submatch = append(submatch, string(output[i:i+1]))
}
return re, submatch
}
// expectExit expects the child process to exit within 5s without
// printing any additional text on stdout.
func (tt *testgeth) expectExit() {
var output []byte
tt.withKillTimeout(func() {
output, _ = ioutil.ReadAll(tt.stdout)
})
tt.cmd.Wait()
if tt.removeDatadir {
os.RemoveAll(tt.Datadir)
}
if len(output) > 0 {
tt.Errorf("Unmatched stdout text:\n%s", output)
}
}
func (tt *testgeth) interrupt() {
tt.cmd.Process.Signal(os.Interrupt)
}
// stderrText returns any stderr output written so far.
// The returned text holds all log lines after expectExit has
// returned.
func (tt *testgeth) stderrText() string {
tt.stderr.mu.Lock()
defer tt.stderr.mu.Unlock()
return tt.stderr.buf.String()
}
func (tt *testgeth) withKillTimeout(fn func()) {
timeout := time.AfterFunc(5*time.Second, func() {
tt.Log("killing the child process (timeout)")
tt.cmd.Process.Kill()
if tt.removeDatadir {
os.RemoveAll(tt.Datadir)
}
})
defer timeout.Stop()
fn()
}
// testlogger logs all written lines via t.Log and also
// collects them for later inspection.
type testlogger struct {
t *testing.T
mu sync.Mutex
buf bytes.Buffer
}
func (tl *testlogger) Write(b []byte) (n int, err error) {
lines := bytes.Split(b, []byte("\n"))
for _, line := range lines {
if len(line) > 0 {
tl.t.Logf("(stderr) %s", line)
}
}
tl.mu.Lock()
tl.buf.Write(b)
tl.mu.Unlock()
return len(b), err
}
// runeTee collects text read through it into buf.
type runeTee struct {
in interface {
io.Reader
io.ByteReader
io.RuneReader
}
buf bytes.Buffer
}
func (rtee *runeTee) Read(b []byte) (n int, err error) {
n, err = rtee.in.Read(b)
rtee.buf.Write(b[:n])
return n, err
}
func (rtee *runeTee) ReadRune() (r rune, size int, err error) {
r, size, err = rtee.in.ReadRune()
if err == nil {
rtee.buf.WriteRune(r)
}
return r, size, err
}
func (rtee *runeTee) ReadByte() (b byte, err error) {
b, err = rtee.in.ReadByte()
if err == nil {
rtee.buf.WriteByte(b)
}
return b, err
}

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// Copyright 2016 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"fmt"
"io/ioutil"
"net"
"os"
"path/filepath"
"runtime"
"testing"
"time"
"github.com/docker/docker/pkg/reexec"
"github.com/ethereum/go-ethereum/accounts/keystore"
"github.com/ethereum/go-ethereum/internal/cmdtest"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/rpc"
"github.com/ethereum/go-ethereum/swarm"
)
func init() {
// Run the app if we've been exec'd as "swarm-test" in runSwarm.
reexec.Register("swarm-test", func() {
if err := app.Run(os.Args); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
os.Exit(0)
})
}
func TestMain(m *testing.M) {
// check if we have been reexec'd
if reexec.Init() {
return
}
os.Exit(m.Run())
}
func runSwarm(t *testing.T, args ...string) *cmdtest.TestCmd {
tt := cmdtest.NewTestCmd(t, nil)
// Boot "swarm". This actually runs the test binary but the TestMain
// function will prevent any tests from running.
tt.Run("swarm-test", args...)
return tt
}
type testCluster struct {
Nodes []*testNode
TmpDir string
}
// newTestCluster starts a test swarm cluster of the given size.
//
// A temporary directory is created and each node gets a data directory inside
// it.
//
// Each node listens on 127.0.0.1 with random ports for both the HTTP and p2p
// ports (assigned by first listening on 127.0.0.1:0 and then passing the ports
// as flags).
//
// When starting more than one node, they are connected together using the
// admin SetPeer RPC method.
func newTestCluster(t *testing.T, size int) *testCluster {
cluster := &testCluster{}
defer func() {
if t.Failed() {
cluster.Shutdown()
}
}()
tmpdir, err := ioutil.TempDir("", "swarm-test")
if err != nil {
t.Fatal(err)
}
cluster.TmpDir = tmpdir
// start the nodes
cluster.Nodes = make([]*testNode, 0, size)
for i := 0; i < size; i++ {
dir := filepath.Join(cluster.TmpDir, fmt.Sprintf("swarm%02d", i))
if err := os.Mkdir(dir, 0700); err != nil {
t.Fatal(err)
}
node := newTestNode(t, dir)
node.Name = fmt.Sprintf("swarm%02d", i)
cluster.Nodes = append(cluster.Nodes, node)
}
if size == 1 {
return cluster
}
// connect the nodes together
for _, node := range cluster.Nodes {
if err := node.Client.Call(nil, "admin_addPeer", cluster.Nodes[0].Enode); err != nil {
t.Fatal(err)
}
}
// wait until all nodes have the correct number of peers
outer:
for _, node := range cluster.Nodes {
var peers []*p2p.PeerInfo
for start := time.Now(); time.Since(start) < time.Minute; time.Sleep(50 * time.Millisecond) {
if err := node.Client.Call(&peers, "admin_peers"); err != nil {
t.Fatal(err)
}
if len(peers) == len(cluster.Nodes)-1 {
continue outer
}
}
t.Fatalf("%s only has %d / %d peers", node.Name, len(peers), len(cluster.Nodes)-1)
}
return cluster
}
func (c *testCluster) Shutdown() {
for _, node := range c.Nodes {
node.Shutdown()
}
os.RemoveAll(c.TmpDir)
}
type testNode struct {
Name string
Addr string
URL string
Enode string
Dir string
Client *rpc.Client
Cmd *cmdtest.TestCmd
}
const testPassphrase = "swarm-test-passphrase"
func newTestNode(t *testing.T, dir string) *testNode {
// create key
conf := &node.Config{
DataDir: dir,
IPCPath: "bzzd.ipc",
}
n, err := node.New(conf)
if err != nil {
t.Fatal(err)
}
account, err := n.AccountManager().Backends(keystore.KeyStoreType)[0].(*keystore.KeyStore).NewAccount(testPassphrase)
if err != nil {
t.Fatal(err)
}
node := &testNode{Dir: dir}
// use a unique IPCPath when running tests on Windows
if runtime.GOOS == "windows" {
conf.IPCPath = fmt.Sprintf("bzzd-%s.ipc", account.Address.String())
}
// assign ports
httpPort, err := assignTCPPort()
if err != nil {
t.Fatal(err)
}
p2pPort, err := assignTCPPort()
if err != nil {
t.Fatal(err)
}
// start the node
node.Cmd = runSwarm(t,
"--port", p2pPort,
"--nodiscover",
"--datadir", dir,
"--ipcpath", conf.IPCPath,
"--ethapi", "",
"--bzzaccount", account.Address.String(),
"--bzznetworkid", "321",
"--bzzport", httpPort,
"--verbosity", "6",
)
node.Cmd.InputLine(testPassphrase)
defer func() {
if t.Failed() {
node.Shutdown()
}
}()
// wait for the node to start
for start := time.Now(); time.Since(start) < 10*time.Second; time.Sleep(50 * time.Millisecond) {
node.Client, err = rpc.Dial(conf.IPCEndpoint())
if err == nil {
break
}
}
if node.Client == nil {
t.Fatal(err)
}
// load info
var info swarm.Info
if err := node.Client.Call(&info, "bzz_info"); err != nil {
t.Fatal(err)
}
node.Addr = net.JoinHostPort("127.0.0.1", info.Port)
node.URL = "http://" + node.Addr
var nodeInfo p2p.NodeInfo
if err := node.Client.Call(&nodeInfo, "admin_nodeInfo"); err != nil {
t.Fatal(err)
}
node.Enode = fmt.Sprintf("enode://%s@127.0.0.1:%s", nodeInfo.ID, p2pPort)
return node
}
func (n *testNode) Shutdown() {
if n.Cmd != nil {
n.Cmd.Kill()
}
}
func assignTCPPort() (string, error) {
l, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
return "", err
}
l.Close()
_, port, err := net.SplitHostPort(l.Addr().String())
if err != nil {
return "", err
}
return port, nil
}

76
cmd/swarm/upload_test.go Normal file
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// Copyright 2016 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"io"
"io/ioutil"
"net/http"
"os"
"testing"
)
// TestCLISwarmUp tests that running 'swarm up' makes the resulting file
// available from all nodes via the HTTP API
func TestCLISwarmUp(t *testing.T) {
// start 3 node cluster
t.Log("starting 3 node cluster")
cluster := newTestCluster(t, 3)
defer cluster.Shutdown()
// create a tmp file
tmp, err := ioutil.TempFile("", "swarm-test")
assertNil(t, err)
defer tmp.Close()
defer os.Remove(tmp.Name())
_, err = io.WriteString(tmp, "data")
assertNil(t, err)
// upload the file with 'swarm up' and expect a hash
t.Log("uploading file with 'swarm up'")
up := runSwarm(t, "--bzzapi", cluster.Nodes[0].URL, "up", tmp.Name())
_, matches := up.ExpectRegexp(`[a-f\d]{64}`)
up.ExpectExit()
hash := matches[0]
t.Logf("file uploaded with hash %s", hash)
// get the file from the HTTP API of each node
for _, node := range cluster.Nodes {
t.Logf("getting file from %s", node.Name)
res, err := http.Get(node.URL + "/bzz:/" + hash)
assertNil(t, err)
assertHTTPResponse(t, res, http.StatusOK, "data")
}
}
func assertNil(t *testing.T, err error) {
if err != nil {
t.Fatal(err)
}
}
func assertHTTPResponse(t *testing.T, res *http.Response, expectedStatus int, expectedBody string) {
defer res.Body.Close()
if res.StatusCode != expectedStatus {
t.Fatalf("expected HTTP status %d, got %s", expectedStatus, res.Status)
}
data, err := ioutil.ReadAll(res.Body)
assertNil(t, err)
if string(data) != expectedBody {
t.Fatalf("expected HTTP body %q, got %q", expectedBody, data)
}
}

270
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// Copyright 2016 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package cmdtest
import (
"bufio"
"bytes"
"fmt"
"io"
"io/ioutil"
"os"
"os/exec"
"regexp"
"sync"
"testing"
"text/template"
"time"
"github.com/docker/docker/pkg/reexec"
)
func NewTestCmd(t *testing.T, data interface{}) *TestCmd {
return &TestCmd{T: t, Data: data}
}
type TestCmd struct {
// For total convenience, all testing methods are available.
*testing.T
Func template.FuncMap
Data interface{}
Cleanup func()
cmd *exec.Cmd
stdout *bufio.Reader
stdin io.WriteCloser
stderr *testlogger
}
// Run exec's the current binary using name as argv[0] which will trigger the
// reexec init function for that name (e.g. "geth-test" in cmd/geth/run_test.go)
func (tt *TestCmd) Run(name string, args ...string) {
tt.stderr = &testlogger{t: tt.T}
tt.cmd = &exec.Cmd{
Path: reexec.Self(),
Args: append([]string{name}, args...),
Stderr: tt.stderr,
}
stdout, err := tt.cmd.StdoutPipe()
if err != nil {
tt.Fatal(err)
}
tt.stdout = bufio.NewReader(stdout)
if tt.stdin, err = tt.cmd.StdinPipe(); err != nil {
tt.Fatal(err)
}
if err := tt.cmd.Start(); err != nil {
tt.Fatal(err)
}
}
// InputLine writes the given text to the childs stdin.
// This method can also be called from an expect template, e.g.:
//
// geth.expect(`Passphrase: {{.InputLine "password"}}`)
func (tt *TestCmd) InputLine(s string) string {
io.WriteString(tt.stdin, s+"\n")
return ""
}
func (tt *TestCmd) SetTemplateFunc(name string, fn interface{}) {
if tt.Func == nil {
tt.Func = make(map[string]interface{})
}
tt.Func[name] = fn
}
// Expect runs its argument as a template, then expects the
// child process to output the result of the template within 5s.
//
// If the template starts with a newline, the newline is removed
// before matching.
func (tt *TestCmd) Expect(tplsource string) {
// Generate the expected output by running the template.
tpl := template.Must(template.New("").Funcs(tt.Func).Parse(tplsource))
wantbuf := new(bytes.Buffer)
if err := tpl.Execute(wantbuf, tt.Data); err != nil {
panic(err)
}
// Trim exactly one newline at the beginning. This makes tests look
// much nicer because all expect strings are at column 0.
want := bytes.TrimPrefix(wantbuf.Bytes(), []byte("\n"))
if err := tt.matchExactOutput(want); err != nil {
tt.Fatal(err)
}
tt.Logf("Matched stdout text:\n%s", want)
}
func (tt *TestCmd) matchExactOutput(want []byte) error {
buf := make([]byte, len(want))
n := 0
tt.withKillTimeout(func() { n, _ = io.ReadFull(tt.stdout, buf) })
buf = buf[:n]
if n < len(want) || !bytes.Equal(buf, want) {
// Grab any additional buffered output in case of mismatch
// because it might help with debugging.
buf = append(buf, make([]byte, tt.stdout.Buffered())...)
tt.stdout.Read(buf[n:])
// Find the mismatch position.
for i := 0; i < n; i++ {
if want[i] != buf[i] {
return fmt.Errorf("Output mismatch at ◊:\n---------------- (stdout text)\n%s◊%s\n---------------- (expected text)\n%s",
buf[:i], buf[i:n], want)
}
}
if n < len(want) {
return fmt.Errorf("Not enough output, got until ◊:\n---------------- (stdout text)\n%s\n---------------- (expected text)\n%s◊%s",
buf, want[:n], want[n:])
}
}
return nil
}
// ExpectRegexp expects the child process to output text matching the
// given regular expression within 5s.
//
// Note that an arbitrary amount of output may be consumed by the
// regular expression. This usually means that expect cannot be used
// after ExpectRegexp.
func (tt *TestCmd) ExpectRegexp(resource string) (*regexp.Regexp, []string) {
var (
re = regexp.MustCompile(resource)
rtee = &runeTee{in: tt.stdout}
matches []int
)
tt.withKillTimeout(func() { matches = re.FindReaderSubmatchIndex(rtee) })
output := rtee.buf.Bytes()
if matches == nil {
tt.Fatalf("Output did not match:\n---------------- (stdout text)\n%s\n---------------- (regular expression)\n%s",
output, resource)
return re, nil
}
tt.Logf("Matched stdout text:\n%s", output)
var submatches []string
for i := 0; i < len(matches); i += 2 {
submatch := string(output[matches[i]:matches[i+1]])
submatches = append(submatches, submatch)
}
return re, submatches
}
// ExpectExit expects the child process to exit within 5s without
// printing any additional text on stdout.
func (tt *TestCmd) ExpectExit() {
var output []byte
tt.withKillTimeout(func() {
output, _ = ioutil.ReadAll(tt.stdout)
})
tt.WaitExit()
if tt.Cleanup != nil {
tt.Cleanup()
}
if len(output) > 0 {
tt.Errorf("Unmatched stdout text:\n%s", output)
}
}
func (tt *TestCmd) WaitExit() {
tt.cmd.Wait()
}
func (tt *TestCmd) Interrupt() {
tt.cmd.Process.Signal(os.Interrupt)
}
// StderrText returns any stderr output written so far.
// The returned text holds all log lines after ExpectExit has
// returned.
func (tt *TestCmd) StderrText() string {
tt.stderr.mu.Lock()
defer tt.stderr.mu.Unlock()
return tt.stderr.buf.String()
}
func (tt *TestCmd) CloseStdin() {
tt.stdin.Close()
}
func (tt *TestCmd) Kill() {
tt.cmd.Process.Kill()
if tt.Cleanup != nil {
tt.Cleanup()
}
}
func (tt *TestCmd) withKillTimeout(fn func()) {
timeout := time.AfterFunc(5*time.Second, func() {
tt.Log("killing the child process (timeout)")
tt.Kill()
})
defer timeout.Stop()
fn()
}
// testlogger logs all written lines via t.Log and also
// collects them for later inspection.
type testlogger struct {
t *testing.T
mu sync.Mutex
buf bytes.Buffer
}
func (tl *testlogger) Write(b []byte) (n int, err error) {
lines := bytes.Split(b, []byte("\n"))
for _, line := range lines {
if len(line) > 0 {
tl.t.Logf("(stderr) %s", line)
}
}
tl.mu.Lock()
tl.buf.Write(b)
tl.mu.Unlock()
return len(b), err
}
// runeTee collects text read through it into buf.
type runeTee struct {
in interface {
io.Reader
io.ByteReader
io.RuneReader
}
buf bytes.Buffer
}
func (rtee *runeTee) Read(b []byte) (n int, err error) {
n, err = rtee.in.Read(b)
rtee.buf.Write(b[:n])
return n, err
}
func (rtee *runeTee) ReadRune() (r rune, size int, err error) {
r, size, err = rtee.in.ReadRune()
if err == nil {
rtee.buf.WriteRune(r)
}
return r, size, err
}
func (rtee *runeTee) ReadByte() (b byte, err error) {
b, err = rtee.in.ReadByte()
if err == nil {
rtee.buf.WriteByte(b)
}
return b, err
}

191
vendor/github.com/docker/docker/LICENSE generated vendored Normal file
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@ -0,0 +1,191 @@
Apache License
Version 2.0, January 2004
https://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
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or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
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Work or Derivative Works thereof in any medium, with or without
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meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
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(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
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within such NOTICE file, excluding those notices that do not
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of the following places: within a NOTICE text file distributed
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wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
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as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
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on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
Copyright 2013-2017 Docker, 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
https://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.

19
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Docker
Copyright 2012-2017 Docker, Inc.
This product includes software developed at Docker, Inc. (https://www.docker.com).
This product contains software (https://github.com/kr/pty) developed
by Keith Rarick, licensed under the MIT License.
The following is courtesy of our legal counsel:
Use and transfer of Docker may be subject to certain restrictions by the
United States and other governments.
It is your responsibility to ensure that your use and/or transfer does not
violate applicable laws.
For more information, please see https://www.bis.doc.gov
See also https://www.apache.org/dev/crypto.html and/or seek legal counsel.

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# reexec
The `reexec` package facilitates the busybox style reexec of the docker binary that we require because
of the forking limitations of using Go. Handlers can be registered with a name and the argv 0 of
the exec of the binary will be used to find and execute custom init paths.

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// +build linux
package reexec
import (
"os/exec"
"syscall"
)
// Self returns the path to the current process's binary.
// Returns "/proc/self/exe".
func Self() string {
return "/proc/self/exe"
}
// Command returns *exec.Cmd which has Path as current binary. Also it setting
// SysProcAttr.Pdeathsig to SIGTERM.
// This will use the in-memory version (/proc/self/exe) of the current binary,
// it is thus safe to delete or replace the on-disk binary (os.Args[0]).
func Command(args ...string) *exec.Cmd {
return &exec.Cmd{
Path: Self(),
Args: args,
SysProcAttr: &syscall.SysProcAttr{
Pdeathsig: syscall.SIGTERM,
},
}
}

23
vendor/github.com/docker/docker/pkg/reexec/command_unix.go generated vendored Normal file
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@ -0,0 +1,23 @@
// +build freebsd solaris darwin
package reexec
import (
"os/exec"
)
// Self returns the path to the current process's binary.
// Uses os.Args[0].
func Self() string {
return naiveSelf()
}
// Command returns *exec.Cmd which has Path as current binary.
// For example if current binary is "docker" at "/usr/bin/", then cmd.Path will
// be set to "/usr/bin/docker".
func Command(args ...string) *exec.Cmd {
return &exec.Cmd{
Path: Self(),
Args: args,
}
}

12
vendor/github.com/docker/docker/pkg/reexec/command_unsupported.go generated vendored Normal file
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@ -0,0 +1,12 @@
// +build !linux,!windows,!freebsd,!solaris,!darwin
package reexec
import (
"os/exec"
)
// Command is unsupported on operating systems apart from Linux, Windows, Solaris and Darwin.
func Command(args ...string) *exec.Cmd {
return nil
}

23
vendor/github.com/docker/docker/pkg/reexec/command_windows.go generated vendored Normal file
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@ -0,0 +1,23 @@
// +build windows
package reexec
import (
"os/exec"
)
// Self returns the path to the current process's binary.
// Uses os.Args[0].
func Self() string {
return naiveSelf()
}
// Command returns *exec.Cmd which has Path as current binary.
// For example if current binary is "docker.exe" at "C:\", then cmd.Path will
// be set to "C:\docker.exe".
func Command(args ...string) *exec.Cmd {
return &exec.Cmd{
Path: Self(),
Args: args,
}
}

47
vendor/github.com/docker/docker/pkg/reexec/reexec.go generated vendored Normal file
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package reexec
import (
"fmt"
"os"
"os/exec"
"path/filepath"
)
var registeredInitializers = make(map[string]func())
// Register adds an initialization func under the specified name
func Register(name string, initializer func()) {
if _, exists := registeredInitializers[name]; exists {
panic(fmt.Sprintf("reexec func already registered under name %q", name))
}
registeredInitializers[name] = initializer
}
// Init is called as the first part of the exec process and returns true if an
// initialization function was called.
func Init() bool {
initializer, exists := registeredInitializers[os.Args[0]]
if exists {
initializer()
return true
}
return false
}
func naiveSelf() string {
name := os.Args[0]
if filepath.Base(name) == name {
if lp, err := exec.LookPath(name); err == nil {
return lp
}
}
// handle conversion of relative paths to absolute
if absName, err := filepath.Abs(name); err == nil {
return absName
}
// if we couldn't get absolute name, return original
// (NOTE: Go only errors on Abs() if os.Getwd fails)
return name
}

6
vendor/vendor.json vendored
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@ -74,6 +74,12 @@
"revision": "2268707a8f0843315e2004ee4f1d021dc08baedf",
"revisionTime": "2017-02-01T22:58:49Z"
},
{
"checksumSHA1": "lutCa+IVM60R1OYBm9RtDAW50Ys=",
"path": "github.com/docker/docker/pkg/reexec",
"revision": "83ee902ecc3790c33c1e2d87334074436056bb49",
"revisionTime": "2017-04-22T21:51:12Z"
},
{
"checksumSHA1": "zYnPsNAVm1/ViwCkN++dX2JQhBo=",
"path": "github.com/edsrzf/mmap-go",