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Revendor hcsshim 

Signed-off-by: Darren Stahl <darst@microsoft.com>
This commit is contained in:
Darren Stahl 2016-05-31 12:51:29 -07:00
parent 0b5e84cc8d
commit d96e36cbbf
7 changed files with 168 additions and 114 deletions
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2
hack/vendor.sh
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@ -43,7 +43,7 @@ esac
# the following lines are in sorted order, FYI
clone git github.com/Azure/go-ansiterm 388960b655244e76e24c75f48631564eaefade62
clone git github.com/Microsoft/hcsshim v0.3.0
clone git github.com/Microsoft/hcsshim v0.3.1
clone git github.com/Microsoft/go-winio v0.3.4
clone git github.com/Sirupsen/logrus v0.10.0 # logrus is a common dependency among multiple deps
clone git github.com/docker/libtrust 9cbd2a1374f46905c68a4eb3694a130610adc62a

15
integration-cli/docker_cli_build_test.go
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@ -6740,3 +6740,18 @@ func (s *DockerSuite) TestBuildLabelsOverride(c *check.C) {
}
}
// Test case for #22855
func (s *DockerSuite) TestBuildDeleteCommittedFile(c *check.C) {
name := "test-delete-committed-file"
_, err := buildImage(name,
`FROM busybox
RUN echo test > file
RUN test -e file
RUN rm file
RUN sh -c "! test -e file"`, false)
if err != nil {
c.Fatal(err)
}
}

49
vendor/src/github.com/Microsoft/hcsshim/callback.go vendored
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@ -40,39 +40,36 @@ type hcsNotification uint32
type notificationChannel chan error
type notifcationWatcherContext struct {
channel notificationChannel
expectedNotification hcsNotification
handle hcsCallback
channels notificationChannels
handle hcsCallback
}
type notificationChannels map[hcsNotification]notificationChannel
func newChannels() notificationChannels {
channels := make(notificationChannels)
channels[hcsNotificationSystemExited] = make(notificationChannel, 1)
channels[hcsNotificationSystemCreateCompleted] = make(notificationChannel, 1)
channels[hcsNotificationSystemStartCompleted] = make(notificationChannel, 1)
channels[hcsNotificationSystemPauseCompleted] = make(notificationChannel, 1)
channels[hcsNotificationSystemResumeCompleted] = make(notificationChannel, 1)
channels[hcsNotificationProcessExited] = make(notificationChannel, 1)
channels[hcsNotificationServiceDisconnect] = make(notificationChannel, 1)
return channels
}
func notificationWatcher(notificationType hcsNotification, callbackNumber uintptr, notificationStatus uintptr, notificationData *uint16) uintptr {
var (
result error
completeWait = false
)
var result error
if int32(notificationStatus) < 0 {
result = syscall.Errno(win32FromHresult(notificationStatus))
}
callbackMapLock.RLock()
context := callbackMap[callbackNumber]
channels := callbackMap[callbackNumber].channels
callbackMapLock.RUnlock()
if notificationType == context.expectedNotification {
if int32(notificationStatus) < 0 {
result = syscall.Errno(win32FromHresult(notificationStatus))
} else {
result = nil
}
completeWait = true
} else if notificationType == hcsNotificationSystemExited {
result = ErrUnexpectedContainerExit
completeWait = true
} else if notificationType == hcsNotificationServiceDisconnect {
result = ErrUnexpectedProcessAbort
completeWait = true
}
if completeWait {
context.channel <- result
}
channels[notificationType] <- result
return 0
}

75
vendor/src/github.com/Microsoft/hcsshim/container.go vendored
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@ -26,8 +26,9 @@ type ContainerError struct {
}
type container struct {
handle hcsSystem
id string
handle hcsSystem
id string
callbackNumber uintptr
}
type containerProperties struct {
@ -47,7 +48,6 @@ type containerProperties struct {
func CreateContainer(id string, c *ContainerConfig) (Container, error) {
operation := "CreateContainer"
title := "HCSShim::" + operation
logrus.Debugf(title+" id=%s", id)
container := &container{
id: id,
@ -59,21 +59,28 @@ func CreateContainer(id string, c *ContainerConfig) (Container, error) {
}
configuration := string(configurationb)
logrus.Debugf(title+" id=%s config=%s", id, configuration)
var (
handle hcsSystem
resultp *uint16
createError error
)
if hcsCallbacksSupported {
var identity syscall.Handle
createError = hcsCreateComputeSystem(id, configuration, identity, &handle, &resultp)
} else {
createError = hcsCreateComputeSystemTP5(id, configuration, &handle, &resultp)
}
container.handle = handle
createError = hcsCreateComputeSystem(id, configuration, identity, &container.handle, &resultp)
err = processAsyncHcsResult(container, createError, resultp, hcsNotificationSystemCreateCompleted, &defaultTimeout)
if createError == nil || createError == ErrVmcomputeOperationPending {
if err := container.registerCallback(); err != nil {
err := &ContainerError{Container: container, Operation: operation, Err: err}
logrus.Error(err)
return nil, err
}
}
} else {
createError = hcsCreateComputeSystemTP5(id, configuration, &container.handle, &resultp)
}
err = processAsyncHcsResult(createError, resultp, container.callbackNumber, hcsNotificationSystemCreateCompleted, &defaultTimeout)
if err != nil {
err := &ContainerError{Container: container, Operation: operation, ExtraInfo: configuration, Err: err}
logrus.Error(err)
@ -122,7 +129,7 @@ func (container *container) Start() error {
var resultp *uint16
err := hcsStartComputeSystemTP5(container.handle, nil, &resultp)
err = processAsyncHcsResult(container, err, resultp, hcsNotificationSystemStartCompleted, &defaultTimeout)
err = processAsyncHcsResult(err, resultp, container.callbackNumber, hcsNotificationSystemStartCompleted, &defaultTimeout)
if err != nil {
err := &ContainerError{Container: container, Operation: operation, Err: err}
logrus.Error(err)
@ -186,7 +193,7 @@ func (container *container) Wait() error {
logrus.Debugf(title+" id=%s", container.id)
if hcsCallbacksSupported {
err := registerAndWaitForCallback(container, hcsNotificationSystemExited)
err := waitForNotification(container.callbackNumber, hcsNotificationSystemExited, nil)
if err != nil {
err := &ContainerError{Container: container, Operation: operation, Err: err}
logrus.Error(err)
@ -217,7 +224,7 @@ func (container *container) WaitTimeout(timeout time.Duration) error {
logrus.Debugf(title+" id=%s", container.id)
if hcsCallbacksSupported {
err := registerAndWaitForCallbackTimeout(container, hcsNotificationSystemExited, timeout)
err := waitForNotification(container.callbackNumber, hcsNotificationSystemExited, &timeout)
if err == ErrTimeout {
return ErrTimeout
} else if err != nil {
@ -304,7 +311,7 @@ func (container *container) Pause() error {
var resultp *uint16
err := hcsPauseComputeSystemTP5(container.handle, nil, &resultp)
err = processAsyncHcsResult(container, err, resultp, hcsNotificationSystemPauseCompleted, &defaultTimeout)
err = processAsyncHcsResult(err, resultp, container.callbackNumber, hcsNotificationSystemPauseCompleted, &defaultTimeout)
if err != nil {
err := &ContainerError{Container: container, Operation: operation, Err: err}
logrus.Error(err)
@ -325,7 +332,7 @@ func (container *container) Resume() error {
)
err := hcsResumeComputeSystemTP5(container.handle, nil, &resultp)
err = processAsyncHcsResult(container, err, resultp, hcsNotificationSystemResumeCompleted, &defaultTimeout)
err = processAsyncHcsResult(err, resultp, container.callbackNumber, hcsNotificationSystemResumeCompleted, &defaultTimeout)
if err != nil {
err := &ContainerError{Container: container, Operation: operation, Err: err}
logrus.Error(err)
@ -340,7 +347,6 @@ func (container *container) Resume() error {
func (container *container) CreateProcess(c *ProcessConfig) (Process, error) {
operation := "CreateProcess"
title := "HCSShim::Container::" + operation
logrus.Debugf(title+" id=%s", container.id)
var (
processInfo hcsProcessInformation
processHandle hcsProcess
@ -359,6 +365,7 @@ func (container *container) CreateProcess(c *ProcessConfig) (Process, error) {
}
configuration := string(configurationb)
logrus.Debugf(title+" id=%s config=%s", container.id, configuration)
err = hcsCreateProcess(container.handle, configuration, &processInfo, &processHandle, &resultp)
err = processHcsResult(err, resultp)
@ -379,6 +386,14 @@ func (container *container) CreateProcess(c *ProcessConfig) (Process, error) {
},
}
if hcsCallbacksSupported {
if err := process.registerCallback(); err != nil {
err = &ContainerError{Container: container, Operation: operation, Err: err}
logrus.Error(err)
return nil, err
}
}
logrus.Debugf(title+" succeeded id=%s processid=%s", container.id, process.processID)
runtime.SetFinalizer(process, closeProcess)
return process, nil
@ -408,6 +423,12 @@ func (container *container) OpenProcess(pid int) (Process, error) {
container: container,
}
if err := process.registerCallback(); err != nil {
err = &ContainerError{Container: container, Operation: operation, Err: err}
logrus.Error(err)
return nil, err
}
logrus.Debugf(title+" succeeded id=%s processid=%s", container.id, process.processID)
runtime.SetFinalizer(process, closeProcess)
return process, nil
@ -424,6 +445,14 @@ func (container *container) Close() error {
return nil
}
if hcsCallbacksSupported {
if err := container.unregisterCallback(); err != nil {
err = &ContainerError{Container: container, Operation: operation, Err: err}
logrus.Error(err)
return err
}
}
if err := hcsCloseComputeSystem(container.handle); err != nil {
err = &ContainerError{Container: container, Operation: operation, Err: err}
logrus.Error(err)
@ -441,7 +470,7 @@ func closeContainer(container *container) {
container.Close()
}
func (container *container) registerCallback(expectedNotification hcsNotification) (uintptr, error) {
func (container *container) registerCallback() error {
callbackMapLock.Lock()
defer callbackMapLock.Unlock()
@ -449,22 +478,24 @@ func (container *container) registerCallback(expectedNotification hcsNotificatio
nextCallback++
context := &notifcationWatcherContext{
expectedNotification: expectedNotification,
channel: make(chan error, 1),
channels: newChannels(),
}
callbackMap[callbackNumber] = context
var callbackHandle hcsCallback
err := hcsRegisterComputeSystemCallback(container.handle, notificationWatcherCallback, callbackNumber, &callbackHandle)
if err != nil {
return 0, err
return err
}
context.handle = callbackHandle
container.callbackNumber = callbackNumber
return callbackNumber, nil
return nil
}
func (container *container) unregisterCallback(callbackNumber uintptr) error {
func (container *container) unregisterCallback() error {
callbackNumber := container.callbackNumber
callbackMapLock.Lock()
defer callbackMapLock.Unlock()

11
vendor/src/github.com/Microsoft/hcsshim/legacy.go vendored
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@ -4,6 +4,7 @@ import (
"bufio"
"encoding/binary"
"errors"
"fmt"
"io"
"os"
"path/filepath"
@ -77,7 +78,7 @@ func readTombstones(path string) (map[string]([]string), error) {
ts := make(map[string]([]string))
for s.Scan() {
t := s.Text()[1:] // skip leading `\`
t := filepath.Join("Files", s.Text()[1:]) // skip leading `\`
dir := filepath.Dir(t)
ts[dir] = append(ts[dir], t)
}
@ -107,6 +108,7 @@ func (r *legacyLayerReader) walkUntilCancelled() error {
if path == r.root || path == filepath.Join(r.root, "tombstones.txt") || strings.HasSuffix(path, ".$wcidirs$") {
return nil
}
r.result <- &fileEntry{path, info, nil}
if !<-r.proceed {
return errorIterationCanceled
@ -120,7 +122,7 @@ func (r *legacyLayerReader) walkUntilCancelled() error {
}
if dts, ok := ts[relPath]; ok {
for _, t := range dts {
r.result <- &fileEntry{t, nil, nil}
r.result <- &fileEntry{filepath.Join(r.root, t), nil, nil}
if !<-r.proceed {
return errorIterationCanceled
}
@ -397,7 +399,10 @@ func (w *legacyLayerWriter) AddLink(name string, target string) error {
}
func (w *legacyLayerWriter) Remove(name string) error {
w.tombstones = append(w.tombstones, name)
if !strings.HasPrefix(name, `Files\`) {
return fmt.Errorf("invalid tombstone %s", name)
}
w.tombstones = append(w.tombstones, name[len(`Files\`):])
return nil
}

36
vendor/src/github.com/Microsoft/hcsshim/process.go vendored
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@ -22,11 +22,11 @@ type ProcessError struct {
}
type process struct {
handle hcsProcess
processID int
container *container
cachedPipes *cachedPipes
killCallbackNumber uintptr
handle hcsProcess
processID int
container *container
cachedPipes *cachedPipes
callbackNumber uintptr
}
type cachedPipes struct {
@ -101,7 +101,7 @@ func (process *process) Wait() error {
logrus.Debugf(title+" processid=%d", process.processID)
if hcsCallbacksSupported {
err := registerAndWaitForCallback(process, hcsNotificationProcessExited)
err := waitForNotification(process.callbackNumber, hcsNotificationProcessExited, nil)
if err != nil {
err := &ProcessError{Operation: operation, Process: process, Err: err}
logrus.Error(err)
@ -128,7 +128,7 @@ func (process *process) WaitTimeout(timeout time.Duration) error {
logrus.Debugf(title+" processid=%d", process.processID)
if hcsCallbacksSupported {
err := registerAndWaitForCallbackTimeout(process, hcsNotificationProcessExited, timeout)
err := waitForNotification(process.callbackNumber, hcsNotificationProcessExited, &timeout)
if err == ErrTimeout {
return ErrTimeout
} else if err != nil {
@ -344,6 +344,14 @@ func (process *process) Close() error {
return nil
}
if hcsCallbacksSupported {
if err := process.unregisterCallback(); err != nil {
err = &ProcessError{Operation: operation, Process: process, Err: err}
logrus.Error(err)
return err
}
}
if err := hcsCloseProcess(process.handle); err != nil {
err = &ProcessError{Operation: operation, Process: process, Err: err}
logrus.Error(err)
@ -361,7 +369,7 @@ func closeProcess(process *process) {
process.Close()
}
func (process *process) registerCallback(expectedNotification hcsNotification) (uintptr, error) {
func (process *process) registerCallback() error {
callbackMapLock.Lock()
defer callbackMapLock.Unlock()
@ -369,22 +377,24 @@ func (process *process) registerCallback(expectedNotification hcsNotification) (
nextCallback++
context := &notifcationWatcherContext{
expectedNotification: expectedNotification,
channel: make(chan error, 1),
channels: newChannels(),
}
callbackMap[callbackNumber] = context
var callbackHandle hcsCallback
err := hcsRegisterProcessCallback(process.handle, notificationWatcherCallback, callbackNumber, &callbackHandle)
if err != nil {
return 0, err
return err
}
context.handle = callbackHandle
process.callbackNumber = callbackNumber
return callbackNumber, nil
return nil
}
func (process *process) unregisterCallback(callbackNumber uintptr) error {
func (process *process) unregisterCallback() error {
callbackNumber := process.callbackNumber
callbackMapLock.Lock()
defer callbackMapLock.Unlock()
handle := callbackMap[callbackNumber].handle

94
vendor/src/github.com/Microsoft/hcsshim/waithelper.go vendored
View File

@ -1,6 +1,7 @@
package hcsshim
import (
"github.com/Sirupsen/logrus"
"syscall"
"time"
)
@ -10,11 +11,6 @@ type waitable interface {
hcsWait(timeout uint32) (bool, error)
}
type callbackable interface {
registerCallback(expectedNotification hcsNotification) (uintptr, error)
unregisterCallback(callbackNumber uintptr) error
}
func waitTimeoutHelper(object waitable, timeout time.Duration) (bool, error) {
var (
millis uint32
@ -52,62 +48,62 @@ func waitForSingleObject(handle syscall.Handle, timeout uint32) (bool, error) {
}
}
func processAsyncHcsResult(object callbackable, err error, resultp *uint16, expectedNotification hcsNotification, timeout *time.Duration) error {
func processAsyncHcsResult(err error, resultp *uint16, callbackNumber uintptr, expectedNotification hcsNotification, timeout *time.Duration) error {
err = processHcsResult(err, resultp)
if err == ErrVmcomputeOperationPending {
if timeout != nil {
err = registerAndWaitForCallbackTimeout(object, expectedNotification, *timeout)
} else {
err = registerAndWaitForCallback(object, expectedNotification)
}
return waitForNotification(callbackNumber, expectedNotification, timeout)
}
return err
}
func registerAndWaitForCallbackTimeout(object callbackable, expectedNotification hcsNotification, timeout time.Duration) error {
callbackNumber, err := object.registerCallback(expectedNotification)
if err != nil {
return err
}
defer object.unregisterCallback(callbackNumber)
return waitForNotificationTimeout(callbackNumber, timeout)
}
func registerAndWaitForCallback(object callbackable, expectedNotification hcsNotification) error {
callbackNumber, err := object.registerCallback(expectedNotification)
if err != nil {
return err
}
defer object.unregisterCallback(callbackNumber)
return waitForNotification(callbackNumber)
}
func waitForNotificationTimeout(callbackNumber uintptr, timeout time.Duration) error {
func waitForNotification(callbackNumber uintptr, expectedNotification hcsNotification, timeout *time.Duration) error {
callbackMapLock.RLock()
channel := callbackMap[callbackNumber].channel
channels := callbackMap[callbackNumber].channels
callbackMapLock.RUnlock()
timer := time.NewTimer(timeout)
defer timer.Stop()
expectedChannel := channels[expectedNotification]
if expectedChannel == nil {
logrus.Errorf("unknown notification type in waitForNotification %x", expectedNotification)
}
if timeout != nil {
timer := time.NewTimer(*timeout)
defer timer.Stop()
select {
case err := <-expectedChannel:
return err
case err := <-channels[hcsNotificationSystemExited]:
// If the expected notification is hcsNotificationSystemExited which of the two selects
// chosen is random. Return the raw error if hcsNotificationSystemExited is expected
if channels[hcsNotificationSystemExited] == expectedChannel {
return err
}
return ErrUnexpectedContainerExit
case err := <-channels[hcsNotificationServiceDisconnect]:
// hcsNotificationServiceDisconnect should never be an expected notification
// it does not need the same handling as hcsNotificationSystemExited
logrus.Error(err)
return ErrUnexpectedProcessAbort
case <-timer.C:
return ErrTimeout
}
}
select {
case err := <-channel:
return err
case <-timer.C:
return ErrTimeout
}
}
func waitForNotification(callbackNumber uintptr) error {
callbackMapLock.RLock()
channel := callbackMap[callbackNumber].channel
callbackMapLock.RUnlock()
select {
case err := <-channel:
case err := <-expectedChannel:
return err
case err := <-channels[hcsNotificationSystemExited]:
// If the expected notification is hcsNotificationSystemExited which of the two selects
// chosen is random. Return the raw error if hcsNotificationSystemExited is expected
if channels[hcsNotificationSystemExited] == expectedChannel {
return err
}
return ErrUnexpectedContainerExit
case err := <-channels[hcsNotificationServiceDisconnect]:
// hcsNotificationServiceDisconnect should never be an expected notification
// it does not need the same handling as hcsNotificationSystemExited
logrus.Error(err)
return ErrUnexpectedProcessAbort
}
}