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Code Issues Packages Projects Releases 1 Wiki Activity

Bump microsoft/hcsshim to v0.8.7

Browse Source 
Signed-off-by: ulyssessouza <ulyssessouza@gmail.com>
This commit is contained in:
ulyssessouza
2019-12-11 14:35:32 +01:00
parent 3ff9abca3a
commit f2be09f4e4
226 changed files with 32321 additions and 5426 deletions
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102
vendor/github.com/Microsoft/hcsshim/internal/hcs/callback.go generated vendored
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@ -1,10 +1,13 @@
package hcs
import (
"fmt"
"sync"
"syscall"
"github.com/Microsoft/hcsshim/internal/interop"
"github.com/Microsoft/hcsshim/internal/logfields"
"github.com/Microsoft/hcsshim/internal/vmcompute"
"github.com/sirupsen/logrus"
)
@ -40,35 +43,83 @@ var (
)
type hcsNotification uint32
func (hn hcsNotification) String() string {
switch hn {
case hcsNotificationSystemExited:
return "SystemExited"
case hcsNotificationSystemCreateCompleted:
return "SystemCreateCompleted"
case hcsNotificationSystemStartCompleted:
return "SystemStartCompleted"
case hcsNotificationSystemPauseCompleted:
return "SystemPauseCompleted"
case hcsNotificationSystemResumeCompleted:
return "SystemResumeCompleted"
case hcsNotificationSystemCrashReport:
return "SystemCrashReport"
case hcsNotificationSystemSiloJobCreated:
return "SystemSiloJobCreated"
case hcsNotificationSystemSaveCompleted:
return "SystemSaveCompleted"
case hcsNotificationSystemRdpEnhancedModeStateChanged:
return "SystemRdpEnhancedModeStateChanged"
case hcsNotificationSystemShutdownFailed:
return "SystemShutdownFailed"
case hcsNotificationSystemGetPropertiesCompleted:
return "SystemGetPropertiesCompleted"
case hcsNotificationSystemModifyCompleted:
return "SystemModifyCompleted"
case hcsNotificationSystemCrashInitiated:
return "SystemCrashInitiated"
case hcsNotificationSystemGuestConnectionClosed:
return "SystemGuestConnectionClosed"
case hcsNotificationProcessExited:
return "ProcessExited"
case hcsNotificationInvalid:
return "Invalid"
case hcsNotificationServiceDisconnect:
return "ServiceDisconnect"
default:
return fmt.Sprintf("Unknown: %d", hn)
}
}
type notificationChannel chan error
type notifcationWatcherContext struct {
channels notificationChannels
handle hcsCallback
handle vmcompute.HcsCallback
systemID string
processID int
}
type notificationChannels map[hcsNotification]notificationChannel
func newChannels() notificationChannels {
func newSystemChannels() notificationChannels {
channels := make(notificationChannels)
for _, notif := range []hcsNotification{
hcsNotificationServiceDisconnect,
hcsNotificationSystemExited,
hcsNotificationSystemCreateCompleted,
hcsNotificationSystemStartCompleted,
hcsNotificationSystemPauseCompleted,
hcsNotificationSystemResumeCompleted,
} {
channels[notif] = make(notificationChannel, 1)
}
return channels
}
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)
channels[hcsNotificationSystemCrashReport] = make(notificationChannel, 1)
channels[hcsNotificationSystemSiloJobCreated] = make(notificationChannel, 1)
channels[hcsNotificationSystemSaveCompleted] = make(notificationChannel, 1)
channels[hcsNotificationSystemRdpEnhancedModeStateChanged] = make(notificationChannel, 1)
channels[hcsNotificationSystemShutdownFailed] = make(notificationChannel, 1)
channels[hcsNotificationSystemGetPropertiesCompleted] = make(notificationChannel, 1)
channels[hcsNotificationSystemModifyCompleted] = make(notificationChannel, 1)
channels[hcsNotificationSystemCrashInitiated] = make(notificationChannel, 1)
channels[hcsNotificationSystemGuestConnectionClosed] = make(notificationChannel, 1)
func newProcessChannels() notificationChannels {
channels := make(notificationChannels)
for _, notif := range []hcsNotification{
hcsNotificationServiceDisconnect,
hcsNotificationProcessExited,
} {
channels[notif] = make(notificationChannel, 1)
}
return channels
}
@ -92,12 +143,17 @@ func notificationWatcher(notificationType hcsNotification, callbackNumber uintpt
return 0
}
log := logrus.WithFields(logrus.Fields{
"notification-type": notificationType.String(),
"system-id": context.systemID,
})
if context.processID != 0 {
log.Data[logfields.ProcessID] = context.processID
}
log.Debug("HCS notification")
if channel, ok := context.channels[notificationType]; ok {
channel <- result
} else {
logrus.WithFields(logrus.Fields{
"notification-type": notificationType,
}).Warn("Received a callback of an unsupported type")
}
return 0

75
vendor/github.com/Microsoft/hcsshim/internal/hcs/errors.go generated vendored
View File

@ -1,14 +1,14 @@
package hcs
import (
"context"
"encoding/json"
"errors"
"fmt"
"net"
"syscall"
"github.com/Microsoft/hcsshim/internal/interop"
"github.com/Microsoft/hcsshim/internal/logfields"
"github.com/sirupsen/logrus"
"github.com/Microsoft/hcsshim/internal/log"
)
var (
@ -117,17 +117,11 @@ func (ev *ErrorEvent) String() string {
return evs
}
func processHcsResult(resultp *uint16) []ErrorEvent {
if resultp != nil {
resultj := interop.ConvertAndFreeCoTaskMemString(resultp)
logrus.WithField(logfields.JSON, resultj).
Debug("HCS Result")
func processHcsResult(ctx context.Context, resultJSON string) []ErrorEvent {
if resultJSON != "" {
result := &hcsResult{}
if err := json.Unmarshal([]byte(resultj), result); err != nil {
logrus.WithFields(logrus.Fields{
logfields.JSON: resultj,
logrus.ErrorKey: err,
}).Warning("Could not unmarshal HCS result")
if err := json.Unmarshal([]byte(resultJSON), result); err != nil {
log.G(ctx).WithError(err).Warning("Could not unmarshal HCS result")
return nil
}
return result.ErrorEvents
@ -141,6 +135,8 @@ type HcsError struct {
Events []ErrorEvent
}
var _ net.Error = &HcsError{}
func (e *HcsError) Error() string {
s := e.Op + ": " + e.Err.Error()
for _, ev := range e.Events {
@ -149,6 +145,16 @@ func (e *HcsError) Error() string {
return s
}
func (e *HcsError) Temporary() bool {
err, ok := e.Err.(net.Error)
return ok && err.Temporary()
}
func (e *HcsError) Timeout() bool {
err, ok := e.Err.(net.Error)
return ok && err.Timeout()
}
// ProcessError is an error encountered in HCS during an operation on a Process object
type ProcessError struct {
SystemID string
@ -158,6 +164,8 @@ type ProcessError struct {
Events []ErrorEvent
}
var _ net.Error = &ProcessError{}
// SystemError is an error encountered in HCS during an operation on a Container object
type SystemError struct {
ID string
@ -167,6 +175,8 @@ type SystemError struct {
Events []ErrorEvent
}
var _ net.Error = &SystemError{}
func (e *SystemError) Error() string {
s := e.Op + " " + e.ID + ": " + e.Err.Error()
for _, ev := range e.Events {
@ -178,6 +188,16 @@ func (e *SystemError) Error() string {
return s
}
func (e *SystemError) Temporary() bool {
err, ok := e.Err.(net.Error)
return ok && err.Temporary()
}
func (e *SystemError) Timeout() bool {
err, ok := e.Err.(net.Error)
return ok && err.Timeout()
}
func makeSystemError(system *System, op string, extra string, err error, events []ErrorEvent) error {
// Don't double wrap errors
if _, ok := err.(*SystemError); ok {
@ -200,6 +220,16 @@ func (e *ProcessError) Error() string {
return s
}
func (e *ProcessError) Temporary() bool {
err, ok := e.Err.(net.Error)
return ok && err.Temporary()
}
func (e *ProcessError) Timeout() bool {
err, ok := e.Err.(net.Error)
return ok && err.Timeout()
}
func makeProcessError(process *Process, op string, err error, events []ErrorEvent) error {
// Don't double wrap errors
if _, ok := err.(*ProcessError); ok {
@ -242,6 +272,9 @@ func IsPending(err error) bool {
// IsTimeout returns a boolean indicating whether the error is caused by
// a timeout waiting for the operation to complete.
func IsTimeout(err error) bool {
if err, ok := err.(net.Error); ok && err.Timeout() {
return true
}
err = getInnerError(err)
return err == ErrTimeout
}
@ -272,6 +305,13 @@ func IsNotSupported(err error) bool {
err == ErrVmcomputeUnknownMessage
}
// IsOperationInvalidState returns true when err is caused by
// `ErrVmcomputeOperationInvalidState`.
func IsOperationInvalidState(err error) bool {
err = getInnerError(err)
return err == ErrVmcomputeOperationInvalidState
}
func getInnerError(err error) error {
switch pe := err.(type) {
case nil:
@ -285,3 +325,12 @@ func getInnerError(err error) error {
}
return err
}
func getOperationLogResult(err error) (string, error) {
switch err {
case nil:
return "Success", nil
default:
return "Error", err
}
}

48
vendor/github.com/Microsoft/hcsshim/internal/hcs/hcs.go generated vendored
View File

@ -1,48 +0,0 @@
// Shim for the Host Compute Service (HCS) to manage Windows Server
// containers and Hyper-V containers.
package hcs
import (
"syscall"
)
//go:generate go run ../../mksyscall_windows.go -output zsyscall_windows.go hcs.go
//sys hcsEnumerateComputeSystems(query string, computeSystems **uint16, result **uint16) (hr error) = vmcompute.HcsEnumerateComputeSystems?
//sys hcsCreateComputeSystem(id string, configuration string, identity syscall.Handle, computeSystem *hcsSystem, result **uint16) (hr error) = vmcompute.HcsCreateComputeSystem?
//sys hcsOpenComputeSystem(id string, computeSystem *hcsSystem, result **uint16) (hr error) = vmcompute.HcsOpenComputeSystem?
//sys hcsCloseComputeSystem(computeSystem hcsSystem) (hr error) = vmcompute.HcsCloseComputeSystem?
//sys hcsStartComputeSystem(computeSystem hcsSystem, options string, result **uint16) (hr error) = vmcompute.HcsStartComputeSystem?
//sys hcsShutdownComputeSystem(computeSystem hcsSystem, options string, result **uint16) (hr error) = vmcompute.HcsShutdownComputeSystem?
//sys hcsTerminateComputeSystem(computeSystem hcsSystem, options string, result **uint16) (hr error) = vmcompute.HcsTerminateComputeSystem?
//sys hcsPauseComputeSystem(computeSystem hcsSystem, options string, result **uint16) (hr error) = vmcompute.HcsPauseComputeSystem?
//sys hcsResumeComputeSystem(computeSystem hcsSystem, options string, result **uint16) (hr error) = vmcompute.HcsResumeComputeSystem?
//sys hcsGetComputeSystemProperties(computeSystem hcsSystem, propertyQuery string, properties **uint16, result **uint16) (hr error) = vmcompute.HcsGetComputeSystemProperties?
//sys hcsModifyComputeSystem(computeSystem hcsSystem, configuration string, result **uint16) (hr error) = vmcompute.HcsModifyComputeSystem?
//sys hcsRegisterComputeSystemCallback(computeSystem hcsSystem, callback uintptr, context uintptr, callbackHandle *hcsCallback) (hr error) = vmcompute.HcsRegisterComputeSystemCallback?
//sys hcsUnregisterComputeSystemCallback(callbackHandle hcsCallback) (hr error) = vmcompute.HcsUnregisterComputeSystemCallback?
//sys hcsCreateProcess(computeSystem hcsSystem, processParameters string, processInformation *hcsProcessInformation, process *hcsProcess, result **uint16) (hr error) = vmcompute.HcsCreateProcess?
//sys hcsOpenProcess(computeSystem hcsSystem, pid uint32, process *hcsProcess, result **uint16) (hr error) = vmcompute.HcsOpenProcess?
//sys hcsCloseProcess(process hcsProcess) (hr error) = vmcompute.HcsCloseProcess?
//sys hcsTerminateProcess(process hcsProcess, result **uint16) (hr error) = vmcompute.HcsTerminateProcess?
//sys hcsSignalProcess(process hcsProcess, options string, result **uint16) (hr error) = vmcompute.HcsTerminateProcess?
//sys hcsGetProcessInfo(process hcsProcess, processInformation *hcsProcessInformation, result **uint16) (hr error) = vmcompute.HcsGetProcessInfo?
//sys hcsGetProcessProperties(process hcsProcess, processProperties **uint16, result **uint16) (hr error) = vmcompute.HcsGetProcessProperties?
//sys hcsModifyProcess(process hcsProcess, settings string, result **uint16) (hr error) = vmcompute.HcsModifyProcess?
//sys hcsGetServiceProperties(propertyQuery string, properties **uint16, result **uint16) (hr error) = vmcompute.HcsGetServiceProperties?
//sys hcsRegisterProcessCallback(process hcsProcess, callback uintptr, context uintptr, callbackHandle *hcsCallback) (hr error) = vmcompute.HcsRegisterProcessCallback?
//sys hcsUnregisterProcessCallback(callbackHandle hcsCallback) (hr error) = vmcompute.HcsUnregisterProcessCallback?
type hcsSystem syscall.Handle
type hcsProcess syscall.Handle
type hcsCallback syscall.Handle
type hcsProcessInformation struct {
ProcessId uint32
Reserved uint32
StdInput syscall.Handle
StdOutput syscall.Handle
StdError syscall.Handle
}

20
vendor/github.com/Microsoft/hcsshim/internal/hcs/log.go generated vendored
View File

@ -1,20 +0,0 @@
package hcs
import "github.com/sirupsen/logrus"
func logOperationBegin(ctx logrus.Fields, msg string) {
logrus.WithFields(ctx).Debug(msg)
}
func logOperationEnd(ctx logrus.Fields, msg string, err error) {
// Copy the log and fields first.
log := logrus.WithFields(ctx)
if err == nil {
log.Debug(msg)
} else {
// Edit only the copied field data to avoid race conditions on the
// write.
log.Data[logrus.ErrorKey] = err
log.Error(msg)
}
}

441
vendor/github.com/Microsoft/hcsshim/internal/hcs/process.go generated vendored
View File

@ -1,48 +1,47 @@
package hcs
import (
"context"
"encoding/json"
"io"
"sync"
"syscall"
"time"
"github.com/Microsoft/hcsshim/internal/guestrequest"
"github.com/Microsoft/hcsshim/internal/interop"
"github.com/Microsoft/hcsshim/internal/logfields"
"github.com/sirupsen/logrus"
"github.com/Microsoft/hcsshim/internal/log"
"github.com/Microsoft/hcsshim/internal/oc"
"github.com/Microsoft/hcsshim/internal/vmcompute"
"go.opencensus.io/trace"
)
// ContainerError is an error encountered in HCS
type Process struct {
handleLock sync.RWMutex
handle hcsProcess
handle vmcompute.HcsProcess
processID int
system *System
cachedPipes *cachedPipes
hasCachedStdio bool
stdioLock sync.Mutex
stdin io.WriteCloser
stdout io.ReadCloser
stderr io.ReadCloser
callbackNumber uintptr
logctx logrus.Fields
closedWaitOnce sync.Once
waitBlock chan struct{}
exitCode int
waitError error
}
func newProcess(process hcsProcess, processID int, computeSystem *System) *Process {
func newProcess(process vmcompute.HcsProcess, processID int, computeSystem *System) *Process {
return &Process{
handle: process,
processID: processID,
system: computeSystem,
logctx: logrus.Fields{
logfields.ContainerID: computeSystem.ID(),
logfields.ProcessID: processID,
},
waitBlock: make(chan struct{}),
}
}
type cachedPipes struct {
stdIn syscall.Handle
stdOut syscall.Handle
stdErr syscall.Handle
}
type processModifyRequest struct {
Operation string
ConsoleSize *consoleSize `json:",omitempty"`
@ -58,7 +57,7 @@ type closeHandle struct {
Handle string
}
type ProcessStatus struct {
type processStatus struct {
ProcessID uint32
Exited bool
ExitCode uint32
@ -86,120 +85,153 @@ func (process *Process) SystemID() string {
return process.system.ID()
}
func (process *Process) logOperationBegin(operation string) {
logOperationBegin(
process.logctx,
operation+" - Begin Operation")
}
func (process *Process) logOperationEnd(operation string, err error) {
var result string
if err == nil {
result = "Success"
} else {
result = "Error"
func (process *Process) processSignalResult(ctx context.Context, err error) (bool, error) {
switch err {
case nil:
return true, nil
case ErrVmcomputeOperationInvalidState, ErrComputeSystemDoesNotExist, ErrElementNotFound:
select {
case <-process.waitBlock:
// The process exit notification has already arrived.
default:
// The process should be gone, but we have not received the notification.
// After a second, force unblock the process wait to work around a possible
// deadlock in the HCS.
go func() {
time.Sleep(time.Second)
process.closedWaitOnce.Do(func() {
log.G(ctx).WithError(err).Warn("force unblocking process waits")
process.exitCode = -1
process.waitError = err
close(process.waitBlock)
})
}()
}
return false, nil
default:
return false, err
}
logOperationEnd(
process.logctx,
operation+" - End Operation - "+result,
err)
}
// Signal signals the process with `options`.
func (process *Process) Signal(options guestrequest.SignalProcessOptions) (err error) {
//
// For LCOW `guestrequest.SignalProcessOptionsLCOW`.
//
// For WCOW `guestrequest.SignalProcessOptionsWCOW`.
func (process *Process) Signal(ctx context.Context, options interface{}) (bool, error) {
process.handleLock.RLock()
defer process.handleLock.RUnlock()
operation := "hcsshim::Process::Signal"
process.logOperationBegin(operation)
defer func() { process.logOperationEnd(operation, err) }()
if process.handle == 0 {
return makeProcessError(process, operation, ErrAlreadyClosed, nil)
return false, makeProcessError(process, operation, ErrAlreadyClosed, nil)
}
optionsb, err := json.Marshal(options)
if err != nil {
return err
return false, err
}
optionsStr := string(optionsb)
var resultp *uint16
syscallWatcher(process.logctx, func() {
err = hcsSignalProcess(process.handle, optionsStr, &resultp)
})
events := processHcsResult(resultp)
resultJSON, err := vmcompute.HcsSignalProcess(ctx, process.handle, string(optionsb))
events := processHcsResult(ctx, resultJSON)
delivered, err := process.processSignalResult(ctx, err)
if err != nil {
return makeProcessError(process, operation, err, events)
err = makeProcessError(process, operation, err, events)
}
return nil
return delivered, err
}
// Kill signals the process to terminate but does not wait for it to finish terminating.
func (process *Process) Kill() (err error) {
func (process *Process) Kill(ctx context.Context) (bool, error) {
process.handleLock.RLock()
defer process.handleLock.RUnlock()
operation := "hcsshim::Process::Kill"
process.logOperationBegin(operation)
defer func() { process.logOperationEnd(operation, err) }()
if process.handle == 0 {
return makeProcessError(process, operation, ErrAlreadyClosed, nil)
return false, makeProcessError(process, operation, ErrAlreadyClosed, nil)
}
var resultp *uint16
syscallWatcher(process.logctx, func() {
err = hcsTerminateProcess(process.handle, &resultp)
resultJSON, err := vmcompute.HcsTerminateProcess(ctx, process.handle)
events := processHcsResult(ctx, resultJSON)
delivered, err := process.processSignalResult(ctx, err)
if err != nil {
err = makeProcessError(process, operation, err, events)
}
return delivered, err
}
// waitBackground waits for the process exit notification. Once received sets
// `process.waitError` (if any) and unblocks all `Wait` calls.
//
// This MUST be called exactly once per `process.handle` but `Wait` is safe to
// call multiple times.
func (process *Process) waitBackground() {
operation := "hcsshim::Process::waitBackground"
ctx, span := trace.StartSpan(context.Background(), operation)
defer span.End()
span.AddAttributes(
trace.StringAttribute("cid", process.SystemID()),
trace.Int64Attribute("pid", int64(process.processID)))
var (
err error
exitCode = -1
)
err = waitForNotification(ctx, process.callbackNumber, hcsNotificationProcessExited, nil)
if err != nil {
err = makeProcessError(process, operation, err, nil)
log.G(ctx).WithError(err).Error("failed wait")
} else {
process.handleLock.RLock()
defer process.handleLock.RUnlock()
// Make sure we didnt race with Close() here
if process.handle != 0 {
propertiesJSON, resultJSON, err := vmcompute.HcsGetProcessProperties(ctx, process.handle)
events := processHcsResult(ctx, resultJSON)
if err != nil {
err = makeProcessError(process, operation, err, events)
} else {
properties := &processStatus{}
err = json.Unmarshal([]byte(propertiesJSON), properties)
if err != nil {
err = makeProcessError(process, operation, err, nil)
} else {
if properties.LastWaitResult != 0 {
log.G(ctx).WithField("wait-result", properties.LastWaitResult).Warning("non-zero last wait result")
} else {
exitCode = int(properties.ExitCode)
}
}
}
}
}
log.G(ctx).WithField("exitCode", exitCode).Debug("process exited")
process.closedWaitOnce.Do(func() {
process.exitCode = exitCode
process.waitError = err
close(process.waitBlock)
})
events := processHcsResult(resultp)
if err != nil {
return makeProcessError(process, operation, err, events)
}
return nil
oc.SetSpanStatus(span, err)
}
// Wait waits for the process to exit.
func (process *Process) Wait() (err error) {
operation := "hcsshim::Process::Wait"
process.logOperationBegin(operation)
defer func() { process.logOperationEnd(operation, err) }()
err = waitForNotification(process.callbackNumber, hcsNotificationProcessExited, nil)
if err != nil {
return makeProcessError(process, operation, err, nil)
}
return nil
}
// WaitTimeout waits for the process to exit or the duration to elapse. It returns
// false if timeout occurs.
func (process *Process) WaitTimeout(timeout time.Duration) (err error) {
operation := "hcssshim::Process::WaitTimeout"
process.logOperationBegin(operation)
defer func() { process.logOperationEnd(operation, err) }()
err = waitForNotification(process.callbackNumber, hcsNotificationProcessExited, &timeout)
if err != nil {
return makeProcessError(process, operation, err, nil)
}
return nil
// Wait waits for the process to exit. If the process has already exited returns
// the pervious error (if any).
func (process *Process) Wait() error {
<-process.waitBlock
return process.waitError
}
// ResizeConsole resizes the console of the process.
func (process *Process) ResizeConsole(width, height uint16) (err error) {
func (process *Process) ResizeConsole(ctx context.Context, width, height uint16) error {
process.handleLock.RLock()
defer process.handleLock.RUnlock()
operation := "hcsshim::Process::ResizeConsole"
process.logOperationBegin(operation)
defer func() { process.logOperationEnd(operation, err) }()
if process.handle == 0 {
return makeProcessError(process, operation, ErrAlreadyClosed, nil)
@ -218,11 +250,8 @@ func (process *Process) ResizeConsole(width, height uint16) (err error) {
return err
}
modifyRequestStr := string(modifyRequestb)
var resultp *uint16
err = hcsModifyProcess(process.handle, modifyRequestStr, &resultp)
events := processHcsResult(resultp)
resultJSON, err := vmcompute.HcsModifyProcess(ctx, process.handle, string(modifyRequestb))
events := processHcsResult(ctx, resultJSON)
if err != nil {
return makeProcessError(process, operation, err, events)
}
@ -230,104 +259,55 @@ func (process *Process) ResizeConsole(width, height uint16) (err error) {
return nil
}
func (process *Process) Properties() (_ *ProcessStatus, err error) {
process.handleLock.RLock()
defer process.handleLock.RUnlock()
operation := "hcsshim::Process::Properties"
process.logOperationBegin(operation)
defer func() { process.logOperationEnd(operation, err) }()
if process.handle == 0 {
return nil, makeProcessError(process, operation, ErrAlreadyClosed, nil)
}
var (
resultp *uint16
propertiesp *uint16
)
syscallWatcher(process.logctx, func() {
err = hcsGetProcessProperties(process.handle, &propertiesp, &resultp)
})
events := processHcsResult(resultp)
if err != nil {
return nil, makeProcessError(process, operation, err, events)
}
if propertiesp == nil {
return nil, ErrUnexpectedValue
}
propertiesRaw := interop.ConvertAndFreeCoTaskMemBytes(propertiesp)
properties := &ProcessStatus{}
if err := json.Unmarshal(propertiesRaw, properties); err != nil {
return nil, makeProcessError(process, operation, err, nil)
}
return properties, nil
}
// ExitCode returns the exit code of the process. The process must have
// already terminated.
func (process *Process) ExitCode() (_ int, err error) {
operation := "hcsshim::Process::ExitCode"
process.logOperationBegin(operation)
defer func() { process.logOperationEnd(operation, err) }()
properties, err := process.Properties()
if err != nil {
return 0, makeProcessError(process, operation, err, nil)
func (process *Process) ExitCode() (int, error) {
select {
case <-process.waitBlock:
if process.waitError != nil {
return -1, process.waitError
}
return process.exitCode, nil
default:
return -1, makeProcessError(process, "hcsshim::Process::ExitCode", ErrInvalidProcessState, nil)
}
if properties.Exited == false {
return 0, makeProcessError(process, operation, ErrInvalidProcessState, nil)
}
if properties.LastWaitResult != 0 {
return 0, makeProcessError(process, operation, syscall.Errno(properties.LastWaitResult), nil)
}
return int(properties.ExitCode), nil
}
// Stdio returns the stdin, stdout, and stderr pipes, respectively. Closing
// these pipes does not close the underlying pipes; it should be possible to
// call this multiple times to get multiple interfaces.
func (process *Process) Stdio() (_ io.WriteCloser, _ io.ReadCloser, _ io.ReadCloser, err error) {
// StdioLegacy returns the stdin, stdout, and stderr pipes, respectively. Closing
// these pipes does not close the underlying pipes. Once returned, these pipes
// are the responsibility of the caller to close.
func (process *Process) StdioLegacy() (_ io.WriteCloser, _ io.ReadCloser, _ io.ReadCloser, err error) {
operation := "hcsshim::Process::StdioLegacy"
ctx, span := trace.StartSpan(context.Background(), operation)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(
trace.StringAttribute("cid", process.SystemID()),
trace.Int64Attribute("pid", int64(process.processID)))
process.handleLock.RLock()
defer process.handleLock.RUnlock()
operation := "hcsshim::Process::Stdio"
process.logOperationBegin(operation)
defer func() { process.logOperationEnd(operation, err) }()
if process.handle == 0 {
return nil, nil, nil, makeProcessError(process, operation, ErrAlreadyClosed, nil)
}
var stdIn, stdOut, stdErr syscall.Handle
if process.cachedPipes == nil {
var (
processInfo hcsProcessInformation
resultp *uint16
)
err = hcsGetProcessInfo(process.handle, &processInfo, &resultp)
events := processHcsResult(resultp)
if err != nil {
return nil, nil, nil, makeProcessError(process, operation, err, events)
}
stdIn, stdOut, stdErr = processInfo.StdInput, processInfo.StdOutput, processInfo.StdError
} else {
// Use cached pipes
stdIn, stdOut, stdErr = process.cachedPipes.stdIn, process.cachedPipes.stdOut, process.cachedPipes.stdErr
// Invalidate the cache
process.cachedPipes = nil
process.stdioLock.Lock()
defer process.stdioLock.Unlock()
if process.hasCachedStdio {
stdin, stdout, stderr := process.stdin, process.stdout, process.stderr
process.stdin, process.stdout, process.stderr = nil, nil, nil
process.hasCachedStdio = false
return stdin, stdout, stderr, nil
}
pipes, err := makeOpenFiles([]syscall.Handle{stdIn, stdOut, stdErr})
processInfo, resultJSON, err := vmcompute.HcsGetProcessInfo(ctx, process.handle)
events := processHcsResult(ctx, resultJSON)
if err != nil {
return nil, nil, nil, makeProcessError(process, operation, err, events)
}
pipes, err := makeOpenFiles([]syscall.Handle{processInfo.StdInput, processInfo.StdOutput, processInfo.StdError})
if err != nil {
return nil, nil, nil, makeProcessError(process, operation, err, nil)
}
@ -335,15 +315,21 @@ func (process *Process) Stdio() (_ io.WriteCloser, _ io.ReadCloser, _ io.ReadClo
return pipes[0], pipes[1], pipes[2], nil
}
// Stdio returns the stdin, stdout, and stderr pipes, respectively.
// To close them, close the process handle.
func (process *Process) Stdio() (stdin io.Writer, stdout, stderr io.Reader) {
process.stdioLock.Lock()
defer process.stdioLock.Unlock()
return process.stdin, process.stdout, process.stderr
}
// CloseStdin closes the write side of the stdin pipe so that the process is
// notified on the read side that there is no more data in stdin.
func (process *Process) CloseStdin() (err error) {
func (process *Process) CloseStdin(ctx context.Context) error {
process.handleLock.RLock()
defer process.handleLock.RUnlock()
operation := "hcsshim::Process::CloseStdin"
process.logOperationBegin(operation)
defer func() { process.logOperationEnd(operation, err) }()
if process.handle == 0 {
return makeProcessError(process, operation, ErrAlreadyClosed, nil)
@ -361,96 +347,125 @@ func (process *Process) CloseStdin() (err error) {
return err
}
modifyRequestStr := string(modifyRequestb)
var resultp *uint16
err = hcsModifyProcess(process.handle, modifyRequestStr, &resultp)
events := processHcsResult(resultp)
resultJSON, err := vmcompute.HcsModifyProcess(ctx, process.handle, string(modifyRequestb))
events := processHcsResult(ctx, resultJSON)
if err != nil {
return makeProcessError(process, operation, err, events)
}
process.stdioLock.Lock()
if process.stdin != nil {
process.stdin.Close()
process.stdin = nil
}
process.stdioLock.Unlock()
return nil
}
// Close cleans up any state associated with the process but does not kill
// or wait on it.
func (process *Process) Close() (err error) {
operation := "hcsshim::Process::Close"
ctx, span := trace.StartSpan(context.Background(), operation)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(
trace.StringAttribute("cid", process.SystemID()),
trace.Int64Attribute("pid", int64(process.processID)))
process.handleLock.Lock()
defer process.handleLock.Unlock()
operation := "hcsshim::Process::Close"
process.logOperationBegin(operation)
defer func() { process.logOperationEnd(operation, err) }()
// Don't double free this
if process.handle == 0 {
return nil
}
if err = process.unregisterCallback(); err != nil {
process.stdioLock.Lock()
if process.stdin != nil {
process.stdin.Close()
process.stdin = nil
}
if process.stdout != nil {
process.stdout.Close()
process.stdout = nil
}
if process.stderr != nil {
process.stderr.Close()
process.stderr = nil
}
process.stdioLock.Unlock()
if err = process.unregisterCallback(ctx); err != nil {
return makeProcessError(process, operation, err, nil)
}
if err = hcsCloseProcess(process.handle); err != nil {
if err = vmcompute.HcsCloseProcess(ctx, process.handle); err != nil {
return makeProcessError(process, operation, err, nil)
}
process.handle = 0
process.closedWaitOnce.Do(func() {
process.exitCode = -1
process.waitError = ErrAlreadyClosed
close(process.waitBlock)
})
return nil
}
func (process *Process) registerCallback() error {
context := &notifcationWatcherContext{
channels: newChannels(),
func (process *Process) registerCallback(ctx context.Context) error {
callbackContext := &notifcationWatcherContext{
channels: newProcessChannels(),
systemID: process.SystemID(),
processID: process.processID,
}
callbackMapLock.Lock()
callbackNumber := nextCallback
nextCallback++
callbackMap[callbackNumber] = context
callbackMap[callbackNumber] = callbackContext
callbackMapLock.Unlock()
var callbackHandle hcsCallback
err := hcsRegisterProcessCallback(process.handle, notificationWatcherCallback, callbackNumber, &callbackHandle)
callbackHandle, err := vmcompute.HcsRegisterProcessCallback(ctx, process.handle, notificationWatcherCallback, callbackNumber)
if err != nil {
return err
}
context.handle = callbackHandle
callbackContext.handle = callbackHandle
process.callbackNumber = callbackNumber
return nil
}
func (process *Process) unregisterCallback() error {
func (process *Process) unregisterCallback(ctx context.Context) error {
callbackNumber := process.callbackNumber
callbackMapLock.RLock()
context := callbackMap[callbackNumber]
callbackContext := callbackMap[callbackNumber]
callbackMapLock.RUnlock()
if context == nil {
if callbackContext == nil {
return nil
}
handle := context.handle
handle := callbackContext.handle
if handle == 0 {
return nil
}
// hcsUnregisterProcessCallback has its own syncronization
// to wait for all callbacks to complete. We must NOT hold the callbackMapLock.
err := hcsUnregisterProcessCallback(handle)
// vmcompute.HcsUnregisterProcessCallback has its own synchronization to
// wait for all callbacks to complete. We must NOT hold the callbackMapLock.
err := vmcompute.HcsUnregisterProcessCallback(ctx, handle)
if err != nil {
return err
}
closeChannels(context.channels)
closeChannels(callbackContext.channels)
callbackMapLock.Lock()
callbackMap[callbackNumber] = nil
delete(callbackMap, callbackNumber)
callbackMapLock.Unlock()
handle = 0

647
vendor/github.com/Microsoft/hcsshim/internal/hcs/system.go generated vendored
View File

@ -1,18 +1,24 @@
package hcs
import (
"context"
"encoding/json"
"errors"
"os"
"strconv"
"strings"
"sync"
"syscall"
"time"
"github.com/Microsoft/hcsshim/internal/interop"
"github.com/Microsoft/hcsshim/internal/logfields"
"github.com/Microsoft/hcsshim/internal/cow"
"github.com/Microsoft/hcsshim/internal/log"
"github.com/Microsoft/hcsshim/internal/oc"
"github.com/Microsoft/hcsshim/internal/schema1"
hcsschema "github.com/Microsoft/hcsshim/internal/schema2"
"github.com/Microsoft/hcsshim/internal/timeout"
"github.com/sirupsen/logrus"
"github.com/Microsoft/hcsshim/internal/vmcompute"
"go.opencensus.io/trace"
)
// currentContainerStarts is used to limit the number of concurrent container
@ -38,49 +44,37 @@ func init() {
type System struct {
handleLock sync.RWMutex
handle hcsSystem
handle vmcompute.HcsSystem
id string
callbackNumber uintptr
logctx logrus.Fields
closedWaitOnce sync.Once
waitBlock chan struct{}
waitError error
exitError error
os, typ string
}
func newSystem(id string) *System {
return &System{
id: id,
logctx: logrus.Fields{
logfields.ContainerID: id,
},
id: id,
waitBlock: make(chan struct{}),
}
}
func (computeSystem *System) logOperationBegin(operation string) {
logOperationBegin(
computeSystem.logctx,
operation+" - Begin Operation")
}
func (computeSystem *System) logOperationEnd(operation string, err error) {
var result string
if err == nil {
result = "Success"
} else {
result = "Error"
}
logOperationEnd(
computeSystem.logctx,
operation+" - End Operation - "+result,
err)
}
// CreateComputeSystem creates a new compute system with the given configuration but does not start it.
func CreateComputeSystem(id string, hcsDocumentInterface interface{}) (_ *System, err error) {
func CreateComputeSystem(ctx context.Context, id string, hcsDocumentInterface interface{}) (_ *System, err error) {
operation := "hcsshim::CreateComputeSystem"
// hcsCreateComputeSystemContext is an async operation. Start the outer span
// here to measure the full create time.
ctx, span := trace.StartSpan(ctx, operation)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(trace.StringAttribute("cid", id))
computeSystem := newSystem(id)
computeSystem.logOperationBegin(operation)
defer func() { computeSystem.logOperationEnd(operation, err) }()
hcsDocumentB, err := json.Marshal(hcsDocumentInterface)
if err != nil {
@ -89,126 +83,114 @@ func CreateComputeSystem(id string, hcsDocumentInterface interface{}) (_ *System
hcsDocument := string(hcsDocumentB)
logrus.WithFields(computeSystem.logctx).
WithField(logfields.JSON, hcsDocument).
Debug("HCS ComputeSystem Document")
var (
resultp *uint16
identity syscall.Handle
resultJSON string
createError error
)
syscallWatcher(computeSystem.logctx, func() {
createError = hcsCreateComputeSystem(id, hcsDocument, identity, &computeSystem.handle, &resultp)
})
computeSystem.handle, resultJSON, createError = vmcompute.HcsCreateComputeSystem(ctx, id, hcsDocument, identity)
if createError == nil || IsPending(createError) {
if err = computeSystem.registerCallback(); err != nil {
defer func() {
if err != nil {
computeSystem.Close()
}
}()
if err = computeSystem.registerCallback(ctx); err != nil {
// Terminate the compute system if it still exists. We're okay to
// ignore a failure here.
computeSystem.Terminate()
computeSystem.Terminate(ctx)
return nil, makeSystemError(computeSystem, operation, "", err, nil)
}
}
events, err := processAsyncHcsResult(createError, resultp, computeSystem.callbackNumber, hcsNotificationSystemCreateCompleted, &timeout.SystemCreate)
events, err := processAsyncHcsResult(ctx, createError, resultJSON, computeSystem.callbackNumber, hcsNotificationSystemCreateCompleted, &timeout.SystemCreate)
if err != nil {
if err == ErrTimeout {
// Terminate the compute system if it still exists. We're okay to
// ignore a failure here.
computeSystem.Terminate()
computeSystem.Terminate(ctx)
}
return nil, makeSystemError(computeSystem, operation, hcsDocument, err, events)
}
go computeSystem.waitBackground()
if err = computeSystem.getCachedProperties(ctx); err != nil {
return nil, err
}
return computeSystem, nil
}
// OpenComputeSystem opens an existing compute system by ID.
func OpenComputeSystem(id string) (_ *System, err error) {
func OpenComputeSystem(ctx context.Context, id string) (*System, error) {
operation := "hcsshim::OpenComputeSystem"
computeSystem := newSystem(id)
computeSystem.logOperationBegin(operation)
defer func() {
if IsNotExist(err) {
computeSystem.logOperationEnd(operation, nil)
} else {
computeSystem.logOperationEnd(operation, err)
}
}()
var (
handle hcsSystem
resultp *uint16
)
err = hcsOpenComputeSystem(id, &handle, &resultp)
events := processHcsResult(resultp)
handle, resultJSON, err := vmcompute.HcsOpenComputeSystem(ctx, id)
events := processHcsResult(ctx, resultJSON)
if err != nil {
return nil, makeSystemError(computeSystem, operation, "", err, events)
}
computeSystem.handle = handle
if err = computeSystem.registerCallback(); err != nil {
defer func() {
if err != nil {
computeSystem.Close()
}
}()
if err = computeSystem.registerCallback(ctx); err != nil {
return nil, makeSystemError(computeSystem, operation, "", err, nil)
}
go computeSystem.waitBackground()
if err = computeSystem.getCachedProperties(ctx); err != nil {
return nil, err
}
return computeSystem, nil
}
func (computeSystem *System) getCachedProperties(ctx context.Context) error {
props, err := computeSystem.Properties(ctx)
if err != nil {
return err
}
computeSystem.typ = strings.ToLower(props.SystemType)
computeSystem.os = strings.ToLower(props.RuntimeOSType)
if computeSystem.os == "" && computeSystem.typ == "container" {
// Pre-RS5 HCS did not return the OS, but it only supported containers
// that ran Windows.
computeSystem.os = "windows"
}
return nil
}
// OS returns the operating system of the compute system, "linux" or "windows".
func (computeSystem *System) OS() string {
return computeSystem.os
}
// IsOCI returns whether processes in the compute system should be created via
// OCI.
func (computeSystem *System) IsOCI() bool {
return computeSystem.os == "linux" && computeSystem.typ == "container"
}
// GetComputeSystems gets a list of the compute systems on the system that match the query
func GetComputeSystems(q schema1.ComputeSystemQuery) (_ []schema1.ContainerProperties, err error) {
func GetComputeSystems(ctx context.Context, q schema1.ComputeSystemQuery) ([]schema1.ContainerProperties, error) {
operation := "hcsshim::GetComputeSystems"
fields := logrus.Fields{}
logOperationBegin(
fields,
operation+" - Begin Operation")
defer func() {
var result string
if err == nil {
result = "Success"
} else {
result = "Error"
}
logOperationEnd(
fields,
operation+" - End Operation - "+result,
err)
}()
queryb, err := json.Marshal(q)
if err != nil {
return nil, err
}
query := string(queryb)
logrus.WithFields(fields).
WithField(logfields.JSON, query).
Debug("HCS ComputeSystem Query")
var (
resultp *uint16
computeSystemsp *uint16
)
syscallWatcher(fields, func() {
err = hcsEnumerateComputeSystems(query, &computeSystemsp, &resultp)
})
events := processHcsResult(resultp)
computeSystemsJSON, resultJSON, err := vmcompute.HcsEnumerateComputeSystems(ctx, string(queryb))
events := processHcsResult(ctx, resultJSON)
if err != nil {
return nil, &HcsError{Op: operation, Err: err, Events: events}
}
if computeSystemsp == nil {
if computeSystemsJSON == "" {
return nil, ErrUnexpectedValue
}
computeSystemsRaw := interop.ConvertAndFreeCoTaskMemBytes(computeSystemsp)
computeSystems := []schema1.ContainerProperties{}
if err = json.Unmarshal(computeSystemsRaw, &computeSystems); err != nil {
if err = json.Unmarshal([]byte(computeSystemsJSON), &computeSystems); err != nil {
return nil, err
}
@ -216,16 +198,21 @@ func GetComputeSystems(q schema1.ComputeSystemQuery) (_ []schema1.ContainerPrope
}
// Start synchronously starts the computeSystem.
func (computeSystem *System) Start() (err error) {
func (computeSystem *System) Start(ctx context.Context) (err error) {
operation := "hcsshim::System::Start"
// hcsStartComputeSystemContext is an async operation. Start the outer span
// here to measure the full start time.
ctx, span := trace.StartSpan(ctx, operation)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(trace.StringAttribute("cid", computeSystem.id))
computeSystem.handleLock.RLock()
defer computeSystem.handleLock.RUnlock()
operation := "hcsshim::ComputeSystem::Start"
computeSystem.logOperationBegin(operation)
defer func() { computeSystem.logOperationEnd(operation, err) }()
if computeSystem.handle == 0 {
return makeSystemError(computeSystem, "Start", "", ErrAlreadyClosed, nil)
return makeSystemError(computeSystem, operation, "", ErrAlreadyClosed, nil)
}
// This is a very simple backoff-retry loop to limit the number
@ -254,13 +241,10 @@ func (computeSystem *System) Start() (err error) {
}()
}
var resultp *uint16
syscallWatcher(computeSystem.logctx, func() {
err = hcsStartComputeSystem(computeSystem.handle, "", &resultp)
})
events, err := processAsyncHcsResult(err, resultp, computeSystem.callbackNumber, hcsNotificationSystemStartCompleted, &timeout.SystemStart)
resultJSON, err := vmcompute.HcsStartComputeSystem(ctx, computeSystem.handle, "")
events, err := processAsyncHcsResult(ctx, err, resultJSON, computeSystem.callbackNumber, hcsNotificationSystemStartCompleted, &timeout.SystemStart)
if err != nil {
return makeSystemError(computeSystem, "Start", "", err, events)
return makeSystemError(computeSystem, operation, "", err, events)
}
return nil
@ -271,360 +255,357 @@ func (computeSystem *System) ID() string {
return computeSystem.id
}
// Shutdown requests a compute system shutdown, if IsPending() on the error returned is true,
// it may not actually be shut down until Wait() succeeds.
func (computeSystem *System) Shutdown() (err error) {
// Shutdown requests a compute system shutdown.
func (computeSystem *System) Shutdown(ctx context.Context) error {
computeSystem.handleLock.RLock()
defer computeSystem.handleLock.RUnlock()
operation := "hcsshim::ComputeSystem::Shutdown"
computeSystem.logOperationBegin(operation)
defer func() {
if IsAlreadyStopped(err) {
computeSystem.logOperationEnd(operation, nil)
} else {
computeSystem.logOperationEnd(operation, err)
}
}()
operation := "hcsshim::System::Shutdown"
if computeSystem.handle == 0 {
return makeSystemError(computeSystem, "Shutdown", "", ErrAlreadyClosed, nil)
return nil
}
var resultp *uint16
syscallWatcher(computeSystem.logctx, func() {
err = hcsShutdownComputeSystem(computeSystem.handle, "", &resultp)
})
events := processHcsResult(resultp)
if err != nil {
return makeSystemError(computeSystem, "Shutdown", "", err, events)
resultJSON, err := vmcompute.HcsShutdownComputeSystem(ctx, computeSystem.handle, "")
events := processHcsResult(ctx, resultJSON)
switch err {
case nil, ErrVmcomputeAlreadyStopped, ErrComputeSystemDoesNotExist, ErrVmcomputeOperationPending:
default:
return makeSystemError(computeSystem, operation, "", err, events)
}
return nil
}
// Terminate requests a compute system terminate, if IsPending() on the error returned is true,
// it may not actually be shut down until Wait() succeeds.
func (computeSystem *System) Terminate() (err error) {
// Terminate requests a compute system terminate.
func (computeSystem *System) Terminate(ctx context.Context) error {
computeSystem.handleLock.RLock()
defer computeSystem.handleLock.RUnlock()
operation := "hcsshim::ComputeSystem::Terminate"
computeSystem.logOperationBegin(operation)
defer func() {
if IsPending(err) {
computeSystem.logOperationEnd(operation, nil)
} else {
computeSystem.logOperationEnd(operation, err)
}
}()
operation := "hcsshim::System::Terminate"
if computeSystem.handle == 0 {
return makeSystemError(computeSystem, "Terminate", "", ErrAlreadyClosed, nil)
return nil
}
var resultp *uint16
syscallWatcher(computeSystem.logctx, func() {
err = hcsTerminateComputeSystem(computeSystem.handle, "", &resultp)
resultJSON, err := vmcompute.HcsTerminateComputeSystem(ctx, computeSystem.handle, "")
events := processHcsResult(ctx, resultJSON)
switch err {
case nil, ErrVmcomputeAlreadyStopped, ErrComputeSystemDoesNotExist, ErrVmcomputeOperationPending:
default:
return makeSystemError(computeSystem, operation, "", err, events)
}
return nil
}
// waitBackground waits for the compute system exit notification. Once received
// sets `computeSystem.waitError` (if any) and unblocks all `Wait` calls.
//
// This MUST be called exactly once per `computeSystem.handle` but `Wait` is
// safe to call multiple times.
func (computeSystem *System) waitBackground() {
operation := "hcsshim::System::waitBackground"
ctx, span := trace.StartSpan(context.Background(), operation)
defer span.End()
span.AddAttributes(trace.StringAttribute("cid", computeSystem.id))
err := waitForNotification(ctx, computeSystem.callbackNumber, hcsNotificationSystemExited, nil)
switch err {
case nil:
log.G(ctx).Debug("system exited")
case ErrVmcomputeUnexpectedExit:
log.G(ctx).Debug("unexpected system exit")
computeSystem.exitError = makeSystemError(computeSystem, operation, "", err, nil)
err = nil
default:
err = makeSystemError(computeSystem, operation, "", err, nil)
}
computeSystem.closedWaitOnce.Do(func() {
computeSystem.waitError = err
close(computeSystem.waitBlock)
})
events := processHcsResult(resultp)
if err != nil && err != ErrVmcomputeAlreadyStopped {
return makeSystemError(computeSystem, "Terminate", "", err, events)
}
return nil
oc.SetSpanStatus(span, err)
}
// Wait synchronously waits for the compute system to shutdown or terminate.
func (computeSystem *System) Wait() (err error) {
operation := "hcsshim::ComputeSystem::Wait"
computeSystem.logOperationBegin(operation)
defer func() { computeSystem.logOperationEnd(operation, err) }()
err = waitForNotification(computeSystem.callbackNumber, hcsNotificationSystemExited, nil)
if err != nil {
return makeSystemError(computeSystem, "Wait", "", err, nil)
}
return nil
// Wait synchronously waits for the compute system to shutdown or terminate. If
// the compute system has already exited returns the previous error (if any).
func (computeSystem *System) Wait() error {
<-computeSystem.waitBlock
return computeSystem.waitError
}
// WaitExpectedError synchronously waits for the compute system to shutdown or
// terminate, and ignores the passed error if it occurs.
func (computeSystem *System) WaitExpectedError(expected error) (err error) {
operation := "hcsshim::ComputeSystem::WaitExpectedError"
computeSystem.logOperationBegin(operation)
defer func() { computeSystem.logOperationEnd(operation, err) }()
err = waitForNotification(computeSystem.callbackNumber, hcsNotificationSystemExited, nil)
if err != nil && getInnerError(err) != expected {
return makeSystemError(computeSystem, "WaitExpectedError", "", err, nil)
// ExitError returns an error describing the reason the compute system terminated.
func (computeSystem *System) ExitError() error {
select {
case <-computeSystem.waitBlock:
if computeSystem.waitError != nil {
return computeSystem.waitError
}
return computeSystem.exitError
default:
return errors.New("container not exited")
}
return nil
}
// WaitTimeout synchronously waits for the compute system to terminate or the duration to elapse.
// If the timeout expires, IsTimeout(err) == true
func (computeSystem *System) WaitTimeout(timeout time.Duration) (err error) {
operation := "hcsshim::ComputeSystem::WaitTimeout"
computeSystem.logOperationBegin(operation)
defer func() { computeSystem.logOperationEnd(operation, err) }()
err = waitForNotification(computeSystem.callbackNumber, hcsNotificationSystemExited, &timeout)
if err != nil {
return makeSystemError(computeSystem, "WaitTimeout", "", err, nil)
}
return nil
}
func (computeSystem *System) Properties(types ...schema1.PropertyType) (_ *schema1.ContainerProperties, err error) {
// Properties returns the requested container properties targeting a V1 schema container.
func (computeSystem *System) Properties(ctx context.Context, types ...schema1.PropertyType) (*schema1.ContainerProperties, error) {
computeSystem.handleLock.RLock()
defer computeSystem.handleLock.RUnlock()
operation := "hcsshim::ComputeSystem::Properties"
computeSystem.logOperationBegin(operation)
defer func() { computeSystem.logOperationEnd(operation, err) }()
operation := "hcsshim::System::Properties"
queryj, err := json.Marshal(schema1.PropertyQuery{types})
queryBytes, err := json.Marshal(schema1.PropertyQuery{PropertyTypes: types})
if err != nil {
return nil, makeSystemError(computeSystem, "Properties", "", err, nil)
return nil, makeSystemError(computeSystem, operation, "", err, nil)
}
logrus.WithFields(computeSystem.logctx).
WithField(logfields.JSON, queryj).
Debug("HCS ComputeSystem Properties Query")
var resultp, propertiesp *uint16
syscallWatcher(computeSystem.logctx, func() {
err = hcsGetComputeSystemProperties(computeSystem.handle, string(queryj), &propertiesp, &resultp)
})
events := processHcsResult(resultp)
propertiesJSON, resultJSON, err := vmcompute.HcsGetComputeSystemProperties(ctx, computeSystem.handle, string(queryBytes))
events := processHcsResult(ctx, resultJSON)
if err != nil {
return nil, makeSystemError(computeSystem, "Properties", "", err, events)
return nil, makeSystemError(computeSystem, operation, "", err, events)
}
if propertiesp == nil {
if propertiesJSON == "" {
return nil, ErrUnexpectedValue
}
propertiesRaw := interop.ConvertAndFreeCoTaskMemBytes(propertiesp)
properties := &schema1.ContainerProperties{}
if err := json.Unmarshal(propertiesRaw, properties); err != nil {
return nil, makeSystemError(computeSystem, "Properties", "", err, nil)
if err := json.Unmarshal([]byte(propertiesJSON), properties); err != nil {
return nil, makeSystemError(computeSystem, operation, "", err, nil)
}
return properties, nil
}
// PropertiesV2 returns the requested container properties targeting a V2 schema container.
func (computeSystem *System) PropertiesV2(ctx context.Context, types ...hcsschema.PropertyType) (*hcsschema.Properties, error) {
computeSystem.handleLock.RLock()
defer computeSystem.handleLock.RUnlock()
operation := "hcsshim::System::PropertiesV2"
queryBytes, err := json.Marshal(hcsschema.PropertyQuery{PropertyTypes: types})
if err != nil {
return nil, makeSystemError(computeSystem, operation, "", err, nil)
}
propertiesJSON, resultJSON, err := vmcompute.HcsGetComputeSystemProperties(ctx, computeSystem.handle, string(queryBytes))
events := processHcsResult(ctx, resultJSON)
if err != nil {
return nil, makeSystemError(computeSystem, operation, "", err, events)
}
if propertiesJSON == "" {
return nil, ErrUnexpectedValue
}
properties := &hcsschema.Properties{}
if err := json.Unmarshal([]byte(propertiesJSON), properties); err != nil {
return nil, makeSystemError(computeSystem, operation, "", err, nil)
}
return properties, nil
}
// Pause pauses the execution of the computeSystem. This feature is not enabled in TP5.
func (computeSystem *System) Pause() (err error) {
func (computeSystem *System) Pause(ctx context.Context) (err error) {
operation := "hcsshim::System::Pause"
// hcsPauseComputeSystemContext is an async peration. Start the outer span
// here to measure the full pause time.
ctx, span := trace.StartSpan(ctx, operation)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(trace.StringAttribute("cid", computeSystem.id))
computeSystem.handleLock.RLock()
defer computeSystem.handleLock.RUnlock()
operation := "hcsshim::ComputeSystem::Pause"
computeSystem.logOperationBegin(operation)
defer func() { computeSystem.logOperationEnd(operation, err) }()
if computeSystem.handle == 0 {
return makeSystemError(computeSystem, "Pause", "", ErrAlreadyClosed, nil)
return makeSystemError(computeSystem, operation, "", ErrAlreadyClosed, nil)
}
var resultp *uint16
syscallWatcher(computeSystem.logctx, func() {
err = hcsPauseComputeSystem(computeSystem.handle, "", &resultp)
})
events, err := processAsyncHcsResult(err, resultp, computeSystem.callbackNumber, hcsNotificationSystemPauseCompleted, &timeout.SystemPause)
resultJSON, err := vmcompute.HcsPauseComputeSystem(ctx, computeSystem.handle, "")
events, err := processAsyncHcsResult(ctx, err, resultJSON, computeSystem.callbackNumber, hcsNotificationSystemPauseCompleted, &timeout.SystemPause)
if err != nil {
return makeSystemError(computeSystem, "Pause", "", err, events)
return makeSystemError(computeSystem, operation, "", err, events)
}
return nil
}
// Resume resumes the execution of the computeSystem. This feature is not enabled in TP5.
func (computeSystem *System) Resume() (err error) {
func (computeSystem *System) Resume(ctx context.Context) (err error) {
operation := "hcsshim::System::Resume"
// hcsResumeComputeSystemContext is an async operation. Start the outer span
// here to measure the full restore time.
ctx, span := trace.StartSpan(ctx, operation)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(trace.StringAttribute("cid", computeSystem.id))
computeSystem.handleLock.RLock()
defer computeSystem.handleLock.RUnlock()
operation := "hcsshim::ComputeSystem::Resume"
computeSystem.logOperationBegin(operation)
defer func() { computeSystem.logOperationEnd(operation, err) }()
if computeSystem.handle == 0 {
return makeSystemError(computeSystem, "Resume", "", ErrAlreadyClosed, nil)
return makeSystemError(computeSystem, operation, "", ErrAlreadyClosed, nil)
}
var resultp *uint16
syscallWatcher(computeSystem.logctx, func() {
err = hcsResumeComputeSystem(computeSystem.handle, "", &resultp)
})
events, err := processAsyncHcsResult(err, resultp, computeSystem.callbackNumber, hcsNotificationSystemResumeCompleted, &timeout.SystemResume)
resultJSON, err := vmcompute.HcsResumeComputeSystem(ctx, computeSystem.handle, "")
events, err := processAsyncHcsResult(ctx, err, resultJSON, computeSystem.callbackNumber, hcsNotificationSystemResumeCompleted, &timeout.SystemResume)
if err != nil {
return makeSystemError(computeSystem, "Resume", "", err, events)
return makeSystemError(computeSystem, operation, "", err, events)
}
return nil
}
// CreateProcess launches a new process within the computeSystem.
func (computeSystem *System) CreateProcess(c interface{}) (_ *Process, err error) {
func (computeSystem *System) createProcess(ctx context.Context, operation string, c interface{}) (*Process, *vmcompute.HcsProcessInformation, error) {
computeSystem.handleLock.RLock()
defer computeSystem.handleLock.RUnlock()
operation := "hcsshim::ComputeSystem::CreateProcess"
computeSystem.logOperationBegin(operation)
defer func() { computeSystem.logOperationEnd(operation, err) }()
var (
processInfo hcsProcessInformation
processHandle hcsProcess
resultp *uint16
)
if computeSystem.handle == 0 {
return nil, makeSystemError(computeSystem, "CreateProcess", "", ErrAlreadyClosed, nil)
return nil, nil, makeSystemError(computeSystem, operation, "", ErrAlreadyClosed, nil)
}
configurationb, err := json.Marshal(c)
if err != nil {
return nil, makeSystemError(computeSystem, "CreateProcess", "", err, nil)
return nil, nil, makeSystemError(computeSystem, operation, "", err, nil)
}
configuration := string(configurationb)
logrus.WithFields(computeSystem.logctx).
WithField(logfields.JSON, configuration).
Debug("HCS ComputeSystem Process Document")
syscallWatcher(computeSystem.logctx, func() {
err = hcsCreateProcess(computeSystem.handle, configuration, &processInfo, &processHandle, &resultp)
})
events := processHcsResult(resultp)
processInfo, processHandle, resultJSON, err := vmcompute.HcsCreateProcess(ctx, computeSystem.handle, configuration)
events := processHcsResult(ctx, resultJSON)
if err != nil {
return nil, makeSystemError(computeSystem, "CreateProcess", configuration, err, events)
return nil, nil, makeSystemError(computeSystem, operation, configuration, err, events)
}
logrus.WithFields(computeSystem.logctx).
WithField(logfields.ProcessID, processInfo.ProcessId).
Debug("HCS ComputeSystem CreateProcess PID")
log.G(ctx).WithField("pid", processInfo.ProcessId).Debug("created process pid")
return newProcess(processHandle, int(processInfo.ProcessId), computeSystem), &processInfo, nil
}
process := newProcess(processHandle, int(processInfo.ProcessId), computeSystem)
process.cachedPipes = &cachedPipes{
stdIn: processInfo.StdInput,
stdOut: processInfo.StdOutput,
stdErr: processInfo.StdError,
// CreateProcess launches a new process within the computeSystem.
func (computeSystem *System) CreateProcess(ctx context.Context, c interface{}) (cow.Process, error) {
operation := "hcsshim::System::CreateProcess"
process, processInfo, err := computeSystem.createProcess(ctx, operation, c)
if err != nil {
return nil, err
}
defer func() {
if err != nil {
process.Close()
}
}()
if err = process.registerCallback(); err != nil {
return nil, makeSystemError(computeSystem, "CreateProcess", "", err, nil)
pipes, err := makeOpenFiles([]syscall.Handle{processInfo.StdInput, processInfo.StdOutput, processInfo.StdError})
if err != nil {
return nil, makeSystemError(computeSystem, operation, "", err, nil)
}
process.stdin = pipes[0]
process.stdout = pipes[1]
process.stderr = pipes[2]
process.hasCachedStdio = true
if err = process.registerCallback(ctx); err != nil {
return nil, makeSystemError(computeSystem, operation, "", err, nil)
}
go process.waitBackground()
return process, nil
}
// OpenProcess gets an interface to an existing process within the computeSystem.
func (computeSystem *System) OpenProcess(pid int) (_ *Process, err error) {
func (computeSystem *System) OpenProcess(ctx context.Context, pid int) (*Process, error) {
computeSystem.handleLock.RLock()
defer computeSystem.handleLock.RUnlock()
// Add PID for the context of this operation
computeSystem.logctx[logfields.ProcessID] = pid
defer delete(computeSystem.logctx, logfields.ProcessID)
operation := "hcsshim::ComputeSystem::OpenProcess"
computeSystem.logOperationBegin(operation)
defer func() { computeSystem.logOperationEnd(operation, err) }()
var (
processHandle hcsProcess
resultp *uint16
)
operation := "hcsshim::System::OpenProcess"
if computeSystem.handle == 0 {
return nil, makeSystemError(computeSystem, "OpenProcess", "", ErrAlreadyClosed, nil)
return nil, makeSystemError(computeSystem, operation, "", ErrAlreadyClosed, nil)
}
syscallWatcher(computeSystem.logctx, func() {
err = hcsOpenProcess(computeSystem.handle, uint32(pid), &processHandle, &resultp)
})
events := processHcsResult(resultp)
processHandle, resultJSON, err := vmcompute.HcsOpenProcess(ctx, computeSystem.handle, uint32(pid))
events := processHcsResult(ctx, resultJSON)
if err != nil {
return nil, makeSystemError(computeSystem, "OpenProcess", "", err, events)
return nil, makeSystemError(computeSystem, operation, "", err, events)
}
process := newProcess(processHandle, pid, computeSystem)
if err = process.registerCallback(); err != nil {
return nil, makeSystemError(computeSystem, "OpenProcess", "", err, nil)
if err = process.registerCallback(ctx); err != nil {
return nil, makeSystemError(computeSystem, operation, "", err, nil)
}
go process.waitBackground()
return process, nil
}
// Close cleans up any state associated with the compute system but does not terminate or wait for it.
func (computeSystem *System) Close() (err error) {
operation := "hcsshim::System::Close"
ctx, span := trace.StartSpan(context.Background(), operation)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(trace.StringAttribute("cid", computeSystem.id))
computeSystem.handleLock.Lock()
defer computeSystem.handleLock.Unlock()
operation := "hcsshim::ComputeSystem::Close"
computeSystem.logOperationBegin(operation)
defer func() { computeSystem.logOperationEnd(operation, err) }()
// Don't double free this
if computeSystem.handle == 0 {
return nil
}
if err = computeSystem.unregisterCallback(); err != nil {
return makeSystemError(computeSystem, "Close", "", err, nil)
if err = computeSystem.unregisterCallback(ctx); err != nil {
return makeSystemError(computeSystem, operation, "", err, nil)
}
syscallWatcher(computeSystem.logctx, func() {
err = hcsCloseComputeSystem(computeSystem.handle)
})
err = vmcompute.HcsCloseComputeSystem(ctx, computeSystem.handle)
if err != nil {
return makeSystemError(computeSystem, "Close", "", err, nil)
return makeSystemError(computeSystem, operation, "", err, nil)
}
computeSystem.handle = 0
computeSystem.closedWaitOnce.Do(func() {
computeSystem.waitError = ErrAlreadyClosed
close(computeSystem.waitBlock)
})
return nil
}
func (computeSystem *System) registerCallback() error {
context := &notifcationWatcherContext{
channels: newChannels(),
func (computeSystem *System) registerCallback(ctx context.Context) error {
callbackContext := &notifcationWatcherContext{
channels: newSystemChannels(),
systemID: computeSystem.id,
}
callbackMapLock.Lock()
callbackNumber := nextCallback
nextCallback++
callbackMap[callbackNumber] = context
callbackMap[callbackNumber] = callbackContext
callbackMapLock.Unlock()
var callbackHandle hcsCallback
err := hcsRegisterComputeSystemCallback(computeSystem.handle, notificationWatcherCallback, callbackNumber, &callbackHandle)
callbackHandle, err := vmcompute.HcsRegisterComputeSystemCallback(ctx, computeSystem.handle, notificationWatcherCallback, callbackNumber)
if err != nil {
return err
}
context.handle = callbackHandle
callbackContext.handle = callbackHandle
computeSystem.callbackNumber = callbackNumber
return nil
}
func (computeSystem *System) unregisterCallback() error {
func (computeSystem *System) unregisterCallback(ctx context.Context) error {
callbackNumber := computeSystem.callbackNumber
callbackMapLock.RLock()
context := callbackMap[callbackNumber]
callbackContext := callbackMap[callbackNumber]
callbackMapLock.RUnlock()
if context == nil {
if callbackContext == nil {
return nil
}
handle := context.handle
handle := callbackContext.handle
if handle == 0 {
return nil
@ -632,15 +613,15 @@ func (computeSystem *System) unregisterCallback() error {
// hcsUnregisterComputeSystemCallback has its own syncronization
// to wait for all callbacks to complete. We must NOT hold the callbackMapLock.
err := hcsUnregisterComputeSystemCallback(handle)
err := vmcompute.HcsUnregisterComputeSystemCallback(ctx, handle)
if err != nil {
return err
}
closeChannels(context.channels)
closeChannels(callbackContext.channels)
callbackMapLock.Lock()
callbackMap[callbackNumber] = nil
delete(callbackMap, callbackNumber)
callbackMapLock.Unlock()
handle = 0
@ -649,36 +630,26 @@ func (computeSystem *System) unregisterCallback() error {
}
// Modify the System by sending a request to HCS
func (computeSystem *System) Modify(config interface{}) (err error) {
func (computeSystem *System) Modify(ctx context.Context, config interface{}) error {
computeSystem.handleLock.RLock()
defer computeSystem.handleLock.RUnlock()
operation := "hcsshim::ComputeSystem::Modify"
computeSystem.logOperationBegin(operation)
defer func() { computeSystem.logOperationEnd(operation, err) }()
operation := "hcsshim::System::Modify"
if computeSystem.handle == 0 {
return makeSystemError(computeSystem, "Modify", "", ErrAlreadyClosed, nil)
return makeSystemError(computeSystem, operation, "", ErrAlreadyClosed, nil)
}
requestJSON, err := json.Marshal(config)
requestBytes, err := json.Marshal(config)
if err != nil {
return err
}
requestString := string(requestJSON)
logrus.WithFields(computeSystem.logctx).
WithField(logfields.JSON, requestString).
Debug("HCS ComputeSystem Modify Document")
var resultp *uint16
syscallWatcher(computeSystem.logctx, func() {
err = hcsModifyComputeSystem(computeSystem.handle, requestString, &resultp)
})
events := processHcsResult(resultp)
requestJSON := string(requestBytes)
resultJSON, err := vmcompute.HcsModifyComputeSystem(ctx, computeSystem.handle, requestJSON)
events := processHcsResult(ctx, resultJSON)
if err != nil {
return makeSystemError(computeSystem, "Modify", requestString, err, events)
return makeSystemError(computeSystem, operation, requestJSON, err, events)
}
return nil

18
vendor/github.com/Microsoft/hcsshim/internal/hcs/waithelper.go generated vendored
View File

@ -1,28 +1,34 @@
package hcs
import (
"context"
"time"
"github.com/sirupsen/logrus"
"github.com/Microsoft/hcsshim/internal/log"
)
func processAsyncHcsResult(err error, resultp *uint16, callbackNumber uintptr, expectedNotification hcsNotification, timeout *time.Duration) ([]ErrorEvent, error) {
events := processHcsResult(resultp)
func processAsyncHcsResult(ctx context.Context, err error, resultJSON string, callbackNumber uintptr, expectedNotification hcsNotification, timeout *time.Duration) ([]ErrorEvent, error) {
events := processHcsResult(ctx, resultJSON)
if IsPending(err) {
return nil, waitForNotification(callbackNumber, expectedNotification, timeout)
return nil, waitForNotification(ctx, callbackNumber, expectedNotification, timeout)
}
return events, err
}
func waitForNotification(callbackNumber uintptr, expectedNotification hcsNotification, timeout *time.Duration) error {
func waitForNotification(ctx context.Context, callbackNumber uintptr, expectedNotification hcsNotification, timeout *time.Duration) error {
callbackMapLock.RLock()
if _, ok := callbackMap[callbackNumber]; !ok {
callbackMapLock.RUnlock()
log.G(ctx).WithField("callbackNumber", callbackNumber).Error("failed to waitForNotification: callbackNumber does not exist in callbackMap")
return ErrHandleClose
}
channels := callbackMap[callbackNumber].channels
callbackMapLock.RUnlock()
expectedChannel := channels[expectedNotification]
if expectedChannel == nil {
logrus.Errorf("unknown notification type in waitForNotification %x", expectedNotification)
log.G(ctx).WithField("type", expectedNotification).Error("unknown notification type in waitForNotification")
return ErrInvalidNotificationType
}

41
vendor/github.com/Microsoft/hcsshim/internal/hcs/watcher.go generated vendored
View File

@ -1,41 +0,0 @@
package hcs
import (
"context"
"github.com/Microsoft/hcsshim/internal/logfields"
"github.com/Microsoft/hcsshim/internal/timeout"
"github.com/sirupsen/logrus"
)
// syscallWatcher is used as a very simple goroutine around calls into
// the platform. In some cases, we have seen HCS APIs not returning due to
// various bugs, and the goroutine making the syscall ends up not returning,
// prior to its async callback. By spinning up a syscallWatcher, it allows
// us to at least log a warning if a syscall doesn't complete in a reasonable
// amount of time.
//
// Usage is:
//
// syscallWatcher(logContext, func() {
// err = <syscall>(args...)
// })
//
func syscallWatcher(logContext logrus.Fields, syscallLambda func()) {
ctx, cancel := context.WithTimeout(context.Background(), timeout.SyscallWatcher)
defer cancel()
go watchFunc(ctx, logContext)
syscallLambda()
}
func watchFunc(ctx context.Context, logContext logrus.Fields) {
select {
case <-ctx.Done():
if ctx.Err() != context.Canceled {
logrus.WithFields(logContext).
WithField(logfields.Timeout, timeout.SyscallWatcher).
Warning("Syscall did not complete within operation timeout. This may indicate a platform issue. If it appears to be making no forward progress, obtain the stacks and see if there is a syscall stuck in the platform API for a significant length of time.")
}
}
}

533
vendor/github.com/Microsoft/hcsshim/internal/hcs/zsyscall_windows.go generated vendored
View File

@ -1,533 +0,0 @@
// Code generated mksyscall_windows.exe DO NOT EDIT
package hcs
import (
"syscall"
"unsafe"
"golang.org/x/sys/windows"
)
var _ unsafe.Pointer
// Do the interface allocations only once for common
// Errno values.
const (
errnoERROR_IO_PENDING = 997
)
var (
errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
)
// errnoErr returns common boxed Errno values, to prevent
// allocations at runtime.
func errnoErr(e syscall.Errno) error {
switch e {
case 0:
return nil
case errnoERROR_IO_PENDING:
return errERROR_IO_PENDING
}
// TODO: add more here, after collecting data on the common
// error values see on Windows. (perhaps when running
// all.bat?)
return e
}
var (
modvmcompute = windows.NewLazySystemDLL("vmcompute.dll")
procHcsEnumerateComputeSystems = modvmcompute.NewProc("HcsEnumerateComputeSystems")
procHcsCreateComputeSystem = modvmcompute.NewProc("HcsCreateComputeSystem")
procHcsOpenComputeSystem = modvmcompute.NewProc("HcsOpenComputeSystem")
procHcsCloseComputeSystem = modvmcompute.NewProc("HcsCloseComputeSystem")
procHcsStartComputeSystem = modvmcompute.NewProc("HcsStartComputeSystem")
procHcsShutdownComputeSystem = modvmcompute.NewProc("HcsShutdownComputeSystem")
procHcsTerminateComputeSystem = modvmcompute.NewProc("HcsTerminateComputeSystem")
procHcsPauseComputeSystem = modvmcompute.NewProc("HcsPauseComputeSystem")
procHcsResumeComputeSystem = modvmcompute.NewProc("HcsResumeComputeSystem")
procHcsGetComputeSystemProperties = modvmcompute.NewProc("HcsGetComputeSystemProperties")
procHcsModifyComputeSystem = modvmcompute.NewProc("HcsModifyComputeSystem")
procHcsRegisterComputeSystemCallback = modvmcompute.NewProc("HcsRegisterComputeSystemCallback")
procHcsUnregisterComputeSystemCallback = modvmcompute.NewProc("HcsUnregisterComputeSystemCallback")
procHcsCreateProcess = modvmcompute.NewProc("HcsCreateProcess")
procHcsOpenProcess = modvmcompute.NewProc("HcsOpenProcess")
procHcsCloseProcess = modvmcompute.NewProc("HcsCloseProcess")
procHcsTerminateProcess = modvmcompute.NewProc("HcsTerminateProcess")
procHcsGetProcessInfo = modvmcompute.NewProc("HcsGetProcessInfo")
procHcsGetProcessProperties = modvmcompute.NewProc("HcsGetProcessProperties")
procHcsModifyProcess = modvmcompute.NewProc("HcsModifyProcess")
procHcsGetServiceProperties = modvmcompute.NewProc("HcsGetServiceProperties")
procHcsRegisterProcessCallback = modvmcompute.NewProc("HcsRegisterProcessCallback")
procHcsUnregisterProcessCallback = modvmcompute.NewProc("HcsUnregisterProcessCallback")
)
func hcsEnumerateComputeSystems(query string, computeSystems **uint16, result **uint16) (hr error) {
var _p0 *uint16
_p0, hr = syscall.UTF16PtrFromString(query)
if hr != nil {
return
}
return _hcsEnumerateComputeSystems(_p0, computeSystems, result)
}
func _hcsEnumerateComputeSystems(query *uint16, computeSystems **uint16, result **uint16) (hr error) {
if hr = procHcsEnumerateComputeSystems.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcsEnumerateComputeSystems.Addr(), 3, uintptr(unsafe.Pointer(query)), uintptr(unsafe.Pointer(computeSystems)), uintptr(unsafe.Pointer(result)))
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsCreateComputeSystem(id string, configuration string, identity syscall.Handle, computeSystem *hcsSystem, result **uint16) (hr error) {
var _p0 *uint16
_p0, hr = syscall.UTF16PtrFromString(id)
if hr != nil {
return
}
var _p1 *uint16
_p1, hr = syscall.UTF16PtrFromString(configuration)
if hr != nil {
return
}
return _hcsCreateComputeSystem(_p0, _p1, identity, computeSystem, result)
}
func _hcsCreateComputeSystem(id *uint16, configuration *uint16, identity syscall.Handle, computeSystem *hcsSystem, result **uint16) (hr error) {
if hr = procHcsCreateComputeSystem.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall6(procHcsCreateComputeSystem.Addr(), 5, uintptr(unsafe.Pointer(id)), uintptr(unsafe.Pointer(configuration)), uintptr(identity), uintptr(unsafe.Pointer(computeSystem)), uintptr(unsafe.Pointer(result)), 0)
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsOpenComputeSystem(id string, computeSystem *hcsSystem, result **uint16) (hr error) {
var _p0 *uint16
_p0, hr = syscall.UTF16PtrFromString(id)
if hr != nil {
return
}
return _hcsOpenComputeSystem(_p0, computeSystem, result)
}
func _hcsOpenComputeSystem(id *uint16, computeSystem *hcsSystem, result **uint16) (hr error) {
if hr = procHcsOpenComputeSystem.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcsOpenComputeSystem.Addr(), 3, uintptr(unsafe.Pointer(id)), uintptr(unsafe.Pointer(computeSystem)), uintptr(unsafe.Pointer(result)))
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsCloseComputeSystem(computeSystem hcsSystem) (hr error) {
if hr = procHcsCloseComputeSystem.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcsCloseComputeSystem.Addr(), 1, uintptr(computeSystem), 0, 0)
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsStartComputeSystem(computeSystem hcsSystem, options string, result **uint16) (hr error) {
var _p0 *uint16
_p0, hr = syscall.UTF16PtrFromString(options)
if hr != nil {
return
}
return _hcsStartComputeSystem(computeSystem, _p0, result)
}
func _hcsStartComputeSystem(computeSystem hcsSystem, options *uint16, result **uint16) (hr error) {
if hr = procHcsStartComputeSystem.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcsStartComputeSystem.Addr(), 3, uintptr(computeSystem), uintptr(unsafe.Pointer(options)), uintptr(unsafe.Pointer(result)))
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsShutdownComputeSystem(computeSystem hcsSystem, options string, result **uint16) (hr error) {
var _p0 *uint16
_p0, hr = syscall.UTF16PtrFromString(options)
if hr != nil {
return
}
return _hcsShutdownComputeSystem(computeSystem, _p0, result)
}
func _hcsShutdownComputeSystem(computeSystem hcsSystem, options *uint16, result **uint16) (hr error) {
if hr = procHcsShutdownComputeSystem.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcsShutdownComputeSystem.Addr(), 3, uintptr(computeSystem), uintptr(unsafe.Pointer(options)), uintptr(unsafe.Pointer(result)))
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsTerminateComputeSystem(computeSystem hcsSystem, options string, result **uint16) (hr error) {
var _p0 *uint16
_p0, hr = syscall.UTF16PtrFromString(options)
if hr != nil {
return
}
return _hcsTerminateComputeSystem(computeSystem, _p0, result)
}
func _hcsTerminateComputeSystem(computeSystem hcsSystem, options *uint16, result **uint16) (hr error) {
if hr = procHcsTerminateComputeSystem.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcsTerminateComputeSystem.Addr(), 3, uintptr(computeSystem), uintptr(unsafe.Pointer(options)), uintptr(unsafe.Pointer(result)))
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsPauseComputeSystem(computeSystem hcsSystem, options string, result **uint16) (hr error) {
var _p0 *uint16
_p0, hr = syscall.UTF16PtrFromString(options)
if hr != nil {
return
}
return _hcsPauseComputeSystem(computeSystem, _p0, result)
}
func _hcsPauseComputeSystem(computeSystem hcsSystem, options *uint16, result **uint16) (hr error) {
if hr = procHcsPauseComputeSystem.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcsPauseComputeSystem.Addr(), 3, uintptr(computeSystem), uintptr(unsafe.Pointer(options)), uintptr(unsafe.Pointer(result)))
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsResumeComputeSystem(computeSystem hcsSystem, options string, result **uint16) (hr error) {
var _p0 *uint16
_p0, hr = syscall.UTF16PtrFromString(options)
if hr != nil {
return
}
return _hcsResumeComputeSystem(computeSystem, _p0, result)
}
func _hcsResumeComputeSystem(computeSystem hcsSystem, options *uint16, result **uint16) (hr error) {
if hr = procHcsResumeComputeSystem.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcsResumeComputeSystem.Addr(), 3, uintptr(computeSystem), uintptr(unsafe.Pointer(options)), uintptr(unsafe.Pointer(result)))
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsGetComputeSystemProperties(computeSystem hcsSystem, propertyQuery string, properties **uint16, result **uint16) (hr error) {
var _p0 *uint16
_p0, hr = syscall.UTF16PtrFromString(propertyQuery)
if hr != nil {
return
}
return _hcsGetComputeSystemProperties(computeSystem, _p0, properties, result)
}
func _hcsGetComputeSystemProperties(computeSystem hcsSystem, propertyQuery *uint16, properties **uint16, result **uint16) (hr error) {
if hr = procHcsGetComputeSystemProperties.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall6(procHcsGetComputeSystemProperties.Addr(), 4, uintptr(computeSystem), uintptr(unsafe.Pointer(propertyQuery)), uintptr(unsafe.Pointer(properties)), uintptr(unsafe.Pointer(result)), 0, 0)
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsModifyComputeSystem(computeSystem hcsSystem, configuration string, result **uint16) (hr error) {
var _p0 *uint16
_p0, hr = syscall.UTF16PtrFromString(configuration)
if hr != nil {
return
}
return _hcsModifyComputeSystem(computeSystem, _p0, result)
}
func _hcsModifyComputeSystem(computeSystem hcsSystem, configuration *uint16, result **uint16) (hr error) {
if hr = procHcsModifyComputeSystem.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcsModifyComputeSystem.Addr(), 3, uintptr(computeSystem), uintptr(unsafe.Pointer(configuration)), uintptr(unsafe.Pointer(result)))
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsRegisterComputeSystemCallback(computeSystem hcsSystem, callback uintptr, context uintptr, callbackHandle *hcsCallback) (hr error) {
if hr = procHcsRegisterComputeSystemCallback.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall6(procHcsRegisterComputeSystemCallback.Addr(), 4, uintptr(computeSystem), uintptr(callback), uintptr(context), uintptr(unsafe.Pointer(callbackHandle)), 0, 0)
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsUnregisterComputeSystemCallback(callbackHandle hcsCallback) (hr error) {
if hr = procHcsUnregisterComputeSystemCallback.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcsUnregisterComputeSystemCallback.Addr(), 1, uintptr(callbackHandle), 0, 0)
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsCreateProcess(computeSystem hcsSystem, processParameters string, processInformation *hcsProcessInformation, process *hcsProcess, result **uint16) (hr error) {
var _p0 *uint16
_p0, hr = syscall.UTF16PtrFromString(processParameters)
if hr != nil {
return
}
return _hcsCreateProcess(computeSystem, _p0, processInformation, process, result)
}
func _hcsCreateProcess(computeSystem hcsSystem, processParameters *uint16, processInformation *hcsProcessInformation, process *hcsProcess, result **uint16) (hr error) {
if hr = procHcsCreateProcess.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall6(procHcsCreateProcess.Addr(), 5, uintptr(computeSystem), uintptr(unsafe.Pointer(processParameters)), uintptr(unsafe.Pointer(processInformation)), uintptr(unsafe.Pointer(process)), uintptr(unsafe.Pointer(result)), 0)
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsOpenProcess(computeSystem hcsSystem, pid uint32, process *hcsProcess, result **uint16) (hr error) {
if hr = procHcsOpenProcess.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall6(procHcsOpenProcess.Addr(), 4, uintptr(computeSystem), uintptr(pid), uintptr(unsafe.Pointer(process)), uintptr(unsafe.Pointer(result)), 0, 0)
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsCloseProcess(process hcsProcess) (hr error) {
if hr = procHcsCloseProcess.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcsCloseProcess.Addr(), 1, uintptr(process), 0, 0)
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsTerminateProcess(process hcsProcess, result **uint16) (hr error) {
if hr = procHcsTerminateProcess.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcsTerminateProcess.Addr(), 2, uintptr(process), uintptr(unsafe.Pointer(result)), 0)
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsSignalProcess(process hcsProcess, options string, result **uint16) (hr error) {
var _p0 *uint16
_p0, hr = syscall.UTF16PtrFromString(options)
if hr != nil {
return
}
return _hcsSignalProcess(process, _p0, result)
}
func _hcsSignalProcess(process hcsProcess, options *uint16, result **uint16) (hr error) {
if hr = procHcsTerminateProcess.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcsTerminateProcess.Addr(), 3, uintptr(process), uintptr(unsafe.Pointer(options)), uintptr(unsafe.Pointer(result)))
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsGetProcessInfo(process hcsProcess, processInformation *hcsProcessInformation, result **uint16) (hr error) {
if hr = procHcsGetProcessInfo.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcsGetProcessInfo.Addr(), 3, uintptr(process), uintptr(unsafe.Pointer(processInformation)), uintptr(unsafe.Pointer(result)))
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsGetProcessProperties(process hcsProcess, processProperties **uint16, result **uint16) (hr error) {
if hr = procHcsGetProcessProperties.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcsGetProcessProperties.Addr(), 3, uintptr(process), uintptr(unsafe.Pointer(processProperties)), uintptr(unsafe.Pointer(result)))
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsModifyProcess(process hcsProcess, settings string, result **uint16) (hr error) {
var _p0 *uint16
_p0, hr = syscall.UTF16PtrFromString(settings)
if hr != nil {
return
}
return _hcsModifyProcess(process, _p0, result)
}
func _hcsModifyProcess(process hcsProcess, settings *uint16, result **uint16) (hr error) {
if hr = procHcsModifyProcess.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcsModifyProcess.Addr(), 3, uintptr(process), uintptr(unsafe.Pointer(settings)), uintptr(unsafe.Pointer(result)))
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsGetServiceProperties(propertyQuery string, properties **uint16, result **uint16) (hr error) {
var _p0 *uint16
_p0, hr = syscall.UTF16PtrFromString(propertyQuery)
if hr != nil {
return
}
return _hcsGetServiceProperties(_p0, properties, result)
}
func _hcsGetServiceProperties(propertyQuery *uint16, properties **uint16, result **uint16) (hr error) {
if hr = procHcsGetServiceProperties.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcsGetServiceProperties.Addr(), 3, uintptr(unsafe.Pointer(propertyQuery)), uintptr(unsafe.Pointer(properties)), uintptr(unsafe.Pointer(result)))
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsRegisterProcessCallback(process hcsProcess, callback uintptr, context uintptr, callbackHandle *hcsCallback) (hr error) {
if hr = procHcsRegisterProcessCallback.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall6(procHcsRegisterProcessCallback.Addr(), 4, uintptr(process), uintptr(callback), uintptr(context), uintptr(unsafe.Pointer(callbackHandle)), 0, 0)
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcsUnregisterProcessCallback(callbackHandle hcsCallback) (hr error) {
if hr = procHcsUnregisterProcessCallback.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcsUnregisterProcessCallback.Addr(), 1, uintptr(callbackHandle), 0, 0)
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}