go.mod github.com/Microsoft/hcsshim v0.8.16

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn
2021-03-12 17:17:51 +01:00
parent bc856372bb
commit 75b64e0f60
623 changed files with 60114 additions and 6182 deletions

View File

@ -1,8 +1,10 @@
package hcsshim
import (
"context"
"fmt"
"os"
"sync"
"time"
"github.com/Microsoft/hcsshim/internal/hcs"
@ -52,7 +54,10 @@ const (
type ResourceModificationRequestResponse = schema1.ResourceModificationRequestResponse
type container struct {
system *hcs.System
system *hcs.System
waitOnce sync.Once
waitErr error
waitCh chan struct{}
}
// createComputeSystemAdditionalJSON is read from the environment at initialisation
@ -71,61 +76,87 @@ func CreateContainer(id string, c *ContainerConfig) (Container, error) {
return nil, fmt.Errorf("failed to merge additional JSON '%s': %s", createContainerAdditionalJSON, err)
}
system, err := hcs.CreateComputeSystem(id, fullConfig)
system, err := hcs.CreateComputeSystem(context.Background(), id, fullConfig)
if err != nil {
return nil, err
}
return &container{system}, err
return &container{system: system}, err
}
// OpenContainer opens an existing container by ID.
func OpenContainer(id string) (Container, error) {
system, err := hcs.OpenComputeSystem(id)
system, err := hcs.OpenComputeSystem(context.Background(), id)
if err != nil {
return nil, err
}
return &container{system}, err
return &container{system: system}, err
}
// GetContainers gets a list of the containers on the system that match the query
func GetContainers(q ComputeSystemQuery) ([]ContainerProperties, error) {
return hcs.GetComputeSystems(q)
return hcs.GetComputeSystems(context.Background(), q)
}
// Start synchronously starts the container.
func (container *container) Start() error {
return convertSystemError(container.system.Start(), container)
return convertSystemError(container.system.Start(context.Background()), container)
}
// Shutdown requests a container shutdown, but it may not actually be shutdown until Wait() succeeds.
func (container *container) Shutdown() error {
return convertSystemError(container.system.Shutdown(), container)
err := container.system.Shutdown(context.Background())
if err != nil {
return convertSystemError(err, container)
}
return &ContainerError{Container: container, Err: ErrVmcomputeOperationPending, Operation: "hcsshim::ComputeSystem::Shutdown"}
}
// Terminate requests a container terminate, but it may not actually be terminated until Wait() succeeds.
func (container *container) Terminate() error {
return convertSystemError(container.system.Terminate(), container)
err := container.system.Terminate(context.Background())
if err != nil {
return convertSystemError(err, container)
}
return &ContainerError{Container: container, Err: ErrVmcomputeOperationPending, Operation: "hcsshim::ComputeSystem::Terminate"}
}
// Waits synchronously waits for the container to shutdown or terminate.
func (container *container) Wait() error {
return convertSystemError(container.system.Wait(), container)
err := container.system.Wait()
if err == nil {
err = container.system.ExitError()
}
return convertSystemError(err, container)
}
// WaitTimeout synchronously waits for the container to terminate or the duration to elapse. It
// returns false if timeout occurs.
func (container *container) WaitTimeout(t time.Duration) error {
return convertSystemError(container.system.WaitTimeout(t), container)
func (container *container) WaitTimeout(timeout time.Duration) error {
container.waitOnce.Do(func() {
container.waitCh = make(chan struct{})
go func() {
container.waitErr = container.Wait()
close(container.waitCh)
}()
})
t := time.NewTimer(timeout)
defer t.Stop()
select {
case <-t.C:
return &ContainerError{Container: container, Err: ErrTimeout, Operation: "hcsshim::ComputeSystem::Wait"}
case <-container.waitCh:
return container.waitErr
}
}
// Pause pauses the execution of a container.
func (container *container) Pause() error {
return convertSystemError(container.system.Pause(), container)
return convertSystemError(container.system.Pause(context.Background()), container)
}
// Resume resumes the execution of a container.
func (container *container) Resume() error {
return convertSystemError(container.system.Resume(), container)
return convertSystemError(container.system.Resume(context.Background()), container)
}
// HasPendingUpdates returns true if the container has updates pending to install
@ -135,7 +166,7 @@ func (container *container) HasPendingUpdates() (bool, error) {
// Statistics returns statistics for the container. This is a legacy v1 call
func (container *container) Statistics() (Statistics, error) {
properties, err := container.system.Properties(schema1.PropertyTypeStatistics)
properties, err := container.system.Properties(context.Background(), schema1.PropertyTypeStatistics)
if err != nil {
return Statistics{}, convertSystemError(err, container)
}
@ -145,7 +176,7 @@ func (container *container) Statistics() (Statistics, error) {
// ProcessList returns an array of ProcessListItems for the container. This is a legacy v1 call
func (container *container) ProcessList() ([]ProcessListItem, error) {
properties, err := container.system.Properties(schema1.PropertyTypeProcessList)
properties, err := container.system.Properties(context.Background(), schema1.PropertyTypeProcessList)
if err != nil {
return nil, convertSystemError(err, container)
}
@ -155,7 +186,7 @@ func (container *container) ProcessList() ([]ProcessListItem, error) {
// This is a legacy v1 call
func (container *container) MappedVirtualDisks() (map[int]MappedVirtualDiskController, error) {
properties, err := container.system.Properties(schema1.PropertyTypeMappedVirtualDisk)
properties, err := container.system.Properties(context.Background(), schema1.PropertyTypeMappedVirtualDisk)
if err != nil {
return nil, convertSystemError(err, container)
}
@ -165,20 +196,20 @@ func (container *container) MappedVirtualDisks() (map[int]MappedVirtualDiskContr
// CreateProcess launches a new process within the container.
func (container *container) CreateProcess(c *ProcessConfig) (Process, error) {
p, err := container.system.CreateProcess(c)
p, err := container.system.CreateProcess(context.Background(), c)
if err != nil {
return nil, convertSystemError(err, container)
}
return &process{p}, nil
return &process{p: p.(*hcs.Process)}, nil
}
// OpenProcess gets an interface to an existing process within the container.
func (container *container) OpenProcess(pid int) (Process, error) {
p, err := container.system.OpenProcess(pid)
p, err := container.system.OpenProcess(context.Background(), pid)
if err != nil {
return nil, convertSystemError(err, container)
}
return &process{p}, nil
return &process{p: p}, nil
}
// Close cleans up any state associated with the container but does not terminate or wait for it.
@ -188,5 +219,5 @@ func (container *container) Close() error {
// Modify the System
func (container *container) Modify(config *ResourceModificationRequestResponse) error {
return convertSystemError(container.system.Modify(config), container)
return convertSystemError(container.system.Modify(context.Background(), config), container)
}