libdocker

package
v0.0.0-...-dacd781 Latest Latest
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 Go to latest Published: Feb 21, 2021 License: Apache-2.0 Imports: 29 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	// https://docs.docker.com/engine/reference/api/docker_remote_api/
	// docker version should be at least 1.13.1
	MinimumDockerAPIVersion = "1.26.0"

	// Status of a container returned by ListContainers.
	StatusRunningPrefix = "Up"
	StatusCreatedPrefix = "Created"
	StatusExitedPrefix  = "Exited"

	// Fake docker endpoint
	FakeDockerEndpoint = "fake://"
)

Variables

This section is empty.

Functions

func GetFakeContainerID 

func GetFakeContainerID(name string) string

GetFakeContainerID generates a fake container id from container name with a hash.

func IsContainerNotFoundError 

func IsContainerNotFoundError(err error) bool

IsContainerNotFoundError checks whether the error is container not found error.

func IsImageNotFoundError 

func IsImageNotFoundError(err error) bool

IsImageNotFoundError checks whether the error is image not found error. This is exposed to share with dockershim.

func ParseDockerTimestamp 

func ParseDockerTimestamp(s string) (time.Time, error)

ParseDockerTimestamp parses the timestamp returned by Interface from string to time.Time

Types

type CalledDetail 

type CalledDetail struct {
	// contains filtered or unexported fields
}

func NewCalledDetail 

func NewCalledDetail(name string, arguments []interface{}) CalledDetail

NewCalledDetail create a new call detail item.

type FakeContainer 

type FakeContainer struct {
	ID         string
	Name       string
	Running    bool
	ExitCode   int
	Pid        int
	CreatedAt  time.Time
	StartedAt  time.Time
	FinishedAt time.Time
	Config     *dockercontainer.Config
	HostConfig *dockercontainer.HostConfig
}

Because the new data type returned by engine-api is too complex to manually initialize, we need a fake container which is easier to initialize.

type FakeDockerClient 

type FakeDockerClient struct {
	sync.Mutex
	Clock                clock.Clock
	RunningContainerList []dockertypes.Container
	ExitedContainerList  []dockertypes.Container
	ContainerMap         map[string]*dockertypes.ContainerJSON
	ImageInspects        map[string]*dockertypes.ImageInspect
	Images               []dockertypes.ImageSummary
	ImageIDsNeedingAuth  map[string]dockertypes.AuthConfig
	Errors               map[string]error

	EnableTrace   bool
	RandGenerator *rand.Rand

	// Created, Started, Stopped and Removed all contain container docker ID
	Created []string
	Started []string
	Stopped []string
	Removed []string
	// Images pulled by ref (name or ID).
	ImagesPulled []string

	VersionInfo dockertypes.Version
	Information dockertypes.Info
	ExecInspect *dockertypes.ContainerExecInspect

	EnableSleep     bool
	ImageHistoryMap map[string][]dockerimagetypes.HistoryResponseItem
	// contains filtered or unexported fields
}

FakeDockerClient is a simple fake docker client, so that kubelet can be run for testing without requiring a real docker setup.

func NewFakeDockerClient 

func NewFakeDockerClient() *FakeDockerClient

func (*FakeDockerClient) AssertCallDetails 

func (f *FakeDockerClient) AssertCallDetails(calls ...CalledDetail) (err error)

func (*FakeDockerClient) AssertCalls 

func (f *FakeDockerClient) AssertCalls(calls []string) (err error)

func (*FakeDockerClient) AssertCreatedByName 

func (f *FakeDockerClient) AssertCreatedByName(created []string) error

func (*FakeDockerClient) AssertCreatedByNameWithOrder 

func (f *FakeDockerClient) AssertCreatedByNameWithOrder(created []string) error

func (*FakeDockerClient) AssertImagesPulled 

func (f *FakeDockerClient) AssertImagesPulled(pulled []string) error

func (*FakeDockerClient) AssertImagesPulledMsgs 

func (f *FakeDockerClient) AssertImagesPulledMsgs(expected []string) error

func (*FakeDockerClient) AssertStopped 

func (f *FakeDockerClient) AssertStopped(stopped []string) error

func (*FakeDockerClient) AssertStoppedByName 

func (f *FakeDockerClient) AssertStoppedByName(stopped []string) error

func (*FakeDockerClient) AttachToContainer 

func (f *FakeDockerClient) AttachToContainer(id string, opts dockertypes.ContainerAttachOptions, sopts StreamOptions) error

func (*FakeDockerClient) ClearCalls 

func (f *FakeDockerClient) ClearCalls()

func (*FakeDockerClient) ClearErrors 

func (f *FakeDockerClient) ClearErrors()

func (*FakeDockerClient) CreateContainer 

func (f *FakeDockerClient) CreateContainer(c dockertypes.ContainerCreateConfig) (*dockercontainer.ContainerCreateCreatedBody, error)

CreateContainer is a test-spy implementation of Interface.CreateContainer. It adds an entry "create" to the internal method call record.

func (*FakeDockerClient) CreateExec 

func (f *FakeDockerClient) CreateExec(id string, opts dockertypes.ExecConfig) (*dockertypes.IDResponse, error)

func (*FakeDockerClient) GetContainerStats 

func (f *FakeDockerClient) GetContainerStats(id string) (*dockertypes.StatsJSON, error)

func (*FakeDockerClient) ImageHistory 

func (f *FakeDockerClient) ImageHistory(id string) ([]dockerimagetypes.HistoryResponseItem, error)

func (*FakeDockerClient) Info 

func (f *FakeDockerClient) Info() (*dockertypes.Info, error)

func (*FakeDockerClient) InjectError 

func (f *FakeDockerClient) InjectError(fn string, err error)

func (*FakeDockerClient) InjectErrors 

func (f *FakeDockerClient) InjectErrors(errs map[string]error)

func (*FakeDockerClient) InjectImageHistory 

func (f *FakeDockerClient) InjectImageHistory(data map[string][]dockerimagetypes.HistoryResponseItem)

func (*FakeDockerClient) InjectImageInspects 

func (f *FakeDockerClient) InjectImageInspects(inspects []dockertypes.ImageInspect)

func (*FakeDockerClient) InjectImages 

func (f *FakeDockerClient) InjectImages(images []dockertypes.ImageSummary)

func (*FakeDockerClient) InspectContainer 

func (f *FakeDockerClient) InspectContainer(id string) (*dockertypes.ContainerJSON, error)

InspectContainer is a test-spy implementation of Interface.InspectContainer. It adds an entry "inspect" to the internal method call record.

func (*FakeDockerClient) InspectContainerWithSize 

func (f *FakeDockerClient) InspectContainerWithSize(id string) (*dockertypes.ContainerJSON, error)

InspectContainerWithSize is a test-spy implementation of Interface.InspectContainerWithSize. It adds an entry "inspect" to the internal method call record.

func (*FakeDockerClient) InspectExec 

func (f *FakeDockerClient) InspectExec(id string) (*dockertypes.ContainerExecInspect, error)

func (*FakeDockerClient) InspectImageByID 

func (f *FakeDockerClient) InspectImageByID(name string) (*dockertypes.ImageInspect, error)

InspectImageByID is a test-spy implementation of Interface.InspectImageByID. It adds an entry "inspect" to the internal method call record.

func (*FakeDockerClient) InspectImageByRef 

func (f *FakeDockerClient) InspectImageByRef(name string) (*dockertypes.ImageInspect, error)

InspectImageByRef is a test-spy implementation of Interface.InspectImageByRef. It adds an entry "inspect" to the internal method call record.

func (*FakeDockerClient) ListContainers 

func (f *FakeDockerClient) ListContainers(options dockertypes.ContainerListOptions) ([]dockertypes.Container, error)

ListContainers is a test-spy implementation of Interface.ListContainers. It adds an entry "list" to the internal method call record.

func (*FakeDockerClient) ListImages 

func (f *FakeDockerClient) ListImages(opts dockertypes.ImageListOptions) ([]dockertypes.ImageSummary, error)

func (*FakeDockerClient) Logs 

func (f *FakeDockerClient) Logs(id string, opts dockertypes.ContainerLogsOptions, sopts StreamOptions) error

Logs is a test-spy implementation of Interface.Logs. It adds an entry "logs" to the internal method call record.

func (*FakeDockerClient) MakeImagesPrivate 

func (f *FakeDockerClient) MakeImagesPrivate(images []dockertypes.ImageSummary, auth dockertypes.AuthConfig)

func (*FakeDockerClient) PullImage 

func (f *FakeDockerClient) PullImage(image string, auth dockertypes.AuthConfig, opts dockertypes.ImagePullOptions) error

PullImage is a test-spy implementation of Interface.PullImage. It adds an entry "pull" to the internal method call record.

func (*FakeDockerClient) RemoveContainer 

func (f *FakeDockerClient) RemoveContainer(id string, opts dockertypes.ContainerRemoveOptions) error

func (*FakeDockerClient) RemoveImage 

func (f *FakeDockerClient) RemoveImage(image string, opts dockertypes.ImageRemoveOptions) ([]dockertypes.ImageDeleteResponseItem, error)

func (*FakeDockerClient) ResetImages 

func (f *FakeDockerClient) ResetImages()

func (*FakeDockerClient) ResizeContainerTTY 

func (f *FakeDockerClient) ResizeContainerTTY(id string, height, width uint) error

func (*FakeDockerClient) ResizeExecTTY 

func (f *FakeDockerClient) ResizeExecTTY(id string, height, width uint) error

func (*FakeDockerClient) SetFakeContainers 

func (f *FakeDockerClient) SetFakeContainers(containers []*FakeContainer)

func (*FakeDockerClient) SetFakeRunningContainers 

func (f *FakeDockerClient) SetFakeRunningContainers(containers []*FakeContainer)

func (*FakeDockerClient) StartContainer 

func (f *FakeDockerClient) StartContainer(id string) error

StartContainer is a test-spy implementation of Interface.StartContainer. It adds an entry "start" to the internal method call record.

func (*FakeDockerClient) StartExec 

func (f *FakeDockerClient) StartExec(startExec string, opts dockertypes.ExecStartCheck, sopts StreamOptions) error

func (*FakeDockerClient) StopContainer 

func (f *FakeDockerClient) StopContainer(id string, timeout time.Duration) error

StopContainer is a test-spy implementation of Interface.StopContainer. It adds an entry "stop" to the internal method call record.

func (*FakeDockerClient) UpdateContainerResources 

func (f *FakeDockerClient) UpdateContainerResources(id string, updateConfig dockercontainer.UpdateConfig) error

func (*FakeDockerClient) Version 

func (f *FakeDockerClient) Version() (*dockertypes.Version, error)

func (*FakeDockerClient) WithClock 

func (f *FakeDockerClient) WithClock(c clock.Clock) *FakeDockerClient

func (*FakeDockerClient) WithRandSource 

func (f *FakeDockerClient) WithRandSource(source rand.Source) *FakeDockerClient

func (*FakeDockerClient) WithTraceDisabled 

func (f *FakeDockerClient) WithTraceDisabled() *FakeDockerClient

func (*FakeDockerClient) WithVersion 

func (f *FakeDockerClient) WithVersion(version, apiVersion string) *FakeDockerClient

type FakeDockerPuller 

type FakeDockerPuller struct {
	// contains filtered or unexported fields
}

FakeDockerPuller is meant to be a simple wrapper around FakeDockerClient. Please do not add more functionalities to it.

func (*FakeDockerPuller) GetImageRef 

func (f *FakeDockerPuller) GetImageRef(image string) (string, error)

func (*FakeDockerPuller) Pull 

func (f *FakeDockerPuller) Pull(image string, _ []v1.Secret) error

type ImageNotFoundError 

type ImageNotFoundError struct {
	ID string
}

ImageNotFoundError is the error returned by InspectImage when image not found. Expose this to inject error in dockershim for testing.

func (ImageNotFoundError) Error 

func (e ImageNotFoundError) Error() string

type Interface 

type Interface interface {
	ListContainers(options dockertypes.ContainerListOptions) ([]dockertypes.Container, error)
	InspectContainer(id string) (*dockertypes.ContainerJSON, error)
	InspectContainerWithSize(id string) (*dockertypes.ContainerJSON, error)
	CreateContainer(dockertypes.ContainerCreateConfig) (*dockercontainer.ContainerCreateCreatedBody, error)
	StartContainer(id string) error
	StopContainer(id string, timeout time.Duration) error
	UpdateContainerResources(id string, updateConfig dockercontainer.UpdateConfig) error
	RemoveContainer(id string, opts dockertypes.ContainerRemoveOptions) error
	InspectImageByRef(imageRef string) (*dockertypes.ImageInspect, error)
	InspectImageByID(imageID string) (*dockertypes.ImageInspect, error)
	ListImages(opts dockertypes.ImageListOptions) ([]dockertypes.ImageSummary, error)
	PullImage(image string, auth dockertypes.AuthConfig, opts dockertypes.ImagePullOptions) error
	RemoveImage(image string, opts dockertypes.ImageRemoveOptions) ([]dockertypes.ImageDeleteResponseItem, error)
	ImageHistory(id string) ([]dockerimagetypes.HistoryResponseItem, error)
	Logs(string, dockertypes.ContainerLogsOptions, StreamOptions) error
	Version() (*dockertypes.Version, error)
	Info() (*dockertypes.Info, error)
	CreateExec(string, dockertypes.ExecConfig) (*dockertypes.IDResponse, error)
	StartExec(string, dockertypes.ExecStartCheck, StreamOptions) error
	InspectExec(id string) (*dockertypes.ContainerExecInspect, error)
	AttachToContainer(string, dockertypes.ContainerAttachOptions, StreamOptions) error
	ResizeContainerTTY(id string, height, width uint) error
	ResizeExecTTY(id string, height, width uint) error
	GetContainerStats(id string) (*dockertypes.StatsJSON, error)
}

Interface is an abstract interface for testability. It abstracts the interface of docker client.

func ConnectToDockerOrDie 

func ConnectToDockerOrDie(dockerEndpoint string, requestTimeout, imagePullProgressDeadline time.Duration,
	withTraceDisabled bool, enableSleep bool) Interface

ConnectToDockerOrDie creates docker client connecting to docker daemon. If the endpoint passed in is "fake://", a fake docker client will be returned. The program exits if error occurs. The requestTimeout is the timeout for docker requests. If timeout is exceeded, the request will be cancelled and throw out an error. If requestTimeout is 0, a default value will be applied.

func NewInstrumentedInterface 

func NewInstrumentedInterface(dockerClient Interface) Interface

NewInstrumentedInterface creates an instrumented Interface from an existing Interface.

type StreamOptions 

type StreamOptions struct {
	RawTerminal  bool
	InputStream  io.Reader
	OutputStream io.Writer
	ErrorStream  io.Writer
	ExecStarted  chan struct{}
}

StreamOptions are the options used to configure the stream redirection

Source Files

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