client

package
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 Go to latest Published: Apr 11, 2019 License: Apache-2.0, Apache-2.0 Imports: 31 Imported by: 0

Documentation

Index

Constants

View Source 
const DefaultDockerHost = "unix:///var/run/docker.sock"

DefaultDockerHost defines os specific default if DOCKER_HOST is unset

Variables

View Source 
var ErrConnectionFailed = errors.New("Cannot connect to the Docker daemon. Is the docker daemon running on this host?")

ErrConnectionFailed is an error raised when the connection between the client and the server failed.

Functions

func IsErrContainerNotFound 

func IsErrContainerNotFound(err error) bool

IsErrContainerNotFound returns true if the error is caused when a container is not found in the docker host.

func IsErrImageNotFound 

func IsErrImageNotFound(err error) bool

IsErrImageNotFound returns true if the error is caused when an image is not found in the docker host.

func IsErrNetworkNotFound 

func IsErrNetworkNotFound(err error) bool

IsErrNetworkNotFound returns true if the error is caused when a network is not found in the docker host.

func IsErrUnauthorized 

func IsErrUnauthorized(err error) bool

IsErrUnauthorized returns true if the error is caused when a remote registry authentication fails

func IsErrVolumeNotFound 

func IsErrVolumeNotFound(err error) bool

IsErrVolumeNotFound returns true if the error is caused when a volume is not found in the docker host.

func ParseHost 

func ParseHost(host string) (string, string, string, error)

ParseHost verifies that the given host strings is valid.

Types

type APIClient 

type APIClient interface {
	ClientVersion() string
	ContainerAttach(ctx context.Context, container string, options types.ContainerAttachOptions) (types.HijackedResponse, error)
	ContainerCommit(ctx context.Context, container string, options types.ContainerCommitOptions) (types.ContainerCommitResponse, error)
	ContainerCreate(ctx context.Context, config *container.Config, hostConfig *container.HostConfig, networkingConfig *network.NetworkingConfig, containerName string) (types.ContainerCreateResponse, error)
	ContainerDiff(ctx context.Context, container string) ([]types.ContainerChange, error)
	ContainerExecAttach(ctx context.Context, execID string, config types.ExecConfig) (types.HijackedResponse, error)
	ContainerExecCreate(ctx context.Context, container string, config types.ExecConfig) (types.ContainerExecCreateResponse, error)
	ContainerExecInspect(ctx context.Context, execID string) (types.ContainerExecInspect, error)
	ContainerExecResize(ctx context.Context, execID string, options types.ResizeOptions) error
	ContainerExecStart(ctx context.Context, execID string, config types.ExecStartCheck) error
	ContainerExport(ctx context.Context, container string) (io.ReadCloser, error)
	ContainerInspect(ctx context.Context, container string) (types.ContainerJSON, error)
	ContainerInspectWithRaw(ctx context.Context, container string, getSize bool) (types.ContainerJSON, []byte, error)
	ContainerKill(ctx context.Context, container, signal string) error
	ContainerList(ctx context.Context, options types.ContainerListOptions) ([]types.Container, error)
	ContainerLogs(ctx context.Context, container string, options types.ContainerLogsOptions) (io.ReadCloser, error)
	ContainerPause(ctx context.Context, container string) error
	ContainerRemove(ctx context.Context, container string, options types.ContainerRemoveOptions) error
	ContainerRename(ctx context.Context, container, newContainerName string) error
	ContainerResize(ctx context.Context, container string, options types.ResizeOptions) error
	ContainerRestart(ctx context.Context, container string, timeout int) error
	ContainerStatPath(ctx context.Context, container, path string) (types.ContainerPathStat, error)
	ContainerStats(ctx context.Context, container string, stream bool) (io.ReadCloser, error)
	ContainerStart(ctx context.Context, container string) error
	ContainerStop(ctx context.Context, container string, timeout int) error
	ContainerTop(ctx context.Context, container string, arguments []string) (types.ContainerProcessList, error)
	ContainerUnpause(ctx context.Context, container string) error
	ContainerUpdate(ctx context.Context, container string, updateConfig container.UpdateConfig) error
	ContainerWait(ctx context.Context, container string) (int, error)
	CopyFromContainer(ctx context.Context, container, srcPath string) (io.ReadCloser, types.ContainerPathStat, error)
	CopyToContainer(ctx context.Context, container, path string, content io.Reader, options types.CopyToContainerOptions) error
	Events(ctx context.Context, options types.EventsOptions) (io.ReadCloser, error)
	ImageBuild(ctx context.Context, context io.Reader, options types.ImageBuildOptions) (types.ImageBuildResponse, error)
	ImageCreate(ctx context.Context, parentReference string, options types.ImageCreateOptions) (io.ReadCloser, error)
	ImageHistory(ctx context.Context, image string) ([]types.ImageHistory, error)
	ImageImport(ctx context.Context, source types.ImageImportSource, ref string, options types.ImageImportOptions) (io.ReadCloser, error)
	ImageInspectWithRaw(ctx context.Context, image string, getSize bool) (types.ImageInspect, []byte, error)
	ImageList(ctx context.Context, options types.ImageListOptions) ([]types.Image, error)
	ImageLoad(ctx context.Context, input io.Reader, quiet bool) (types.ImageLoadResponse, error)
	ImagePull(ctx context.Context, ref string, options types.ImagePullOptions) (io.ReadCloser, error)
	ImagePush(ctx context.Context, ref string, options types.ImagePushOptions) (io.ReadCloser, error)
	ImageRemove(ctx context.Context, image string, options types.ImageRemoveOptions) ([]types.ImageDelete, error)
	ImageSearch(ctx context.Context, term string, options types.ImageSearchOptions) ([]registry.SearchResult, error)
	ImageSave(ctx context.Context, images []string) (io.ReadCloser, error)
	ImageTag(ctx context.Context, image, ref string, options types.ImageTagOptions) error
	Info(ctx context.Context) (types.Info, error)
	NetworkConnect(ctx context.Context, networkID, container string, config *network.EndpointSettings) error
	NetworkCreate(ctx context.Context, name string, options types.NetworkCreate) (types.NetworkCreateResponse, error)
	NetworkDisconnect(ctx context.Context, networkID, container string, force bool) error
	NetworkInspect(ctx context.Context, networkID string) (types.NetworkResource, error)
	NetworkList(ctx context.Context, options types.NetworkListOptions) ([]types.NetworkResource, error)
	NetworkRemove(ctx context.Context, networkID string) error
	RegistryLogin(ctx context.Context, auth types.AuthConfig) (types.AuthResponse, error)
	ServerVersion(ctx context.Context) (types.Version, error)
	UpdateClientVersion(v string)
	VolumeCreate(ctx context.Context, options types.VolumeCreateRequest) (types.Volume, error)
	VolumeInspect(ctx context.Context, volumeID string) (types.Volume, error)
	VolumeList(ctx context.Context, filter filters.Args) (types.VolumesListResponse, error)
	VolumeRemove(ctx context.Context, volumeID string) error
}

APIClient is an interface that clients that talk with a docker server must implement.

type Client 

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

Client is the API client that performs all operations against a docker server.

func NewClient 

func NewClient(host string, version string, client *http.Client, httpHeaders map[string]string) (*Client, error)

NewClient initializes a new API client for the given host and API version. It won't send any version information if the version number is empty. It uses the given http client as transport. It also initializes the custom http headers to add to each request.

func NewEnvClient 

func NewEnvClient() (*Client, error)

NewEnvClient initializes a new API client based on environment variables. Use DOCKER_HOST to set the url to the docker server. Use DOCKER_API_VERSION to set the version of the API to reach, leave empty for latest. Use DOCKER_CERT_PATH to load the tls certificates from. Use DOCKER_TLS_VERIFY to enable or disable TLS verification, off by default.

func (*Client) ClientVersion 

func (cli *Client) ClientVersion() string

ClientVersion returns the version string associated with this instance of the Client. Note that this value can be changed via the DOCKER_API_VERSION env var.

func (*Client) ContainerAttach 

func (cli *Client) ContainerAttach(ctx context.Context, container string, options types.ContainerAttachOptions) (types.HijackedResponse, error)

ContainerAttach attaches a connection to a container in the server. It returns a types.HijackedConnection with the hijacked connection and the a reader to get output. It's up to the called to close the hijacked connection by calling types.HijackedResponse.Close.

func (*Client) ContainerCommit 

func (cli *Client) ContainerCommit(ctx context.Context, container string, options types.ContainerCommitOptions) (types.ContainerCommitResponse, error)

ContainerCommit applies changes into a container and creates a new tagged image.

func (*Client) ContainerCreate 

func (cli *Client) ContainerCreate(ctx context.Context, config *container.Config, hostConfig *container.HostConfig, networkingConfig *network.NetworkingConfig, containerName string) (types.ContainerCreateResponse, error)

ContainerCreate creates a new container based in the given configuration. It can be associated with a name, but it's not mandatory.

func (*Client) ContainerDiff 

func (cli *Client) ContainerDiff(ctx context.Context, containerID string) ([]types.ContainerChange, error)

ContainerDiff shows differences in a container filesystem since it was started.

func (*Client) ContainerExecAttach 

func (cli *Client) ContainerExecAttach(ctx context.Context, execID string, config types.ExecConfig) (types.HijackedResponse, error)

ContainerExecAttach attaches a connection to an exec process in the server. It returns a types.HijackedConnection with the hijacked connection and the a reader to get output. It's up to the called to close the hijacked connection by calling types.HijackedResponse.Close.

func (*Client) ContainerExecCreate 

func (cli *Client) ContainerExecCreate(ctx context.Context, container string, config types.ExecConfig) (types.ContainerExecCreateResponse, error)

ContainerExecCreate creates a new exec configuration to run an exec process.

func (*Client) ContainerExecInspect 

func (cli *Client) ContainerExecInspect(ctx context.Context, execID string) (types.ContainerExecInspect, error)

ContainerExecInspect returns information about a specific exec process on the docker host.

func (*Client) ContainerExecResize 

func (cli *Client) ContainerExecResize(ctx context.Context, execID string, options types.ResizeOptions) error

ContainerExecResize changes the size of the tty for an exec process running inside a container.

func (*Client) ContainerExecStart 

func (cli *Client) ContainerExecStart(ctx context.Context, execID string, config types.ExecStartCheck) error

ContainerExecStart starts an exec process already created in the docker host.

func (*Client) ContainerExport 

func (cli *Client) ContainerExport(ctx context.Context, containerID string) (io.ReadCloser, error)

ContainerExport retrieves the raw contents of a container and returns them as an io.ReadCloser. It's up to the caller to close the stream.

func (*Client) ContainerInspect 

func (cli *Client) ContainerInspect(ctx context.Context, containerID string) (types.ContainerJSON, error)

ContainerInspect returns the container information.

func (*Client) ContainerInspectWithRaw 

func (cli *Client) ContainerInspectWithRaw(ctx context.Context, containerID string, getSize bool) (types.ContainerJSON, []byte, error)

ContainerInspectWithRaw returns the container information and it's raw representation.

func (*Client) ContainerKill 

func (cli *Client) ContainerKill(ctx context.Context, containerID, signal string) error

ContainerKill terminates the container process but does not remove the container from the docker host.

func (*Client) ContainerList 

func (cli *Client) ContainerList(ctx context.Context, options types.ContainerListOptions) ([]types.Container, error)

ContainerList returns the list of containers in the docker host.

func (*Client) ContainerLogs 

func (cli *Client) ContainerLogs(ctx context.Context, container string, options types.ContainerLogsOptions) (io.ReadCloser, error)

ContainerLogs returns the logs generated by a container in an io.ReadCloser. It's up to the caller to close the stream.

func (*Client) ContainerPause 

func (cli *Client) ContainerPause(ctx context.Context, containerID string) error

ContainerPause pauses the main process of a given container without terminating it.

func (*Client) ContainerRemove 

func (cli *Client) ContainerRemove(ctx context.Context, containerID string, options types.ContainerRemoveOptions) error

ContainerRemove kills and removes a container from the docker host.

func (*Client) ContainerRename 

func (cli *Client) ContainerRename(ctx context.Context, containerID, newContainerName string) error

ContainerRename changes the name of a given container.

func (*Client) ContainerResize 

func (cli *Client) ContainerResize(ctx context.Context, containerID string, options types.ResizeOptions) error

ContainerResize changes the size of the tty for a container.

func (*Client) ContainerRestart 

func (cli *Client) ContainerRestart(ctx context.Context, containerID string, timeout int) error

ContainerRestart stops and starts a container again. It makes the daemon to wait for the container to be up again for a specific amount of time, given the timeout.

func (*Client) ContainerStart 

func (cli *Client) ContainerStart(ctx context.Context, containerID string) error

ContainerStart sends a request to the docker daemon to start a container.

func (*Client) ContainerStatPath 

func (cli *Client) ContainerStatPath(ctx context.Context, containerID, path string) (types.ContainerPathStat, error)

ContainerStatPath returns Stat information about a path inside the container filesystem.

func (*Client) ContainerStats 

func (cli *Client) ContainerStats(ctx context.Context, containerID string, stream bool) (io.ReadCloser, error)

ContainerStats returns near realtime stats for a given container. It's up to the caller to close the io.ReadCloser returned.

func (*Client) ContainerStop 

func (cli *Client) ContainerStop(ctx context.Context, containerID string, timeout int) error

ContainerStop stops a container without terminating the process. The process is blocked until the container stops or the timeout expires.

func (*Client) ContainerTop 

func (cli *Client) ContainerTop(ctx context.Context, containerID string, arguments []string) (types.ContainerProcessList, error)

ContainerTop shows process information from within a container.

func (*Client) ContainerUnpause 

func (cli *Client) ContainerUnpause(ctx context.Context, containerID string) error

ContainerUnpause resumes the process execution within a container

func (*Client) ContainerUpdate 

func (cli *Client) ContainerUpdate(ctx context.Context, containerID string, updateConfig container.UpdateConfig) error

ContainerUpdate updates resources of a container

func (*Client) ContainerWait 

func (cli *Client) ContainerWait(ctx context.Context, containerID string) (int, error)

ContainerWait pauses execution until a container exits. It returns the API status code as response of its readiness.

func (*Client) CopyFromContainer 

func (cli *Client) CopyFromContainer(ctx context.Context, container, srcPath string) (io.ReadCloser, types.ContainerPathStat, error)

CopyFromContainer gets the content from the container and returns it as a Reader to manipulate it in the host. It's up to the caller to close the reader.

func (*Client) CopyToContainer 

func (cli *Client) CopyToContainer(ctx context.Context, container, path string, content io.Reader, options types.CopyToContainerOptions) error

CopyToContainer copies content into the container filesystem.

func (*Client) Events 

func (cli *Client) Events(ctx context.Context, options types.EventsOptions) (io.ReadCloser, error)

Events returns a stream of events in the daemon in a ReadCloser. It's up to the caller to close the stream.

func (*Client) ImageBuild 

func (cli *Client) ImageBuild(ctx context.Context, buildContext io.Reader, options types.ImageBuildOptions) (types.ImageBuildResponse, error)

ImageBuild sends request to the daemon to build images. The Body in the response implement an io.ReadCloser and it's up to the caller to close it.

func (*Client) ImageCreate 

func (cli *Client) ImageCreate(ctx context.Context, parentReference string, options types.ImageCreateOptions) (io.ReadCloser, error)

ImageCreate creates a new image based in the parent options. It returns the JSON content in the response body.

func (*Client) ImageHistory 

func (cli *Client) ImageHistory(ctx context.Context, imageID string) ([]types.ImageHistory, error)

ImageHistory returns the changes in an image in history format.

func (*Client) ImageImport 

func (cli *Client) ImageImport(ctx context.Context, source types.ImageImportSource, ref string, options types.ImageImportOptions) (io.ReadCloser, error)

ImageImport creates a new image based in the source options. It returns the JSON content in the response body.

func (*Client) ImageInspectWithRaw 

func (cli *Client) ImageInspectWithRaw(ctx context.Context, imageID string, getSize bool) (types.ImageInspect, []byte, error)

ImageInspectWithRaw returns the image information and its raw representation.

func (*Client) ImageList 

func (cli *Client) ImageList(ctx context.Context, options types.ImageListOptions) ([]types.Image, error)

ImageList returns a list of images in the docker host.

func (*Client) ImageLoad 

func (cli *Client) ImageLoad(ctx context.Context, input io.Reader, quiet bool) (types.ImageLoadResponse, error)

ImageLoad loads an image in the docker host from the client host. It's up to the caller to close the io.ReadCloser returned by this function.

func (*Client) ImagePull 

func (cli *Client) ImagePull(ctx context.Context, ref string, options types.ImagePullOptions) (io.ReadCloser, error)

ImagePull requests the docker host to pull an image from a remote registry. It executes the privileged function if the operation is unauthorized and it tries one more time. It's up to the caller to handle the io.ReadCloser and close it properly.

FIXME(vdemeester): there is currently used in a few way in docker/docker - if not in trusted content, ref is used to pass the whole reference, and tag is empty - if in trusted content, ref is used to pass the reference name, and tag for the digest

func (*Client) ImagePush 

func (cli *Client) ImagePush(ctx context.Context, ref string, options types.ImagePushOptions) (io.ReadCloser, error)

ImagePush requests the docker host to push an image to a remote registry. It executes the privileged function if the operation is unauthorized and it tries one more time. It's up to the caller to handle the io.ReadCloser and close it properly.

func (*Client) ImageRemove 

func (cli *Client) ImageRemove(ctx context.Context, imageID string, options types.ImageRemoveOptions) ([]types.ImageDelete, error)

ImageRemove removes an image from the docker host.

func (*Client) ImageSave 

func (cli *Client) ImageSave(ctx context.Context, imageIDs []string) (io.ReadCloser, error)

ImageSave retrieves one or more images from the docker host as an io.ReadCloser. It's up to the caller to store the images and close the stream.

func (*Client) ImageSearch 

func (cli *Client) ImageSearch(ctx context.Context, term string, options types.ImageSearchOptions) ([]registry.SearchResult, error)

ImageSearch makes the docker host to search by a term in a remote registry. The list of results is not sorted in any fashion.

func (*Client) ImageTag 

func (cli *Client) ImageTag(ctx context.Context, imageID, ref string, options types.ImageTagOptions) error

ImageTag tags an image in the docker host

func (*Client) Info 

func (cli *Client) Info(ctx context.Context) (types.Info, error)

Info returns information about the docker server.

func (*Client) NetworkConnect 

func (cli *Client) NetworkConnect(ctx context.Context, networkID, containerID string, config *network.EndpointSettings) error

NetworkConnect connects a container to an existent network in the docker host.

func (*Client) NetworkCreate 

func (cli *Client) NetworkCreate(ctx context.Context, name string, options types.NetworkCreate) (types.NetworkCreateResponse, error)

NetworkCreate creates a new network in the docker host.

func (*Client) NetworkDisconnect 

func (cli *Client) NetworkDisconnect(ctx context.Context, networkID, containerID string, force bool) error

NetworkDisconnect disconnects a container from an existent network in the docker host.

func (*Client) NetworkInspect 

func (cli *Client) NetworkInspect(ctx context.Context, networkID string) (types.NetworkResource, error)

NetworkInspect returns the information for a specific network configured in the docker host.

func (*Client) NetworkList 

func (cli *Client) NetworkList(ctx context.Context, options types.NetworkListOptions) ([]types.NetworkResource, error)

NetworkList returns the list of networks configured in the docker host.

func (*Client) NetworkRemove 

func (cli *Client) NetworkRemove(ctx context.Context, networkID string) error

NetworkRemove removes an existent network from the docker host.

func (*Client) RegistryLogin 

func (cli *Client) RegistryLogin(ctx context.Context, auth types.AuthConfig) (types.AuthResponse, error)

RegistryLogin authenticates the docker server with a given docker registry. It returns UnauthorizerError when the authentication fails.

func (*Client) ServerVersion 

func (cli *Client) ServerVersion(ctx context.Context) (types.Version, error)

ServerVersion returns information of the docker client and server host.

func (*Client) UpdateClientVersion 

func (cli *Client) UpdateClientVersion(v string)

UpdateClientVersion updates the version string associated with this instance of the Client.

func (*Client) VolumeCreate 

func (cli *Client) VolumeCreate(ctx context.Context, options types.VolumeCreateRequest) (types.Volume, error)

VolumeCreate creates a volume in the docker host.

func (*Client) VolumeInspect 

func (cli *Client) VolumeInspect(ctx context.Context, volumeID string) (types.Volume, error)

VolumeInspect returns the information about a specific volume in the docker host.

func (*Client) VolumeList 

func (cli *Client) VolumeList(ctx context.Context, filter filters.Args) (types.VolumesListResponse, error)

VolumeList returns the volumes configured in the docker host.

func (*Client) VolumeRemove 

func (cli *Client) VolumeRemove(ctx context.Context, volumeID string) error

VolumeRemove removes a volume from the docker host.

Source Files

View all Source files

Directories

Path Synopsis
Package transport provides function to send request to remote endpoints.
 Package transport provides function to send request to remote endpoints.
cancellable
Package cancellable provides helper function to cancel http requests.
 Package cancellable provides helper function to cancel http requests.

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