client

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 Go to latest Published: Apr 6, 2020 License: Apache-2.0 Imports: 40 Imported by: 0

README

Go client for the Docker Engine API

The docker command uses this package to communicate with the daemon. It can also be used by your own Go applications to do anything the command-line interface does – running containers, pulling images, managing swarms, etc.

For example, to list running containers (the equivalent of docker ps):

package main

import (
	"context"
	"fmt"

	"github.com/docker/docker/api/types"
	"github.com/docker/docker/client"
)

func main() {
	cli, err := client.NewEnvClient()
	if err != nil {
		panic(err)
	}

	containers, err := cli.ContainerList(context.Background(), types.ContainerListOptions{})
	if err != nil {
		panic(err)
	}

	for _, container := range containers {
		fmt.Printf("%s %s\n", container.ID[:10], container.Image)
	}
}

Full documentation is available on GoDoc.

Documentation

Overview

Package client is a Go client for the Docker Engine API.

For more information about the Engine API, see the documentation: https://docs.docker.com/engine/reference/api/

Usage

You use the library by creating a client object and calling methods on it. The client can be created either from environment variables with NewEnvClient, or configured manually with NewClient.

For example, to list running containers (the equivalent of "docker ps"): 

package main

import (
	"context"
	"fmt"

	"github.com/docker/docker/api/types"
	"github.com/docker/docker/client"
)

func main() {
	cli, err := client.NewEnvClient()
	if err != nil {
		panic(err)
	}

	containers, err := cli.ContainerList(context.Background(), types.ContainerListOptions{})
	if err != nil {
		panic(err)
	}

	for _, container := range containers {
		fmt.Printf("%s %s\n", container.ID[:10], container.Image)
	}
}

Index

Examples

Constants

View Source 
const DefaultDockerHost = "unix:///var/run/balena-engine.sock"

DefaultDockerHost defines os specific default if DOCKER_HOST is unset

Variables

View Source 
var ErrRedirect = errors.New("unexpected redirect in response")

ErrRedirect is the error returned by checkRedirect when the request is non-GET.

Functions

func CheckRedirect 

func CheckRedirect(req *http.Request, via []*http.Request) error

CheckRedirect specifies the policy for dealing with redirect responses: If the request is non-GET return `ErrRedirect`. Otherwise use the last response.

Go 1.8 changes behavior for HTTP redirects (specifically 301, 307, and 308) in the client . The Docker client (and by extension docker API client) can be made to to send a request like POST /containers//start where what would normally be in the name section of the URL is empty. This triggers an HTTP 301 from the daemon. In go 1.8 this 301 will be converted to a GET request, and ends up getting a 404 from the daemon. This behavior change manifests in the client in that before the 301 was not followed and the client did not generate an error, but now results in a message like Error response from daemon: page not found.

func ErrorConnectionFailed 

func ErrorConnectionFailed(host string) error

ErrorConnectionFailed returns an error with host in the error message when connection to docker daemon failed.

func FromEnv 

func FromEnv(c *Client) error

FromEnv configures the client with values from environment variables.

Supported environment variables: DOCKER_HOST to set the url to the docker server. DOCKER_API_VERSION to set the version of the API to reach, leave empty for latest. DOCKER_CERT_PATH to load the TLS certificates from. DOCKER_TLS_VERIFY to enable or disable TLS verification, off by default.

func IsErrConnectionFailed 

func IsErrConnectionFailed(err error) bool

IsErrConnectionFailed returns true if the error is caused by connection failed.

func IsErrNotFound 

func IsErrNotFound(err error) bool

IsErrNotFound returns true if the error is a NotFound error, which is returned by the API when some object is not found.

func IsErrNotImplemented 

func IsErrNotImplemented(err error) bool

IsErrNotImplemented returns true if the error is a NotImplemented error. This is returned by the API when a requested feature has not been implemented.

func IsErrPluginPermissionDenied 

func IsErrPluginPermissionDenied(err error) bool

IsErrPluginPermissionDenied returns true if the error is caused when a user denies a plugin's permissions

func IsErrUnauthorized 

func IsErrUnauthorized(err error) bool

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

func ParseHostURL 

func ParseHostURL(host string) (*url.URL, error)

ParseHostURL parses a url string, validates the string is a host url, and returns the parsed URL

func WithDialContext 

func WithDialContext(dialContext func(ctx context.Context, network, addr string) (net.Conn, error)) func(*Client) error

WithDialContext applies the dialer to the client transport. This can be used to set the Timeout and KeepAlive settings of the client.

func WithDialer 

func WithDialer(dialer *net.Dialer) func(*Client) error

WithDialer applies the dialer.DialContext to the client transport. This can be used to set the Timeout and KeepAlive settings of the client. Deprecated: use WithDialContext

func WithHTTPClient 

func WithHTTPClient(client *http.Client) func(*Client) error

WithHTTPClient overrides the client http client with the specified one

func WithHTTPHeaders 

func WithHTTPHeaders(headers map[string]string) func(*Client) error

WithHTTPHeaders overrides the client default http headers

func WithHost 

func WithHost(host string) func(*Client) error

WithHost overrides the client host with the specified one.

func WithTLSClientConfig 

func WithTLSClientConfig(cacertPath, certPath, keyPath string) func(*Client) error

WithTLSClientConfig applies a tls config to the client transport.

func WithVersion 

func WithVersion(version string) func(*Client) error

WithVersion overrides the client version with the specified one

Types

type APIClient 

type APIClient interface {
	CommonAPIClient
	// contains filtered or unexported methods
}

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

type CheckpointAPIClient 

type CheckpointAPIClient interface {
	CheckpointCreate(ctx context.Context, container string, options types.CheckpointCreateOptions) error
	CheckpointDelete(ctx context.Context, container string, options types.CheckpointDeleteOptions) error
	CheckpointList(ctx context.Context, container string, options types.CheckpointListOptions) ([]types.Checkpoint, error)
}

CheckpointAPIClient defines API client methods for the checkpoints

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 uses the given http client as transport. It also initializes the custom http headers to add to each request.

It won't send any version information if the version number is empty. It is highly recommended that you set a version or your client may break if the server is upgraded. Deprecated: use NewClientWithOpts

func NewClientWithOpts 

func NewClientWithOpts(ops ...func(*Client) error) (*Client, error)

NewClientWithOpts initializes a new API client with default values. It takes functors to modify values when creating it, like `NewClientWithOpts(WithVersion(…))` It also initializes the custom http headers to add to each request.

It won't send any version information if the version number is empty. It is highly recommended that you set a version or your client may break if the server is upgraded.

func NewEnvClient deprecated 

func NewEnvClient() (*Client, error)

NewEnvClient initializes a new API client based on environment variables. See FromEnv for a list of support environment variables.

Deprecated: use NewClientWithOpts(FromEnv)

func (*Client) BuildCachePrune 

func (cli *Client) BuildCachePrune(ctx context.Context, opts types.BuildCachePruneOptions) (*types.BuildCachePruneReport, error)

BuildCachePrune requests the daemon to delete unused cache data

func (*Client) BuildCancel 

func (cli *Client) BuildCancel(ctx context.Context, id string) error

BuildCancel requests the daemon to cancel ongoing build request

func (*Client) CheckpointCreate 

func (cli *Client) CheckpointCreate(ctx context.Context, container string, options types.CheckpointCreateOptions) error

CheckpointCreate creates a checkpoint from the given container with the given name

func (*Client) CheckpointDelete 

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

CheckpointDelete deletes the checkpoint with the given name from the given container

func (*Client) CheckpointList 

func (cli *Client) CheckpointList(ctx context.Context, container string, options types.CheckpointListOptions) ([]types.Checkpoint, error)

CheckpointList returns the checkpoints of the given container in the docker host

func (*Client) ClientVersion 

func (cli *Client) ClientVersion() string

ClientVersion returns the API version used by this client.

func (*Client) Close 

func (cli *Client) Close() error

Close the transport used by the client

func (*Client) ConfigCreate 

func (cli *Client) ConfigCreate(ctx context.Context, config swarm.ConfigSpec) (types.ConfigCreateResponse, error)

ConfigCreate creates a new Config.

func (*Client) ConfigInspectWithRaw 

func (cli *Client) ConfigInspectWithRaw(ctx context.Context, id string) (swarm.Config, []byte, error)

ConfigInspectWithRaw returns the config information with raw data

func (*Client) ConfigList 

func (cli *Client) ConfigList(ctx context.Context, options types.ConfigListOptions) ([]swarm.Config, error)

ConfigList returns the list of configs.

func (*Client) ConfigRemove 

func (cli *Client) ConfigRemove(ctx context.Context, id string) error

ConfigRemove removes a Config.

func (*Client) ConfigUpdate 

func (cli *Client) ConfigUpdate(ctx context.Context, id string, version swarm.Version, config swarm.ConfigSpec) error

ConfigUpdate attempts to update a Config

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.

The stream format on the response will be in one of two formats:

If the container is using a TTY, there is only a single stream (stdout), and data is copied directly from the container output stream, no extra multiplexing or headers.

If the container is *not* using a TTY, streams for stdout and stderr are multiplexed. The format of the multiplexed stream is as follows: 

[8]byte{STREAM_TYPE, 0, 0, 0, SIZE1, SIZE2, SIZE3, SIZE4}[]byte{OUTPUT}

STREAM_TYPE can be 1 for stdout and 2 for stderr

SIZE1, SIZE2, SIZE3, and SIZE4 are four bytes of uint32 encoded as big endian. This is the size of OUTPUT.

You can use github.com/docker/docker/pkg/stdcopy.StdCopy to demultiplex this stream.

func (*Client) ContainerCommit 

func (cli *Client) ContainerCommit(ctx context.Context, container string, options types.ContainerCommitOptions) (types.IDResponse, 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) (container.ContainerCreateCreatedBody, 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) ([]container.ContainerChangeResponseItem, 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.ExecStartCheck) (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.IDResponse, 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 its 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.

The stream format on the response will be in one of two formats:

If the container is using a TTY, there is only a single stream (stdout), and data is copied directly from the container output stream, no extra multiplexing or headers.

If the container is *not* using a TTY, streams for stdout and stderr are multiplexed. The format of the multiplexed stream is as follows: 

[8]byte{STREAM_TYPE, 0, 0, 0, SIZE1, SIZE2, SIZE3, SIZE4}[]byte{OUTPUT}

STREAM_TYPE can be 1 for stdout and 2 for stderr

SIZE1, SIZE2, SIZE3, and SIZE4 are four bytes of uint32 encoded as big endian. This is the size of OUTPUT.

You can use github.com/docker/docker/pkg/stdcopy.StdCopy to demultiplex this stream.

Example (WithTimeout) 
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()

client, _ := NewEnvClient()
reader, err := client.ContainerLogs(ctx, "container_id", types.ContainerLogsOptions{})
if err != nil {
	log.Fatal(err)
}

_, err = io.Copy(os.Stdout, reader)
if err != nil && err != io.EOF {
	log.Fatal(err)
}

Output:

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 *time.Duration) 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, options types.ContainerStartOptions) 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) (types.ContainerStats, 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 *time.Duration) error

ContainerStop stops a container. In case the container fails to stop gracefully within a time frame specified by the timeout argument, it is forcefully terminated (killed).

If the timeout is nil, the container's StopTimeout value is used, if set, otherwise the engine default. A negative timeout value can be specified, meaning no timeout, i.e. no forceful termination is performed.

func (*Client) ContainerTop 

func (cli *Client) ContainerTop(ctx context.Context, containerID string, arguments []string) (container.ContainerTopOKBody, 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) (container.ContainerUpdateOKBody, error)

ContainerUpdate updates resources of a container

func (*Client) ContainerWait 

func (cli *Client) ContainerWait(ctx context.Context, containerID string, condition container.WaitCondition) (<-chan container.ContainerWaitOKBody, <-chan error)

ContainerWait waits until the specified container is in a certain state indicated by the given condition, either "not-running" (default), "next-exit", or "removed".

If this client's API version is before 1.30, condition is ignored and ContainerWait will return immediately with the two channels, as the server will wait as if the condition were "not-running".

If this client's API version is at least 1.30, ContainerWait blocks until the request has been acknowledged by the server (with a response header), then returns two channels on which the caller can wait for the exit status of the container or an error if there was a problem either beginning the wait request or in getting the response. This allows the caller to synchronize ContainerWait with other calls, such as specifying a "next-exit" condition before issuing a ContainerStart request.

Example (WithTimeout) 
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()

client, _ := NewEnvClient()
_, errC := client.ContainerWait(ctx, "container_id", "")
if err := <-errC; err != nil {
	log.Fatal(err)
}

Output:

func (*Client) ContainersPrune 

func (cli *Client) ContainersPrune(ctx context.Context, pruneFilters filters.Args) (types.ContainersPruneReport, error)

ContainersPrune requests the daemon to delete unused data

func (*Client) CopyFromContainer 

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

CopyFromContainer gets the content from the container and returns it as a Reader for a TAR archive 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, containerID, dstPath string, content io.Reader, options types.CopyToContainerOptions) error

CopyToContainer copies content into the container filesystem. Note that `content` must be a Reader for a TAR archive

func (*Client) CustomHTTPHeaders 

func (cli *Client) CustomHTTPHeaders() map[string]string

CustomHTTPHeaders returns the custom http headers stored by the client.

func (*Client) DaemonHost 

func (cli *Client) DaemonHost() string

DaemonHost returns the host address used by the client

func (*Client) DialSession 

func (cli *Client) DialSession(ctx context.Context, proto string, meta map[string][]string) (net.Conn, error)

DialSession returns a connection that can be used communication with daemon

func (*Client) Dialer 

func (cli *Client) Dialer() func(context.Context) (net.Conn, error)

Dialer returns a dialer for a raw stream connection, with HTTP/1.1 header, that can be used for proxying the daemon connection. Used by `docker dial-stdio` (docker/cli#889).

func (*Client) DiskUsage 

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

DiskUsage requests the current data usage from the daemon

func (*Client) DistributionInspect 

func (cli *Client) DistributionInspect(ctx context.Context, image, encodedRegistryAuth string) (registrytypes.DistributionInspect, error)

DistributionInspect returns the image digest with full Manifest

func (*Client) Events 

func (cli *Client) Events(ctx context.Context, options types.EventsOptions) (<-chan events.Message, <-chan error)

Events returns a stream of events in the daemon. It's up to the caller to close the stream by cancelling the context. Once the stream has been completely read an io.EOF error will be sent over the error channel. If an error is sent all processing will be stopped. It's up to the caller to reopen the stream in the event of an error by reinvoking this method.

func (*Client) HTTPClient 

func (cli *Client) HTTPClient() *http.Client

HTTPClient returns a copy of the HTTP client bound to the server

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) ImageDelta 

func (cli *Client) ImageDelta(ctx context.Context, src, dest string, options types.ImageDeltaOptions) (io.ReadCloser, error)

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

func (*Client) ImageHistory 

func (cli *Client) ImageHistory(ctx context.Context, imageID string) ([]image.HistoryResponseItem, 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) (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.ImageSummary, 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 in the ImageLoadResponse returned by this function.

func (*Client) ImagePull 

func (cli *Client) ImagePull(ctx context.Context, refStr 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, image 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.ImageDeleteResponseItem, 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, source, target string) error

ImageTag tags an image in the docker host

func (*Client) ImagesPrune 

func (cli *Client) ImagesPrune(ctx context.Context, pruneFilters filters.Args) (types.ImagesPruneReport, error)

ImagesPrune requests the daemon to delete unused data

func (*Client) Info 

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

Info returns information about the docker server.

func (*Client) NegotiateAPIVersion 

func (cli *Client) NegotiateAPIVersion(ctx context.Context)

NegotiateAPIVersion queries the API and updates the version to match the API version. Any errors are silently ignored.

func (*Client) NegotiateAPIVersionPing 

func (cli *Client) NegotiateAPIVersionPing(p types.Ping)

NegotiateAPIVersionPing updates the client version to match the Ping.APIVersion if the ping version is less than the default version.

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, options types.NetworkInspectOptions) (types.NetworkResource, error)

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

func (*Client) NetworkInspectWithRaw 

func (cli *Client) NetworkInspectWithRaw(ctx context.Context, networkID string, options types.NetworkInspectOptions) (types.NetworkResource, []byte, error)

NetworkInspectWithRaw returns the information for a specific network configured in the docker host and its raw representation.

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) NetworksPrune 

func (cli *Client) NetworksPrune(ctx context.Context, pruneFilters filters.Args) (types.NetworksPruneReport, error)

NetworksPrune requests the daemon to delete unused networks

func (*Client) NewVersionError 

func (cli *Client) NewVersionError(APIrequired, feature string) error

NewVersionError returns an error if the APIVersion required if less than the current supported version

func (*Client) NodeInspectWithRaw 

func (cli *Client) NodeInspectWithRaw(ctx context.Context, nodeID string) (swarm.Node, []byte, error)

NodeInspectWithRaw returns the node information.

func (*Client) NodeList 

func (cli *Client) NodeList(ctx context.Context, options types.NodeListOptions) ([]swarm.Node, error)

NodeList returns the list of nodes.

func (*Client) NodeRemove 

func (cli *Client) NodeRemove(ctx context.Context, nodeID string, options types.NodeRemoveOptions) error

NodeRemove removes a Node.

func (*Client) NodeUpdate 

func (cli *Client) NodeUpdate(ctx context.Context, nodeID string, version swarm.Version, node swarm.NodeSpec) error

NodeUpdate updates a Node.

func (*Client) Ping 

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

Ping pings the server and returns the value of the "Docker-Experimental", "Builder-Version", "OS-Type" & "API-Version" headers

func (*Client) PluginCreate 

func (cli *Client) PluginCreate(ctx context.Context, createContext io.Reader, createOptions types.PluginCreateOptions) error

PluginCreate creates a plugin

func (*Client) PluginDisable 

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

PluginDisable disables a plugin

func (*Client) PluginEnable 

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

PluginEnable enables a plugin

func (*Client) PluginInspectWithRaw 

func (cli *Client) PluginInspectWithRaw(ctx context.Context, name string) (*types.Plugin, []byte, error)

PluginInspectWithRaw inspects an existing plugin

func (*Client) PluginInstall 

func (cli *Client) PluginInstall(ctx context.Context, name string, options types.PluginInstallOptions) (rc io.ReadCloser, err error)

PluginInstall installs a plugin

func (*Client) PluginList 

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

PluginList returns the installed plugins

func (*Client) PluginPush 

func (cli *Client) PluginPush(ctx context.Context, name string, registryAuth string) (io.ReadCloser, error)

PluginPush pushes a plugin to a registry

func (*Client) PluginRemove 

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

PluginRemove removes a plugin

func (*Client) PluginSet 

func (cli *Client) PluginSet(ctx context.Context, name string, args []string) error

PluginSet modifies settings for an existing plugin

func (*Client) PluginUpgrade added in v1.13.1 

func (cli *Client) PluginUpgrade(ctx context.Context, name string, options types.PluginInstallOptions) (rc io.ReadCloser, err error)

PluginUpgrade upgrades a plugin

func (*Client) RegistryLogin 

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

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

func (*Client) SecretCreate 

func (cli *Client) SecretCreate(ctx context.Context, secret swarm.SecretSpec) (types.SecretCreateResponse, error)

SecretCreate creates a new Secret.

func (*Client) SecretInspectWithRaw 

func (cli *Client) SecretInspectWithRaw(ctx context.Context, id string) (swarm.Secret, []byte, error)

SecretInspectWithRaw returns the secret information with raw data

func (*Client) SecretList 

func (cli *Client) SecretList(ctx context.Context, options types.SecretListOptions) ([]swarm.Secret, error)

SecretList returns the list of secrets.

func (*Client) SecretRemove 

func (cli *Client) SecretRemove(ctx context.Context, id string) error

SecretRemove removes a Secret.

func (*Client) SecretUpdate added in v1.13.1 

func (cli *Client) SecretUpdate(ctx context.Context, id string, version swarm.Version, secret swarm.SecretSpec) error

SecretUpdate attempts to update a Secret

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) ServiceCreate 

func (cli *Client) ServiceCreate(ctx context.Context, service swarm.ServiceSpec, options types.ServiceCreateOptions) (types.ServiceCreateResponse, error)

ServiceCreate creates a new Service.

func (*Client) ServiceInspectWithRaw 

func (cli *Client) ServiceInspectWithRaw(ctx context.Context, serviceID string, opts types.ServiceInspectOptions) (swarm.Service, []byte, error)

ServiceInspectWithRaw returns the service information and the raw data.

func (*Client) ServiceList 

func (cli *Client) ServiceList(ctx context.Context, options types.ServiceListOptions) ([]swarm.Service, error)

ServiceList returns the list of services.

func (*Client) ServiceLogs 

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

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

Example (WithTimeout) 
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()

client, _ := NewEnvClient()
reader, err := client.ServiceLogs(ctx, "service_id", types.ContainerLogsOptions{})
if err != nil {
	log.Fatal(err)
}

_, err = io.Copy(os.Stdout, reader)
if err != nil && err != io.EOF {
	log.Fatal(err)
}

Output:

func (*Client) ServiceRemove 

func (cli *Client) ServiceRemove(ctx context.Context, serviceID string) error

ServiceRemove kills and removes a service.

func (*Client) ServiceUpdate 

func (cli *Client) ServiceUpdate(ctx context.Context, serviceID string, version swarm.Version, service swarm.ServiceSpec, options types.ServiceUpdateOptions) (types.ServiceUpdateResponse, error)

ServiceUpdate updates a Service.

func (*Client) SetCustomHTTPHeaders 

func (cli *Client) SetCustomHTTPHeaders(headers map[string]string)

SetCustomHTTPHeaders that will be set on every HTTP request made by the client. Deprecated: use WithHTTPHeaders when creating the client.

func (*Client) SwarmGetUnlockKey 

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

SwarmGetUnlockKey retrieves the swarm's unlock key.

func (*Client) SwarmInit 

func (cli *Client) SwarmInit(ctx context.Context, req swarm.InitRequest) (string, error)

SwarmInit initializes the swarm.

func (*Client) SwarmInspect 

func (cli *Client) SwarmInspect(ctx context.Context) (swarm.Swarm, error)

SwarmInspect inspects the swarm.

func (*Client) SwarmJoin 

func (cli *Client) SwarmJoin(ctx context.Context, req swarm.JoinRequest) error

SwarmJoin joins the swarm.

func (*Client) SwarmLeave 

func (cli *Client) SwarmLeave(ctx context.Context, force bool) error

SwarmLeave leaves the swarm.

func (*Client) SwarmUnlock 

func (cli *Client) SwarmUnlock(ctx context.Context, req swarm.UnlockRequest) error

SwarmUnlock unlocks locked swarm.

func (*Client) SwarmUpdate 

func (cli *Client) SwarmUpdate(ctx context.Context, version swarm.Version, swarm swarm.Spec, flags swarm.UpdateFlags) error

SwarmUpdate updates the swarm.

func (*Client) TaskInspectWithRaw 

func (cli *Client) TaskInspectWithRaw(ctx context.Context, taskID string) (swarm.Task, []byte, error)

TaskInspectWithRaw returns the task information and its raw representation..

func (*Client) TaskList 

func (cli *Client) TaskList(ctx context.Context, options types.TaskListOptions) ([]swarm.Task, error)

TaskList returns the list of tasks.

func (*Client) TaskLogs 

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

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

func (*Client) VolumeCreate 

func (cli *Client) VolumeCreate(ctx context.Context, options volumetypes.VolumeCreateBody) (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) VolumeInspectWithRaw 

func (cli *Client) VolumeInspectWithRaw(ctx context.Context, volumeID string) (types.Volume, []byte, error)

VolumeInspectWithRaw returns the information about a specific volume in the docker host and its raw representation

func (*Client) VolumeList 

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

VolumeList returns the volumes configured in the docker host.

func (*Client) VolumeRemove 

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

VolumeRemove removes a volume from the docker host.

func (*Client) VolumesPrune 

func (cli *Client) VolumesPrune(ctx context.Context, pruneFilters filters.Args) (types.VolumesPruneReport, error)

VolumesPrune requests the daemon to delete unused data

type CommonAPIClient 

type CommonAPIClient interface {
	ConfigAPIClient
	ContainerAPIClient
	DistributionAPIClient
	ImageAPIClient
	NodeAPIClient
	NetworkAPIClient
	PluginAPIClient
	ServiceAPIClient
	SwarmAPIClient
	SecretAPIClient
	SystemAPIClient
	VolumeAPIClient
	ClientVersion() string
	DaemonHost() string
	HTTPClient() *http.Client
	ServerVersion(ctx context.Context) (types.Version, error)
	NegotiateAPIVersion(ctx context.Context)
	NegotiateAPIVersionPing(types.Ping)
	DialSession(ctx context.Context, proto string, meta map[string][]string) (net.Conn, error)
	Dialer() func(context.Context) (net.Conn, error)
	Close() error
}

CommonAPIClient is the common methods between stable and experimental versions of APIClient.

type ConfigAPIClient 

type ConfigAPIClient interface {
	ConfigList(ctx context.Context, options types.ConfigListOptions) ([]swarm.Config, error)
	ConfigCreate(ctx context.Context, config swarm.ConfigSpec) (types.ConfigCreateResponse, error)
	ConfigRemove(ctx context.Context, id string) error
	ConfigInspectWithRaw(ctx context.Context, name string) (swarm.Config, []byte, error)
	ConfigUpdate(ctx context.Context, id string, version swarm.Version, config swarm.ConfigSpec) error
}

ConfigAPIClient defines API client methods for configs

type ContainerAPIClient 

type ContainerAPIClient interface {
	ContainerAttach(ctx context.Context, container string, options types.ContainerAttachOptions) (types.HijackedResponse, error)
	ContainerCommit(ctx context.Context, container string, options types.ContainerCommitOptions) (types.IDResponse, error)
	ContainerCreate(ctx context.Context, config *containertypes.Config, hostConfig *containertypes.HostConfig, networkingConfig *networktypes.NetworkingConfig, containerName string) (containertypes.ContainerCreateCreatedBody, error)
	ContainerDiff(ctx context.Context, container string) ([]containertypes.ContainerChangeResponseItem, error)
	ContainerExecAttach(ctx context.Context, execID string, config types.ExecStartCheck) (types.HijackedResponse, error)
	ContainerExecCreate(ctx context.Context, container string, config types.ExecConfig) (types.IDResponse, 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 *time.Duration) error
	ContainerStatPath(ctx context.Context, container, path string) (types.ContainerPathStat, error)
	ContainerStats(ctx context.Context, container string, stream bool) (types.ContainerStats, error)
	ContainerStart(ctx context.Context, container string, options types.ContainerStartOptions) error
	ContainerStop(ctx context.Context, container string, timeout *time.Duration) error
	ContainerTop(ctx context.Context, container string, arguments []string) (containertypes.ContainerTopOKBody, error)
	ContainerUnpause(ctx context.Context, container string) error
	ContainerUpdate(ctx context.Context, container string, updateConfig containertypes.UpdateConfig) (containertypes.ContainerUpdateOKBody, error)
	ContainerWait(ctx context.Context, container string, condition containertypes.WaitCondition) (<-chan containertypes.ContainerWaitOKBody, <-chan 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
	ContainersPrune(ctx context.Context, pruneFilters filters.Args) (types.ContainersPruneReport, error)
}

ContainerAPIClient defines API client methods for the containers

type DistributionAPIClient 

type DistributionAPIClient interface {
	DistributionInspect(ctx context.Context, image, encodedRegistryAuth string) (registry.DistributionInspect, error)
}

DistributionAPIClient defines API client methods for the registry

type ImageAPIClient 

type ImageAPIClient interface {
	ImageBuild(ctx context.Context, context io.Reader, options types.ImageBuildOptions) (types.ImageBuildResponse, error)
	BuildCachePrune(ctx context.Context, opts types.BuildCachePruneOptions) (*types.BuildCachePruneReport, error)
	BuildCancel(ctx context.Context, id string) error
	ImageCreate(ctx context.Context, parentReference string, options types.ImageCreateOptions) (io.ReadCloser, error)
	ImageDelta(ctx context.Context, src, dest string, options types.ImageDeltaOptions) (io.ReadCloser, error)
	ImageHistory(ctx context.Context, image string) ([]image.HistoryResponseItem, error)
	ImageImport(ctx context.Context, source types.ImageImportSource, ref string, options types.ImageImportOptions) (io.ReadCloser, error)
	ImageInspectWithRaw(ctx context.Context, image string) (types.ImageInspect, []byte, error)
	ImageList(ctx context.Context, options types.ImageListOptions) ([]types.ImageSummary, 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.ImageDeleteResponseItem, 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) error
	ImagesPrune(ctx context.Context, pruneFilter filters.Args) (types.ImagesPruneReport, error)
}

ImageAPIClient defines API client methods for the images

type NetworkAPIClient 

type NetworkAPIClient interface {
	NetworkConnect(ctx context.Context, network, container string, config *networktypes.EndpointSettings) error
	NetworkCreate(ctx context.Context, name string, options types.NetworkCreate) (types.NetworkCreateResponse, error)
	NetworkDisconnect(ctx context.Context, network, container string, force bool) error
	NetworkInspect(ctx context.Context, network string, options types.NetworkInspectOptions) (types.NetworkResource, error)
	NetworkInspectWithRaw(ctx context.Context, network string, options types.NetworkInspectOptions) (types.NetworkResource, []byte, error)
	NetworkList(ctx context.Context, options types.NetworkListOptions) ([]types.NetworkResource, error)
	NetworkRemove(ctx context.Context, network string) error
	NetworksPrune(ctx context.Context, pruneFilter filters.Args) (types.NetworksPruneReport, error)
}

NetworkAPIClient defines API client methods for the networks

type NodeAPIClient 

type NodeAPIClient interface {
	NodeInspectWithRaw(ctx context.Context, nodeID string) (swarm.Node, []byte, error)
	NodeList(ctx context.Context, options types.NodeListOptions) ([]swarm.Node, error)
	NodeRemove(ctx context.Context, nodeID string, options types.NodeRemoveOptions) error
	NodeUpdate(ctx context.Context, nodeID string, version swarm.Version, node swarm.NodeSpec) error
}

NodeAPIClient defines API client methods for the nodes

type PluginAPIClient 

type PluginAPIClient interface {
	PluginList(ctx context.Context, filter filters.Args) (types.PluginsListResponse, error)
	PluginRemove(ctx context.Context, name string, options types.PluginRemoveOptions) error
	PluginEnable(ctx context.Context, name string, options types.PluginEnableOptions) error
	PluginDisable(ctx context.Context, name string, options types.PluginDisableOptions) error
	PluginInstall(ctx context.Context, name string, options types.PluginInstallOptions) (io.ReadCloser, error)
	PluginUpgrade(ctx context.Context, name string, options types.PluginInstallOptions) (io.ReadCloser, error)
	PluginPush(ctx context.Context, name string, registryAuth string) (io.ReadCloser, error)
	PluginSet(ctx context.Context, name string, args []string) error
	PluginInspectWithRaw(ctx context.Context, name string) (*types.Plugin, []byte, error)
	PluginCreate(ctx context.Context, createContext io.Reader, options types.PluginCreateOptions) error
}

PluginAPIClient defines API client methods for the plugins

type SecretAPIClient 

type SecretAPIClient interface {
	SecretList(ctx context.Context, options types.SecretListOptions) ([]swarm.Secret, error)
	SecretCreate(ctx context.Context, secret swarm.SecretSpec) (types.SecretCreateResponse, error)
	SecretRemove(ctx context.Context, id string) error
	SecretInspectWithRaw(ctx context.Context, name string) (swarm.Secret, []byte, error)
	SecretUpdate(ctx context.Context, id string, version swarm.Version, secret swarm.SecretSpec) error
}

SecretAPIClient defines API client methods for secrets

type ServiceAPIClient 

type ServiceAPIClient interface {
	ServiceCreate(ctx context.Context, service swarm.ServiceSpec, options types.ServiceCreateOptions) (types.ServiceCreateResponse, error)
	ServiceInspectWithRaw(ctx context.Context, serviceID string, options types.ServiceInspectOptions) (swarm.Service, []byte, error)
	ServiceList(ctx context.Context, options types.ServiceListOptions) ([]swarm.Service, error)
	ServiceRemove(ctx context.Context, serviceID string) error
	ServiceUpdate(ctx context.Context, serviceID string, version swarm.Version, service swarm.ServiceSpec, options types.ServiceUpdateOptions) (types.ServiceUpdateResponse, error)
	ServiceLogs(ctx context.Context, serviceID string, options types.ContainerLogsOptions) (io.ReadCloser, error)
	TaskLogs(ctx context.Context, taskID string, options types.ContainerLogsOptions) (io.ReadCloser, error)
	TaskInspectWithRaw(ctx context.Context, taskID string) (swarm.Task, []byte, error)
	TaskList(ctx context.Context, options types.TaskListOptions) ([]swarm.Task, error)
}

ServiceAPIClient defines API client methods for the services

type SwarmAPIClient 

type SwarmAPIClient interface {
	SwarmInit(ctx context.Context, req swarm.InitRequest) (string, error)
	SwarmJoin(ctx context.Context, req swarm.JoinRequest) error
	SwarmGetUnlockKey(ctx context.Context) (types.SwarmUnlockKeyResponse, error)
	SwarmUnlock(ctx context.Context, req swarm.UnlockRequest) error
	SwarmLeave(ctx context.Context, force bool) error
	SwarmInspect(ctx context.Context) (swarm.Swarm, error)
	SwarmUpdate(ctx context.Context, version swarm.Version, swarm swarm.Spec, flags swarm.UpdateFlags) error
}

SwarmAPIClient defines API client methods for the swarm

type SystemAPIClient 

type SystemAPIClient interface {
	Events(ctx context.Context, options types.EventsOptions) (<-chan events.Message, <-chan error)
	Info(ctx context.Context) (types.Info, error)
	RegistryLogin(ctx context.Context, auth types.AuthConfig) (registry.AuthenticateOKBody, error)
	DiskUsage(ctx context.Context) (types.DiskUsage, error)
	Ping(ctx context.Context) (types.Ping, error)
}

SystemAPIClient defines API client methods for the system

type VolumeAPIClient 

type VolumeAPIClient interface {
	VolumeCreate(ctx context.Context, options volumetypes.VolumeCreateBody) (types.Volume, error)
	VolumeInspect(ctx context.Context, volumeID string) (types.Volume, error)
	VolumeInspectWithRaw(ctx context.Context, volumeID string) (types.Volume, []byte, error)
	VolumeList(ctx context.Context, filter filters.Args) (volumetypes.VolumeListOKBody, error)
	VolumeRemove(ctx context.Context, volumeID string, force bool) error
	VolumesPrune(ctx context.Context, pruneFilter filters.Args) (types.VolumesPruneReport, error)
}

VolumeAPIClient defines API client methods for the volumes

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