docker

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Published: Feb 26, 2019 License: Apache-2.0 Imports: 3 Imported by: 22

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Constants

View Source
const TypeLayers = "layers"

github.com/moby/moby/image/rootfs.go

View Source
const V2S2MediaTypeUncompressedLayer = "application/vnd.docker.image.rootfs.diff.tar"

github.com/docker/distribution/manifest/schema2/manifest.go

Variables

This section is empty.

Functions

This section is empty.

Types

type Config

type Config struct {
	Hostname        string              // Hostname
	Domainname      string              // Domainname
	User            string              // User that will run the command(s) inside the container, also support user:group
	AttachStdin     bool                // Attach the standard input, makes possible user interaction
	AttachStdout    bool                // Attach the standard output
	AttachStderr    bool                // Attach the standard error
	ExposedPorts    PortSet             `json:",omitempty"` // List of exposed ports
	Tty             bool                // Attach standard streams to a tty, including stdin if it is not closed.
	OpenStdin       bool                // Open stdin
	StdinOnce       bool                // If true, close stdin after the 1 attached client disconnects.
	Env             []string            // List of environment variable to set in the container
	Cmd             strslice.StrSlice   // Command to run when starting the container
	Healthcheck     *HealthConfig       `json:",omitempty"` // Healthcheck describes how to check the container is healthy
	ArgsEscaped     bool                `json:",omitempty"` // True if command is already escaped (Windows specific)
	Image           string              // Name of the image as it was passed by the operator (e.g. could be symbolic)
	Volumes         map[string]struct{} // List of volumes (mounts) used for the container
	WorkingDir      string              // Current directory (PWD) in the command will be launched
	Entrypoint      strslice.StrSlice   // Entrypoint to run when starting the container
	NetworkDisabled bool                `json:",omitempty"` // Is network disabled
	MacAddress      string              `json:",omitempty"` // Mac Address of the container
	OnBuild         []string            // ONBUILD metadata that were defined on the image Dockerfile
	Labels          map[string]string   // List of labels set to this container
	StopSignal      string              `json:",omitempty"` // Signal to stop a container
	StopTimeout     *int                `json:",omitempty"` // Timeout (in seconds) to stop a container
	Shell           strslice.StrSlice   `json:",omitempty"` // Shell for shell-form of RUN, CMD, ENTRYPOINT
}

github.com/moby/moby/api/types/container/config.go Config contains the configuration data about a container. It should hold only portable information about the container. Here, "portable" means "independent from the host we are running on". Non-portable information *should* appear in HostConfig. All fields added to this struct must be marked `omitempty` to keep getting predictable hashes from the old `v1Compatibility` configuration.

type HealthConfig

type HealthConfig struct {
	// Test is the test to perform to check that the container is healthy.
	// An empty slice means to inherit the default.
	// The options are:
	// {} : inherit healthcheck
	// {"NONE"} : disable healthcheck
	// {"CMD", args...} : exec arguments directly
	// {"CMD-SHELL", command} : run command with system's default shell
	Test []string `json:",omitempty"`

	// Zero means to inherit. Durations are expressed as integer nanoseconds.
	Interval    time.Duration `json:",omitempty"` // Interval is the time to wait between checks.
	Timeout     time.Duration `json:",omitempty"` // Timeout is the time to wait before considering the check to have hung.
	StartPeriod time.Duration `json:",omitempty"` // Time to wait after the container starts before running the first check.

	// Retries is the number of consecutive failures needed to consider a container as unhealthy.
	// Zero means inherit.
	Retries int `json:",omitempty"`
}

github.com/moby/moby/api/types/container/config.go HealthConfig holds configuration settings for the HEALTHCHECK feature.

type ID

type ID digest.Digest

github.com/moby/moby/image/image.go ID is the content-addressable ID of an image.

type Port

type Port string

github.com/docker/go-connections/nat/nat.go Port is a string containing port number and protocol in the format "80/tcp"

type PortSet

type PortSet map[Port]struct{}

github.com/docker/go-connections/nat/nat.go PortSet is a collection of structs indexed by Port

type V1Compatibility

type V1Compatibility struct {
	ID              string    `json:"id"`
	Parent          string    `json:"parent,omitempty"`
	Comment         string    `json:"comment,omitempty"`
	Created         time.Time `json:"created"`
	ContainerConfig struct {
		Cmd []string
	} `json:"container_config,omitempty"`
	Author    string `json:"author,omitempty"`
	ThrowAway bool   `json:"throwaway,omitempty"`
}

github.com/docker/distribution/manifest/schema1/config_builder.go For non-top-level layers, create fake V1Compatibility strings that fit the format and don't collide with anything else, but don't result in runnable images on their own.

type V1Image

type V1Image struct {
	// ID is a unique 64 character identifier of the image
	ID string `json:"id,omitempty"`
	// Parent is the ID of the parent image
	Parent string `json:"parent,omitempty"`
	// Comment is the commit message that was set when committing the image
	Comment string `json:"comment,omitempty"`
	// Created is the timestamp at which the image was created
	Created time.Time `json:"created"`
	// Container is the id of the container used to commit
	Container string `json:"container,omitempty"`
	// ContainerConfig is the configuration of the container that is committed into the image
	ContainerConfig Config `json:"container_config,omitempty"`
	// DockerVersion specifies the version of Docker that was used to build the image
	DockerVersion string `json:"docker_version,omitempty"`
	// Author is the name of the author that was specified when committing the image
	Author string `json:"author,omitempty"`
	// Config is the configuration of the container received from the client
	Config *Config `json:"config,omitempty"`
	// Architecture is the hardware that the image is build and runs on
	Architecture string `json:"architecture,omitempty"`
	// OS is the operating system used to build and run the image
	OS string `json:"os,omitempty"`
	// Size is the total size of the image including all layers it is composed of
	Size int64 `json:",omitempty"`
}

github.com/moby/moby/image/image.go V1Image stores the V1 image configuration.

type V2Image

type V2Image struct {
	V1Image
	Parent     ID            `json:"parent,omitempty"`
	RootFS     *V2S2RootFS   `json:"rootfs,omitempty"`
	History    []V2S2History `json:"history,omitempty"`
	OSVersion  string        `json:"os.version,omitempty"`
	OSFeatures []string      `json:"os.features,omitempty"`
	// contains filtered or unexported fields
}

github.com/moby/moby/image/image.go V2Image stores the image configuration

type V2S1FSLayer

type V2S1FSLayer struct {
	// BlobSum is the tarsum of the referenced filesystem image layer
	BlobSum digest.Digest `json:"blobSum"`
}

github.com/docker/distribution/manifest/schema1/manifest.go V2S1FSLayer is a container struct for BlobSums defined in an image manifest

type V2S1History

type V2S1History struct {
	// V1Compatibility is the raw v1 compatibility information
	V1Compatibility string `json:"v1Compatibility"`
}

github.com/docker/distribution/manifest/schema1/manifest.go V2S1History stores unstructured v1 compatibility information

type V2S1Manifest

type V2S1Manifest struct {
	V2Versioned

	// Name is the name of the image's repository
	Name string `json:"name"`

	// Tag is the tag of the image specified by this manifest
	Tag string `json:"tag"`

	// Architecture is the host architecture on which this image is intended to
	// run
	Architecture string `json:"architecture"`

	// FSLayers is a list of filesystem layer blobSums contained in this image
	FSLayers []V2S1FSLayer `json:"fsLayers"`

	// History is a list of unstructured historical data for v1 compatibility
	History []V2S1History `json:"history"`
}

github.com/docker/distribution/manifest/schema1/manifest.go V2S1Manifest provides the base accessible fields for working with V2 image format in the registry.

type V2S2Descriptor

type V2S2Descriptor struct {
	// MediaType describe the type of the content. All text based formats are
	// encoded as utf-8.
	MediaType string `json:"mediaType,omitempty"`

	// Size in bytes of content.
	Size int64 `json:"size,omitempty"`

	// Digest uniquely identifies the content. A byte stream can be verified
	// against against this digest.
	Digest digest.Digest `json:"digest,omitempty"`

	// URLs contains the source URLs of this content.
	URLs []string `json:"urls,omitempty"`
}

github.com/docker/distribution/blobs.go V2S2Descriptor describes targeted content. Used in conjunction with a blob store, a descriptor can be used to fetch, store and target any kind of blob. The struct also describes the wire protocol format. Fields should only be added but never changed.

type V2S2History

type V2S2History struct {
	// Created is the timestamp at which the image was created
	Created time.Time `json:"created"`
	// Author is the name of the author that was specified when committing the image
	Author string `json:"author,omitempty"`
	// CreatedBy keeps the Dockerfile command used while building the image
	CreatedBy string `json:"created_by,omitempty"`
	// Comment is the commit message that was set when committing the image
	Comment string `json:"comment,omitempty"`
	// EmptyLayer is set to true if this history item did not generate a
	// layer. Otherwise, the history item is associated with the next
	// layer in the RootFS section.
	EmptyLayer bool `json:"empty_layer,omitempty"`
}

github.com/moby/moby/image/image.go V2S2History stores build commands that were used to create an image

type V2S2Manifest

type V2S2Manifest struct {
	V2Versioned

	// Config references the image configuration as a blob.
	Config V2S2Descriptor `json:"config"`

	// Layers lists descriptors for the layers referenced by the
	// configuration.
	Layers []V2S2Descriptor `json:"layers"`
}

github.com/docker/distribution/manifest/schema2/manifest.go V2S2Manifest defines a schema2 manifest.

type V2S2RootFS

type V2S2RootFS struct {
	Type    string          `json:"type"`
	DiffIDs []digest.Digest `json:"diff_ids,omitempty"`
}

github.com/moby/moby/image/rootfs.go V2S2RootFS describes images root filesystem This is currently a placeholder that only supports layers. In the future this can be made into an interface that supports different implementations.

type V2Versioned

type V2Versioned struct {
	// SchemaVersion is the image manifest schema that this image follows
	SchemaVersion int `json:"schemaVersion"`

	// MediaType is the media type of this schema.
	MediaType string `json:"mediaType,omitempty"`
}

github.com/docker/distribution/manifest/versioned.go V2Versioned provides a struct with the manifest schemaVersion and mediaType. Incoming content with unknown schema version can be decoded against this struct to check the version.

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