backend

package
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Published: Jun 29, 2018 License: Apache-2.0 Imports: 6 Imported by: 0

Documentation

Overview

Package backend includes types to send information to server backends.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type BuildConfig

type BuildConfig struct {
	Source         io.ReadCloser
	ProgressWriter ProgressWriter
	Options        *types.ImageBuildOptions
}

BuildConfig is the configuration used by a BuildManager to start a build

type CommitConfig

type CommitConfig struct {
	Author              string
	Comment             string
	Config              *container.Config
	ContainerConfig     *container.Config
	ContainerID         string
	ContainerMountLabel string
	ContainerOS         string
	ParentImageID       string
}

CommitConfig is the configuration for creating an image as part of a build.

type ContainerAttachConfig

type ContainerAttachConfig struct {
	GetStreams func() (io.ReadCloser, io.Writer, io.Writer, error)
	UseStdin   bool
	UseStdout  bool
	UseStderr  bool
	Logs       bool
	Stream     bool
	DetachKeys string

	// Used to signify that streams are multiplexed and therefore need a StdWriter to encode stdout/stderr messages accordingly.
	// TODO @cpuguy83: This shouldn't be needed. It was only added so that http and websocket endpoints can use the same function, and the websocket function was not using a stdwriter prior to this change...
	// HOWEVER, the websocket endpoint is using a single stream and SHOULD be encoded with stdout/stderr as is done for HTTP since it is still just a single stream.
	// Since such a change is an API change unrelated to the current changeset we'll keep it as is here and change separately.
	MuxStreams bool
}

ContainerAttachConfig holds the streams to use when connecting to a container to view logs.

type ContainerStatsConfig

type ContainerStatsConfig struct {
	Stream    bool
	OutStream io.Writer
	Version   string
}

ContainerStatsConfig holds information for configuring the runtime behavior of a backend.ContainerStats() call.

type CreateImageConfig

type CreateImageConfig struct {
	Repo    string
	Tag     string
	Pause   bool
	Author  string
	Comment string
	Config  *container.Config
	Changes []string
}

CreateImageConfig is the configuration for creating an image from a container.

type ExecInspect

type ExecInspect struct {
	ID            string
	Running       bool
	ExitCode      *int
	ProcessConfig *ExecProcessConfig
	OpenStdin     bool
	OpenStderr    bool
	OpenStdout    bool
	CanRemove     bool
	ContainerID   string
	DetachKeys    []byte
	Pid           int
}

ExecInspect holds information about a running process started with docker exec.

type ExecProcessConfig

type ExecProcessConfig struct {
	Tty        bool     `json:"tty"`
	Entrypoint string   `json:"entrypoint"`
	Arguments  []string `json:"arguments"`
	Privileged *bool    `json:"privileged,omitempty"`
	User       string   `json:"user,omitempty"`
}

ExecProcessConfig holds information about the exec process running on the host.

type GetImageAndLayerOptions

type GetImageAndLayerOptions struct {
	PullOption PullOption
	AuthConfig map[string]types.AuthConfig
	Output     io.Writer
	Platform   *specs.Platform
}

GetImageAndLayerOptions are the options supported by GetImageAndReleasableLayer

type LogAttr

type LogAttr struct {
	Key   string
	Value string
}

LogAttr is used to hold the extra attributes available in the log message.

type LogMessage

type LogMessage struct {
	Line         []byte
	Source       string
	Timestamp    time.Time
	Attrs        []LogAttr
	PLogMetaData *PartialLogMetaData

	// Err is an error associated with a message. Completeness of a message
	// with Err is not expected, tho it may be partially complete (fields may
	// be missing, gibberish, or nil)
	Err error
}

LogMessage is datastructure that represents piece of output produced by some container. The Line member is a slice of an array whose contents can be changed after a log driver's Log() method returns. changes to this struct need to be reflect in the reset method in daemon/logger/logger.go

type LogSelector

type LogSelector struct {
	Services []string
	Tasks    []string
}

LogSelector is a list of services and tasks that should be returned as part of a log stream. It is similar to swarmapi.LogSelector, with the difference that the names don't have to be resolved to IDs; this is mostly to avoid accidents later where a swarmapi LogSelector might have been incorrectly used verbatim (and to avoid the handler having to import swarmapi types)

type PartialLogMetaData

type PartialLogMetaData struct {
	Last    bool   //true if this message is last of a partial
	ID      string // identifies group of messages comprising a single record
	Ordinal int    // ordering of message in partial group
}

PartialLogMetaData provides meta data for a partial log message. Messages exceeding a predefined size are split into chunks with this metadata. The expectation is for the logger endpoints to assemble the chunks using this metadata.

type ProgressWriter

type ProgressWriter struct {
	Output             io.Writer
	StdoutFormatter    io.Writer
	StderrFormatter    io.Writer
	AuxFormatter       *streamformatter.AuxFormatter
	ProgressReaderFunc func(io.ReadCloser) io.ReadCloser
}

ProgressWriter is a data object to transport progress streams to the client

type PullOption

type PullOption int

PullOption defines different modes for accessing images

const (
	// PullOptionNoPull only returns local images
	PullOptionNoPull PullOption = iota
	// PullOptionForcePull always tries to pull a ref from the registry first
	PullOptionForcePull
	// PullOptionPreferLocal uses local image if it exists, otherwise pulls
	PullOptionPreferLocal
)

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