buildah

package
v0.4.3 Latest Latest
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 Go to latest Published: Apr 20, 2018 License: Apache-2.0 Imports: 28 Imported by: 0

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Constants

View Source 
const (
	// Package is the name of this package, used in help output and to
	// identify working containers.
	Package = "buildah"
	// Version for the Package.  Bump version in contrib/rpm/buildah.spec
	// too.
	Version = "0.15"
)
View Source 
const (
	// OCIv1ImageManifest is the MIME type of an OCIv1 image manifest,
	// suitable for specifying as a value of the PreferredManifestType
	// member of a CommitOptions structure.  It is also the default.
	OCIv1ImageManifest = v1.MediaTypeImageManifest
	// Dockerv2ImageManifest is the MIME type of a Docker v2s2 image
	// manifest, suitable for specifying as a value of the
	// PreferredManifestType member of a CommitOptions structure.
	Dockerv2ImageManifest = docker.V2S2MediaTypeManifest
)

Variables

This section is empty.

Functions

func AddImageNames 

func AddImageNames(store storage.Store, image *storage.Image, addNames []string) error

AddImageNames adds the specified names to the specified image.

func ExpandNames 

func ExpandNames(names []string) ([]string, error)

ExpandNames takes unqualified names, parses them as image names, and returns the fully expanded result, including a tag. Names which don't include a registry name will be marked for the most-preferred registry (i.e., the first one in our configuration).

func InitReexec 

func InitReexec() bool

InitReexec is a wrapper for reexec.Init(). It should be called at the start of main(), and if it returns true, main() should return immediately.

func Push 

func Push(ctx context.Context, image string, dest types.ImageReference, options PushOptions) error

Push copies the contents of the image to a new location.

Types

type Builder 

type Builder struct {

	// Type is used to help identify a build container's metadata.  It
	// should not be modified.
	Type string `json:"type"`
	// FromImage is the name of the source image which was used to create
	// the container, if one was used.  It should not be modified.
	FromImage string `json:"image,omitempty"`
	// FromImageID is the ID of the source image which was used to create
	// the container, if one was used.  It should not be modified.
	FromImageID string `json:"image-id"`
	// Config is the source image's configuration.  It should not be
	// modified.
	Config []byte `json:"config,omitempty"`
	// Manifest is the source image's manifest.  It should not be modified.
	Manifest []byte `json:"manifest,omitempty"`

	// Container is the name of the build container.  It should not be modified.
	Container string `json:"container-name,omitempty"`
	// ContainerID is the ID of the build container.  It should not be modified.
	ContainerID string `json:"container-id,omitempty"`
	// MountPoint is the last location where the container's root
	// filesystem was mounted.  It should not be modified.
	MountPoint string `json:"mountpoint,omitempty"`
	// ProcessLabel is the SELinux process label associated with the container
	ProcessLabel string `json:"process-label,omitempty"`
	// MountLabel is the SELinux mount label associated with the container
	MountLabel string `json:"mount-label,omitempty"`

	// ImageAnnotations is a set of key-value pairs which is stored in the
	// image's manifest.
	ImageAnnotations map[string]string `json:"annotations,omitempty"`
	// ImageCreatedBy is a description of how this container was built.
	ImageCreatedBy string `json:"created-by,omitempty"`

	// Image metadata and runtime settings, in multiple formats.
	OCIv1  v1.Image       `json:"ociv1,omitempty"`
	Docker docker.V2Image `json:"docker,omitempty"`
	// DefaultMountsFilePath is the file path holding the mounts to be mounted in "host-path:container-path" format
	DefaultMountsFilePath string `json:"defaultMountsFilePath,omitempty"`
	CommonBuildOpts       *CommonBuildOptions
	// contains filtered or unexported fields
}

Builder objects are used to represent containers which are being used to build images. They also carry potential updates which will be applied to the image's configuration when the container's contents are used to build an image.

func ImportBuilder 

func ImportBuilder(ctx context.Context, store storage.Store, options ImportOptions) (*Builder, error)

ImportBuilder creates a new build configuration using an already-present container.

func (*Builder) AddVolume 

func (b *Builder) AddVolume(v string)

AddVolume adds a location to the image's list of locations which should be mounted from outside of the container when a container based on an image built from this container is run.

func (*Builder) Annotations 

func (b *Builder) Annotations() map[string]string

Annotations returns a set of key-value pairs from the image's manifest.

func (*Builder) Architecture 

func (b *Builder) Architecture() string

Architecture returns a name of the architecture on which the container, or a container built using an image built from this container, is intended to be run.

func (*Builder) ClearAnnotations 

func (b *Builder) ClearAnnotations()

ClearAnnotations removes all keys and their values from the image's manifest.

func (*Builder) ClearEnv 

func (b *Builder) ClearEnv()

ClearEnv removes all values from the set of environment strings which should be set when running commands in this container, or in a container built using an image built from this container.

func (*Builder) ClearLabels 

func (b *Builder) ClearLabels()

ClearLabels removes all keys and their values from the image's runtime configuration.

func (*Builder) ClearPorts 

func (b *Builder) ClearPorts()

ClearPorts empties the set of ports which should be exposed when a container based on an image built from this container is run.

func (*Builder) ClearVolumes 

func (b *Builder) ClearVolumes()

ClearVolumes removes all locations from the image's list of locations which should be mounted from outside of the container when a container based on an image built from this container is run.

func (*Builder) Cmd 

func (b *Builder) Cmd() []string

Cmd returns the default command, or command parameters if an Entrypoint is set, to use when running a container built from an image built from this container.

func (*Builder) Comment 

func (b *Builder) Comment() string

Comment returns the comment which will be set in the container and in containers built using images buiilt from the container

func (*Builder) Commit 

func (b *Builder) Commit(ctx context.Context, dest types.ImageReference, options CommitOptions) error

Commit writes the contents of the container, along with its updated configuration, to a new image in the specified location, and if we know how, add any additional tags that were specified.

func (*Builder) CreatedBy 

func (b *Builder) CreatedBy() string

CreatedBy returns a description of how this image was built.

func (*Builder) Domainname 

func (b *Builder) Domainname() string

Domainname returns the domainname which will be set in the container and in containers built using images built from the container.

func (*Builder) Entrypoint 

func (b *Builder) Entrypoint() []string

Entrypoint returns the command to be run for containers built from images built from this container.

func (*Builder) Env 

func (b *Builder) Env() []string

Env returns a list of key-value pairs to be set when running commands in the container, or in a container built using an image built from this container.

func (*Builder) Hostname 

func (b *Builder) Hostname() string

Hostname returns the hostname which will be set in the container and in containers built using images built from the container.

func (*Builder) Labels 

func (b *Builder) Labels() map[string]string

Labels returns a set of key-value pairs from the image's runtime configuration.

func (*Builder) Maintainer 

func (b *Builder) Maintainer() string

Maintainer returns contact information for the person who built the image.

func (*Builder) OS 

func (b *Builder) OS() string

OS returns a name of the OS on which the container, or a container built using an image built from this container, is intended to be run.

func (*Builder) Ports 

func (b *Builder) Ports() []string

Ports returns the set of ports which should be exposed when a container based on an image built from this container is run.

func (*Builder) RemoveVolume 

func (b *Builder) RemoveVolume(v string)

RemoveVolume removes a location from the list of locations which should be mounted from outside of the container when a container based on an image built from this container is run.

func (*Builder) Save 

func (b *Builder) Save() error

Save saves the builder's current state to the build container's metadata. This should not need to be called directly, as other methods of the Builder object take care of saving their state.

func (*Builder) SetAnnotation 

func (b *Builder) SetAnnotation(key, value string)

SetAnnotation adds or overwrites a key's value from the image's manifest. Note: this setting is not present in the Docker v2 image format, so it is discarded when writing images using Docker v2 formats.

func (*Builder) SetArchitecture 

func (b *Builder) SetArchitecture(arch string)

SetArchitecture sets the name of the architecture on which the container, or a container built using an image built from this container, is intended to be run.

func (*Builder) SetCmd 

func (b *Builder) SetCmd(cmd []string)

SetCmd sets the default command, or command parameters if an Entrypoint is set, to use when running a container built from an image built from this container.

func (*Builder) SetComment 

func (b *Builder) SetComment(comment string)

SetComment sets the Comment which will be set in the container and in containers built using images built from the container.

func (*Builder) SetCreatedBy 

func (b *Builder) SetCreatedBy(how string)

SetCreatedBy sets the description of how this image was built.

func (*Builder) SetDefaultMountsFilePath 

func (b *Builder) SetDefaultMountsFilePath(path string)

SetDefaultMountsFilePath sets the mounts file path for testing purposes

func (*Builder) SetDomainname 

func (b *Builder) SetDomainname(name string)

SetDomainname sets the domainname which will be set in the container and in containers built using images built from the container. Note: this setting is not present in the OCIv1 image format, so it is discarded when writing images using OCIv1 formats.

func (*Builder) SetEntrypoint 

func (b *Builder) SetEntrypoint(ep []string)

SetEntrypoint sets the command to be run for in containers built from images built from this container.

func (*Builder) SetEnv 

func (b *Builder) SetEnv(k string, v string)

SetEnv adds or overwrites a value to the set of environment strings which should be set when running commands in the container, or in a container built using an image built from this container.

func (*Builder) SetHostname 

func (b *Builder) SetHostname(name string)

SetHostname sets the hostname which will be set in the container and in containers built using images built from the container. Note: this setting is not present in the OCIv1 image format, so it is discarded when writing images using OCIv1 formats.

func (*Builder) SetLabel 

func (b *Builder) SetLabel(k string, v string)

SetLabel adds or overwrites a key's value from the image's runtime configuration.

func (*Builder) SetMaintainer 

func (b *Builder) SetMaintainer(who string)

SetMaintainer sets contact information for the person who built the image.

func (*Builder) SetOS 

func (b *Builder) SetOS(os string)

SetOS sets the name of the OS on which the container, or a container built using an image built from this container, is intended to be run.

func (*Builder) SetPort 

func (b *Builder) SetPort(p string)

SetPort adds or overwrites an exported port in the set of ports which should be exposed when a container based on an image built from this container is run.

func (*Builder) SetShell 

func (b *Builder) SetShell(shell []string)

SetShell sets the default shell for running commands in the container, or in a container built using an image built from this container. Note: this setting is not present in the OCIv1 image format, so it is discarded when writing images using OCIv1 formats.

func (*Builder) SetStopSignal 

func (b *Builder) SetStopSignal(stopSignal string)

SetStopSignal sets the signal which will be set in the container and in containers built using images built from the container.

func (*Builder) SetUser 

func (b *Builder) SetUser(spec string)

SetUser sets information about the user as whom the container, or a container built using an image built from this container, should be run. Acceptable forms are a user name or ID, optionally followed by a colon and a group name or ID.

func (*Builder) SetWorkDir 

func (b *Builder) SetWorkDir(there string)

SetWorkDir sets the location of the default working directory for running commands in the container, or in a container built using an image built from this container.

func (*Builder) Shell 

func (b *Builder) Shell() []string

Shell returns the default shell for running commands in the container, or in a container built using an image built from this container.

func (*Builder) StopSignal 

func (b *Builder) StopSignal() string

StopSignal returns the signal which will be set in the container and in containers built using images buiilt from the container

func (*Builder) UnsetAnnotation 

func (b *Builder) UnsetAnnotation(key string)

UnsetAnnotation removes a key and its value from the image's manifest, if it's present.

func (*Builder) UnsetEnv 

func (b *Builder) UnsetEnv(k string)

UnsetEnv removes a value from the set of environment strings which should be set when running commands in this container, or in a container built using an image built from this container.

func (*Builder) UnsetLabel 

func (b *Builder) UnsetLabel(k string)

UnsetLabel removes a key and its value from the image's runtime configuration, if it's present.

func (*Builder) UnsetPort 

func (b *Builder) UnsetPort(p string)

UnsetPort removes an exposed port from the set of ports which should be exposed when a container based on an image built from this container is run.

func (*Builder) User 

func (b *Builder) User() string

User returns information about the user as whom the container, or a container built using an image built from this container, should be run.

func (*Builder) Volumes 

func (b *Builder) Volumes() []string

Volumes returns a list of filesystem locations which should be mounted from outside of the container when a container built from an image built from this container is run.

func (*Builder) WorkDir 

func (b *Builder) WorkDir() string

WorkDir returns the default working directory for running commands in the container, or in a container built using an image built from this container.

type CommitOptions 

type CommitOptions struct {
	// PreferredManifestType is the preferred type of image manifest.  The
	// image configuration format will be of a compatible type.
	PreferredManifestType string
	// Compression specifies the type of compression which is applied to
	// layer blobs.  The default is to not use compression, but
	// archive.Gzip is recommended.
	Compression archive.Compression
	// SignaturePolicyPath specifies an override location for the signature
	// policy which should be used for verifying the new image as it is
	// being written.  Except in specific circumstances, no value should be
	// specified, indicating that the shared, system-wide default policy
	// should be used.
	SignaturePolicyPath string
	// AdditionalTags is a list of additional names to add to the image, if
	// the transport to which we're writing the image gives us a way to add
	// them.
	AdditionalTags []string
	// ReportWriter is an io.Writer which will be used to log the writing
	// of the new image.
	ReportWriter io.Writer
	// HistoryTimestamp is the timestamp used when creating new items in the
	// image's history.  If unset, the current time will be used.
	HistoryTimestamp *time.Time
	// github.com/containers/image/types SystemContext to hold credentials
	// and other authentication/authorization information.
	SystemContext *types.SystemContext
}

CommitOptions can be used to alter how an image is committed.

type CommonBuildOptions 

type CommonBuildOptions struct {
	// AddHost is the list of hostnames to add to the resolv.conf
	AddHost []string
	//CgroupParent it the path to cgroups under which the cgroup for the container will be created.
	CgroupParent string
	//CPUPeriod limits the CPU CFS (Completely Fair Scheduler) period
	CPUPeriod uint64
	//CPUQuota limits the CPU CFS (Completely Fair Scheduler) quota
	CPUQuota int64
	//CPUShares (relative weight
	CPUShares uint64
	//CPUSetCPUs in which to allow execution (0-3, 0,1)
	CPUSetCPUs string
	//CPUSetMems memory nodes (MEMs) in which to allow execution (0-3, 0,1). Only effective on NUMA systems.
	CPUSetMems string
	//Memory limit
	Memory int64
	//MemorySwap limit value equal to memory plus swap.
	MemorySwap int64
	//SecruityOpts modify the way container security is running
	LabelOpts          []string
	SeccompProfilePath string
	ApparmorProfile    string
	//ShmSize is the shared memory size
	ShmSize string
	//Ulimit options
	Ulimit []string
	//Volumes to bind mount into the container
	Volumes []string
}

CommonBuildOptions are reseources that can be defined by flags for both buildah from and bud

type ImportOptions 

type ImportOptions struct {
	// Container is the name of the build container.
	Container string
	// SignaturePolicyPath specifies an override location for the signature
	// policy which should be used for verifying the new image as it is
	// being written.  Except in specific circumstances, no value should be
	// specified, indicating that the shared, system-wide default policy
	// should be used.
	SignaturePolicyPath string
}

ImportOptions are used to initialize a Builder from an existing container which was created elsewhere.

type PushOptions 

type PushOptions struct {
	// Compression specifies the type of compression which is applied to
	// layer blobs.  The default is to not use compression, but
	// archive.Gzip is recommended.
	Compression archive.Compression
	// SignaturePolicyPath specifies an override location for the signature
	// policy which should be used for verifying the new image as it is
	// being written.  Except in specific circumstances, no value should be
	// specified, indicating that the shared, system-wide default policy
	// should be used.
	SignaturePolicyPath string
	// ReportWriter is an io.Writer which will be used to log the writing
	// of the new image.
	ReportWriter io.Writer
	// Store is the local storage store which holds the source image.
	Store storage.Store
	// github.com/containers/image/types SystemContext to hold credentials
	// and other authentication/authorization information.
	SystemContext *types.SystemContext
	// ManifestType is the format to use when saving the imge using the 'dir' transport
	// possible options are oci, v2s1, and v2s2
	ManifestType string
}

PushOptions can be used to alter how an image is copied somewhere.

Source Files

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