step

package
v0.1.11 Latest Latest
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 Go to latest Published: May 21, 2019 License: Apache-2.0 Imports: 28 Imported by: 1

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Constants

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const (
	Add         = Directive("ADD")
	Arg         = Directive("ARG")
	Cmd         = Directive("CMD")
	Copy        = Directive("COPY")
	Entrypoint  = Directive("ENTRYPOINT")
	Env         = Directive("ENV")
	Expose      = Directive("EXPOSE")
	From        = Directive("FROM")
	Healthcheck = Directive("HEALTHCHECK")
	Label       = Directive("LABEL")
	Maintainer  = Directive("MAINTAINER")
	Run         = Directive("RUN")
	Stopsignal  = Directive("STOPSIGNAL")
	User        = Directive("USER")
	Volume      = Directive("VOLUME")
	Workdir     = Directive("WORKDIR")
)

Set of all valid directives.

Variables

This section is empty.

Functions

This section is empty.

Types

type AddStep 

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

AddStep is similar to copy, so they depend on a common base.

func AddStepFixture 

func AddStepFixture(args string, srcs []string, dst string, commit bool) *AddStep

AddStepFixture returns a AddStep, panicing if it fails, for testing purposes.

func AddStepFixtureNoChown 

func AddStepFixtureNoChown(args string, srcs []string, dst string, commit bool) *AddStep

AddStepFixtureNoChown returns a AddStep, panicing if it fails, for testing purposes.

func NewAddStep 

func NewAddStep(args, chown string, fromPaths []string, toPath string, commit bool) (*AddStep, error)

NewAddStep creates a new AddStep

func (AddStep) ContextDirs 

func (s AddStep) ContextDirs() (string, []string)

ContextDirs returns the stage and directories that a 'COPY --from=<stage>' depends on.

func (AddStep) Execute 

func (s AddStep) Execute(ctx *context.BuildContext, modifyFS bool) (err error)

Execute executes the add/copy step. If modifyFS is true, actually performs the on-disk copy.

func (AddStep) RequireOnDisk 

func (s AddStep) RequireOnDisk() bool

RequireOnDisk returns true if the add/copy has a chown argument, as we need to read the users file to translate user/group name to uid/gid.

func (AddStep) SetCacheID 

func (s AddStep) SetCacheID(ctx *context.BuildContext, seed string) error

SetCacheID sets the cache ID of the step given a seed SHA256 value. Calculates the ID randomly if copying from another stage, else checksums the file contents.

type ArgStep added in v0.1.2 

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

ArgStep implements BuildStep and execute ARG directive

func (ArgStep) ApplyCtxAndConfig added in v0.1.2 

func (s ArgStep) ApplyCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) error

ApplyCtxAndConfig sets up the execution environment from build context and image config. This function will not be skipped.

func (ArgStep) CacheID added in v0.1.2 

func (s ArgStep) CacheID() string

CacheID returns the cache ID of the step.

func (ArgStep) Commit added in v0.1.2 

func (s ArgStep) Commit(ctx *context.BuildContext) ([]*image.DigestPair, error)

Commit generates an image layer.

func (ArgStep) ContextDirs added in v0.1.2 

func (s ArgStep) ContextDirs() (string, []string)

ContextDirs returns directories that this step requires from another stage.

func (ArgStep) Execute added in v0.1.2 

func (s ArgStep) Execute(ctx *context.BuildContext, modifyFS bool) error

Execute executes the step. If modifyFS is true, the command might change the local file system. Default implementation is noop.

func (ArgStep) HasCommit added in v0.1.2 

func (s ArgStep) HasCommit() bool

HasCommit returns whether or not a particular commit step has a commit annotation.

func (ArgStep) RequireOnDisk added in v0.1.2 

func (s ArgStep) RequireOnDisk() bool

func (ArgStep) SetCacheID added in v0.1.2 

func (s ArgStep) SetCacheID(ctx *context.BuildContext, seed string) error

SetCacheID sets the cache ID of the step given a seed SHA256 value. Special steps like FROM, ADD, COPY have their own implementations.

func (ArgStep) SetEnvFromContext added in v0.1.11 

func (s ArgStep) SetEnvFromContext(
	ctx *context.BuildContext) error

SetEnvFromContext set environment variables from previous stages Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (ArgStep) SetWorkingDir added in v0.1.11 

func (s ArgStep) SetWorkingDir(
	ctx *context.BuildContext, imageConfig *image.Config) error

SetWorkingDir set the working dir of the current step Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (ArgStep) String added in v0.1.2 

func (s ArgStep) String() string

String returns the string representation of this step.

func (*ArgStep) UpdateCtxAndConfig added in v0.1.2 

func (s *ArgStep) UpdateCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) (*image.Config, error)

UpdateCtxAndConfig updates mutable states in build context, and generates a new image config base on config from previous step.

type BuildStep 

type BuildStep interface {
	String() string

	// RequireOnDisk returns whether executing this step requires on-disk state.
	RequireOnDisk() bool

	// ContextDirs returns directories that this step requires from another stage.
	ContextDirs() (string, []string)

	// CacheID returns the step's cache id after it is set using SetCacheID().
	CacheID() string

	// SetCacheID sets the cache ID of the step given a seed value.
	SetCacheID(ctx *context.BuildContext, seed string) error

	// ApplyCtxAndConfig sets up the execution environment using image config
	// from previous step.
	// This function will not be skipped.
	ApplyCtxAndConfig(ctx *context.BuildContext, imageConfig *image.Config) error

	// Execute executes the step. If modifyFS is true, the command might change
	// the local file system.
	Execute(ctx *context.BuildContext, modifyFS bool) error

	// Commit generates an image layer.
	Commit(ctx *context.BuildContext) ([]*image.DigestPair, error)

	// UpdateCtxAndConfig generates a new image config base on config from
	// previous step.
	// This function will not be skipped.
	UpdateCtxAndConfig(ctx *context.BuildContext, imageConfig *image.Config) (*image.Config, error)

	// HasCommit returns whether or not a particular commit step has a commit
	// annotation.
	HasCommit() bool
}

BuildStep performs build for one build step.

func NewArgStep added in v0.1.2 

func NewArgStep(args string, name string, resolvedVal *string, commit bool) BuildStep

NewArgStep returns a BuildStep from given arguments.

func NewCmdStep 

func NewCmdStep(args string, cmd []string, commit bool) BuildStep

NewCmdStep returns a BuildStep given ParsedLine.

func NewDockerfileStep 

func NewDockerfileStep(
	ctx *context.BuildContext, d dockerfile.Directive, seed string) (BuildStep, error)

NewDockerfileStep initializes a build step from a dockerfile directive.

func NewEntrypointStep 

func NewEntrypointStep(args string, entrypoint []string, commit bool) BuildStep

NewEntrypointStep returns a BuildStep from given arguments.

func NewEnvStep 

func NewEnvStep(args string, envs map[string]string, commit bool) BuildStep

NewEnvStep returns a BuildStep from given arguments.

func NewExposeStep 

func NewExposeStep(args string, ports []string, commit bool) BuildStep

NewExposeStep returns a BuildStep from given arguments.

func NewHealthcheckStep added in v0.1.3 

func NewHealthcheckStep(
	args string, interval, timeout, startPeriod time.Duration, retries int,
	test []string, commit bool) (BuildStep, error)

NewHealthcheckStep returns a BuildStep from given arguments.

func NewLabelStep 

func NewLabelStep(args string, labels map[string]string, commit bool) BuildStep

NewLabelStep returns a BuildStep from given arguments.

func NewMaintainerStep 

func NewMaintainerStep(args string, author string, commit bool) BuildStep

NewMaintainerStep returns a BuildStep from given arguments.

func NewStopsignalStep added in v0.1.1 

func NewStopsignalStep(args string, signal int, commit bool) BuildStep

NewStopsignalStep returns a BuildStep from given arguments.

func NewUserStep 

func NewUserStep(args, user string, commit bool) BuildStep

NewUserStep returns a BuildStep from given arguments.

func NewVolumeStep 

func NewVolumeStep(args string, volumes []string, commit bool) BuildStep

NewVolumeStep returns a BuildStep from given arguments.

func NewWorkdirStep 

func NewWorkdirStep(args string, workingDir string, commit bool) BuildStep

NewWorkdirStep returns a BuildStep from given arguments.

type CmdStep 

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

CmdStep implements BuildStep and execute CMD directive There are three forms of command: CMD ["executable","param1","param2"] -> CmdStep.cmds = []string{`["executable","param1","param2"]`} CMD ["param1","param2"] -> CmdStep.cmds = []string{`["param1","param2"]`} CMD command param1 param2 -> CmdStep.cmds = []string{"command", "param1", "param2"}

func (CmdStep) ApplyCtxAndConfig added in v0.1.2 

func (s CmdStep) ApplyCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) error

ApplyCtxAndConfig sets up the execution environment from build context and image config. This function will not be skipped.

func (CmdStep) CacheID 

func (s CmdStep) CacheID() string

CacheID returns the cache ID of the step.

func (CmdStep) Commit 

func (s CmdStep) Commit(ctx *context.BuildContext) ([]*image.DigestPair, error)

Commit generates an image layer.

func (CmdStep) ContextDirs 

func (s CmdStep) ContextDirs() (string, []string)

ContextDirs returns directories that this step requires from another stage.

func (CmdStep) Execute 

func (s CmdStep) Execute(ctx *context.BuildContext, modifyFS bool) error

Execute executes the step. If modifyFS is true, the command might change the local file system. Default implementation is noop.

func (CmdStep) HasCommit 

func (s CmdStep) HasCommit() bool

HasCommit returns whether or not a particular commit step has a commit annotation.

func (CmdStep) RequireOnDisk 

func (s CmdStep) RequireOnDisk() bool

func (CmdStep) SetCacheID 

func (s CmdStep) SetCacheID(ctx *context.BuildContext, seed string) error

SetCacheID sets the cache ID of the step given a seed SHA256 value. Special steps like FROM, ADD, COPY have their own implementations.

func (CmdStep) SetEnvFromContext added in v0.1.11 

func (s CmdStep) SetEnvFromContext(
	ctx *context.BuildContext) error

SetEnvFromContext set environment variables from previous stages Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (CmdStep) SetWorkingDir added in v0.1.11 

func (s CmdStep) SetWorkingDir(
	ctx *context.BuildContext, imageConfig *image.Config) error

SetWorkingDir set the working dir of the current step Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (CmdStep) String 

func (s CmdStep) String() string

String returns the string representation of this step.

func (*CmdStep) UpdateCtxAndConfig added in v0.1.2 

func (s *CmdStep) UpdateCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) (*image.Config, error)

UpdateCtxAndConfig updates mutable states in build context, and generates a new image config base on config from previous step.

type CopyStep 

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

CopyStep is similar to add, so they depend on a common base.

func CopyStepFixture 

func CopyStepFixture(args, fromStage string, srcs []string, dst string, commit bool) *CopyStep

CopyStepFixture returns a CopyStep, panicing if it fails, for testing purposes.

func CopyStepFixtureNoChown 

func CopyStepFixtureNoChown(args, fromStage string, srcs []string, dst string, commit bool) *CopyStep

CopyStepFixtureNoChown returns a CopyStep, panicing if it fails, for testing purposes.

func NewCopyStep 

func NewCopyStep(
	args, chown, fromStage string, fromPaths []string, toPath string, commit bool,
) (*CopyStep, error)

NewCopyStep creates a new CopyStep.

func (CopyStep) ContextDirs 

func (s CopyStep) ContextDirs() (string, []string)

ContextDirs returns the stage and directories that a 'COPY --from=<stage>' depends on.

func (CopyStep) Execute 

func (s CopyStep) Execute(ctx *context.BuildContext, modifyFS bool) (err error)

Execute executes the add/copy step. If modifyFS is true, actually performs the on-disk copy.

func (CopyStep) RequireOnDisk 

func (s CopyStep) RequireOnDisk() bool

RequireOnDisk returns true if the add/copy has a chown argument, as we need to read the users file to translate user/group name to uid/gid.

func (CopyStep) SetCacheID 

func (s CopyStep) SetCacheID(ctx *context.BuildContext, seed string) error

SetCacheID sets the cache ID of the step given a seed SHA256 value. Calculates the ID randomly if copying from another stage, else checksums the file contents.

type Directive 

type Directive string

Directive represents a valid directive type.

type EntrypointStep 

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

EntrypointStep implements BuildStep and execute ENTRYPOINT directive There are three forms of command: ENTRYPOINT ["executable","param1","param2"] -> EntrypointStep.entrypoint = []string{`["executable","param1","param2"]`} ENTRYPOINT ["param1","param2"] -> EntrypointStep.entrypoint = []string{`["param1","param2"]`} ENTRYPOINT command param1 param2 -> EntrypointStep.entrypoint = []string{"command", "param1", "param2"}

func (EntrypointStep) ApplyCtxAndConfig added in v0.1.2 

func (s EntrypointStep) ApplyCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) error

ApplyCtxAndConfig sets up the execution environment from build context and image config. This function will not be skipped.

func (EntrypointStep) CacheID 

func (s EntrypointStep) CacheID() string

CacheID returns the cache ID of the step.

func (EntrypointStep) Commit 

func (s EntrypointStep) Commit(ctx *context.BuildContext) ([]*image.DigestPair, error)

Commit generates an image layer.

func (EntrypointStep) ContextDirs 

func (s EntrypointStep) ContextDirs() (string, []string)

ContextDirs returns directories that this step requires from another stage.

func (EntrypointStep) Execute 

func (s EntrypointStep) Execute(ctx *context.BuildContext, modifyFS bool) error

Execute executes the step. If modifyFS is true, the command might change the local file system. Default implementation is noop.

func (EntrypointStep) HasCommit 

func (s EntrypointStep) HasCommit() bool

HasCommit returns whether or not a particular commit step has a commit annotation.

func (EntrypointStep) RequireOnDisk 

func (s EntrypointStep) RequireOnDisk() bool

func (EntrypointStep) SetCacheID 

func (s EntrypointStep) SetCacheID(ctx *context.BuildContext, seed string) error

SetCacheID sets the cache ID of the step given a seed SHA256 value. Special steps like FROM, ADD, COPY have their own implementations.

func (EntrypointStep) SetEnvFromContext added in v0.1.11 

func (s EntrypointStep) SetEnvFromContext(
	ctx *context.BuildContext) error

SetEnvFromContext set environment variables from previous stages Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (EntrypointStep) SetWorkingDir added in v0.1.11 

func (s EntrypointStep) SetWorkingDir(
	ctx *context.BuildContext, imageConfig *image.Config) error

SetWorkingDir set the working dir of the current step Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (EntrypointStep) String 

func (s EntrypointStep) String() string

String returns the string representation of this step.

func (*EntrypointStep) UpdateCtxAndConfig added in v0.1.2 

func (s *EntrypointStep) UpdateCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) (*image.Config, error)

UpdateCtxAndConfig updates mutable states in build context, and generates a new image config base on config from previous step.

type EnvStep 

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

EnvStep implements BuildStep and execute ENV directive

func (EnvStep) ApplyCtxAndConfig added in v0.1.2 

func (s EnvStep) ApplyCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) error

ApplyCtxAndConfig sets up the execution environment from build context and image config. This function will not be skipped.

func (EnvStep) CacheID 

func (s EnvStep) CacheID() string

CacheID returns the cache ID of the step.

func (EnvStep) Commit 

func (s EnvStep) Commit(ctx *context.BuildContext) ([]*image.DigestPair, error)

Commit generates an image layer.

func (EnvStep) ContextDirs 

func (s EnvStep) ContextDirs() (string, []string)

ContextDirs returns directories that this step requires from another stage.

func (EnvStep) Execute 

func (s EnvStep) Execute(ctx *context.BuildContext, modifyFS bool) error

Execute executes the step. If modifyFS is true, the command might change the local file system. Default implementation is noop.

func (EnvStep) HasCommit 

func (s EnvStep) HasCommit() bool

HasCommit returns whether or not a particular commit step has a commit annotation.

func (EnvStep) RequireOnDisk 

func (s EnvStep) RequireOnDisk() bool

func (EnvStep) SetCacheID 

func (s EnvStep) SetCacheID(ctx *context.BuildContext, seed string) error

SetCacheID sets the cache ID of the step given a seed SHA256 value. Special steps like FROM, ADD, COPY have their own implementations.

func (EnvStep) SetEnvFromContext added in v0.1.11 

func (s EnvStep) SetEnvFromContext(
	ctx *context.BuildContext) error

SetEnvFromContext set environment variables from previous stages Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (EnvStep) SetWorkingDir added in v0.1.11 

func (s EnvStep) SetWorkingDir(
	ctx *context.BuildContext, imageConfig *image.Config) error

SetWorkingDir set the working dir of the current step Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (EnvStep) String 

func (s EnvStep) String() string

String returns the string representation of this step.

func (*EnvStep) UpdateCtxAndConfig added in v0.1.2 

func (s *EnvStep) UpdateCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) (*image.Config, error)

UpdateCtxAndConfig updates mutable states in build context, and generates a new image config base on config from previous step.

type ExposeStep 

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

ExposeStep implements BuildStep and execute EXPOSE directive

func (ExposeStep) ApplyCtxAndConfig added in v0.1.2 

func (s ExposeStep) ApplyCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) error

ApplyCtxAndConfig sets up the execution environment from build context and image config. This function will not be skipped.

func (ExposeStep) CacheID 

func (s ExposeStep) CacheID() string

CacheID returns the cache ID of the step.

func (ExposeStep) Commit 

func (s ExposeStep) Commit(ctx *context.BuildContext) ([]*image.DigestPair, error)

Commit generates an image layer.

func (ExposeStep) ContextDirs 

func (s ExposeStep) ContextDirs() (string, []string)

ContextDirs returns directories that this step requires from another stage.

func (ExposeStep) Execute 

func (s ExposeStep) Execute(ctx *context.BuildContext, modifyFS bool) error

Execute executes the step. If modifyFS is true, the command might change the local file system. Default implementation is noop.

func (ExposeStep) HasCommit 

func (s ExposeStep) HasCommit() bool

HasCommit returns whether or not a particular commit step has a commit annotation.

func (ExposeStep) RequireOnDisk 

func (s ExposeStep) RequireOnDisk() bool

func (ExposeStep) SetCacheID 

func (s ExposeStep) SetCacheID(ctx *context.BuildContext, seed string) error

SetCacheID sets the cache ID of the step given a seed SHA256 value. Special steps like FROM, ADD, COPY have their own implementations.

func (ExposeStep) SetEnvFromContext added in v0.1.11 

func (s ExposeStep) SetEnvFromContext(
	ctx *context.BuildContext) error

SetEnvFromContext set environment variables from previous stages Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (ExposeStep) SetWorkingDir added in v0.1.11 

func (s ExposeStep) SetWorkingDir(
	ctx *context.BuildContext, imageConfig *image.Config) error

SetWorkingDir set the working dir of the current step Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (ExposeStep) String 

func (s ExposeStep) String() string

String returns the string representation of this step.

func (*ExposeStep) UpdateCtxAndConfig added in v0.1.2 

func (s *ExposeStep) UpdateCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) (*image.Config, error)

UpdateCtxAndConfig updates mutable states in build context, and generates a new image config base on config from previous step.

type FromStep 

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

FromStep implements BuildStep and execute FROM directive

func FromStepFixture 

func FromStepFixture(args, image, alias string) *FromStep

FromStepFixture returns a FromStep, panicing if it fails, for testing purposes.

func NewFromStep 

func NewFromStep(args, imageName, alias string) (*FromStep, error)

NewFromStep returns a BuildStep from given arguments.

func (FromStep) ApplyCtxAndConfig added in v0.1.2 

func (s FromStep) ApplyCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) error

ApplyCtxAndConfig sets up the execution environment from build context and image config. This function will not be skipped.

func (FromStep) CacheID 

func (s FromStep) CacheID() string

CacheID returns the cache ID of the step.

func (*FromStep) Commit 

func (s *FromStep) Commit(ctx *context.BuildContext) ([]*image.DigestPair, error)

Commit generates an image layer.

func (FromStep) ContextDirs 

func (s FromStep) ContextDirs() (string, []string)

ContextDirs returns directories that this step requires from another stage.

func (*FromStep) Execute 

func (s *FromStep) Execute(ctx *context.BuildContext, modifyFS bool) error

Execute updates the memFS with the FROM image. If modifyFS is true, also unpacks it to the local filesystem.

func (*FromStep) GetAlias 

func (s *FromStep) GetAlias() string

GetAlias returns stage alias defined in From step.

func (*FromStep) GetImage 

func (s *FromStep) GetImage() string

GetImage returns the image name in From step.

func (FromStep) HasCommit 

func (s FromStep) HasCommit() bool

HasCommit returns whether or not a particular commit step has a commit annotation.

func (FromStep) RequireOnDisk 

func (s FromStep) RequireOnDisk() bool

func (*FromStep) SetCacheID 

func (s *FromStep) SetCacheID(ctx *context.BuildContext, seed string) error

SetCacheID sets the cacheID of the step using the name of the base image. TODO: Use the sha of that image instead of the image name itself.

func (FromStep) SetEnvFromContext added in v0.1.11 

func (s FromStep) SetEnvFromContext(
	ctx *context.BuildContext) error

SetEnvFromContext set environment variables from previous stages Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (FromStep) SetWorkingDir added in v0.1.11 

func (s FromStep) SetWorkingDir(
	ctx *context.BuildContext, imageConfig *image.Config) error

SetWorkingDir set the working dir of the current step Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (FromStep) String 

func (s FromStep) String() string

String returns the string representation of this step.

func (*FromStep) UpdateCtxAndConfig added in v0.1.2 

func (s *FromStep) UpdateCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) (*image.Config, error)

UpdateCtxAndConfig updates mutable states in build context, and generates a new image config base on config from previous step.

type HealthcheckStep added in v0.1.3 

type HealthcheckStep struct {
	Interval    time.Duration
	Timeout     time.Duration
	StartPeriod time.Duration
	Retries     int

	Test []string
	// contains filtered or unexported fields
}

HealthcheckStep implements BuildStep and execute HEALTHCHECK directive

func (HealthcheckStep) ApplyCtxAndConfig added in v0.1.3 

func (s HealthcheckStep) ApplyCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) error

ApplyCtxAndConfig sets up the execution environment from build context and image config. This function will not be skipped.

func (HealthcheckStep) CacheID added in v0.1.3 

func (s HealthcheckStep) CacheID() string

CacheID returns the cache ID of the step.

func (HealthcheckStep) Commit added in v0.1.3 

func (s HealthcheckStep) Commit(ctx *context.BuildContext) ([]*image.DigestPair, error)

Commit generates an image layer.

func (HealthcheckStep) ContextDirs added in v0.1.3 

func (s HealthcheckStep) ContextDirs() (string, []string)

ContextDirs returns directories that this step requires from another stage.

func (HealthcheckStep) Execute added in v0.1.3 

func (s HealthcheckStep) Execute(ctx *context.BuildContext, modifyFS bool) error

Execute executes the step. If modifyFS is true, the command might change the local file system. Default implementation is noop.

func (HealthcheckStep) HasCommit added in v0.1.3 

func (s HealthcheckStep) HasCommit() bool

HasCommit returns whether or not a particular commit step has a commit annotation.

func (HealthcheckStep) RequireOnDisk added in v0.1.3 

func (s HealthcheckStep) RequireOnDisk() bool

func (HealthcheckStep) SetCacheID added in v0.1.3 

func (s HealthcheckStep) SetCacheID(ctx *context.BuildContext, seed string) error

SetCacheID sets the cache ID of the step given a seed SHA256 value. Special steps like FROM, ADD, COPY have their own implementations.

func (HealthcheckStep) SetEnvFromContext added in v0.1.11 

func (s HealthcheckStep) SetEnvFromContext(
	ctx *context.BuildContext) error

SetEnvFromContext set environment variables from previous stages Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (HealthcheckStep) SetWorkingDir added in v0.1.11 

func (s HealthcheckStep) SetWorkingDir(
	ctx *context.BuildContext, imageConfig *image.Config) error

SetWorkingDir set the working dir of the current step Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (HealthcheckStep) String added in v0.1.3 

func (s HealthcheckStep) String() string

String returns the string representation of this step.

func (*HealthcheckStep) UpdateCtxAndConfig added in v0.1.3 

func (s *HealthcheckStep) UpdateCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) (*image.Config, error)

UpdateCtxAndConfig updates mutable states in build context, and generates a new image config base on config from previous step.

type LabelStep 

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

LabelStep implements BuildStep and execute LABEL directive

func (LabelStep) ApplyCtxAndConfig added in v0.1.2 

func (s LabelStep) ApplyCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) error

ApplyCtxAndConfig sets up the execution environment from build context and image config. This function will not be skipped.

func (LabelStep) CacheID 

func (s LabelStep) CacheID() string

CacheID returns the cache ID of the step.

func (LabelStep) Commit 

func (s LabelStep) Commit(ctx *context.BuildContext) ([]*image.DigestPair, error)

Commit generates an image layer.

func (LabelStep) ContextDirs 

func (s LabelStep) ContextDirs() (string, []string)

ContextDirs returns directories that this step requires from another stage.

func (LabelStep) Execute 

func (s LabelStep) Execute(ctx *context.BuildContext, modifyFS bool) error

Execute executes the step. If modifyFS is true, the command might change the local file system. Default implementation is noop.

func (LabelStep) HasCommit 

func (s LabelStep) HasCommit() bool

HasCommit returns whether or not a particular commit step has a commit annotation.

func (LabelStep) RequireOnDisk 

func (s LabelStep) RequireOnDisk() bool

func (LabelStep) SetCacheID 

func (s LabelStep) SetCacheID(ctx *context.BuildContext, seed string) error

SetCacheID sets the cache ID of the step given a seed SHA256 value. Special steps like FROM, ADD, COPY have their own implementations.

func (LabelStep) SetEnvFromContext added in v0.1.11 

func (s LabelStep) SetEnvFromContext(
	ctx *context.BuildContext) error

SetEnvFromContext set environment variables from previous stages Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (LabelStep) SetWorkingDir added in v0.1.11 

func (s LabelStep) SetWorkingDir(
	ctx *context.BuildContext, imageConfig *image.Config) error

SetWorkingDir set the working dir of the current step Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (LabelStep) String 

func (s LabelStep) String() string

String returns the string representation of this step.

func (*LabelStep) UpdateCtxAndConfig added in v0.1.2 

func (s *LabelStep) UpdateCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) (*image.Config, error)

UpdateCtxAndConfig updates mutable states in build context, and generates a new image config base on config from previous step.

type MaintainerStep 

type MaintainerStep struct {
	Author string
	// contains filtered or unexported fields
}

MaintainerStep implements BuildStep and execute MAINTAINER directive

func (MaintainerStep) ApplyCtxAndConfig added in v0.1.2 

func (s MaintainerStep) ApplyCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) error

ApplyCtxAndConfig sets up the execution environment from build context and image config. This function will not be skipped.

func (MaintainerStep) CacheID 

func (s MaintainerStep) CacheID() string

CacheID returns the cache ID of the step.

func (MaintainerStep) Commit 

func (s MaintainerStep) Commit(ctx *context.BuildContext) ([]*image.DigestPair, error)

Commit generates an image layer.

func (MaintainerStep) ContextDirs 

func (s MaintainerStep) ContextDirs() (string, []string)

ContextDirs returns directories that this step requires from another stage.

func (MaintainerStep) Execute 

func (s MaintainerStep) Execute(ctx *context.BuildContext, modifyFS bool) error

Execute executes the step. If modifyFS is true, the command might change the local file system. Default implementation is noop.

func (MaintainerStep) HasCommit 

func (s MaintainerStep) HasCommit() bool

HasCommit returns whether or not a particular commit step has a commit annotation.

func (MaintainerStep) RequireOnDisk 

func (s MaintainerStep) RequireOnDisk() bool

func (MaintainerStep) SetCacheID 

func (s MaintainerStep) SetCacheID(ctx *context.BuildContext, seed string) error

SetCacheID sets the cache ID of the step given a seed SHA256 value. Special steps like FROM, ADD, COPY have their own implementations.

func (MaintainerStep) SetEnvFromContext added in v0.1.11 

func (s MaintainerStep) SetEnvFromContext(
	ctx *context.BuildContext) error

SetEnvFromContext set environment variables from previous stages Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (MaintainerStep) SetWorkingDir added in v0.1.11 

func (s MaintainerStep) SetWorkingDir(
	ctx *context.BuildContext, imageConfig *image.Config) error

SetWorkingDir set the working dir of the current step Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (MaintainerStep) String 

func (s MaintainerStep) String() string

String returns the string representation of this step.

func (*MaintainerStep) UpdateCtxAndConfig added in v0.1.2 

func (s *MaintainerStep) UpdateCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) (*image.Config, error)

UpdateCtxAndConfig updates mutable states in build context, and generates a new image config base on config from previous step.

type RunStep 

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

RunStep implements BuildStep and execute RUN directive

func NewRunStep 

func NewRunStep(args, cmd string, commit bool) *RunStep

NewRunStep returns a BuildStep from given arguments.

func (*RunStep) ApplyCtxAndConfig added in v0.1.2 

func (s *RunStep) ApplyCtxAndConfig(ctx *context.BuildContext, imageConfig *image.Config) error

ApplyCtxAndConfig setup the user that should be used to run the command See ./user_step.go to see how it's set in image.Config

func (RunStep) CacheID 

func (s RunStep) CacheID() string

CacheID returns the cache ID of the step.

func (RunStep) Commit 

func (s RunStep) Commit(ctx *context.BuildContext) ([]*image.DigestPair, error)

Commit generates an image layer.

func (RunStep) ContextDirs 

func (s RunStep) ContextDirs() (string, []string)

ContextDirs returns directories that this step requires from another stage.

func (*RunStep) Execute 

func (s *RunStep) Execute(ctx *context.BuildContext, modifyFS bool) error

Execute executes the step. It shells out to run the specified command, which might change local file system.

func (RunStep) HasCommit 

func (s RunStep) HasCommit() bool

HasCommit returns whether or not a particular commit step has a commit annotation.

func (*RunStep) RequireOnDisk 

func (s *RunStep) RequireOnDisk() bool

RequireOnDisk always returns true, as run steps always require the stage's layers to be present on disk.

func (RunStep) SetCacheID 

func (s RunStep) SetCacheID(ctx *context.BuildContext, seed string) error

SetCacheID sets the cache ID of the step given a seed SHA256 value. Special steps like FROM, ADD, COPY have their own implementations.

func (RunStep) SetEnvFromContext added in v0.1.11 

func (s RunStep) SetEnvFromContext(
	ctx *context.BuildContext) error

SetEnvFromContext set environment variables from previous stages Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (RunStep) SetWorkingDir added in v0.1.11 

func (s RunStep) SetWorkingDir(
	ctx *context.BuildContext, imageConfig *image.Config) error

SetWorkingDir set the working dir of the current step Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (RunStep) String 

func (s RunStep) String() string

String returns the string representation of this step.

func (RunStep) UpdateCtxAndConfig added in v0.1.2 

func (s RunStep) UpdateCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) (*image.Config, error)

UpdateCtxAndConfig updates mutable states in build context, and generates a new image config base on config from previous step. Default implementation makes a copy of given image config.

type StopsignalStep added in v0.1.1 

type StopsignalStep struct {
	Signal int
	// contains filtered or unexported fields
}

StopsignalStep implements BuildStep and execute STOPSIGNAL directive.

func (StopsignalStep) ApplyCtxAndConfig added in v0.1.2 

func (s StopsignalStep) ApplyCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) error

ApplyCtxAndConfig sets up the execution environment from build context and image config. This function will not be skipped.

func (StopsignalStep) CacheID added in v0.1.1 

func (s StopsignalStep) CacheID() string

CacheID returns the cache ID of the step.

func (StopsignalStep) Commit added in v0.1.1 

func (s StopsignalStep) Commit(ctx *context.BuildContext) ([]*image.DigestPair, error)

Commit generates an image layer.

func (StopsignalStep) ContextDirs added in v0.1.1 

func (s StopsignalStep) ContextDirs() (string, []string)

ContextDirs returns directories that this step requires from another stage.

func (StopsignalStep) Execute added in v0.1.1 

func (s StopsignalStep) Execute(ctx *context.BuildContext, modifyFS bool) error

Execute executes the step. If modifyFS is true, the command might change the local file system. Default implementation is noop.

func (StopsignalStep) HasCommit added in v0.1.1 

func (s StopsignalStep) HasCommit() bool

HasCommit returns whether or not a particular commit step has a commit annotation.

func (StopsignalStep) RequireOnDisk added in v0.1.1 

func (s StopsignalStep) RequireOnDisk() bool

func (StopsignalStep) SetCacheID added in v0.1.1 

func (s StopsignalStep) SetCacheID(ctx *context.BuildContext, seed string) error

SetCacheID sets the cache ID of the step given a seed SHA256 value. Special steps like FROM, ADD, COPY have their own implementations.

func (StopsignalStep) SetEnvFromContext added in v0.1.11 

func (s StopsignalStep) SetEnvFromContext(
	ctx *context.BuildContext) error

SetEnvFromContext set environment variables from previous stages Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (StopsignalStep) SetWorkingDir added in v0.1.11 

func (s StopsignalStep) SetWorkingDir(
	ctx *context.BuildContext, imageConfig *image.Config) error

SetWorkingDir set the working dir of the current step Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (StopsignalStep) String added in v0.1.1 

func (s StopsignalStep) String() string

String returns the string representation of this step.

func (*StopsignalStep) UpdateCtxAndConfig added in v0.1.2 

func (s *StopsignalStep) UpdateCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) (*image.Config, error)

UpdateCtxAndConfig updates mutable states in build context, and generates a new image config base on config from previous step.

type UserStep 

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

UserStep implements BuildStep and execute USER directive

func (UserStep) ApplyCtxAndConfig added in v0.1.2 

func (s UserStep) ApplyCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) error

ApplyCtxAndConfig sets up the execution environment from build context and image config. This function will not be skipped.

func (UserStep) CacheID 

func (s UserStep) CacheID() string

CacheID returns the cache ID of the step.

func (UserStep) Commit 

func (s UserStep) Commit(ctx *context.BuildContext) ([]*image.DigestPair, error)

Commit generates an image layer.

func (UserStep) ContextDirs 

func (s UserStep) ContextDirs() (string, []string)

ContextDirs returns directories that this step requires from another stage.

func (UserStep) Execute 

func (s UserStep) Execute(ctx *context.BuildContext, modifyFS bool) error

Execute executes the step. If modifyFS is true, the command might change the local file system. Default implementation is noop.

func (UserStep) HasCommit 

func (s UserStep) HasCommit() bool

HasCommit returns whether or not a particular commit step has a commit annotation.

func (UserStep) RequireOnDisk 

func (s UserStep) RequireOnDisk() bool

func (UserStep) SetCacheID 

func (s UserStep) SetCacheID(ctx *context.BuildContext, seed string) error

SetCacheID sets the cache ID of the step given a seed SHA256 value. Special steps like FROM, ADD, COPY have their own implementations.

func (UserStep) SetEnvFromContext added in v0.1.11 

func (s UserStep) SetEnvFromContext(
	ctx *context.BuildContext) error

SetEnvFromContext set environment variables from previous stages Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (UserStep) SetWorkingDir added in v0.1.11 

func (s UserStep) SetWorkingDir(
	ctx *context.BuildContext, imageConfig *image.Config) error

SetWorkingDir set the working dir of the current step Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (UserStep) String 

func (s UserStep) String() string

String returns the string representation of this step.

func (*UserStep) UpdateCtxAndConfig added in v0.1.2 

func (s *UserStep) UpdateCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) (*image.Config, error)

UpdateCtxAndConfig updates mutable states in build context, and generates a new image config base on config from previous step.

type VolumeStep 

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

VolumeStep implements BuildStep and execute VOLUME directive

func (VolumeStep) ApplyCtxAndConfig added in v0.1.2 

func (s VolumeStep) ApplyCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) error

ApplyCtxAndConfig sets up the execution environment from build context and image config. This function will not be skipped.

func (VolumeStep) CacheID 

func (s VolumeStep) CacheID() string

CacheID returns the cache ID of the step.

func (VolumeStep) Commit 

func (s VolumeStep) Commit(ctx *context.BuildContext) ([]*image.DigestPair, error)

Commit generates an image layer.

func (VolumeStep) ContextDirs 

func (s VolumeStep) ContextDirs() (string, []string)

ContextDirs returns directories that this step requires from another stage.

func (VolumeStep) Execute 

func (s VolumeStep) Execute(ctx *context.BuildContext, modifyFS bool) error

Execute executes the step. If modifyFS is true, the command might change the local file system. Default implementation is noop.

func (VolumeStep) HasCommit 

func (s VolumeStep) HasCommit() bool

HasCommit returns whether or not a particular commit step has a commit annotation.

func (VolumeStep) RequireOnDisk 

func (s VolumeStep) RequireOnDisk() bool

func (VolumeStep) SetCacheID 

func (s VolumeStep) SetCacheID(ctx *context.BuildContext, seed string) error

SetCacheID sets the cache ID of the step given a seed SHA256 value. Special steps like FROM, ADD, COPY have their own implementations.

func (VolumeStep) SetEnvFromContext added in v0.1.11 

func (s VolumeStep) SetEnvFromContext(
	ctx *context.BuildContext) error

SetEnvFromContext set environment variables from previous stages Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (VolumeStep) SetWorkingDir added in v0.1.11 

func (s VolumeStep) SetWorkingDir(
	ctx *context.BuildContext, imageConfig *image.Config) error

SetWorkingDir set the working dir of the current step Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (VolumeStep) String 

func (s VolumeStep) String() string

String returns the string representation of this step.

func (*VolumeStep) UpdateCtxAndConfig added in v0.1.2 

func (s *VolumeStep) UpdateCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) (*image.Config, error)

UpdateCtxAndConfig updates mutable states in build context, and generates a new image config base on config from previous step.

type WorkdirStep 

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

WorkdirStep implements BuildStep and execute WORKDIR directive

func (WorkdirStep) ApplyCtxAndConfig added in v0.1.2 

func (s WorkdirStep) ApplyCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) error

ApplyCtxAndConfig sets up the execution environment from build context and image config. This function will not be skipped.

func (WorkdirStep) CacheID 

func (s WorkdirStep) CacheID() string

CacheID returns the cache ID of the step.

func (WorkdirStep) Commit 

func (s WorkdirStep) Commit(ctx *context.BuildContext) ([]*image.DigestPair, error)

Commit generates an image layer.

func (WorkdirStep) ContextDirs 

func (s WorkdirStep) ContextDirs() (string, []string)

ContextDirs returns directories that this step requires from another stage.

func (WorkdirStep) Execute 

func (s WorkdirStep) Execute(ctx *context.BuildContext, modifyFS bool) error

Execute executes the step. If modifyFS is true, the command might change the local file system. Default implementation is noop.

func (WorkdirStep) HasCommit 

func (s WorkdirStep) HasCommit() bool

HasCommit returns whether or not a particular commit step has a commit annotation.

func (WorkdirStep) RequireOnDisk 

func (s WorkdirStep) RequireOnDisk() bool

func (WorkdirStep) SetCacheID 

func (s WorkdirStep) SetCacheID(ctx *context.BuildContext, seed string) error

SetCacheID sets the cache ID of the step given a seed SHA256 value. Special steps like FROM, ADD, COPY have their own implementations.

func (WorkdirStep) SetEnvFromContext added in v0.1.11 

func (s WorkdirStep) SetEnvFromContext(
	ctx *context.BuildContext) error

SetEnvFromContext set environment variables from previous stages Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (WorkdirStep) SetWorkingDir added in v0.1.11 

func (s WorkdirStep) SetWorkingDir(
	ctx *context.BuildContext, imageConfig *image.Config) error

SetWorkingDir set the working dir of the current step Exporting the logic to this method allows for an easier `ApplyCtxAndConfig` overwriting

func (WorkdirStep) String 

func (s WorkdirStep) String() string

String returns the string representation of this step.

func (*WorkdirStep) UpdateCtxAndConfig added in v0.1.2 

func (s *WorkdirStep) UpdateCtxAndConfig(
	ctx *context.BuildContext, imageConfig *image.Config) (*image.Config, error)

UpdateCtxAndConfig updates mutable states in build context, and generates a new image config base on config from previous step.

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