layers

package
v1.10.0 Latest Latest
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 Go to latest Published: Jan 29, 2019 License: Apache-2.0 Imports: 6 Imported by: 17

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Constants

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Variables

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Functions

This section is empty.

Types

type Flag 

type Flag uint8

Flag is a type used to represent layer metadata flags. 

const (
	// Build indicates that a layer should be used for builds
	Build Flag = iota

	// Cache indicates that a layer should be cached
	Cache

	// Launch indicates that a layer should be used for launch
	Launch
)

type Layer 

type Layer struct {
	// Root is the path to the root directory for the layer.
	Root string

	// Metadata is the location of the layer's metadata file.
	Metadata string
	// contains filtered or unexported fields
}

Layer represents a layer for an application.

func (Layer) AppendBuildEnv 

func (l Layer) AppendBuildEnv(name string, format string, args ...interface{}) error

AppendBuildEnv appends the value of this environment variable to any previous declarations of the value without any delimitation. If delimitation is important during concatenation, callers are required to add it.

func (Layer) AppendLaunchEnv 

func (l Layer) AppendLaunchEnv(name string, format string, args ...interface{}) error

AppendLaunchEnv appends the value of this environment variable to any previous declarations of the value without any delimitation. If delimitation is important during concatenation, callers are required to add it.

func (Layer) AppendPathBuildEnv 

func (l Layer) AppendPathBuildEnv(name string, format string, args ...interface{}) error

AppendPathBuildEnv appends the value of this environment variable to any previous declarations of the value using the OS path delimiter.

func (Layer) AppendPathLaunchEnv 

func (l Layer) AppendPathLaunchEnv(name string, format string, args ...interface{}) error

AppendPathLaunchEnv appends the value of this environment variable to any previous declarations of the value using the OS path delimiter.

func (Layer) AppendPathSharedEnv 

func (l Layer) AppendPathSharedEnv(name string, format string, args ...interface{}) error

AppendPathSharedEnv appends the value of this environment variable to any previous declarations of the value using the OS path delimiter.

func (Layer) AppendSharedEnv 

func (l Layer) AppendSharedEnv(name string, format string, args ...interface{}) error

AppendSharedEnv appends the value of this environment variable to any previous declarations of the value without any delimitation. If delimitation is important during concatenation, callers are required to add it.

func (Layer) OverrideBuildEnv 

func (l Layer) OverrideBuildEnv(name string, format string, args ...interface{}) error

OverrideBuildEnv overrides any existing value for an environment variable with this value.

func (Layer) OverrideLaunchEnv 

func (l Layer) OverrideLaunchEnv(name string, format string, args ...interface{}) error

OverrideLaunchEnv overrides any existing value for an environment variable with this value.

func (Layer) OverrideSharedEnv 

func (l Layer) OverrideSharedEnv(name string, format string, args ...interface{}) error

OverrideSharedEnv overrides any existing value for an environment variable with this value.

func (Layer) ReadMetadata 

func (l Layer) ReadMetadata(metadata interface{}) error

ReadMetadata reads arbitrary layer metadata from the filesystem.

func (Layer) RemoveMetadata 

func (l Layer) RemoveMetadata() error

RemoveMetadata remove layer metadata from the filesystem.

func (Layer) String 

func (l Layer) String() string

String makes Layer satisfy the Stringer interface.

func (Layer) WriteMetadata 

func (l Layer) WriteMetadata(metadata interface{}, flags ...Flag) error

WriteMetadata writes arbitrary layer metadata to the filesystem.

func (Layer) WriteProfile 

func (l Layer) WriteProfile(file string, format string, args ...interface{}) error

WriteProfile writes a file to profile.d with this value.

type Layers 

type Layers struct {
	// Root is the path to the root directory for the layers.
	Root string
	// contains filtered or unexported fields
}

Layers represents the layers for an application.

func NewLayers added in v1.6.0 

func NewLayers(root string, logger logger.Logger) Layers

NewLayers creates a new Logger instance.

func (Layers) Layer 

func (l Layers) Layer(name string) Layer

Layer creates a Layer with a specified name.

func (Layers) String 

func (l Layers) String() string

String makes Layers satisfy the Stringer interface.

func (Layers) WriteMetadata 

func (l Layers) WriteMetadata(metadata Metadata) error

WriteMetadata writes launch metadata to the filesystem.

type Metadata 

type Metadata struct {
	// Processes is a collection of processes.
	Processes Processes `toml:"processes"`
}

Metadata represents metadata about the Launch.

func (Metadata) String 

func (m Metadata) String() string

String makes Metadata satisfy the Stringer interface.

type Process 

type Process struct {
	// Type is the type of the process.
	Type string `toml:"type"`

	// Command is the command of the process.
	Command string `toml:"command"`
}

Process represents metadata about a type of command that can be run.

func (Process) String 

func (p Process) String() string

String makes Process satisfy the Stringer interface.

type Processes 

type Processes []Process

Processes is a collection of Process instances.

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