project

package
v1.1.0 Latest Latest
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 Go to latest Published: May 26, 2023 License: Apache-2.0 Imports: 22 Imported by: 0

Documentation

Index

Constants

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const (
	AnyState = State("")
	Running  = State("running")
	Stopped  = State("stopped")
)

Definitions of filter states

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const ComposeVersion = "1.5.0"

ComposeVersion is name of docker-compose.yml file syntax supported version

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const RelTypeDependsOn = ServiceRelationshipType("dependsOn")

RelTypeDependsOn means the dependency was explicitly set using 'depends_on'.

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const RelTypeIpcNamespace = ServiceRelationshipType("ipc")

RelTypeIpcNamespace means the service share the same ipc namespace.

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const RelTypeLink = ServiceRelationshipType("")

RelTypeLink means the services are linked (docker links).

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const RelTypeNetNamespace = ServiceRelationshipType("netns")

RelTypeNetNamespace means the services share the same network namespace.

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const RelTypeNetworkMode = ServiceRelationshipType("networkMode")

RelTypeNetworkMode means the services depends on another service on networkMode

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const RelTypeVolumesFrom = ServiceRelationshipType("volumesFrom")

RelTypeVolumesFrom means the services share some volumes.

Variables

View Source 
var (
	StateExecuted = ServiceState("executed")
	StateUnknown  = ServiceState("unknown")
)

State definitions

View Source 
var (
	ErrRestart     = errors.New("Restart execution")
	ErrUnsupported = errors.New("UnsupportedOperation")
)

Error definitions

Functions

func IsNamedVolume 

func IsNamedVolume(volume string) bool

IsNamedVolume returns whether the specified volume (string) is a named volume or not.

func NameAlias 

func NameAlias(name string) (string, string)

NameAlias returns the name and alias based on the specified string. If the name contains a colon (like name:alias) it will split it, otherwise it will return the specified name as name and alias.

func NewDefaultListener 

func NewDefaultListener(p *Project) chan<- events.Event

NewDefaultListener create a default listener for the specified project.

Types

type APIProject 

type APIProject interface {
	events.Notifier
	events.Emitter

	Build(ctx context.Context, options options.Build, sevice ...string) error
	Config() (string, error)
	Create(ctx context.Context, options options.Create, services ...string) error
	Delete(ctx context.Context, options options.Delete, services ...string) error
	Down(ctx context.Context, options options.Down, services ...string) error
	Events(ctx context.Context, services ...string) (chan events.ContainerEvent, error)
	Kill(ctx context.Context, signal string, services ...string) error
	Log(ctx context.Context, follow bool, services ...string) error
	Pause(ctx context.Context, services ...string) error
	Ps(ctx context.Context, services ...string) (InfoSet, error)
	// FIXME(vdemeester) we could use nat.Port instead ?
	Port(ctx context.Context, index int, protocol, serviceName, privatePort string) (string, error)
	Pull(ctx context.Context, services ...string) error
	Restart(ctx context.Context, timeout int, services ...string) error
	Run(ctx context.Context, serviceName string, commandParts []string, options options.Run) (int, error)
	Scale(ctx context.Context, timeout int, servicesScale map[string]int) error
	Start(ctx context.Context, services ...string) error
	Stop(ctx context.Context, timeout int, services ...string) error
	Unpause(ctx context.Context, services ...string) error
	Up(ctx context.Context, options options.Up, services ...string) error

	Parse() error
	CreateService(name string) (Service, error)
	AddConfig(name string, config *config.ServiceConfig) error
	Load(bytes []byte) error
	Containers(ctx context.Context, filter Filter, services ...string) ([]string, error)

	GetServiceConfig(service string) (*config.ServiceConfig, bool)
}

APIProject defines the methods a libcompose project should implement.

type Container 

type Container interface {
	ID() string
	Name() string
	Port(ctx context.Context, port string) (string, error)
	IsRunning(ctx context.Context) bool
}

Container defines what a libcompose container provides.

type Context 

type Context struct {
	ComposeFiles []string
	ComposeBytes [][]byte
	ProjectName  string

	ServiceFactory      ServiceFactory
	NetworksFactory     NetworksFactory
	VolumesFactory      VolumesFactory
	EnvironmentLookup   config.EnvironmentLookup
	ResourceLookup      config.ResourceLookup
	LoggerFactory       logger.Factory
	IgnoreMissingConfig bool
	Project             *Project
	// contains filtered or unexported fields
}

Context holds context meta information about a libcompose project, like the project name, the compose file, etc.

type EmptyNetworks 

type EmptyNetworks struct {
}

EmptyNetworks is a struct that implements Networks but does nothing.

func (*EmptyNetworks) Initialize 

func (e *EmptyNetworks) Initialize(ctx context.Context) error

Initialize implements Networks.Initialize but does nothing.

func (*EmptyNetworks) Remove 

func (e *EmptyNetworks) Remove(ctx context.Context) error

Remove implements Networks.Remove but does nothing.

type EmptyService 

type EmptyService struct {
}

EmptyService is a struct that implements Service but does nothing.

func (*EmptyService) Build 

func (e *EmptyService) Build(ctx context.Context, buildOptions options.Build) error

Build implements Service.Build but does nothing.

func (*EmptyService) Config 

func (e *EmptyService) Config() *config.ServiceConfig

Config implements Service.Config with empty config.

func (*EmptyService) Containers 

func (e *EmptyService) Containers(ctx context.Context) ([]Container, error)

Containers implements Service.Containers but does nothing.

func (*EmptyService) Create 

func (e *EmptyService) Create(ctx context.Context, options options.Create) error

Create implements Service.Create but does nothing.

func (*EmptyService) Delete 

func (e *EmptyService) Delete(ctx context.Context, options options.Delete) error

Delete implements Service.Delete but does nothing.

func (*EmptyService) DependentServices 

func (e *EmptyService) DependentServices() []ServiceRelationship

DependentServices implements Service.DependentServices with empty slice.

func (*EmptyService) Events 

func (e *EmptyService) Events(ctx context.Context, events chan events.ContainerEvent) error

Events implements Service.Events but does nothing.

func (*EmptyService) Info 

func (e *EmptyService) Info(ctx context.Context) (InfoSet, error)

Info implements Service.Info but does nothing.

func (*EmptyService) Kill 

func (e *EmptyService) Kill(ctx context.Context, signal string) error

Kill implements Service.Kill but does nothing.

func (*EmptyService) Log 

func (e *EmptyService) Log(ctx context.Context, follow bool) error

Log implements Service.Log but does nothing.

func (*EmptyService) Name 

func (e *EmptyService) Name() string

Name implements Service.Name with empty name.

func (*EmptyService) Pause 

func (e *EmptyService) Pause(ctx context.Context) error

Pause implements Service.Pause but does nothing.

func (*EmptyService) Pull 

func (e *EmptyService) Pull(ctx context.Context) error

Pull implements Service.Pull but does nothing.

func (*EmptyService) RemoveImage 

func (e *EmptyService) RemoveImage(ctx context.Context, imageType options.ImageType) error

RemoveImage implements Service.RemoveImage but does nothing.

func (*EmptyService) Restart 

func (e *EmptyService) Restart(ctx context.Context, timeout int) error

Restart implements Service.Restart but does nothing.

func (*EmptyService) Run 

func (e *EmptyService) Run(ctx context.Context, commandParts []string, options options.Run) (int, error)

Run implements Service.Run but does nothing.

func (*EmptyService) Scale 

func (e *EmptyService) Scale(ctx context.Context, count int, timeout int) error

Scale implements Service.Scale but does nothing.

func (*EmptyService) Start 

func (e *EmptyService) Start(ctx context.Context) error

Start implements Service.Start but does nothing.

func (*EmptyService) Stop 

func (e *EmptyService) Stop(ctx context.Context, timeout int) error

Stop implements Service.Stop() but does nothing.

func (*EmptyService) Unpause 

func (e *EmptyService) Unpause(ctx context.Context) error

Unpause implements Service.Pause but does nothing.

func (*EmptyService) Up 

func (e *EmptyService) Up(ctx context.Context, options options.Up) error

Up implements Service.Up but does nothing.

type ExportedConfig 

type ExportedConfig struct {
	Version  string                           `yaml:"version,omitempty"`
	Services map[string]*config.ServiceConfig `yaml:"services"`
	Volumes  map[string]*config.VolumeConfig  `yaml:"volumes"`
	Networks map[string]*config.NetworkConfig `yaml:"networks"`
}

ExportedConfig holds config attribute that will be exported

type Filter 

type Filter struct {
	State State
}

Filter holds filter element to filter containers

type Info 

type Info map[string]string

Info holds a list of InfoPart.

type InfoSet 

type InfoSet []Info

InfoSet holds a list of Info.

func (InfoSet) String 

func (infos InfoSet) String(columns []string, titleFlag bool) string

type Networks 

type Networks interface {
	Initialize(ctx context.Context) error
	Remove(ctx context.Context) error
}

Networks defines the methods a libcompose network aggregate should define.

type NetworksFactory 

type NetworksFactory interface {
	Create(projectName string, networkConfigs map[string]*config.NetworkConfig, serviceConfigs *config.ServiceConfigs, networkEnabled bool) (Networks, error)
}

NetworksFactory is an interface factory to create Networks object for the specified configurations (service, networks, …)

type Project 

type Project struct {
	Name           string
	ServiceConfigs *config.ServiceConfigs
	VolumeConfigs  map[string]*config.VolumeConfig
	NetworkConfigs map[string]*config.NetworkConfig
	Files          []string
	ReloadCallback func() error
	ParseOptions   *config.ParseOptions
	// contains filtered or unexported fields
}

Project holds libcompose project information.

func NewProject 

func NewProject(context *Context, runtime RuntimeProject, parseOptions *config.ParseOptions) *Project

NewProject creates a new project with the specified context.

func (*Project) AddConfig 

func (p *Project) AddConfig(name string, config *config.ServiceConfig) error

AddConfig adds the specified service config for the specified name.

func (*Project) AddListener 

func (p *Project) AddListener(c chan<- events.Event)

AddListener adds the specified listener to the project. This implements implicitly events.Emitter.

func (*Project) AddNetworkConfig 

func (p *Project) AddNetworkConfig(name string, config *config.NetworkConfig) error

AddNetworkConfig adds the specified network config for the specified name.

func (*Project) AddVolumeConfig 

func (p *Project) AddVolumeConfig(name string, config *config.VolumeConfig) error

AddVolumeConfig adds the specified volume config for the specified name.

func (*Project) Build 

func (p *Project) Build(ctx context.Context, buildOptions options.Build, services ...string) error

Build builds the specified services (like docker build).

func (*Project) Config 

func (p *Project) Config() (string, error)

Config validates and print the compose file.

func (*Project) Containers 

func (p *Project) Containers(ctx context.Context, filter Filter, services ...string) ([]string, error)

Containers lists the containers for the specified services. Can be filter using the Filter struct.

func (*Project) Create 

func (p *Project) Create(ctx context.Context, options options.Create, services ...string) error

Create creates the specified services (like docker create).

func (*Project) CreateService 

func (p *Project) CreateService(name string) (Service, error)

CreateService creates a service with the specified name based. If there is no config in the project for this service, it will return an error.

func (*Project) Delete 

func (p *Project) Delete(ctx context.Context, options options.Delete, services ...string) error

Delete removes the specified services (like docker rm).

func (*Project) Down 

func (p *Project) Down(ctx context.Context, opts options.Down, services ...string) error

Down stops the specified services and clean related containers (like docker stop + docker rm).

func (*Project) Events 

func (p *Project) Events(ctx context.Context, services ...string) (chan events.ContainerEvent, error)

Events listen for real time events from containers (of the project).

func (*Project) GetServiceConfig 

func (p *Project) GetServiceConfig(name string) (*config.ServiceConfig, bool)

GetServiceConfig looks up a service config for a given service name, returning the ServiceConfig object and a bool flag indicating whether it was found

func (*Project) Kill 

func (p *Project) Kill(ctx context.Context, signal string, services ...string) error

Kill kills the specified services (like docker kill).

func (*Project) Load 

func (p *Project) Load(bytes []byte) error

Load loads the specified byte array (the composefile content) and adds the service configuration to the project. FIXME is it needed ?

func (*Project) Log 

func (p *Project) Log(ctx context.Context, follow bool, services ...string) error

Log aggregates and prints out the logs for the specified services.

func (*Project) Notify 

func (p *Project) Notify(eventType events.EventType, serviceName string, data map[string]string)

Notify notifies all project listener with the specified eventType, service name and datas. This implements implicitly events.Notifier interface.

func (*Project) Parse 

func (p *Project) Parse() error

Parse populates project information based on its context. It sets up the name, the composefile and the composebytes (the composefile content).

func (*Project) Pause 

func (p *Project) Pause(ctx context.Context, services ...string) error

Pause pauses the specified services containers (like docker pause).

func (*Project) Port 

func (p *Project) Port(ctx context.Context, index int, protocol, serviceName, privatePort string) (string, error)

Port returns the public port for a port binding of the specified service.

func (*Project) Ps 

func (p *Project) Ps(ctx context.Context, services ...string) (InfoSet, error)

Ps list containers for the specified services.

func (*Project) Pull 

func (p *Project) Pull(ctx context.Context, services ...string) error

Pull pulls the specified services (like docker pull).

func (*Project) Restart 

func (p *Project) Restart(ctx context.Context, timeout int, services ...string) error

Restart restarts the specified services (like docker restart).

func (*Project) Run 

func (p *Project) Run(ctx context.Context, serviceName string, commandParts []string, opts options.Run) (int, error)

Run executes a one off command (like `docker run image command`).

func (*Project) Scale 

func (p *Project) Scale(ctx context.Context, timeout int, servicesScale map[string]int) error

Scale scales the specified services.

func (*Project) Start 

func (p *Project) Start(ctx context.Context, services ...string) error

Start starts the specified services (like docker start).

func (*Project) Stop 

func (p *Project) Stop(ctx context.Context, timeout int, services ...string) error

Stop stops the specified services (like docker stop).

func (*Project) Unpause 

func (p *Project) Unpause(ctx context.Context, services ...string) error

Unpause pauses the specified services containers (like docker pause).

func (*Project) Up 

func (p *Project) Up(ctx context.Context, options options.Up, services ...string) error

Up creates and starts the specified services (kinda like docker run).

type RuntimeProject 

type RuntimeProject interface {
	RemoveOrphans(ctx context.Context, projectName string, serviceConfigs *config.ServiceConfigs) error
}

RuntimeProject defines runtime-specific methods for a libcompose implementation.

type Service 

type Service interface {
	Build(ctx context.Context, buildOptions options.Build) error
	Create(ctx context.Context, options options.Create) error
	Delete(ctx context.Context, options options.Delete) error
	Events(ctx context.Context, messages chan events.ContainerEvent) error
	Info(ctx context.Context) (InfoSet, error)
	Log(ctx context.Context, follow bool) error
	Kill(ctx context.Context, signal string) error
	Pause(ctx context.Context) error
	Pull(ctx context.Context) error
	Restart(ctx context.Context, timeout int) error
	Run(ctx context.Context, commandParts []string, options options.Run) (int, error)
	Scale(ctx context.Context, count int, timeout int) error
	Start(ctx context.Context) error
	Stop(ctx context.Context, timeout int) error
	Unpause(ctx context.Context) error
	Up(ctx context.Context, options options.Up) error

	RemoveImage(ctx context.Context, imageType options.ImageType) error
	Containers(ctx context.Context) ([]Container, error)
	DependentServices() []ServiceRelationship
	Config() *config.ServiceConfig
	Name() string
}

Service defines what a libcompose service provides.

type ServiceFactory 

type ServiceFactory interface {
	Create(project *Project, name string, serviceConfig *config.ServiceConfig) (Service, error)
}

ServiceFactory is an interface factory to create Service object for the specified project, with the specified name and service configuration.

type ServiceRelationship 

type ServiceRelationship struct {
	Target, Alias string
	Type          ServiceRelationshipType
	Optional      bool
}

ServiceRelationship holds the relationship information between two services.

func DefaultDependentServices 

func DefaultDependentServices(p *Project, s Service) []ServiceRelationship

DefaultDependentServices return the dependent services (as an array of ServiceRelationship) for the specified project and service. It looks for : links, volumesFrom, net and ipc configuration.

func NewServiceRelationship 

func NewServiceRelationship(nameAlias string, relType ServiceRelationshipType) ServiceRelationship

NewServiceRelationship creates a new Relationship based on the specified alias and relationship type.

type ServiceRelationshipType 

type ServiceRelationshipType string

ServiceRelationshipType defines the type of service relationship.

type ServiceState 

type ServiceState string

ServiceState holds the state of a service.

type State 

type State string

State defines the supported state you can filter on

type Volumes 

type Volumes interface {
	Initialize(ctx context.Context) error
	Remove(ctx context.Context) error
}

Volumes defines the methods a libcompose volume aggregate should define.

type VolumesFactory 

type VolumesFactory interface {
	Create(projectName string, volumeConfigs map[string]*config.VolumeConfig, serviceConfigs *config.ServiceConfigs, volumeEnabled bool) (Volumes, error)
}

VolumesFactory is an interface factory to create Volumes object for the specified configurations (service, volumes, …)

Source Files

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Directories

Path Synopsis
Package events holds event structures, methods and functions.
 Package events holds event structures, methods and functions.

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