worker

package
v0.0.0-...-0e89551 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jul 23, 2015 License: Apache-2.0 Imports: 20 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var ErrContainerNotFound = errors.New("container not found")
View Source 
var ErrNoWorkers = errors.New("no workers")
View Source 
var ErrUnsupportedResourceType = errors.New("unsupported resource type")

Functions

This section is empty.

Types

type Client 

type Client interface {
	CreateContainer(Identifier, ContainerSpec) (Container, error)
	LookupContainer(Identifier) (Container, error)
}

func NewPool 

func NewPool(provider WorkerProvider) Client

type Container 

type Container interface {
	garden.Container

	Destroy() error

	Release()
}

type ContainerSpec 

type ContainerSpec interface {
	Description() string
}

type ContainerType 

type ContainerType string
const (
	ContainerTypeCheck ContainerType = "check"
	ContainerTypeGet   ContainerType = "get"
	ContainerTypePut   ContainerType = "put"
	ContainerTypeTask  ContainerType = "task"
)

type ExponentialRetryPolicy 

type ExponentialRetryPolicy struct {
	Timeout time.Duration
}

func (ExponentialRetryPolicy) DelayFor 

func (policy ExponentialRetryPolicy) DelayFor(attempts uint) (time.Duration, bool)

type Identifier 

type Identifier struct {
	Name string

	PipelineName string

	BuildID int

	Type ContainerType

	StepLocation uint

	CheckType   string
	CheckSource atc.Source
}

type MultipleContainersError 

type MultipleContainersError struct {
	Handles []string
}

func (MultipleContainersError) Error 

func (err MultipleContainersError) Error() string

type NoCompatibleWorkersError 

type NoCompatibleWorkersError struct {
	Spec    ContainerSpec
	Workers []Worker
}

func (NoCompatibleWorkersError) Error 

func (err NoCompatibleWorkersError) Error() string

type Pool 

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

func (*Pool) CreateContainer 

func (pool *Pool) CreateContainer(id Identifier, spec ContainerSpec) (Container, error)

func (*Pool) LookupContainer 

func (pool *Pool) LookupContainer(id Identifier) (Container, error)

type ResourceTypeContainerSpec 

type ResourceTypeContainerSpec struct {
	Type      string
	Ephemeral bool
	Tags      []string
}

func (ResourceTypeContainerSpec) Description 

func (spec ResourceTypeContainerSpec) Description() string

type RetryPolicy 

type RetryPolicy interface {
	DelayFor(uint) (time.Duration, bool)
}

type RetryableConnection 

type RetryableConnection struct {
	gconn.Connection

	Logger      lager.Logger
	Sleeper     Sleeper
	RetryPolicy RetryPolicy
}

func (RetryableConnection) Attach 

func (conn RetryableConnection) Attach(handle string, processID uint32, processIO garden.ProcessIO) (garden.Process, error)

func (RetryableConnection) Capacity 

func (conn RetryableConnection) Capacity() (garden.Capacity, error)

func (RetryableConnection) Create 

func (conn RetryableConnection) Create(spec garden.ContainerSpec) (string, error)

func (RetryableConnection) CurrentBandwidthLimits 

func (conn RetryableConnection) CurrentBandwidthLimits(handle string) (garden.BandwidthLimits, error)

func (RetryableConnection) CurrentCPULimits 

func (conn RetryableConnection) CurrentCPULimits(handle string) (garden.CPULimits, error)

func (RetryableConnection) CurrentDiskLimits 

func (conn RetryableConnection) CurrentDiskLimits(handle string) (garden.DiskLimits, error)

func (RetryableConnection) CurrentMemoryLimits 

func (conn RetryableConnection) CurrentMemoryLimits(handle string) (garden.MemoryLimits, error)

func (RetryableConnection) Destroy 

func (conn RetryableConnection) Destroy(handle string) error

func (RetryableConnection) Info 

func (conn RetryableConnection) Info(handle string) (garden.ContainerInfo, error)

func (RetryableConnection) LimitBandwidth 

func (conn RetryableConnection) LimitBandwidth(handle string, limits garden.BandwidthLimits) (garden.BandwidthLimits, error)

func (RetryableConnection) LimitCPU 

func (conn RetryableConnection) LimitCPU(handle string, limits garden.CPULimits) (garden.CPULimits, error)

func (RetryableConnection) LimitDisk 

func (conn RetryableConnection) LimitDisk(handle string, limits garden.DiskLimits) (garden.DiskLimits, error)

func (RetryableConnection) LimitMemory 

func (conn RetryableConnection) LimitMemory(handle string, limits garden.MemoryLimits) (garden.MemoryLimits, error)

func (RetryableConnection) List 

func (conn RetryableConnection) List(properties garden.Properties) ([]string, error)

func (RetryableConnection) NetIn 

func (conn RetryableConnection) NetIn(handle string, hostPort, containerPort uint32) (uint32, uint32, error)

func (RetryableConnection) NetOut 

func (conn RetryableConnection) NetOut(handle string, rule garden.NetOutRule) error

func (RetryableConnection) Ping 

func (conn RetryableConnection) Ping() error

func (RetryableConnection) Property 

func (conn RetryableConnection) Property(handle string, name string) (string, error)

func (RetryableConnection) RemoveProperty 

func (conn RetryableConnection) RemoveProperty(handle string, name string) error

func (RetryableConnection) Run 

func (conn RetryableConnection) Run(handle string, processSpec garden.ProcessSpec, processIO garden.ProcessIO) (garden.Process, error)

func (RetryableConnection) SetProperty 

func (conn RetryableConnection) SetProperty(handle string, name string, value string) error

func (RetryableConnection) Stop 

func (conn RetryableConnection) Stop(handle string, kill bool) error

func (RetryableConnection) StreamIn 

func (conn RetryableConnection) StreamIn(handle string, spec garden.StreamInSpec) error

func (RetryableConnection) StreamOut 

func (conn RetryableConnection) StreamOut(handle string, spec garden.StreamOutSpec) (io.ReadCloser, error)

type Sleeper 

type Sleeper interface {
	Sleep(time.Duration)
}

type TaskContainerSpec 

type TaskContainerSpec struct {
	Platform string
	Tags     []string

	Image      string
	Privileged bool
}

func (TaskContainerSpec) Description 

func (spec TaskContainerSpec) Description() string

type Worker 

type Worker interface {
	Client

	ActiveContainers() int
	Satisfies(ContainerSpec) bool

	Description() string
}

func NewGardenWorker 

func NewGardenWorker(
	gardenClient garden.Client,
	clock clock.Clock,
	activeContainers int,
	resourceTypes []atc.WorkerResourceType,
	platform string,
	tags []string,
) Worker

type WorkerDB 

type WorkerDB interface {
	Workers() ([]db.WorkerInfo, error)
}

type WorkerProvider 

type WorkerProvider interface {
	Workers() ([]Worker, error)
}

func NewDBWorkerProvider 

func NewDBWorkerProvider(db WorkerDB, logger lager.Logger) WorkerProvider

Source Files

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Directories

Path Synopsis
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