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client.go
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client.go
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package worker
import (
"fmt"
"os"
"strings"
"time"
"code.cloudfoundry.org/garden"
"code.cloudfoundry.org/lager"
"github.com/concourse/atc"
"github.com/concourse/atc/db"
"github.com/concourse/baggageclaim"
)
//go:generate counterfeiter . Client
type Client interface {
CreateContainer(
lager.Logger,
<-chan os.Signal,
ImageFetchingDelegate,
Identifier,
Metadata,
ContainerSpec,
atc.ResourceTypes,
) (Container, error)
FindContainerForIdentifier(lager.Logger, Identifier) (Container, bool, error)
LookupContainer(lager.Logger, string) (Container, bool, error)
FindResourceTypeByPath(path string) (atc.WorkerResourceType, bool)
FindVolume(lager.Logger, VolumeSpec) (Volume, bool, error)
CreateVolume(logger lager.Logger, vs VolumeSpec, teamID int) (Volume, error)
ListVolumes(lager.Logger, VolumeProperties) ([]Volume, error)
LookupVolume(lager.Logger, string) (Volume, bool, error)
Satisfying(WorkerSpec, atc.ResourceTypes) (Worker, error)
AllSatisfying(WorkerSpec, atc.ResourceTypes) ([]Worker, error)
GetWorker(workerName string) (Worker, error)
}
type VolumeSpec struct {
Strategy Strategy
Properties VolumeProperties
Privileged bool
TTL time.Duration
}
func (spec VolumeSpec) baggageclaimVolumeSpec() baggageclaim.VolumeSpec {
return baggageclaim.VolumeSpec{
Strategy: spec.Strategy.baggageclaimStrategy(),
Privileged: spec.Privileged,
Properties: baggageclaim.VolumeProperties(spec.Properties),
TTL: spec.TTL,
}
}
type Strategy interface {
baggageclaimStrategy() baggageclaim.Strategy
dbIdentifier() db.VolumeIdentifier
}
type ResourceCacheStrategy struct {
ResourceHash string
ResourceVersion atc.Version
}
func (ResourceCacheStrategy) baggageclaimStrategy() baggageclaim.Strategy {
return baggageclaim.EmptyStrategy{}
}
func (strategy ResourceCacheStrategy) dbIdentifier() db.VolumeIdentifier {
return db.VolumeIdentifier{
ResourceCache: &db.ResourceCacheIdentifier{
ResourceHash: strategy.ResourceHash,
ResourceVersion: strategy.ResourceVersion,
},
}
}
type OutputStrategy struct {
Name string
}
func (OutputStrategy) baggageclaimStrategy() baggageclaim.Strategy {
return baggageclaim.EmptyStrategy{}
}
func (strategy OutputStrategy) dbIdentifier() db.VolumeIdentifier {
return db.VolumeIdentifier{
Output: &db.OutputIdentifier{
Name: strategy.Name,
},
}
}
type ImageArtifactReplicationStrategy struct {
Name string
}
func (ImageArtifactReplicationStrategy) baggageclaimStrategy() baggageclaim.Strategy {
return baggageclaim.EmptyStrategy{}
}
func (strategy ImageArtifactReplicationStrategy) dbIdentifier() db.VolumeIdentifier {
return db.VolumeIdentifier{
Replication: &db.ReplicationIdentifier{
ReplicatedVolumeHandle: strategy.Name,
},
}
}
type ContainerRootFSStrategy struct {
Parent Volume
}
func (strategy ContainerRootFSStrategy) baggageclaimStrategy() baggageclaim.Strategy {
return baggageclaim.COWStrategy{
Parent: strategy.Parent,
}
}
func (strategy ContainerRootFSStrategy) dbIdentifier() db.VolumeIdentifier {
return db.VolumeIdentifier{
COW: &db.COWIdentifier{
ParentVolumeHandle: strategy.Parent.Handle(),
},
}
}
type HostRootFSStrategy struct {
Path string
WorkerName string
Version *string
}
func (strategy HostRootFSStrategy) baggageclaimStrategy() baggageclaim.Strategy {
return baggageclaim.ImportStrategy{
Path: strategy.Path,
}
}
func (strategy HostRootFSStrategy) dbIdentifier() db.VolumeIdentifier {
return db.VolumeIdentifier{
Import: &db.ImportIdentifier{
Path: strategy.Path,
WorkerName: strategy.WorkerName,
Version: strategy.Version,
},
}
}
//go:generate counterfeiter . Container
type Container interface {
garden.Container
Destroy() error
Release(*time.Duration)
Volumes() []Volume
VolumeMounts() []VolumeMount
WorkerName() string
}
type VolumeProperties map[string]string
type VolumeIdentifier db.VolumeIdentifier
type Identifier db.ContainerIdentifier
type Metadata db.ContainerMetadata
type MultipleWorkersFoundContainerError struct {
Names []string
}
func (err MultipleWorkersFoundContainerError) Error() string {
return fmt.Sprintf("multiple workers found specified container, expected one: %s", strings.Join(err.Names, ", "))
}
type MultipleContainersError struct {
Handles []string
}
func (err MultipleContainersError) Error() string {
return fmt.Sprintf("multiple containers found, expected one: %s", strings.Join(err.Handles, ", "))
}
type MultiWorkerError struct {
workerErrors map[string]error
}
func (mwe *MultiWorkerError) AddError(workerName string, err error) {
if mwe.workerErrors == nil {
mwe.workerErrors = map[string]error{}
}
mwe.workerErrors[workerName] = err
}
func (mwe MultiWorkerError) Errors() map[string]error {
return mwe.workerErrors
}
func (err MultiWorkerError) Error() string {
errorMessage := ""
if err.workerErrors != nil {
for workerName, err := range err.workerErrors {
errorMessage = fmt.Sprintf("%s workerName: %s, error: %s", errorMessage, workerName, err)
}
}
return errorMessage
}