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resource.go
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resource.go
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package cessna
import (
"code.cloudfoundry.org/lager"
"github.com/concourse/atc"
"github.com/concourse/baggageclaim"
uuid "github.com/nu7hatch/gouuid"
)
type BaseResourceType struct {
RootFSPath string
Name string
}
type Resource struct {
ResourceType RootFSable
Source atc.Source
}
//go:generate counterfeiter . RootFSable
type RootFSable interface {
RootFSPathFor(logger lager.Logger, worker Worker) (string, error)
}
func NewBaseResource(resourceType BaseResourceType, source atc.Source) Resource {
return Resource{
ResourceType: resourceType,
Source: source,
}
}
func (r BaseResourceType) RootFSPathFor(logger lager.Logger, worker Worker) (string, error) {
spec := baggageclaim.VolumeSpec{
Strategy: baggageclaim.ImportStrategy{
Path: r.RootFSPath,
},
Privileged: true,
}
handle, err := uuid.NewV4()
if err != nil {
return "", err
}
parentVolume, err := worker.BaggageClaimClient().CreateVolume(logger, handle.String(), spec)
if err != nil {
return "", err
}
// COW of RootFS Volume
s := baggageclaim.VolumeSpec{
Strategy: baggageclaim.COWStrategy{
Parent: parentVolume,
},
Privileged: true,
}
handle, err = uuid.NewV4()
if err != nil {
return "", err
}
v, err := worker.BaggageClaimClient().CreateVolume(logger, handle.String(), s)
if err != nil {
return "", err
}
return "raw://" + v.Path(), nil
}
type CheckRequest struct {
Source atc.Source `json:"source"`
Version atc.Version `json:"version"`
}
type CheckResponse []atc.Version
type InRequest struct {
Source atc.Source `json:"source"`
Params atc.Params `json:"params"`
Version atc.Version `json:"version"`
}
type InResponse struct {
Version atc.Version `json:"version"`
Metadata []atc.MetadataField `json:"metadata,omitempty"`
}
type OutRequest struct {
Source atc.Source `json:"source"`
Params atc.Params `json:"params"`
}
type OutResponse struct {
Version atc.Version `json:"version"`
Metadata []atc.MetadataField `json:"metadata,omitempty"`
}
type NamedArtifacts map[string]baggageclaim.Volume