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package registry
import (
"time"
"github.com/scaleway/scaleway-sdk-go/errors"
"github.com/scaleway/scaleway-sdk-go/internal/async"
"github.com/scaleway/scaleway-sdk-go/scw"
)
// WaitForNamespaceRequest is used by WaitForNamespace method
type WaitForImageRequest struct {
ImageID string
Region scw.Region
Timeout *time.Duration
RetryInterval *time.Duration
}
// WaitForImage wait for the image to be in a "terminal state" before returning.
// This function can be used to wait for an image to be ready for example.
func (s *API) WaitForImage(req *WaitForImageRequest, opts ...scw.RequestOption) (*Image, error) {
timeout := defaultTimeout
if req.Timeout != nil {
timeout = *req.Timeout
}
retryInterval := defaultRetryInterval
if req.RetryInterval != nil {
retryInterval = *req.RetryInterval
}
terminalStatus := map[ImageStatus]struct{}{
ImageStatusReady: {},
ImageStatusLocked: {},
ImageStatusError: {},
ImageStatusUnknown: {},
}
image, err := async.WaitSync(&async.WaitSyncConfig{
Get: func() (interface{}, bool, error) {
img, err := s.GetImage(&GetImageRequest{
Region: req.Region,
ImageID: req.ImageID,
}, opts...)
if err != nil {
return nil, false, err
}
_, isTerminal := terminalStatus[img.Status]
return img, isTerminal, err
},
Timeout: timeout,
IntervalStrategy: async.LinearIntervalStrategy(retryInterval),
})
if err != nil {
return nil, errors.Wrap(err, "waiting for image failed")
}
return image.(*Image), nil
}
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