func (c *containerAdapter) createVolumes(ctx context.Context, backend executorpkg.Backend) error {
// Create plugin volumes that are embedded inside a Mount
for _, mount := range c.container.task.Spec.GetContainer().Mounts {
if mount.Type != api.MountTypeVolume {
continue
}
if mount.VolumeOptions == nil {
continue
}
if mount.VolumeOptions.DriverConfig == nil {
continue
}
req := c.container.volumeCreateRequest(&mount)
// Check if this volume exists on the engine
if _, err := backend.VolumeCreate(req.Name, req.Driver, req.DriverOpts, req.Labels); err != nil {
// TODO(amitshukla): Today, volume create through the engine api does not return an error
// when the named volume with the same parameters already exists.
// It returns an error if the driver name is different - that is a valid error
return err
}
}
return nil
}
