Golang Unit.ApplicationNameの例

コード例 #1

ファイル: resource.go プロジェクト: bac/juju

// OpenResourceForUniter returns metadata about the resource and
// a reader for the resource. The resource is associated with
// the unit once the reader is completely exhausted.
func (st resourceState) OpenResourceForUniter(unit resource.Unit, name string) (resource.Resource, io.ReadCloser, error) {
	applicationID := unit.ApplicationName()

	pendingID, err := newPendingID()
	if err != nil {
		return resource.Resource{}, nil, errors.Trace(err)
	}

	resourceInfo, resourceReader, err := st.OpenResource(applicationID, name)
	if err != nil {
		return resource.Resource{}, nil, errors.Trace(err)
	}

	pending := resourceInfo // a copy
	pending.PendingID = pendingID

	if err := st.persist.SetUnitResourceProgress(unit.Name(), pending, 0); err != nil {
		resourceReader.Close()
		return resource.Resource{}, nil, errors.Trace(err)
	}

	resourceReader = &unitSetter{
		ReadCloser: resourceReader,
		persist:    st.persist,
		unit:       unit,
		pending:    pending,
		resource:   resourceInfo,
		clock:      clock.WallClock,
	}

	return resourceInfo, resourceReader, nil
}