// Open is used to open an existing stable at the given path. If
// successful, a new stable is returned.
func OpenStable(path string) (*Stable, error) {
stable, err := newStable(path)
log.Infof("Opening stable in %q", stable.Root)
if err != nil {
return nil, err
}
if err := stable.ReadConfig(); err != nil {
return nil, err
}
return stable, nil
}
// unpackFrom will ensure that the distribution is unpacked and
// installed in the distribution tree under the root directory for
// distributions. If this function finishes successfully, nil is
// returned, otherwise, an error is returned.
func (dt *Dist) unpackDist(root, path string) error {
log.Infof("Unpacking distribution %s into %s\n", path, root)
switch pathType(path) {
case TGZ_PATH:
return dt.unpackTar(root, path)
case ZIP_PATH:
return dt.unpackZip(root, path)
case DIR_PATH:
dt.Name = filepath.Base(path)
dt.Root = filepath.Join(root, dt.Name)
os.Symlink(path, dt.Name)
return nil
default:
return ErrInvalidDist
}
}
// CreateStable creates a new stable where distributions and servers
// can be created.
func CreateStable(path string) (*Stable, error) {
stable, err := newStable(path)
if err != nil {
return nil, err
}
log.Infof("Creating stable in %q", stable.Root)
if err := stable.setup(); err != nil {
return nil, err
}
if err := stable.WriteConfig(); err != nil {
return nil, err
}
return stable, nil
}
func (stable *Stable) Destroy() error {
log.Infof("Destroying stable in %q", stable.Root)
return stable.teardown()
}
func (stable *Stable) teardown() error {
log.Infof("Destroying stable in %q\n", stable.Root)
return os.RemoveAll(stable.Root)
}