def rollback(vhost_path):
""" Updates symlinks: Remove current instance and rename previous to current """
with cd(vhost_path):
if exists('./previous_instance'):
commands.delete('./current_instance')
commands.rename('./previous_instance', './current_instance')
def set_current_instance(vhost_path, instance_path):
""" Delete previous, set current to previous and new to current """
with cd(vhost_path):
commands.delete('./previous_instance')
if exists('./current_instance'):
commands.rename('./current_instance', './previous_instance')
commands.create_symbolic_link(instance_path, './current_instance')
