openstack_upgrade.py 文件源码

def openstack_upgrade():
    """Perform action-managed OpenStack upgrade.

    Upgrades packages to the configured openstack-origin version and sets
    the corresponding action status as a result.

    If the charm was installed from source we cannot upgrade it.
    For backwards compatibility a config flag (action-managed-upgrade) must
    be set for this code to run, otherwise a full service level upgrade will
    fire on config-changed."""

    if (do_action_openstack_upgrade('keystone',
                                    do_openstack_upgrade,
                                    register_configs())):
        os.execl('./hooks/config-changed-postupgrade', '')