ceph_hooks.py 文件源码

def get_devices():
    devices = []
    if config('osd-devices'):
        for path in config('osd-devices').split(' '):
            path = path.strip()
            # Make sure its a device which is specified using an
            # absolute path so that the current working directory
            # or any relative path under this directory is not used
            if os.path.isabs(path):
                devices.append(os.path.realpath(path))

    # List storage instances for the 'osd-devices'
    # store declared for this charm too, and add
    # their block device paths to the list.
    storage_ids = storage_list('osd-devices')
    devices.extend((storage_get('location', s) for s in storage_ids))

    # Filter out any devices in the action managed unit-local device blacklist
    _blacklist = get_blacklist()
    return [device for device in devices if device not in _blacklist]