1 files changed, 0 insertions, 86 deletions
diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/linux/loopback.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/linux/loopback.py
deleted file mode 100644
index 1d6ae6f..0000000
--- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/linux/loopback.py
+++ /dev/null
@@ -1,86 +0,0 @@
-# Copyright 2014-2015 Canonical Limited.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#  http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import os
-import re
-from subprocess import (
-    check_call,
-    check_output,
-)
-
-import six
-
-
-##################################################
-# loopback device helpers.
-##################################################
-def loopback_devices():
-    '''
-    Parse through 'losetup -a' output to determine currently mapped
-    loopback devices. Output is expected to look like:
-
-        /dev/loop0: [0807]:961814 (/tmp/my.img)
-
-    :returns: dict: a dict mapping {loopback_dev: backing_file}
-    '''
-    loopbacks = {}
-    cmd = ['losetup', '-a']
-    devs = [d.strip().split(' ') for d in
-            check_output(cmd).splitlines() if d != '']
-    for dev, _, f in devs:
-        loopbacks[dev.replace(':', '')] = re.search('\((\S+)\)', f).groups()[0]
-    return loopbacks
-
-
-def create_loopback(file_path):
-    '''
-    Create a loopback device for a given backing file.
-
-    :returns: str: Full path to new loopback device (eg, /dev/loop0)
-    '''
-    file_path = os.path.abspath(file_path)
-    check_call(['losetup', '--find', file_path])
-    for d, f in six.iteritems(loopback_devices()):
-        if f == file_path:
-            return d
-
-
-def ensure_loopback_device(path, size):
-    '''
-    Ensure a loopback device exists for a given backing file path and size.
-    If it a loopback device is not mapped to file, a new one will be created.
-
-    TODO: Confirm size of found loopback device.
-
-    :returns: str: Full path to the ensured loopback device (eg, /dev/loop0)
-    '''
-    for d, f in six.iteritems(loopback_devices()):
-        if f == path:
-            return d
-
-    if not os.path.exists(path):
-        cmd = ['truncate', '--size', size, path]
-        check_call(cmd)
-
-    return create_loopback(path)
-
-
-def is_mapped_loopback_device(device):
-    """
-    Checks if a given device name is an existing/mapped loopback device.
-    :param device: str: Full path to the device (eg, /dev/loop1).
-    :returns: str: Path to the backing file if is a loopback device
-    empty string otherwise
-    """
-    return loopback_devices().get(device, "")