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-rw-r--r--charms/trusty/contrail-configuration/hooks/charmhelpers/core/fstab.py134
1 files changed, 0 insertions, 134 deletions
diff --git a/charms/trusty/contrail-configuration/hooks/charmhelpers/core/fstab.py b/charms/trusty/contrail-configuration/hooks/charmhelpers/core/fstab.py
deleted file mode 100644
index 3056fba..0000000
--- a/charms/trusty/contrail-configuration/hooks/charmhelpers/core/fstab.py
+++ /dev/null
@@ -1,134 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-# Copyright 2014-2015 Canonical Limited.
-#
-# This file is part of charm-helpers.
-#
-# charm-helpers is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License version 3 as
-# published by the Free Software Foundation.
-#
-# charm-helpers is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public License
-# along with charm-helpers. If not, see <http://www.gnu.org/licenses/>.
-
-import io
-import os
-
-__author__ = 'Jorge Niedbalski R. <jorge.niedbalski@canonical.com>'
-
-
-class Fstab(io.FileIO):
- """This class extends file in order to implement a file reader/writer
- for file `/etc/fstab`
- """
-
- class Entry(object):
- """Entry class represents a non-comment line on the `/etc/fstab` file
- """
- def __init__(self, device, mountpoint, filesystem,
- options, d=0, p=0):
- self.device = device
- self.mountpoint = mountpoint
- self.filesystem = filesystem
-
- if not options:
- options = "defaults"
-
- self.options = options
- self.d = int(d)
- self.p = int(p)
-
- def __eq__(self, o):
- return str(self) == str(o)
-
- def __str__(self):
- return "{} {} {} {} {} {}".format(self.device,
- self.mountpoint,
- self.filesystem,
- self.options,
- self.d,
- self.p)
-
- DEFAULT_PATH = os.path.join(os.path.sep, 'etc', 'fstab')
-
- def __init__(self, path=None):
- if path:
- self._path = path
- else:
- self._path = self.DEFAULT_PATH
- super(Fstab, self).__init__(self._path, 'rb+')
-
- def _hydrate_entry(self, line):
- # NOTE: use split with no arguments to split on any
- # whitespace including tabs
- return Fstab.Entry(*filter(
- lambda x: x not in ('', None),
- line.strip("\n").split()))
-
- @property
- def entries(self):
- self.seek(0)
- for line in self.readlines():
- line = line.decode('us-ascii')
- try:
- if line.strip() and not line.strip().startswith("#"):
- yield self._hydrate_entry(line)
- except ValueError:
- pass
-
- def get_entry_by_attr(self, attr, value):
- for entry in self.entries:
- e_attr = getattr(entry, attr)
- if e_attr == value:
- return entry
- return None
-
- def add_entry(self, entry):
- if self.get_entry_by_attr('device', entry.device):
- return False
-
- self.write((str(entry) + '\n').encode('us-ascii'))
- self.truncate()
- return entry
-
- def remove_entry(self, entry):
- self.seek(0)
-
- lines = [l.decode('us-ascii') for l in self.readlines()]
-
- found = False
- for index, line in enumerate(lines):
- if line.strip() and not line.strip().startswith("#"):
- if self._hydrate_entry(line) == entry:
- found = True
- break
-
- if not found:
- return False
-
- lines.remove(line)
-
- self.seek(0)
- self.write(''.join(lines).encode('us-ascii'))
- self.truncate()
- return True
-
- @classmethod
- def remove_by_mountpoint(cls, mountpoint, path=None):
- fstab = cls(path=path)
- entry = fstab.get_entry_by_attr('mountpoint', mountpoint)
- if entry:
- return fstab.remove_entry(entry)
- return False
-
- @classmethod
- def add(cls, device, mountpoint, filesystem, options=None, path=None):
- return cls(path=path).add_entry(Fstab.Entry(device,
- mountpoint, filesystem,
- options=options))