1 # Copyright 2012 GRNET S.A. All rights reserved.
3 # Redistribution and use in source and binary forms, with or
4 # without modification, are permitted provided that the following
7 # 1. Redistributions of source code must retain the above
8 # copyright notice, this list of conditions and the following
11 # 2. Redistributions in binary form must reproduce the above
12 # copyright notice, this list of conditions and the following
13 # disclaimer in the documentation and/or other materials
14 # provided with the distribution.
16 # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
17 # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
20 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
23 # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
24 # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
26 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 # POSSIBILITY OF SUCH DAMAGE.
29 # The views and conclusions contained in the software and
30 # documentation are those of the authors and should not be
31 # interpreted as representing official policies, either expressed
32 # or implied, of GRNET S.A.
34 from image_creator.util import output
39 def add_prefix(target):
40 def wrapper(self, *args):
42 return map(lambda x: prefix + x, target(self, *args))
45 def exclude_task(func):
50 """Basic operating system class"""
51 def __init__(self, rootdev, ghandler):
56 def ls(self, directory):
57 """List the name of all files under a directory"""
58 return self.g.ls(directory)
61 def find(self, directory):
62 """List the name of all files recursively under a directory"""
63 return self.g.find(directory)
65 def foreach_file(self, directory, action, **kargs):
66 """Perform an action recursively on all files under a directory.
68 The following options are allowed:
70 * maxdepth: If defined the action will not be performed on
71 files that are below this level of directories under the
74 * ftype: The action will only be performed on files of this
75 type. For a list of all allowed filetypes, see here:
76 http://libguestfs.org/guestfs.3.html#guestfs_readdir
78 * exclude: Exclude all files that follow this pattern.
80 maxdepth = None if 'maxdepth' not in kargs else kargs['maxdepth']
85 maxdepth = None if maxdepth is None else maxdepth - 1
86 kargs['maxdepth'] = maxdepth
88 exclude = None if 'exclude' not in kargs else kargs['exclude']
89 ftype = None if 'ftype' not in kargs else kargs['ftype']
90 has_ftype = lambda x, y: y is None and True or x['ftyp'] == y
92 for f in self.g.readdir(directory):
93 if f['name'] in ('.', '..'):
96 full_path = "%s/%s" % (directory, f['name'])
98 if exclude and re.match(exclude, full_path):
101 if has_ftype(f, 'd'):
102 self.foreach_file(full_path, action, **kargs)
104 if has_ftype(f, ftype):
107 def get_metadata(self):
108 """Returns some descriptive metadata about the OS."""
110 meta['ROOT_PARTITION'] = "%d" % self.g.part_to_partnum(self.root)
111 meta['OSFAMILY'] = self.g.inspect_get_type(self.root)
112 meta['OS'] = self.g.inspect_get_distro(self.root)
113 meta['DESCRIPTION'] = self.g.inspect_get_product_name(self.root)
117 def data_cleanup(self):
118 """Cleanup sensitive data out of the OS image."""
120 output('Cleaning up sensitive data out of the OS image:')
122 tasks, _ = self.list_data_cleanup()
127 output(('(%d/%d)' % (cnt, size)).ljust(7), False)
132 """Prepere system for image creation."""
134 output('Preparing system for image creation:')
136 tasks, _ = self.list_sysprep()
141 output(('(%d/%d)' % (cnt, size)).ljust(7), False)
145 def list_sysprep(self):
146 """List all sysprep actions"""
148 is_sysprep = lambda x: x.startswith('sysprep_') and \
149 callable(getattr(self, x))
150 tasks = [getattr(self, x) for x in dir(self) if is_sysprep(x)]
152 included = [t for t in tasks if not getattr(t, "excluded", False)]
153 excluded = [t for t in tasks if getattr(t, "excluded", False)]
155 return included, excluded
157 def list_data_cleanup(self):
158 """List all data_cleanup actions"""
160 is_cleanup = lambda x: x.startswith('data_cleanup_') and \
161 callable(getattr(self, x))
162 tasks = [getattr(self, x) for x in dir(self) if is_cleanup(x)]
164 included = [t for t in tasks if not getattr(t, "excluded", False)]
165 excluded = [t for t in tasks if getattr(t, "excluded", False)]
167 return included, excluded
169 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :