1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
# Copyright (C) 2012-2013 Codethink Limited
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import morphlib
import cliapp
class MorphologyFactoryError(cliapp.AppException):
pass
class AutodetectError(MorphologyFactoryError):
def __init__(self, repo_name, ref, filename):
MorphologyFactoryError.__init__(
self, "Failed to determine the build system of repo %s at "
"ref %s: was looking for %s" % (repo_name, ref, filename))
class NotcachedError(MorphologyFactoryError):
def __init__(self, repo_name):
MorphologyFactoryError.__init__(
self, "Repository %s is not cached locally and there is no "
"remote cache specified" % repo_name)
class StratumError(MorphologyFactoryError):
pass
class NoChunkBuildDependsError(StratumError):
def __init__(self, stratum, chunk):
StratumError.__init__(
self, 'No build dependencies in stratum %s for chunk %s '
'(build-depends is a mandatory field)' % (stratum, chunk))
class EmptyStratumError(StratumError):
def __init__(self, stratum):
cliapp.AppException.__init__(self,
"Stratum %s is empty (has no dependencies)" % stratum)
class NoStratumBuildDependsError(StratumError):
def __init__(self, stratum):
StratumError.__init__(
self, 'Stratum %s has no build-dependencies listed '
'and has no bootstrap chunks.' % stratum)
class MorphologyFactory(object):
'''An way of creating morphologies which will provide a default'''
def __init__(self, local_repo_cache, remote_repo_cache=None, app=None):
self._lrc = local_repo_cache
self._rrc = remote_repo_cache
self._app = app
def status(self, *args, **kwargs): # pragma: no cover
if self._app is not None:
self._app.status(*args, **kwargs)
def get_morphology(self, reponame, sha1, filename):
text = None
if self._lrc.has_repo(reponame):
repo = self._lrc.get_repo(reponame)
file_list = repo.ls_tree(sha1)
if filename in file_list:
text = repo.cat(sha1, filename)
elif self._rrc is not None:
file_list = self._rrc.ls_tree(reponame, sha1)
if filename in file_list:
self.status(msg="Retrieving %(reponame)s %(sha1)s %(filename)s"
" from the remote artifact cache.",
reponame=reponame, sha1=sha1, filename=filename,
chatty=True)
text = self._rrc.cat_file(reponame, sha1, filename)
else:
raise NotcachedError(reponame)
if text is None:
bs = morphlib.buildsystem.detect_build_system(file_list)
if bs is None:
raise AutodetectError(reponame, sha1, filename)
# TODO consider changing how morphs are located to be by morph
# name rather than filename, it would save creating a
# filename only to strip it back to its morph name again
# and would allow future changes like morphologies being
# stored as git metadata instead of as a file in the repo
morph_name = filename[:-len('.morph')]
text = bs.get_morphology_text(morph_name)
try:
morphology = morphlib.morph2.Morphology(text)
except morphlib.YAMLError as e: # pragma: no cover
raise morphlib.Error("Error parsing %s: %s" %
(filename, str(e)))
if filename != morphology['name'] + '.morph':
raise morphlib.Error(
"Name %s does not match basename of morphology file %s" %
(morphology['name'], filename))
method_name = '_check_and_tweak_%s' % morphology['kind']
if hasattr(self, method_name):
method = getattr(self, method_name)
method(morphology, reponame, sha1, filename)
return morphology
def _check_and_tweak_system(self, morphology, reponame, sha1, filename):
'''Check and tweak a system morphology.'''
if morphology['arch'] is None: # pragma: no cover
raise morphlib.Error('No arch specified in system %s '
'(arch is a mandatory field)' %
filename)
if morphology['arch'] == 'armv7':
morphology._dict['arch'] = 'armv7l'
if morphology['arch'] not in morphlib.valid_archs:
raise morphlib.Error('Unknown arch %s. This version of Morph '
'supports the following architectures: %s' %
(morphology['arch'],
', '.join(morphlib.valid_archs)))
name = morphology['name']
morphology.builds_artifacts = [name + '-rootfs']
morphology.needs_artifact_metadata_cached = False
def _check_and_tweak_stratum(self, morphology, reponame, sha1, filename):
'''Check and tweak a stratum morphology.'''
if len(morphology['chunks']) == 0:
raise EmptyStratumError(morphology['name'])
for source in morphology['chunks']:
if source.get('build-depends', None) is None:
name = source.get('name', source.get('repo', 'unknown'))
raise NoChunkBuildDependsError(filename, name)
if (len(morphology['build-depends'] or []) == 0 and
not any(c.get('build-mode') in ('bootstrap', 'test')
for c in morphology['chunks'])):
raise NoStratumBuildDependsError(filename)
morphology.builds_artifacts = [morphology['name']]
morphology.needs_artifact_metadata_cached = True
def _check_and_tweak_chunk(self, morphology, reponame, sha1, filename):
'''Check and tweak a chunk morphology.'''
if 'chunks' in morphology and len(morphology['chunks']) > 1:
morphology.builds_artifacts = morphology['chunks'].keys()
else:
morphology.builds_artifacts = [morphology['name']]
morphology.needs_artifact_metadata_cached = False
|
