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
176
177
178
179
180
181
182
183
184
|
#!/usr/bin/env python
#
# Copyright (C) 2012 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 cliapp
import logging
import os
import urllib
from bottle import Bottle, request, response, run, static_file
from morphcacheserver.repocache import RepoCache
defaults = {
'repo-dir': '/var/cache/morph-cache-server/gits',
'bundle-dir': '/var/cache/morph-cache-server/bundles',
'artifact-dir': '/var/cache/morph-cache-server/artifacts',
'port': 8080,
}
class MorphCacheServer(cliapp.Application):
def add_settings(self):
self.settings.integer(['port'],
'port to listen on',
metavar='PORTNUM',
default=defaults['port'])
self.settings.string(['repo-dir'],
'path to the repository cache directory',
metavar='PATH',
default=defaults['repo-dir'])
self.settings.string(['bundle-dir'],
'path to the bundle cache directory',
metavar='PATH',
default=defaults['bundle-dir'])
self.settings.string(['artifact-dir'],
'path to the artifact cache directory',
metavar='PATH',
default=defaults['artifact-dir'])
self.settings.boolean(['direct-mode'],
'cache directories are directly managed')
self.settings.boolean(['enable-writes'],
'enable the write methods (fetch and delete)')
def process_args(self, args):
app = Bottle()
repo_cache = RepoCache(self,
self.settings['repo-dir'],
self.settings['bundle-dir'],
self.settings['direct-mode'])
def writable(prefix):
"""Selectively enable bottle prefixes.
prefix -- The path prefix we are enabling
If the runtime configuration setting --enable-writes is provided
then we return the app.get() decorator for the given path prefix
otherwise we return a lambda which passes the function through
undecorated.
This has the effect of being a runtime-enablable @app.get(...)
"""
if self.settings['enable-writes']:
return app.get(prefix)
return lambda fn: fn
@writable('/list')
def list():
response.set_header('Cache-Control', 'no-cache')
results = {}
files = {}
results["files"] = files
for artifactdir, __, filenames in \
os.walk(self.settings['artifact-dir']):
fsstinfo = os.statvfs(artifactdir)
results["freespace"] = fsstinfo.f_bsize * fsstinfo.f_bavail
for fname in filenames:
try:
stinfo = os.stat("%s/%s" % (artifactdir, fname))
files[fname] = {
"atime": stinfo.st_atime,
"size": stinfo.st_size,
"used": stinfo.st_blocks * 512,
}
except Exception, e:
print(e)
return results
@app.get('/sha1s')
def sha1():
repo = self._unescape_parameter(request.query.repo)
ref = self._unescape_parameter(request.query.ref)
try:
response.set_header('Cache-Control', 'no-cache')
sha1, tree = repo_cache.resolve_ref(repo, ref)
return {
'repo': '%s' % repo,
'ref': '%s' % ref,
'sha1': '%s' % sha1,
'tree': '%s' % tree
}
except Exception, e:
response.status = 404
logging.debug('%s' % e)
@app.get('/files')
def file():
repo = self._unescape_parameter(request.query.repo)
ref = self._unescape_parameter(request.query.ref)
filename = self._unescape_parameter(request.query.filename)
try:
content = repo_cache.cat_file(repo, ref, filename)
response.set_header('Content-Type', 'application/octet-stream')
return content
except Exception, e:
response.status = 404
logging.debug('%s' % e)
@app.get('/trees')
def tree():
repo = self._unescape_parameter(request.query.repo)
ref = self._unescape_parameter(request.query.ref)
path = self._unescape_parameter(request.query.path)
try:
tree = repo_cache.ls_tree(repo, ref, path)
return {
'repo': '%s' % repo,
'ref': '%s' % ref,
'tree': tree,
}
except Exception, e:
response.status = 404
logging.debug('%s' % e)
@app.get('/bundles')
def bundle():
repo = self._unescape_parameter(request.query.repo)
filename = repo_cache.get_bundle_filename(repo)
dirname = os.path.dirname(filename)
basename = os.path.basename(filename)
return static_file(basename, root=dirname, download=True)
@app.get('/artifacts')
def artifact():
basename = self._unescape_parameter(request.query.filename)
filename = os.path.join(self.settings['artifact-dir'], basename)
if os.path.exists(filename):
return static_file(basename,
root=self.settings['artifact-dir'],
download=True)
else:
response.status = 404
logging.debug('artifact %s does not exist' % basename)
root = Bottle()
root.mount(app, '/1.0')
run(root, host='0.0.0.0', port=self.settings['port'], reloader=True)
def _unescape_parameter(self, param):
return urllib.unquote(param)
if __name__ == '__main__':
MorphCacheServer().run()
|
