71
# Import modules from the website is tricky since they're in the www
73
sys.path.append(os.path.join(os.getcwd(), 'lib'))
75
import common.makeuser
77
# Determine which Python version (2.4 or 2.5, for example) we are running,
78
# and use that as the filename to the Python directory.
79
# Just get the first 3 characters of sys.version.
80
PYTHON_VERSION = sys.version[0:3]
82
# Operating system files to copy over into the jail.
83
# These will be copied from the given place on the OS file system into the
84
# same place within the jail.
87
'/lib/tls/i686/cmov/libc.so.6',
88
'/lib/tls/i686/cmov/libdl.so.2',
89
'/lib/tls/i686/cmov/libm.so.6',
90
'/lib/tls/i686/cmov/libpthread.so.0',
91
'/lib/tls/i686/cmov/libutil.so.1',
94
# These 2 files do not exist in Ubuntu
95
#'/etc/ld.so.preload',
96
#'/etc/ld.so.nohwcap',
102
'/usr/bin/python%s' % PYTHON_VERSION,
103
# Needed by matplotlib
104
'/usr/lib/i686/cmov/libssl.so.0.9.8',
105
'/usr/lib/i686/cmov/libcrypto.so.0.9.8',
106
'/lib/tls/i686/cmov/libnsl.so.1',
107
'/usr/lib/libz.so.1',
108
'/usr/lib/atlas/liblapack.so.3',
109
'/usr/lib/atlas/libblas.so.3',
110
'/usr/lib/libg2c.so.0',
111
'/usr/lib/libstdc++.so.6',
112
'/usr/lib/libfreetype.so.6',
113
'/usr/lib/libpng12.so.0',
114
'/usr/lib/libBLT.2.4.so.8.4',
115
'/usr/lib/libtk8.4.so.0',
116
'/usr/lib/libtcl8.4.so.0',
117
'/usr/lib/tcl8.4/init.tcl',
118
'/usr/lib/libX11.so.6',
119
'/usr/lib/libXau.so.6',
120
'/usr/lib/libXdmcp.so.6',
121
'/lib/libgcc_s.so.1',
124
# Symlinks to make within the jail. Src mapped to dst.
126
'python%s' % PYTHON_VERSION: 'jail/usr/bin/python',
128
# Trees to copy. Src mapped to dst (these will be passed to action_copytree).
130
'/usr/lib/python%s' % PYTHON_VERSION:
131
'jail/usr/lib/python%s' % PYTHON_VERSION,
132
'/usr/share/matplotlib': 'jail/usr/share/matplotlib',
133
'/etc/ld.so.conf.d': 'jail/etc/ld.so.conf.d',
137
"""A configuration option; one of the things written to conf.py."""
138
def __init__(self, option_name, default, prompt, comment):
139
"""Creates a configuration option.
140
option_name: Name of the variable in conf.py. Also name of the
141
command-line argument to setup.py conf.
142
default: Default value for this variable.
143
prompt: (Short) string presented during the interactive prompt in
145
comment: (Long) comment string stored in conf.py. Each line of this
146
string should begin with a '#'.
148
self.option_name = option_name
149
self.default = default
151
self.comment = comment
153
# Configuration options, defaults and descriptions
155
config_options.append(ConfigOption("root_dir", "/ivle",
156
"""Root directory where IVLE is located (in URL space):""",
158
# In URL space, where in the site is IVLE located. (All URLs will be prefixed
160
# eg. "/" or "/ivle"."""))
161
config_options.append(ConfigOption("ivle_install_dir", "/opt/ivle",
162
'Root directory where IVLE will be installed (on the local file '
165
# In the local file system, where IVLE is actually installed.
166
# This directory should contain the "www" and "bin" directories."""))
167
config_options.append(ConfigOption("jail_base", "/home/informatics/jails",
168
"""Root directory where the jails (containing user files) are stored
169
(on the local file system):""",
171
# In the local file system, where are the student/user file spaces located.
172
# The user jails are expected to be located immediately in subdirectories of
173
# this location."""))
174
config_options.append(ConfigOption("subjects_base",
175
"/home/informatics/subjects",
176
"""Root directory where the subject directories (containing worksheets
177
and other per-subject files) are stored (on the local file system):""",
179
# In the local file system, where are the per-subject file spaces located.
180
# The individual subject directories are expected to be located immediately
181
# in subdirectories of this location."""))
182
config_options.append(ConfigOption("problems_base",
183
"/home/informatics/problems",
184
"""Root directory where the problem directories (containing
185
subject-independent problem sheets) are stored (on the local file
188
# In the local file system, where are the subject-independent problem sheet
189
# file spaces located."""))
190
config_options.append(ConfigOption("public_host", "public.localhost",
191
"""Hostname which will cause the server to go into "public mode",
192
providing login-free access to student's published work:""",
194
# The server goes into "public mode" if the browser sends a request with this
195
# host. This is for security reasons - we only serve public student files on a
196
# separate domain to the main IVLE site.
197
# Public mode does not use cookies, and serves only public content.
198
# Private mode (normal mode) requires login, and only serves files relevant to
199
# the logged-in user."""))
200
config_options.append(ConfigOption("allowed_uids", "33",
201
"""UID of the web server process which will run IVLE.
202
Only this user may execute the trampoline. May specify multiple users as
203
a comma-separated list.
206
# The User-ID of the web server process which will run IVLE, and any other
207
# users who are allowed to run the trampoline. This is stores as a string of
208
# comma-separated integers, simply because it is not used within Python, only
209
# used by the setup program to write to conf.h (see setup.py config)."""))
210
config_options.append(ConfigOption("db_host", "localhost",
211
"""PostgreSQL Database config
212
==========================
213
Hostname of the DB server:""",
215
### PostgreSQL Database config ###
216
# Database server hostname"""))
217
config_options.append(ConfigOption("db_port", "5432",
218
"""Port of the DB server:""",
220
# Database server port"""))
221
config_options.append(ConfigOption("db_dbname", "ivle",
222
"""Database name:""",
225
config_options.append(ConfigOption("db_user", "postgres",
226
"""Username for DB server login:""",
228
# Database username"""))
229
config_options.append(ConfigOption("db_password", "",
230
"""Password for DB server login:
231
(Caution: This password is stored in plaintext in lib/conf/conf.py)""",
233
# Database password"""))
71
235
# Try importing existing conf, but if we can't just set up defaults
72
236
# The reason for this is that these settings are used by other phases
73
237
# of setup besides conf, so we need to know them.
74
238
# Also this allows you to hit Return to accept the existing value.
76
confmodule = __import__("www/conf/conf")
78
root_dir = confmodule.root_dir
82
ivle_install_dir = confmodule.ivle_install_dir
84
ivle_install_dir = "/opt/ivle"
86
jail_base = confmodule.jail_base
88
jail_base = "/home/informatics/jails"
240
confmodule = __import__("lib/conf/conf")
241
for opt in config_options:
243
globals()[opt.option_name] = confmodule.__dict__[opt.option_name]
245
globals()[opt.option_name] = opt.default
89
246
except ImportError:
90
247
# Just set reasonable defaults
92
ivle_install_dir = "/opt/ivle"
93
jail_base = "/home/informatics/jails"
248
for opt in config_options:
249
globals()[opt.option_name] = opt.default
97
251
# Try importing install_list, but don't fail if we can't, because listmake can
98
252
# function without it.
342
529
# If EOF is encountered at any time during the questioning, just exit
345
root_dir = query_user(root_dir,
346
"""Root directory where IVLE is located (in URL space):""")
347
ivle_install_dir = query_user(ivle_install_dir,
348
'Root directory where IVLE will be installed (on the local file '
350
jail_base = query_user(jail_base,
351
"""Root directory where the jails (containing user files) are stored
352
(on the local file system):""")
353
allowed_uids = query_user(allowed_uids,
354
"""UID of the web server process which will run IVLE.
355
Only this user may execute the trampoline. May specify multiple users as
356
a comma-separated list.
532
for opt in config_options:
533
globals()[opt.option_name] = \
534
query_user(globals()[opt.option_name], opt.prompt)
360
536
opts = dict(opts)
361
537
# Non-interactive mode. Parse the options.
362
if '--root_dir' in opts:
363
root_dir = opts['--root_dir']
364
if '--ivle_install_dir' in opts:
365
ivle_install_dir = opts['--ivle_install_dir']
366
if '--jail_base' in opts:
367
jail_base = opts['--jail_base']
368
if '--allowed_uids' in opts:
369
allowed_uids = opts['--allowed_uids']
538
for opt in config_options:
539
if '--' + opt.option_name in opts:
540
globals()[opt.option_name] = opts['--' + opt.option_name]
371
542
# Error handling on input values
373
allowed_uids = map(int, allowed_uids.split(','))
544
allowed_uids_list = map(int, allowed_uids.split(','))
374
545
except ValueError:
375
546
print >>sys.stderr, (
376
547
"Invalid UID list (%s).\n"
377
548
"Must be a comma-separated list of integers." % allowed_uids)
551
db_port = int(db_port)
552
if db_port < 0 or db_port >= 65536: raise ValueError()
554
print >>sys.stderr, (
555
"Invalid DB port (%s).\n"
556
"Must be an integer between 0 and 65535." % repr(db_port))
380
# Write www/conf/conf.py
559
# Write lib/conf/conf.py
383
562
conf = open(conffile, "w")
522
694
# chown trampoline to root and set setuid bit
523
695
action_chown_setuid(tramppath, dry)
525
# Copy the www directory using the list
697
# Copy the www and lib directories using the list
526
698
action_copylist(install_list.list_www, ivle_install_dir, dry)
699
action_copylist(install_list.list_lib, ivle_install_dir, dry)
529
702
# Copy the local jail directory built by the build action
530
703
# to the jails template directory (it will be used as a template
531
704
# for all the students' jails).
532
705
action_copytree('jail', os.path.join(jail_base, 'template'), dry)
707
# Copy the subjects and problems directories across
708
action_copylist(install_list.list_subjects, subjects_base, dry,
710
action_copylist(install_list.list_problems, problems_base, dry,
713
# Append IVLE path to ivle.pth in python site packages
714
# (Unless it's already there)
715
ivle_pth = os.path.join(sys.prefix,
716
"lib/python%s/site-packages/ivle.pth" % PYTHON_VERSION)
717
ivle_www = os.path.join(ivle_install_dir, "www")
718
ivle_lib = os.path.join(ivle_install_dir, "lib")
719
write_ivle_pth = True
720
write_ivle_lib_pth = True
722
file = open(ivle_pth, 'r')
724
if line.strip() == ivle_www:
725
write_ivle_pth = False
726
elif line.strip() == ivle_lib:
727
write_ivle_lib_pth = False
729
except (IOError, OSError):
732
action_append(ivle_pth, ivle_www)
733
if write_ivle_lib_pth:
734
action_append(ivle_pth, ivle_lib)
738
def updatejails(args):
739
# Get "dry" variable from command line
740
(opts, args) = getopt.gnu_getopt(args, "n", ['dry'])
742
dry = '-n' in opts or '--dry' in opts
745
print "Dry run (no actions will be executed\n"
747
if not dry and os.geteuid() != 0:
748
print >>sys.stderr, "Must be root to run install"
749
print >>sys.stderr, "(I need to chown some files)."
752
# Update the template jail directory in case it hasn't been installed
754
action_copytree('jail', os.path.join(jail_base, 'template'), dry)
756
# Re-link all the files in all students jails.
757
for dir in os.listdir(jail_base):
758
if dir == 'template': continue
759
# First back up the student's home directory
760
temp_home = os.tmpnam()
761
action_rename(os.path.join(jail_base, dir, 'home'), temp_home, dry)
762
# Delete the student's jail and relink the jail files
763
action_linktree(os.path.join(jail_base, 'template'),
764
os.path.join(jail_base, dir), dry)
765
# Restore the student's home directory
766
action_rename(temp_home, os.path.join(jail_base, dir, 'home'), dry)
767
# Set up the user's home directory just in case they don't have a
768
# directory for this yet
769
action_mkdir(os.path.join(jail_base, dir, 'home', dir), dry)