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# Symlinks to make within the jail. Src mapped to dst.
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'python2.5': 'jail/usr/bin/python',
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'python%s' % PYTHON_VERSION: 'jail/usr/bin/python',
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# Trees to copy. Src mapped to dst (these will be passed to action_copytree).
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JAIL_COPYTREES = {
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'/usr/lib/python2.5': 'jail/usr/lib/python2.5',
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'/usr/lib/python%s' % PYTHON_VERSION:
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'jail/usr/lib/python%s' % PYTHON_VERSION,
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'/usr/share/matplotlib': 'jail/usr/share/matplotlib',
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133
'/etc/ld.so.conf.d': 'jail/etc/ld.so.conf.d',
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"""A configuration option; one of the things written to conf.py."""
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def __init__(self, option_name, default, prompt, comment):
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"""Creates a configuration option.
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option_name: Name of the variable in conf.py. Also name of the
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command-line argument to setup.py conf.
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default: Default value for this variable.
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prompt: (Short) string presented during the interactive prompt in
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comment: (Long) comment string stored in conf.py. Each line of this
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string should begin with a '#'.
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self.option_name = option_name
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self.default = default
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self.comment = comment
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# Configuration options, defaults and descriptions
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config_options.append(ConfigOption("root_dir", "/ivle",
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"""Root directory where IVLE is located (in URL space):""",
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# In URL space, where in the site is IVLE located. (All URLs will be prefixed
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# eg. "/" or "/ivle"."""))
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config_options.append(ConfigOption("ivle_install_dir", "/opt/ivle",
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'Root directory where IVLE will be installed (on the local file '
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# In the local file system, where IVLE is actually installed.
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# This directory should contain the "www" and "bin" directories."""))
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config_options.append(ConfigOption("jail_base", "/home/informatics/jails",
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"""Root directory where the jails (containing user files) are stored
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(on the local file system):""",
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# In the local file system, where are the student/user file spaces located.
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# The user jails are expected to be located immediately in subdirectories of
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# this location."""))
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config_options.append(ConfigOption("subjects_base",
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"/home/informatics/subjects",
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"""Root directory where the subject directories (containing worksheets
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and other per-subject files) are stored (on the local file system):""",
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# In the local file system, where are the per-subject file spaces located.
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# The individual subject directories are expected to be located immediately
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# in subdirectories of this location."""))
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config_options.append(ConfigOption("public_host", "public.localhost",
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"""Hostname which will cause the server to go into "public mode",
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providing login-free access to student's published work:""",
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# The server goes into "public mode" if the browser sends a request with this
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# host. This is for security reasons - we only serve public student files on a
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# separate domain to the main IVLE site.
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# Public mode does not use cookies, and serves only public content.
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# Private mode (normal mode) requires login, and only serves files relevant to
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# the logged-in user."""))
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config_options.append(ConfigOption("allowed_uids", "33",
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"""UID of the web server process which will run IVLE.
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Only this user may execute the trampoline. May specify multiple users as
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a comma-separated list.
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# The User-ID of the web server process which will run IVLE, and any other
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# users who are allowed to run the trampoline. This is stores as a string of
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# comma-separated integers, simply because it is not used within Python, only
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# used by the setup program to write to conf.h (see setup.py config)."""))
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config_options.append(ConfigOption("db_host", "localhost",
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"""PostgreSQL Database config
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==========================
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Hostname of the DB server:""",
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### PostgreSQL Database config ###
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# Database server hostname"""))
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config_options.append(ConfigOption("db_port", "5432",
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"""Port of the DB server:""",
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# Database server port"""))
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config_options.append(ConfigOption("db_dbname", "ivle",
214
"""Database name:""",
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config_options.append(ConfigOption("db_user", "postgres",
218
"""Username for DB server login:""",
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# Database username"""))
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config_options.append(ConfigOption("db_password", "",
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"""Password for DB server login:
223
(Caution: This password is stored in plaintext in www/conf/conf.py)""",
225
# Database password"""))
130
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# Try importing existing conf, but if we can't just set up defaults
131
228
# The reason for this is that these settings are used by other phases
132
229
# of setup besides conf, so we need to know them.
133
230
# Also this allows you to hit Return to accept the existing value.
135
232
confmodule = __import__("www/conf/conf")
137
root_dir = confmodule.root_dir
141
ivle_install_dir = confmodule.ivle_install_dir
143
ivle_install_dir = "/opt/ivle"
145
jail_base = confmodule.jail_base
147
jail_base = "/home/informatics/jails"
233
for opt in config_options:
235
globals()[opt.option_name] = confmodule.__dict__[opt.option_name]
237
globals()[opt.option_name] = opt.default
148
238
except ImportError:
149
239
# Just set reasonable defaults
151
ivle_install_dir = "/opt/ivle"
152
jail_base = "/home/informatics/jails"
240
for opt in config_options:
241
globals()[opt.option_name] = opt.default
156
243
# Try importing install_list, but don't fail if we can't, because listmake can
157
244
# function without it.
409
510
# If EOF is encountered at any time during the questioning, just exit
412
root_dir = query_user(root_dir,
413
"""Root directory where IVLE is located (in URL space):""")
414
ivle_install_dir = query_user(ivle_install_dir,
415
'Root directory where IVLE will be installed (on the local file '
417
jail_base = query_user(jail_base,
418
"""Root directory where the jails (containing user files) are stored
419
(on the local file system):""")
420
allowed_uids = query_user(allowed_uids,
421
"""UID of the web server process which will run IVLE.
422
Only this user may execute the trampoline. May specify multiple users as
423
a comma-separated list.
513
for opt in config_options:
514
globals()[opt.option_name] = \
515
query_user(globals()[opt.option_name], opt.prompt)
427
517
opts = dict(opts)
428
518
# Non-interactive mode. Parse the options.
429
if '--root_dir' in opts:
430
root_dir = opts['--root_dir']
431
if '--ivle_install_dir' in opts:
432
ivle_install_dir = opts['--ivle_install_dir']
433
if '--jail_base' in opts:
434
jail_base = opts['--jail_base']
435
if '--allowed_uids' in opts:
436
allowed_uids = opts['--allowed_uids']
519
for opt in config_options:
520
if '--' + opt.option_name in opts:
521
globals()[opt.option_name] = opts['--' + opt.option_name]
438
523
# Error handling on input values
440
allowed_uids = map(int, allowed_uids.split(','))
525
allowed_uids_list = map(int, allowed_uids.split(','))
441
526
except ValueError:
442
527
print >>sys.stderr, (
443
528
"Invalid UID list (%s).\n"
444
529
"Must be a comma-separated list of integers." % allowed_uids)
532
db_port = int(db_port)
533
if db_port < 0 or db_port >= 65536: raise ValueError()
535
print >>sys.stderr, (
536
"Invalid DB port (%s).\n"
537
"Must be an integer between 0 and 65535." % repr(db_port))
447
540
# Write www/conf/conf.py