realpath = "/home/machines/"
class ConsoleFS(routefs.RouteFS):
- """
- ConsoleFS creates a series of subdirectories each mirroring the same real
- directory, except for a single file - the .k5login - which is dynamically
- generated for each subdirectory
- """
-
- def __init__(self, *args, **kw):
- """Initialize the filesystem and set it to allow_other access besides
- the user who mounts the filesystem (i.e. root)
- """
- super(ConsoleFS, self).__init__(*args, **kw)
- self.lasttime = 0
- self.machines = []
- self.fuse_args.add("allow_other", True)
-
- openlog('invirt-consolefs ', LOG_PID, LOG_DAEMON)
-
- syslog(LOG_DEBUG, 'Init complete.')
-
- def make_map(self):
- m = Mapper()
- m.connect('', controller='getMachines')
- m.connect(':machine', controller='getMirror')
- m.connect(':machine/.k5login', controller='getK5login')
- m.connect(':machine/*(path)', controller='getMirror')
- return m
-
- def recache(self):
- if time() - self.lasttime > 5:
- self.lasttime = time()
- database.clear_cache()
- self.machines = dict((machine.name, machine) for machine in database.session.query(database.Machine).all())
+ """
+ ConsoleFS creates a series of subdirectories each mirroring the same real
+ directory, except for a single file - the .k5login - which is dynamically
+ generated for each subdirectory
+ """
+
+ def __init__(self, *args, **kw):
+ """Initialize the filesystem and set it to allow_other access besides
+ the user who mounts the filesystem (i.e. root)
+ """
+ super(ConsoleFS, self).__init__(*args, **kw)
+ self.lasttime = 0
+ self.machines = []
+ self.fuse_args.add("allow_other", True)
+
+ openlog('invirt-consolefs ', LOG_PID, LOG_DAEMON)
+
+ syslog(LOG_DEBUG, 'Init complete.')
+
+ def make_map(self):
+ m = Mapper()
+ m.connect('', controller='getMachines')
+ m.connect(':machine', controller='getMirror')
+ m.connect(':machine/.k5login', controller='getK5login')
+ m.connect(':machine/*(path)', controller='getMirror')
+ return m
+
+ def recache(self):
+ if time() - self.lasttime > 5:
+ self.lasttime = time()
+ database.clear_cache()
+ self.machines = dict((machine.name, machine) for machine in database.session.query(database.Machine).all())
- def getMachines(self, **kw):
- self.recache()
- return self.machines.keys()
-
- def getMirror(self, machine, path='', **kw):
- """Translate the path into its realpath equivalent, and return that
- """
- real = realpath + path
- if os.path.isdir(real):
- # The list is converted to a set so that we can handle the case
- # where there is already a .k5login in the realpath gracefully
- return routefs.Directory(set(os.listdir(real) + ['.k5login']))
- elif os.path.islink(real):
- return routefs.Symlink(os.readlink(real))
- elif os.path.isfile(real):
- return open(real).read()
- else:
- return -errno.EINVAL
-
- def getK5login(self, machine, **kw):
- self.recache()
- machine = self.machines[machine]
- users = [acl.user for acl in machine.acl]
- return "\n".join(map(self.userToPrinc, users) + [''])
-
- def mirrorPath(self, path):
- """Translate a virtual path to its real path counterpart"""
- return realpath + "/".join(getParts(path)[1:])
-
- def userToPrinc(self, user):
- """Convert Kerberos v4-style names to v5-style and append a default
- realm if none is specified
- """
- if '@' in user:
- (princ, realm) = user.split('@')
- else:
- princ = user
- realm = config.authn[0].realm
-
- return princ.replace('.', '/') + '@' + realm
+ def getMachines(self, **kw):
+ self.recache()
+ return self.machines.keys()
+
+ def getMirror(self, machine, path='', **kw):
+ """Translate the path into its realpath equivalent, and return that
+ """
+ real = realpath + path
+ if os.path.isdir(real):
+ # The list is converted to a set so that we can handle the case
+ # where there is already a .k5login in the realpath gracefully
+ return routefs.Directory(set(os.listdir(real) + ['.k5login']))
+ elif os.path.islink(real):
+ return routefs.Symlink(os.readlink(real))
+ elif os.path.isfile(real):
+ return open(real).read()
+ else:
+ return -errno.EINVAL
+
+ def getK5login(self, machine, **kw):
+ self.recache()
+ machine = self.machines[machine]
+ users = [acl.user for acl in machine.acl]
+ return "\n".join(map(self.userToPrinc, users) + [''])
+
+ def mirrorPath(self, path):
+ """Translate a virtual path to its real path counterpart"""
+ return realpath + "/".join(getParts(path)[1:])
+
+ def userToPrinc(self, user):
+ """Convert Kerberos v4-style names to v5-style and append a default
+ realm if none is specified
+ """
+ if '@' in user:
+ (princ, realm) = user.split('@')
+ else:
+ princ = user
+ realm = config.authn[0].realm
+
+ return princ.replace('.', '/') + '@' + realm
if __name__ == '__main__':
- database.connect()
- routefs.main(ConsoleFS)
+ database.connect()
+ routefs.main(ConsoleFS)