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#! /usr/bin/python2.6
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
# Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
#
"""This module implements the "zfs userspace" and "zfs groupspace" subcommands.
The only public interface is the zfs.userspace.do_userspace() function."""
import optparse
import sys
import pwd
import grp
import errno
import solaris.misc
import zfs.util
import zfs.ioctl
import zfs.dataset
import zfs.table
_ = zfs.util._
# map from property name prefix -> (field name, isgroup)
props = {
"userused@": ("used", False),
"userquota@": ("quota", False),
"groupused@": ("used", True),
"groupquota@": ("quota", True),
}
def skiptype(options, prop):
"""Return True if this property (eg "userquota@") should be skipped."""
(field, isgroup) = props[prop]
if field not in options.fields:
return True
if isgroup and "posixgroup" not in options.types and \
"smbgroup" not in options.types:
return True
if not isgroup and "posixuser" not in options.types and \
"smbuser" not in options.types:
return True
return False
def new_entry(options, isgroup, domain, rid):
"""Return a dict("field": value) for this domain (string) + rid (int)"""
if domain:
idstr = "%s-%u" % (domain, rid)
else:
idstr = "%u" % rid
(typename, mapfunc) = {
(1, 1): ("SMB Group", lambda id: solaris.misc.sid_to_name(id, 0)),
(1, 0): ("POSIX Group", lambda id: grp.getgrgid(int(id)).gr_name),
(0, 1): ("SMB User", lambda id: solaris.misc.sid_to_name(id, 1)),
(0, 0): ("POSIX User", lambda id: pwd.getpwuid(int(id)).pw_name)
}[isgroup, bool(domain)]
if typename.lower().replace(" ", "") not in options.types:
return None
v = dict()
v["type"] = typename
# python's getpwuid/getgrgid is confused by ephemeral uids
if not options.noname and rid < 1<<31:
try:
v["name"] = mapfunc(idstr)
except KeyError:
pass
if "name" not in v:
v["name"] = idstr
if not domain:
# it's just a number, so pad it with spaces so
# that it will sort numerically
v["name.sort"] = "%20d" % rid
# fill in default values
v["used"] = "0"
v["used.sort"] = 0
v["quota"] = "none"
v["quota.sort"] = 0
return v
def process_one_raw(acct, options, prop, elem):
"""Update the acct dict to incorporate the
information from this elem from Dataset.userspace(prop)."""
(domain, rid, value) = elem
(field, isgroup) = props[prop]
if options.translate and domain:
try:
rid = solaris.misc.sid_to_id("%s-%u" % (domain, rid),
not isgroup)
domain = None
except KeyError:
pass;
key = (isgroup, domain, rid)
try:
v = acct[key]
except KeyError:
v = new_entry(options, isgroup, domain, rid)
if not v:
return
acct[key] = v
# Add our value to an existing value, which may be present if
# options.translate is set.
value = v[field + ".sort"] = value + v[field + ".sort"]
if options.parsable:
v[field] = str(value)
else:
v[field] = zfs.util.nicenum(value)
def do_userspace():
"""Implements the "zfs userspace" and "zfs groupspace" subcommands."""
def usage(msg=None):
parser.print_help()
if msg:
print
parser.exit("zfs: error: " + msg)
else:
parser.exit()
if sys.argv[1] == "userspace":
defaulttypes = "posixuser,smbuser"
else:
defaulttypes = "posixgroup,smbgroup"
fields = ("type", "name", "used", "quota")
rjustfields = ("used", "quota")
types = ("all", "posixuser", "smbuser", "posixgroup", "smbgroup")
u = _("%s [-niHp] [-o field[,...]] [-sS field] ... \n") % sys.argv[1]
u += _(" [-t type[,...]] <filesystem|snapshot>")
parser = optparse.OptionParser(usage=u, prog="zfs")
parser.add_option("-n", action="store_true", dest="noname",
help=_("Print numeric ID instead of user/group name"))
parser.add_option("-i", action="store_true", dest="translate",
help=_("translate SID to posix (possibly ephemeral) ID"))
parser.add_option("-H", action="store_true", dest="noheaders",
help=_("no headers, tab delimited output"))
parser.add_option("-p", action="store_true", dest="parsable",
help=_("exact (parsable) numeric output"))
parser.add_option("-o", dest="fields", metavar="field[,...]",
default="type,name,used,quota",
help=_("print only these fields (eg type,name,used,quota)"))
parser.add_option("-s", dest="sortfields", metavar="field",
type="choice", choices=fields, default=list(),
action="callback", callback=zfs.util.append_with_opt,
help=_("sort field"))
parser.add_option("-S", dest="sortfields", metavar="field",
type="choice", choices=fields, #-s sets the default
action="callback", callback=zfs.util.append_with_opt,
help=_("reverse sort field"))
parser.add_option("-t", dest="types", metavar="type[,...]",
default=defaulttypes,
help=_("print only these types (eg posixuser,smbuser,posixgroup,smbgroup,all)"))
(options, args) = parser.parse_args(sys.argv[2:])
if len(args) != 1:
usage(_("wrong number of arguments"))
dsname = args[0]
options.fields = options.fields.split(",")
for f in options.fields:
if f not in fields:
usage(_("invalid field %s") % f)
options.types = options.types.split(",")
for t in options.types:
if t not in types:
usage(_("invalid type %s") % t)
if not options.sortfields:
options.sortfields = [("-s", "type"), ("-s", "name")]
if "all" in options.types:
options.types = types[1:]
ds = zfs.dataset.Dataset(dsname, types=("filesystem"))
if ds.getprop("jailed") and solaris.misc.isglobalzone():
options.noname = True
if not ds.getprop("useraccounting"):
print(_("Initializing accounting information on old filesystem, please wait..."))
ds.userspace_upgrade()
# gather and process accounting information
# Due to -i, we need to keep a dict, so we can potentially add
# together the posix ID and SID's usage. Grr.
acct = dict()
for prop in props.keys():
if skiptype(options, prop):
continue;
for elem in ds.userspace(prop):
process_one_raw(acct, options, prop, elem)
def cmpkey(val):
l = list()
for (opt, field) in options.sortfields:
try:
n = val[field + ".sort"]
except KeyError:
n = val[field]
if opt == "-S":
# reverse sorting
try:
n = -n
except TypeError:
# it's a string; decompose it
# into an array of integers,
# each one the negative of that
# character
n = [-ord(c) for c in n]
l.append(n)
return l
t = zfs.table.Table(options.fields, rjustfields)
for val in acct.itervalues():
t.addline(cmpkey(val), val)
t.printme(not options.noheaders)
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