mirror of
https://github.com/virt-manager/virt-manager.git
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118 lines
4.1 KiB
Python
118 lines
4.1 KiB
Python
#
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# Copyright 2011, 2013 Red Hat, Inc.
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# Cole Robinson <crobinso@redhat.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301 USA.
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import os
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from virtinst import VirtualDevice
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from virtinst.xmlbuilder import XMLProperty
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class VirtualFilesystem(VirtualDevice):
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virtual_device_type = VirtualDevice.VIRTUAL_DEV_FILESYSTEM
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TYPE_MOUNT = "mount"
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TYPE_TEMPLATE = "template"
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TYPE_FILE = "file"
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TYPE_BLOCK = "block"
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TYPE_RAM = "ram"
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TYPE_DEFAULT = "default"
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TYPES = [TYPE_MOUNT, TYPE_TEMPLATE, TYPE_FILE, TYPE_BLOCK, TYPE_RAM, TYPE_DEFAULT]
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MODE_PASSTHROUGH = "passthrough"
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MODE_MAPPED = "mapped"
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MODE_SQUASH = "squash"
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MODE_DEFAULT = "default"
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MODES = [MODE_PASSTHROUGH, MODE_MAPPED, MODE_SQUASH, MODE_DEFAULT]
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WRPOLICY_IMM = "immediate"
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WRPOLICY_DEFAULT = "default"
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WRPOLICIES = [WRPOLICY_IMM, WRPOLICY_DEFAULT]
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DRIVER_PATH = "path"
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DRIVER_HANDLE = "handle"
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DRIVER_LOOP = "loop"
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DRIVER_NBD = "nbd"
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DRIVER_DEFAULT = "default"
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DRIVERS = [DRIVER_PATH, DRIVER_HANDLE, DRIVER_LOOP, DRIVER_NBD, DRIVER_DEFAULT]
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NBD_FORMATS = ["raw", "bochs", "cloop", "cow", "dmg", "iso", "qcow",
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"qcow2", "qed", "vmdk", "vpc", "fat", "vhd", "vdi"]
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@staticmethod
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def type_to_source_prop(fs_type):
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"""
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Convert a value of VirtualFilesystem.type to it's associated XML
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source @prop name
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"""
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if (fs_type == VirtualFilesystem.TYPE_MOUNT or
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fs_type == VirtualFilesystem.TYPE_DEFAULT or
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fs_type is None):
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return "dir"
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elif fs_type == VirtualFilesystem.TYPE_TEMPLATE:
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return "name"
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elif fs_type == VirtualFilesystem.TYPE_FILE:
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return "file"
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elif fs_type == VirtualFilesystem.TYPE_BLOCK:
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return "dev"
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elif fs_type == VirtualFilesystem.TYPE_RAM:
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return "usage"
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return "dir"
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type = XMLProperty("./@type",
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default_cb=lambda s: None,
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default_name=TYPE_DEFAULT)
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mode = XMLProperty("./@accessmode",
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default_cb=lambda s: None,
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default_name=MODE_DEFAULT)
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wrpolicy = XMLProperty("./driver/@wrpolicy",
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default_cb=lambda s: None,
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default_name=WRPOLICY_DEFAULT)
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driver = XMLProperty("./driver/@type",
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default_cb=lambda s: None,
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default_name=DRIVER_DEFAULT)
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format = XMLProperty("./driver/@format")
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readonly = XMLProperty("./readonly", is_bool=True)
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units = XMLProperty("./source/@units")
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def _make_source_xpath(self):
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return "./source/@" + self.type_to_source_prop(self.type)
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source = XMLProperty(name="filesystem source",
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make_xpath_cb=_make_source_xpath)
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def _validate_set_target(self, val):
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# In case of qemu for default fs type (mount) target is not
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# actually a directory, it is merely a arbitrary string tag
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# that is exported to the guest as a hint for where to mount
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if (self.conn.is_qemu() and
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(self.type == self.TYPE_DEFAULT or
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self.type == self.TYPE_MOUNT)):
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pass
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elif not os.path.isabs(val):
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raise ValueError(_("Filesystem target '%s' must be an absolute "
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"path") % val)
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return val
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target = XMLProperty("./target/@dir",
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set_converter=_validate_set_target)
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VirtualFilesystem.register_type()
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