summaryrefslogtreecommitdiff
path: root/virtManager/device/fsdetails.py
blob: 1245c5176650a7ec999db984de6e1a192d1c84bb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
# Copyright (C) 2006-2007, 2013, 2014 Red Hat, Inc.
# Copyright (C) 2006 Hugh O. Brock <hbrock@redhat.com>
# Copyright (C) 2014 SUSE LINUX Products GmbH, Nuernberg, Germany.
#
# This work is licensed under the GNU GPLv2 or later.
# See the COPYING file in the top-level directory.

from gi.repository import Gtk

from virtinst import DeviceFilesystem

from ..lib import uiutil
from ..baseclass import vmmGObjectUI
from ..storagebrowse import vmmStorageBrowser


class vmmFSDetails(vmmGObjectUI):
    __gsignals__ = {
        "changed": (vmmGObjectUI.RUN_FIRST, None, [])
    }

    def __init__(self, vm, builder, topwin):
        vmmGObjectUI.__init__(self, "fsdetails.ui",
                              None, builder=builder, topwin=topwin)

        self.vm = vm
        self.conn = vm.conn

        self._dev = None
        self.storage_browser = None

        self.builder.connect_signals({
            "on_fs_type_combo_changed": self.change_field,
            "on_fs_driver_combo_changed": self.change_field,
            "on_fs_source_browse_clicked": self.browse_fs_source,
            "on_fs_mode_combo_changed": self.notify_change,
            "on_fs_readonly_toggled": self.notify_change,
            "on_fs_format_combo_changed": self.notify_change,
            "on_fs_source_changed": self.notify_change,
            "on_fs_ram_source_changed": self.notify_change,
            "on_fs_target_changed": self.notify_change,
        })

        self.set_initial_state()
        self.top_box = self.widget("vmm-fs-details")

    def _cleanup(self):
        self.vm = None
        self.conn = None
        self._dev = None

        if self.storage_browser:
            self.storage_browser.cleanup()
            self.storage_browser = None

    def show_pair_combo(self, basename, show_combo):
        combo = self.widget(basename + "-combo")
        label = self.widget(basename + "-label")

        combo.set_visible(show_combo)
        label.set_visible(not show_combo)

    def show_check_button(self, basename, show):
        check = self.widget(basename)
        check.set_visible(show)

    ##########################
    # Initialization methods #
    ##########################

    def set_initial_state(self):
        def simple_store_set(comboname, values, sort=True, capitalize=True):
            combo = self.widget(comboname)
            # [XML value, label]
            model = Gtk.ListStore(str, str)
            combo.set_model(model)
            uiutil.init_combo_text_column(combo, 1)
            if sort:
                model.set_sort_column_id(0, Gtk.SortType.ASCENDING)

            for xmlval in values:
                label = xmlval
                if xmlval is None:
                    label = "Default"
                if capitalize:
                    label = label.capitalize()
                model.append([xmlval, label])

        # Filesystem widgets
        if self.conn.is_container_only():
            simple_store_set("fs-type-combo",
                [DeviceFilesystem.TYPE_MOUNT,
                 DeviceFilesystem.TYPE_FILE,
                 DeviceFilesystem.TYPE_BLOCK,
                 DeviceFilesystem.TYPE_RAM], sort=False)
        else:
            simple_store_set("fs-type-combo", [DeviceFilesystem.TYPE_MOUNT])
            self.widget("fs-type-label").set_text(DeviceFilesystem.TYPE_MOUNT)

        simple_store_set("fs-mode-combo", DeviceFilesystem.MODES + [None])

        drivers = []
        if self.conn.is_qemu() or self.conn.is_test():
            drivers += [DeviceFilesystem.DRIVER_PATH,
                    DeviceFilesystem.DRIVER_HANDLE]
        if self.conn.is_lxc() or self.conn.is_test():
            drivers += [DeviceFilesystem.DRIVER_LOOP,
                 DeviceFilesystem.DRIVER_NBD]
        simple_store_set("fs-driver-combo", drivers + [None])

        simple_store_set("fs-format-combo", ["raw", "qcow2"], capitalize=False)
        self.show_pair_combo("fs-type", self.conn.is_container_only())
        self.show_check_button("fs-readonly",
                self.conn.is_qemu() or
                self.conn.is_test() or
                self.conn.is_lxc())

    def reset_state(self):
        self.widget("fs-type-combo").set_active(0)
        self.widget("fs-mode-combo").set_active(0)
        self.widget("fs-driver-combo").set_active(0)
        self.widget("fs-format-combo").set_active(0)
        self.widget("fs-source").set_text("")
        self.widget("fs-target").set_text("")
        self.widget("fs-readonly").set_active(False)

    # Getters
    def get_config_fs_mode(self):
        return uiutil.get_list_selection(self.widget("fs-mode-combo"),
                                         check_visible=True)

    def get_config_fs_type(self):
        if self.widget("fs-type-label").is_visible():
            return self.widget("fs-type-label").get_text()
        return uiutil.get_list_selection(self.widget("fs-type-combo"),
                                         check_visible=True)

    def get_config_fs_readonly(self):
        return self.widget("fs-readonly").get_active()

    def get_config_fs_driver(self):
        return uiutil.get_list_selection(self.widget("fs-driver-combo"),
                                         check_visible=True)

    def get_config_fs_format(self):
        return uiutil.get_list_selection(self.widget("fs-format-combo"),
                                         check_visible=True)

    # Setters
    def set_dev(self, dev):
        self._dev = dev

        self.set_config_value("fs-type", dev.type)
        self.set_config_value("fs-mode", dev.accessmode)
        self.set_config_value("fs-driver", dev.driver_type)
        self.set_config_value("fs-format", dev.driver_format)
        if dev.type != DeviceFilesystem.TYPE_RAM:
            self.widget("fs-source").set_text(dev.source)
        else:
            self.widget("fs-ram-source-spin").set_value(int(dev.source) // 1024)
        self.widget("fs-target").set_text(dev.target or "")
        self.widget("fs-readonly").set_active(dev.readonly)

        self.show_pair_combo("fs-type", self.conn.is_container_only())

    def set_config_value(self, name, value):
        combo = self.widget("%s-combo" % name)
        label = self.widget("%s-label" % name)

        uiutil.set_list_selection(combo, value)
        if label:
            label.set_text(value or "default")

    # listeners
    def notify_change(self, ignore):
        self.emit("changed")

    def browse_fs_source(self, ignore1):
        self._browse_file(self.widget("fs-source"), isdir=True)

    def update_fs_rows(self):
        fstype = self.get_config_fs_type()
        fsdriver = self.get_config_fs_driver()
        ismount = bool(
                fstype == DeviceFilesystem.TYPE_MOUNT or
                self.conn.is_qemu() or self.conn.is_test())

        show_mode = bool(ismount and
            (fsdriver == DeviceFilesystem.DRIVER_PATH or
            fsdriver is None))
        uiutil.set_grid_row_visible(self.widget("fs-mode-box"), show_mode)

        show_ram_source = fstype == DeviceFilesystem.TYPE_RAM
        uiutil.set_grid_row_visible(
            self.widget("fs-ram-source-box"), show_ram_source)
        uiutil.set_grid_row_visible(
            self.widget("fs-source-box"), not show_ram_source)

        show_format = bool(
            fsdriver == DeviceFilesystem.DRIVER_NBD)
        uiutil.set_grid_row_visible(self.widget("fs-format-box"), show_format)
        self.show_pair_combo("fs-format", True)

        show_mode_combo = False
        show_driver_combo = False
        if fstype == DeviceFilesystem.TYPE_TEMPLATE:
            source_text = _("Te_mplate:")
        else:
            source_text = _("_Source path:")
            show_mode_combo = self.conn.is_qemu() or self.conn.is_test()
            show_driver_combo = (self.conn.is_qemu() or
                                 self.conn.is_lxc() or
                                 self.conn.is_test())

        self.widget("fs-source-title").set_text(source_text)
        self.widget("fs-source-title").set_use_underline(True)
        self.show_pair_combo("fs-mode", show_mode_combo)
        self.show_pair_combo("fs-driver", show_driver_combo)

    def change_field(self, src):
        self.update_fs_rows()
        self.notify_change(src)


    ####################
    # Internal helpers #
    ####################

    def _browse_file(self, textent, isdir=False):
        def set_storage_cb(src, path):
            if path:
                textent.set_text(path)

        reason = (isdir and
                  self.config.CONFIG_DIR_FS or
                  self.config.CONFIG_DIR_IMAGE)

        if self.storage_browser is None:
            self.storage_browser = vmmStorageBrowser(self.conn)

        self.storage_browser.set_finish_cb(set_storage_cb)
        self.storage_browser.set_browse_reason(reason)

        self.storage_browser.show(self.topwin.get_ancestor(Gtk.Window))


    ###################
    # Device building #
    ###################

    def _build_xmlobj(self):
        conn = self.conn.get_backend()
        source = self.widget("fs-source").get_text()
        target = self.widget("fs-target").get_text()
        usage = uiutil.spin_get_helper(self.widget("fs-ram-source-spin"))
        mode = self.get_config_fs_mode()
        fstype = self.get_config_fs_type()
        readonly = self.get_config_fs_readonly()
        driver = self.get_config_fs_driver()
        fsformat = self.get_config_fs_format()

        dev = DeviceFilesystem(conn)
        if fstype == DeviceFilesystem.TYPE_RAM:
            dev.source = usage
            dev.source_units = 'MiB'
        else:
            dev.source = source
        dev.target = target
        dev.validate_target(target)
        if mode:
            dev.accessmode = mode
        if fstype:
            dev.type = fstype
        if readonly:
            dev.readonly = readonly
        if driver:
            dev.driver_type = driver
            if driver == DeviceFilesystem.DRIVER_LOOP:
                dev.driver_format = "raw"
            elif driver == DeviceFilesystem.DRIVER_NBD:
                dev.driver_format = fsformat

        dev.validate()
        return dev

    def build_xmlobj(self):
        self._dev = self._build_xmlobj()
        return self._dev