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
|
# Copyright 2017 Lars Wirzenius
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# =*= License: GPL-3+ =*=
import vmdb
class KpartxPlugin(vmdb.Plugin):
def enable(self):
self.app.step_runners.add(KpartxStepRunner())
class KpartxStepRunner(vmdb.StepRunnerInterface):
def get_key_spec(self):
return {"kpartx": str}
def run(self, values, settings, state):
device = values["kpartx"]
tags = state.tags.get_tags()
devs = self.kpartx(device)
for tag, dev in zip(tags, devs):
vmdb.progress("remembering {} as {}".format(dev, tag))
state.tags.set_dev(tag, dev)
def kpartx(self, device):
output = vmdb.runcmd(["kpartx", "-asv", device]).decode("UTF-8")
for line in output.splitlines():
words = line.split()
if words[0] == "add":
name = words[2]
yield "/dev/mapper/{}".format(name)
def teardown(self, values, settings, state):
device = values["kpartx"]
vmdb.runcmd(["kpartx", "-dsv", device])
|
