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# 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 os
import cliapp
import vmdb
class ChrootPlugin(cliapp.Plugin):
def enable(self):
self.app.step_runners.add(ChrootStepRunner())
self.app.step_runners.add(ShellStepRunner())
class ChrootStepRunner(vmdb.StepRunnerInterface):
def get_required_keys(self):
return ['chroot', 'shell']
def run(self, step, settings, state):
fs_tag = step['chroot']
shell = step['shell']
mount_point = state.tags.get_mount_point(fs_tag)
vmdb.runcmd_chroot(mount_point, ['sh', '-ec', shell])
class ShellStepRunner(vmdb.StepRunnerInterface):
def get_required_keys(self):
return ['shell', 'root-fs']
def run(self, step, settings, state):
shell = step['shell']
fs_tag = step['root-fs']
env = dict(os.environ)
env['ROOT'] = state.tags.get_mount_point(fs_tag)
vmdb.runcmd(['sh', '-ec', shell], env=env)
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