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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 AptPlugin(cliapp.Plugin):
def enable(self):
self.app.step_runners.add(AptStepRunner())
class AptStepRunner(vmdb.StepRunnerInterface):
def get_required_keys(self):
return ['apt', 'fs-tag']
def run(self, step, settings, state):
package = step['apt']
fstag = step['fs-tag']
mount_point = state.mounts[fstag]
if not self.got_eatmydata(state):
self.install_package(mount_point, [], 'eatmydata')
state.got_eatmydata = True
self.install_package(mount_point, ['eatmydata'], package)
def got_eatmydata(self, state):
return hasattr(state, 'got_eatmydata') and getattr(state, 'got_eatmydata')
def install_package(self, mount_point, argv_prefix, package):
env = os.environ.copy()
env['DEBIAN_FRONTEND'] = 'noninteractive'
vmdb.runcmd(
['chroot', mount_point] +
argv_prefix +
['apt-get', '-y', '--no-show-progress', 'install', package],
env=env)
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