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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 vmdb
class AptPlugin(vmdb.Plugin):
def enable(self):
self.app.step_runners.add(AptStepRunner())
class AptStepRunner(vmdb.StepRunnerInterface):
def get_key_spec(self):
return {"apt": str, "packages": [], "tag": "", "fs-tag": "", "clean": True, "recommends": True}
def run(self, values, settings, state):
operation = values["apt"]
if operation != "install":
raise Exception('"apt" must always have value "install"')
packages = values["packages"]
recommends = values["recommends"]
tag = values.get("tag") or None
if tag is None:
tag = values["fs-tag"]
mount_point = state.tags.get_builder_mount_point(tag)
if not self.got_eatmydata(state):
self.install_packages(mount_point, [], recommends, ["eatmydata"])
state.got_eatmydata = True
self.install_packages(mount_point, ["eatmydata"], recommends, packages)
if values["clean"]:
self.clean_cache(mount_point)
def got_eatmydata(self, state):
return hasattr(state, "got_eatmydata") and getattr(state, "got_eatmydata")
def install_packages(self, mount_point, argv_prefix, recommends, packages):
env = os.environ.copy()
env["DEBIAN_FRONTEND"] = "noninteractive"
vmdb.runcmd_chroot(mount_point, argv_prefix + ["apt-get", "update"], env=env)
rec = ''
if not recommends:
rec = '--no-install-recommends'
vmdb.runcmd_chroot(
mount_point,
argv_prefix + ["apt-get", "-y", "--no-show-progress", rec, "install"] + packages,
env=env,
)
def clean_cache(self, mount_point):
env = os.environ.copy()
env["DEBIAN_FRONTEND"] = "noninteractive"
vmdb.runcmd_chroot(mount_point, ["apt-get", "clean"], env=env)
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