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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 shutil
import subprocess
import vmdb
class DebootstrapPlugin(vmdb.Plugin):
def enable(self):
self.app.step_runners.add(DebootstrapStepRunner())
class DebootstrapStepRunner(vmdb.StepRunnerInterface):
def get_key_spec(self):
return {
"debootstrap": str,
"target": str,
"mirror": str,
"arch": "",
"keyring": "",
"install_keyring": False,
"variant": "-",
"components": ["main"],
"include": [],
"exclude": [],
"require_empty_target": True,
"tls_ca_certs": [],
}
def run(self, values, settings, state):
suite = values["debootstrap"]
tag = values["target"]
target = state.tags.get_builder_mount_point(tag)
mirror = values["mirror"]
keyring = values["keyring"] or None
install_keyring = values["install_keyring"]
tls_ca_certs = values["tls_ca_certs"]
include = values["include"]
exclude = values["exclude"]
require_empty = values["require_empty_target"]
arch = values["arch"] or state.arch
state.arch = arch
vmdb.progress(f"debootstrap plugin set architecture to {state.arch}")
variant = values["variant"]
components = values["components"]
if not (suite and tag and target and mirror):
raise Exception("missing arg for debootstrap step")
if os.path.exists(target) and require_empty:
allowed_names = ["lost+found"]
names = [n for n in os.listdir(target) if n not in allowed_names]
if len(names) > 0:
raise Exception(
f"debootstrap target {target} is a not an empty directory: {names}"
)
bad_certs = [c for c in tls_ca_certs if not c.endswith(".crt")]
if bad_certs:
raise RuntimeError(f'TLS cert(s) do not have a ".crt" suffix: {bad_certs}')
cmd = [
"debootstrap",
"--arch",
arch,
"--variant",
variant,
"--components",
",".join(components),
]
remove_pkgs = []
if keyring:
cmd.extend(["--keyring", keyring])
if install_keyring and "gnupg" not in include:
include.append("gnupg")
# If gnupg needed to be installed it should be removed again to
# minimize the installation footprint
remove_pkgs.append("gnupg")
if include:
cmd.extend(["--include", ",".join(include)])
if exclude:
cmd.extend(["--exclude", ",".join(exclude)])
cmd.extend([suite, target, mirror])
vmdb.runcmd(cmd)
if keyring and install_keyring:
keyring_basename = os.path.basename(keyring)
chroot_keyring = os.path.join(target, keyring_basename)
shutil.copyfile(keyring, os.path.join(target, keyring_basename))
vmdb.runcmd_chroot(target, ["apt-key", "add", f"/{keyring_basename}"])
os.remove(chroot_keyring)
if tls_ca_certs:
for ca_cert in tls_ca_certs:
target_cert_path = os.path.join(
target,
"usr/local/share/ca-certificates",
os.path.basename(ca_cert),
)
shutil.copyfile(ca_cert, target_cert_path)
vmdb.progress(f"Copied {ca_cert} -> {target_cert_path}")
vmdb.runcmd_chroot(target, ["update-ca-certificates"])
if remove_pkgs:
vmdb.runcmd_chroot(
target,
[
"apt-get",
"remove",
"--purge",
"-y",
]
+ remove_pkgs,
)
def run_even_if_skipped(self, values, settings, state):
tag = values["target"]
target = state.tags.get_builder_mount_point(tag)
state.arch = values["arch"] or state.arch
vmdb.progress(f"debootstrap plugin set architecture to {state.arch}")
vmdb.runcmd_chroot(target, ["apt-get", "update"])
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