152 lines
6.4 KiB
Python
152 lines
6.4 KiB
Python
# Copyright 2020 Canonical, Ltd.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import os
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import shutil
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import logging
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from subiquity.common.errorreport import ErrorReportKind
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from subiquity.common.types import ApplicationState
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from subiquity.common.resources import get_users_and_groups
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from subiquity.server.controller import SubiquityController
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from subiquitycore.context import with_context
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from subiquitycore.utils import run_command
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from system_setup.common.wsl_conf import wsl_config_update
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log = logging.getLogger("system_setup.server.controllers.configure")
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class ConfigureController(SubiquityController):
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def __init__(self, app):
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super().__init__(app)
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self.app = app
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self.model = app.base_model
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def start(self):
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self.install_task = self.app.aio_loop.create_task(self.configure())
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@with_context(
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description="final system configuration", level="INFO",
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childlevel="DEBUG")
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async def configure(self, *, context):
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context.set('is-install-context', True)
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try:
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self.app.update_state(ApplicationState.WAITING)
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await self.model.wait_install()
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self.app.update_state(ApplicationState.NEEDS_CONFIRMATION)
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self.app.update_state(ApplicationState.RUNNING)
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await self.model.wait_postinstall()
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self.app.update_state(ApplicationState.POST_WAIT)
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# TODO WSL:
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# 1. Use self.model to get all data to commit
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# 2. Write directly (without wsl utilities) to wsl.conf and other
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# fstab files
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# 3. If not in reconfigure mode: create User, otherwise just write
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# wsl.conf files.
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# This must not use subprocesses.
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# If dry-run: write in .subiquity
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self.app.update_state(ApplicationState.POST_RUNNING)
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dryrun = self.app.opts.dry_run
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variant = self.app.variant
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root_dir = self.model.root
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username = None
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if variant == "wsl_setup":
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wsl_id = self.model.identity.user
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username = wsl_id.username
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create_user_base = []
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assign_grp_base = []
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usergroups_list = get_users_and_groups()
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if dryrun:
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log.debug("creating a mock-up env for user %s", username)
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# creating folders and files for dryrun
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etc_dir = os.path.join(root_dir, "etc")
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os.makedirs(etc_dir, exist_ok=True)
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home_dir = os.path.join(root_dir, "home")
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os.makedirs(home_dir, exist_ok=True)
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pseudo_files = ["passwd", "shadow", "gshadow", "group",
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"subgid", "subuid"]
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for file in pseudo_files:
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filepath = os.path.join(etc_dir, file)
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open(filepath, "a").close()
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# mimic groupadd
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group_id = 1000
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for group in usergroups_list:
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group_filepath = os.path.join(etc_dir, "group")
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gshadow_filepath = os.path.join(etc_dir, "gshadow")
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shutil.copy(group_filepath,
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"{}-".format(group_filepath))
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with open(group_filepath, "a") as group_file:
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group_file.write("{}:x:{}:\n".
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format(group, group_id))
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group_id += 1
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shutil.copy(gshadow_filepath,
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"{}-".format(gshadow_filepath))
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with open(gshadow_filepath, "a") as gshadow_file:
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gshadow_file.write("{}:!::\n".format(group))
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create_user_base = ["-R", root_dir]
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assign_grp_base = ["-P", root_dir]
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create_user_cmd = ["useradd"] + create_user_base + \
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["-m", "-s", "/bin/bash",
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"-c", wsl_id.realname,
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"-p", wsl_id.password, username]
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assign_grp_cmd = ["usermod"] + assign_grp_base + \
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["-a", "-G", ",".join(usergroups_list),
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username]
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create_user_proc = run_command(create_user_cmd)
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if create_user_proc.returncode != 0:
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raise Exception("Failed to create user %s: %s"
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% (username, create_user_proc.stderr))
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log.debug("created user %s", username)
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assign_grp_proc = run_command(assign_grp_cmd)
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if assign_grp_proc.returncode != 0:
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raise Exception(("Failed to assign group to user %s: %s")
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% (username, assign_grp_proc.stderr))
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else:
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wsl_config_update(self.model.wslconfadvanced.wslconfadvanced,
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root_dir)
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# update advanced config when it is in autoinstall mode
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if self.app.opts.autoinstall is not None and \
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self.model.wslconfadvanced.wslconfadvanced is not None:
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wsl_config_update(self.model.wslconfadvanced.wslconfadvanced,
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root_dir)
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wsl_config_update(self.model.wslconfbase.wslconfbase, root_dir,
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default_user=username)
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self.app.update_state(ApplicationState.DONE)
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except Exception:
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kw = {}
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self.app.make_apport_report(
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ErrorReportKind.INSTALL_FAIL, "configuration failed", **kw)
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raise
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def stop_uu(self):
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# This is a no-op to allow Shutdown controller to depend on this one
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pass
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