92 lines
2.7 KiB
Python
92 lines
2.7 KiB
Python
# Copyright (C) 2009-2010 Canonical Ltd.
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# Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
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#
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# Author: Scott Moser <scott.moser@canonical.com>
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# Author: Juerg Haefliger <juerg.haefliger@hp.com>
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#
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# This file is part of cloud-init. See LICENSE file for license information.
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"""Byobu: Enable/disable byobu system wide and for default user."""
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import logging
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from cloudinit import subp, util
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from cloudinit.cloud import Cloud
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from cloudinit.config import Config
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from cloudinit.config.schema import MetaSchema
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from cloudinit.distros import ug_util
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from cloudinit.settings import PER_INSTANCE
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LOG = logging.getLogger(__name__)
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meta: MetaSchema = {
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"id": "cc_byobu",
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"distros": ["ubuntu", "debian", "raspberry-pi-os"],
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"frequency": PER_INSTANCE,
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"activate_by_schema_keys": [],
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}
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def handle(name: str, cfg: Config, cloud: Cloud, args: list) -> None:
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if args:
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value = args[0]
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else:
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value = util.get_cfg_option_str(cfg, "byobu_by_default", "")
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if not value:
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LOG.debug("Skipping module named %s, no 'byobu' values found", name)
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return
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if not subp.which("byobu"):
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cloud.distro.install_packages(["byobu"])
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if value == "user" or value == "system":
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value = "enable-%s" % value
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valid = (
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"enable-user",
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"enable-system",
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"enable",
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"disable-user",
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"disable-system",
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"disable",
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)
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if value not in valid:
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LOG.warning("Unknown value %s for byobu_by_default", value)
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mod_user = value.endswith("-user")
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mod_sys = value.endswith("-system")
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if value.startswith("enable"):
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bl_inst = "install"
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dc_val = "byobu byobu/launch-by-default boolean true"
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mod_sys = True
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else:
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if value == "disable":
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mod_user = True
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mod_sys = True
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bl_inst = "uninstall"
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dc_val = "byobu byobu/launch-by-default boolean false"
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shcmd = ""
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if mod_user:
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(users, _groups) = ug_util.normalize_users_groups(cfg, cloud.distro)
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(user, _user_config) = ug_util.extract_default(users)
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if not user:
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LOG.warning(
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"No default byobu user provided, "
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"can not launch %s for the default user",
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bl_inst,
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)
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else:
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shcmd += ' sudo -Hu "%s" byobu-launcher-%s' % (user, bl_inst)
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shcmd += " || X=$(($X+1)); "
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if mod_sys:
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shcmd += 'echo "%s" | debconf-set-selections' % dc_val
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shcmd += " && dpkg-reconfigure byobu --frontend=noninteractive"
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shcmd += " || X=$(($X+1)); "
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if len(shcmd):
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cmd = ["/bin/sh", "-c", "%s %s %s" % ("X=0;", shcmd, "exit $X")]
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LOG.debug("Setting byobu to %s", value)
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subp.subp(cmd, capture=False)
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