73 lines
2.5 KiB
Python
73 lines
2.5 KiB
Python
# vi: ts=4 expandtab
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#
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# Copyright (C) 2009-2010 Canonical Ltd.
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#
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# Author: Scott Moser <scott.moser@canonical.com>
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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 General Public License version 3, as
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# published by the Free Software Foundation.
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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 General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import cloudinit.util as util
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import subprocess
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import traceback
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def handle(name,cfg,cloud,log,args):
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if len(args) != 0:
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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: return
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if value == "user" or value == "system":
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value = "enable-%s" % value
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valid = ( "enable-user", "enable-system", "enable",
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"disable-user", "disable-system", "disable" )
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if not value in valid:
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log.warn("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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user = util.get_cfg_option_str(cfg,"user","ubuntu")
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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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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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try:
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subprocess.check_call(cmd)
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except subprocess.CalledProcessError as e:
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log.debug(traceback.format_exc(e))
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raise Exception("Cmd returned %s: %s" % ( e.returncode, cmd))
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except OSError as e:
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log.debug(traceback.format_exc(e))
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raise Exception("Cmd failed to execute: %s" % ( cmd ))
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