From 4faa7f927149a5c4ef7a03523f7bc14523cb9baa Mon Sep 17 00:00:00 2001 From: Stuart Mackie Date: Fri, 7 Oct 2016 12:24:58 -0700 Subject: Charms for Contrail 3.1 with Mitaka Change-Id: Id37f3b9743d1974e31fcd7cd9c54be41bb0c47fb Signed-off-by: Stuart Mackie --- .../charmhelpers/contrib/openstack/alternatives.py | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 charms/trusty/ceilometer/charmhelpers/contrib/openstack/alternatives.py (limited to 'charms/trusty/ceilometer/charmhelpers/contrib/openstack/alternatives.py') diff --git a/charms/trusty/ceilometer/charmhelpers/contrib/openstack/alternatives.py b/charms/trusty/ceilometer/charmhelpers/contrib/openstack/alternatives.py new file mode 100644 index 0000000..ef77caf --- /dev/null +++ b/charms/trusty/ceilometer/charmhelpers/contrib/openstack/alternatives.py @@ -0,0 +1,33 @@ +# Copyright 2014-2015 Canonical Limited. +# +# This file is part of charm-helpers. +# +# charm-helpers is free software: you can redistribute it and/or modify +# it under the terms of the GNU Lesser General Public License version 3 as +# published by the Free Software Foundation. +# +# charm-helpers 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 Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with charm-helpers. If not, see . + +''' Helper for managing alternatives for file conflict resolution ''' + +import subprocess +import shutil +import os + + +def install_alternative(name, target, source, priority=50): + ''' Install alternative configuration ''' + if (os.path.exists(target) and not os.path.islink(target)): + # Move existing file/directory away before installing + shutil.move(target, '{}.bak'.format(target)) + cmd = [ + 'update-alternatives', '--force', '--install', + target, name, source, str(priority) + ] + subprocess.check_call(cmd) -- cgit 1.2.3-korg