From f0f7d9804dd0b718c245e43d87114f04f35810f8 Mon Sep 17 00:00:00 2001 From: Sam Thursfield Date: Mon, 17 Feb 2014 16:17:00 +0000 Subject: deploy: Check the --upgrade flag has been used correctly. Most write extensions don't handle both initial deployments and upgrades of a system. --- morphlib/exts/kvm.check | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100755 morphlib/exts/kvm.check (limited to 'morphlib/exts/kvm.check') diff --git a/morphlib/exts/kvm.check b/morphlib/exts/kvm.check new file mode 100755 index 00000000..be7c51c2 --- /dev/null +++ b/morphlib/exts/kvm.check @@ -0,0 +1,35 @@ +#!/usr/bin/python +# Copyright (C) 2014 Codethink Limited +# +# 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; version 2 of the License. +# +# 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, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +'''Preparatory checks for Morph 'kvm' write extension''' + +import cliapp + +import morphlib.writeexts + + +class KvmPlusSshCheckExtension(morphlib.writeexts.WriteExtension): + def process_args(self, args): + if len(args) != 1: + raise cliapp.AppException('Wrong number of command line args') + + upgrade = self.get_environment_boolean('UPGRADE') + if upgrade: + raise cliapp.AppException( + 'Use the `ssh-rsync` write extension to deploy upgrades to an ' + 'existing remote system.') + +KvmPlusSshCheckExtension().run() -- cgit v1.2.1