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author | Adam Coldrick <adam.coldrick@codethink.co.uk> | 2015-06-02 08:22:26 +0000 |
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committer | Adam Coldrick <adam.coldrick@codethink.co.uk> | 2015-06-02 13:55:31 +0000 |
commit | 6f49299467a09236d7c0c564fe55bc8eafa7defd (patch) | |
tree | c9c628dd466ebfcc895d2ccc9f16440b4955f1a6 /extensions/ssh-rsync.check | |
parent | 0cd8880023fc65ec581da95dd49a58b5996a1279 (diff) | |
download | definitions-6f49299467a09236d7c0c564fe55bc8eafa7defd.tar.gz |
Move extensions into a subdirectory
Change-Id: I12e7c03b30da78da1eb220d2826ce0003d6efe2e
Diffstat (limited to 'extensions/ssh-rsync.check')
-rwxr-xr-x | extensions/ssh-rsync.check | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/extensions/ssh-rsync.check b/extensions/ssh-rsync.check new file mode 100755 index 00000000..c3bdfd29 --- /dev/null +++ b/extensions/ssh-rsync.check @@ -0,0 +1,64 @@ +#!/usr/bin/python +# Copyright (C) 2014-2015 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, see <http://www.gnu.org/licenses/>. + +'''Preparatory checks for Morph 'ssh-rsync' write extension''' + +import cliapp + +import os + +import morphlib.writeexts + +class SshRsyncCheckExtension(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 not upgrade: + raise cliapp.AppException( + 'The ssh-rsync write is for upgrading existing remote ' + 'Baserock machines. It cannot be used for an initial ' + 'deployment.') + + if os.environ.get('VERSION_LABEL', '') == '': + raise cliapp.AppException( + 'A VERSION_LABEL must be set when deploying an upgrade.') + + location = args[0] + self.check_ssh_connectivity(location) + self.check_is_baserock_system(location) + + # The new system that being deployed as an upgrade must contain + # baserock-system-config-sync and system-version-manager. However, the + # old system simply needs to have SSH and rsync. + self.check_command_exists(location, 'rsync') + + def check_is_baserock_system(self, location): + output = cliapp.ssh_runcmd(location, ['sh', '-c', + 'test -d /baserock || echo -n dirnotfound']) + if output == 'dirnotfound': + raise cliapp.AppException('%s is not a baserock system' + % location) + + def check_command_exists(self, location, command): + test = 'type %s > /dev/null 2>&1 || echo -n cmdnotfound' % command + output = cliapp.ssh_runcmd(location, ['sh', '-c', test]) + if output == 'cmdnotfound': + raise cliapp.AppException( + "%s does not have %s" % (location, command)) + + +SshRsyncCheckExtension().run() |