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author | Sam Thursfield <sam.thursfield@codethink.co.uk> | 2017-07-07 10:01:07 +0000 |
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committer | Sam Thursfield <sam.thursfield@codethink.co.uk> | 2017-07-07 10:01:07 +0000 |
commit | f6046f9b54c1f14d12a67fa66ca0c881b49e8ceb (patch) | |
tree | 7c4d5b1aa87b991fecb0b2c585514069947c3f0a /old/extensions/rawdisk.check | |
parent | deba555368fd21316025c5ee0eaaf517b938775e (diff) | |
download | definitions-f6046f9b54c1f14d12a67fa66ca0c881b49e8ceb.tar.gz |
Move old Baserock format definitions into old/ directory
Diffstat (limited to 'old/extensions/rawdisk.check')
-rwxr-xr-x | old/extensions/rawdisk.check | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/old/extensions/rawdisk.check b/old/extensions/rawdisk.check new file mode 100755 index 00000000..e7aed390 --- /dev/null +++ b/old/extensions/rawdisk.check @@ -0,0 +1,52 @@ +#!/usr/bin/python2 +# 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 'rawdisk' write extension''' + +import os + +import writeexts + + +class RawdiskCheckExtension(writeexts.WriteExtension): + def process_args(self, args): + if len(args) != 1: + raise writeexts.ExtensionError( + 'Wrong number of command line args') + + self.require_btrfs_in_deployment_host_kernel() + + location = args[0] + upgrade = self.get_environment_boolean('UPGRADE') + if upgrade: + if not self.is_device(location): + if not os.path.isfile(location): + raise writeexts.ExtensionError( + 'Cannot upgrade %s: it is not an existing disk image' % + location) + + version_label = os.environ.get('VERSION_LABEL') + if version_label is None: + raise writeexts.ExtensionError( + 'VERSION_LABEL was not given. It is required when ' + 'upgrading an existing system.') + else: + if not self.is_device(location): + if os.path.exists(location): + raise writeexts.ExtensionError( + 'Target %s already exists. Use `morph upgrade` if you ' + 'want to update an existing image.' % location) + +RawdiskCheckExtension().run() |