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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/swift-storage-devices-validate.py | |
parent | 0cd8880023fc65ec581da95dd49a58b5996a1279 (diff) | |
download | definitions-6f49299467a09236d7c0c564fe55bc8eafa7defd.tar.gz |
Move extensions into a subdirectory
Change-Id: I12e7c03b30da78da1eb220d2826ce0003d6efe2e
Diffstat (limited to 'extensions/swift-storage-devices-validate.py')
-rwxr-xr-x | extensions/swift-storage-devices-validate.py | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/extensions/swift-storage-devices-validate.py b/extensions/swift-storage-devices-validate.py new file mode 100755 index 00000000..57ab23d0 --- /dev/null +++ b/extensions/swift-storage-devices-validate.py @@ -0,0 +1,60 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- +# +# Copyright © 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/>. +# +# This is used by the openstack-swift.configure extension +# to validate any provided storage device specifiers +# under SWIFT_STORAGE_DEVICES +# + + +''' + This is used by the swift-storage.configure extension + to validate any storage device specifiers specified + in the SWIFT_STORAGE_DEVICES environment variable +''' + +from __future__ import print_function + +import yaml +import sys + +EXAMPLE_DEVSPEC = '{device: sdb1, ip: 127.0.0.1, weight: 100}' +REQUIRED_KEYS = ['ip', 'device', 'weight'] + +def err(msg): + print(msg, file=sys.stderr) + sys.exit(1) + +if len(sys.argv) != 2: + err('usage: %s STRING_TO_BE_VALIDATED' % sys.argv[0]) + +swift_storage_devices = yaml.load(sys.argv[1]) + +if not isinstance(swift_storage_devices, list): + err('Expected list of device specifiers\n' + 'Example: [%s]' % EXAMPLE_DEVSPEC) + +for d in swift_storage_devices: + if not isinstance(d, dict): + err("Invalid device specifier: `%s'\n" + 'Device specifier must be a dictionary\n' + 'Example: %s' % (d, EXAMPLE_DEVSPEC)) + + if set(d.keys()) != set(REQUIRED_KEYS): + err("Invalid device specifier: `%s'\n" + 'Specifier should contain: %s\n' + 'Example: %s' % (d, str(REQUIRED_KEYS)[1:-1], EXAMPLE_DEVSPEC)) |