From 4171a9255bc913cff40a177daf7611c06d735754 Mon Sep 17 00:00:00 2001 From: Richard Ipsum Date: Wed, 1 Apr 2015 14:39:24 +0000 Subject: Add configuration for swift storage nodes Change-Id: Iad40b665edff7a3605b6600dafbcf67831e4290a --- swift-storage-devices-validate.py | 60 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100755 swift-storage-devices-validate.py (limited to 'swift-storage-devices-validate.py') diff --git a/swift-storage-devices-validate.py b/swift-storage-devices-validate.py new file mode 100755 index 00000000..57ab23d0 --- /dev/null +++ b/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 . +# +# 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)) -- cgit v1.2.1