04a4817dc8
other code to have user/group parsing in util instead of in stages.py, renames decomp_str to decomp_gzip since it is more meaningful when named that (as thats all it can decompress).
70 lines
2.1 KiB
Python
70 lines
2.1 KiB
Python
# vi: ts=4 expandtab
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#
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# Copyright (C) 2012 Yahoo! Inc.
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#
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# Author: Joshua Harlow <harlowja@yahoo-inc.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 3, as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import base64
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import os
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from cloudinit import util
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from cloudinit.settings import PER_INSTANCE
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frequency = PER_INSTANCE
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DEFAULT_PERMS = 0644
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def handle(name, cfg, _cloud, log, _args):
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files = cfg.get('files')
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if not files:
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log.debug(("Skipping module named %s,"
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" no/empty 'files' key in configuration"), name)
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return
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write_files(name, files, log)
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def write_files(name, files, log):
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if not files:
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return
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for (i, f_info) in enumerate(files):
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path = f_info.get('path')
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if not path:
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log.warn("No path provided to write for entry %s in module %s",
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i + 1, name)
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continue
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path = os.path.abspath(path)
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contents = decode_string(f_info.get('content', ''),
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f_info.get('compression'))
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(u, g) = util.extract_usergroup(f_info.get('owner'))
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perms = safe_int(f_info.get('permissions'), DEFAULT_PERMS)
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util.write_file(path, contents, mode=perms)
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util.chownbyname(path, u, g)
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def safe_int(text, default):
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try:
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return int(text)
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except (TypeError, ValueError):
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return default
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def decode_string(contents, content_type):
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if util.is_true(content_type, addons=['gzip', 'gz']):
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contents_dec = base64.b64decode(contents)
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contents = util.decomp_gzip(contents_dec, quiet=False)
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return contents
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