diff options
Diffstat (limited to 'cloudinit/config/cc_seed_random.py')
| -rw-r--r-- | cloudinit/config/cc_seed_random.py | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/cloudinit/config/cc_seed_random.py b/cloudinit/config/cc_seed_random.py deleted file mode 100644 index 5085c23a..00000000 --- a/cloudinit/config/cc_seed_random.py +++ /dev/null @@ -1,94 +0,0 @@ -# vi: ts=4 expandtab -# -# Copyright (C) 2013 Yahoo! Inc. -# Copyright (C) 2014 Canonical, Ltd -# -# Author: Joshua Harlow <harlowja@yahoo-inc.com> -# Author: Dustin Kirkland <kirkland@ubuntu.com> -# Author: Scott Moser <scott.moser@canonical.com> -# -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License version 3, as -# published by the Free Software Foundation. -# -# 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/>. - -import base64 -import os - -from six import BytesIO - -from cloudinit import log as logging -from cloudinit.settings import PER_INSTANCE -from cloudinit import util - -frequency = PER_INSTANCE -LOG = logging.getLogger(__name__) - - -def _decode(data, encoding=None): - if not data: - return b'' - if not encoding or encoding.lower() in ['raw']: - return util.encode_text(data) - elif encoding.lower() in ['base64', 'b64']: - return base64.b64decode(data) - elif encoding.lower() in ['gzip', 'gz']: - return util.decomp_gzip(data, quiet=False, decode=None) - else: - raise IOError("Unknown random_seed encoding: %s" % (encoding)) - - -def handle_random_seed_command(command, required, env=None): - if not command and required: - raise ValueError("no command found but required=true") - elif not command: - LOG.debug("no command provided") - return - - cmd = command[0] - if not util.which(cmd): - if required: - raise ValueError("command '%s' not found but required=true", cmd) - else: - LOG.debug("command '%s' not found for seed_command", cmd) - return - util.subp(command, env=env, capture=False) - - -def handle(name, cfg, cloud, log, _args): - mycfg = cfg.get('random_seed', {}) - seed_path = mycfg.get('file', '/dev/urandom') - seed_data = mycfg.get('data', b'') - - seed_buf = BytesIO() - if seed_data: - seed_buf.write(_decode(seed_data, encoding=mycfg.get('encoding'))) - - # 'random_seed' is set up by Azure datasource, and comes already in - # openstack meta_data.json - metadata = cloud.datasource.metadata - if metadata and 'random_seed' in metadata: - seed_buf.write(util.encode_text(metadata['random_seed'])) - - seed_data = seed_buf.getvalue() - if len(seed_data): - log.debug("%s: adding %s bytes of random seed entropy to %s", name, - len(seed_data), seed_path) - util.append_file(seed_path, seed_data) - - command = mycfg.get('command', None) - req = mycfg.get('command_required', False) - try: - env = os.environ.copy() - env['RANDOM_SEED_FILE'] = seed_path - handle_random_seed_command(command=command, required=req, env=env) - except ValueError as e: - log.warn("handling random command [%s] failed: %s", command, e) - raise e |