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-rw-r--r--cloudinit/config/cc_seed_random.py61
-rw-r--r--cloudinit/helpers.py18
-rw-r--r--cloudinit/sources/DataSourceAzure.py5
-rw-r--r--cloudinit/sources/DataSourceConfigDrive.py44
-rw-r--r--cloudinit/stages.py12
-rw-r--r--cloudinit/util.py8
6 files changed, 116 insertions, 32 deletions
diff --git a/cloudinit/config/cc_seed_random.py b/cloudinit/config/cc_seed_random.py
new file mode 100644
index 00000000..22a31f29
--- /dev/null
+++ b/cloudinit/config/cc_seed_random.py
@@ -0,0 +1,61 @@
+# vi: ts=4 expandtab
+#
+# Copyright (C) 2013 Yahoo! Inc.
+#
+# Author: Joshua Harlow <harlowja@yahoo-inc.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
+from StringIO import StringIO
+
+from cloudinit.settings import PER_INSTANCE
+from cloudinit import util
+
+frequency = PER_INSTANCE
+
+
+def _decode(data, encoding=None):
+ if not data:
+ return ''
+ if not encoding or encoding.lower() in ['raw']:
+ return data
+ elif encoding.lower() in ['base64', 'b64']:
+ return base64.b64decode(data)
+ elif encoding.lower() in ['gzip', 'gz']:
+ return util.decomp_gzip(data, quiet=False)
+ else:
+ raise IOError("Unknown random_seed encoding: %s" % (encoding))
+
+
+def handle(name, cfg, cloud, log, _args):
+ if not cfg or "random_seed" not in cfg:
+ log.debug(("Skipping module named %s, "
+ "no 'random_seed' configuration found"), name)
+ return
+
+ my_cfg = cfg['random_seed']
+ seed_path = my_cfg.get('file', '/dev/urandom')
+ seed_buf = StringIO()
+ seed_buf.write(_decode(my_cfg.get('data', ''),
+ encoding=my_cfg.get('encoding')))
+
+ metadata = cloud.datasource.metadata
+ if metadata and 'random_seed' in metadata:
+ seed_buf.write(metadata['random_seed'])
+
+ seed_data = seed_buf.getvalue()
+ if len(seed_data):
+ log.debug("%s: adding %s bytes of random seed entrophy to %s", name,
+ len(seed_data), seed_path)
+ util.append_file(seed_path, seed_data)
diff --git a/cloudinit/helpers.py b/cloudinit/helpers.py
index 1c46efde..e5eac6a7 100644
--- a/cloudinit/helpers.py
+++ b/cloudinit/helpers.py
@@ -292,11 +292,16 @@ class ContentHandlers(object):
def is_registered(self, content_type):
return content_type in self.registered
- def register(self, mod, initialized=False):
+ def register(self, mod, initialized=False, overwrite=True):
types = set()
for t in mod.list_types():
+ if overwrite:
+ types.add(t)
+ else:
+ if not self.is_registered(t):
+ types.add(t)
+ for t in types:
self.registered[t] = mod
- types.add(t)
if initialized and mod not in self.initialized:
self.initialized.append(mod)
return types
@@ -310,15 +315,6 @@ class ContentHandlers(object):
def iteritems(self):
return self.registered.iteritems()
- def register_defaults(self, defs):
- registered = set()
- for mod in defs:
- for t in mod.list_types():
- if not self.is_registered(t):
- self.registered[t] = mod
- registered.add(t)
- return registered
-
class Paths(object):
def __init__(self, path_cfgs, ds=None):
diff --git a/cloudinit/sources/DataSourceAzure.py b/cloudinit/sources/DataSourceAzure.py
index 66d7728b..a77c3d9a 100644
--- a/cloudinit/sources/DataSourceAzure.py
+++ b/cloudinit/sources/DataSourceAzure.py
@@ -106,6 +106,11 @@ class DataSourceAzureNet(sources.DataSource):
if found == ddir:
LOG.debug("using files cached in %s", ddir)
+ # azure / hyper-v provides random data here
+ seed = util.load_file("/sys/firmware/acpi/tables/OEM0", quiet=True)
+ if seed:
+ self.metadata['random_seed'] = seed
+
# now update ds_cfg to reflect contents pass in config
usercfg = util.get_cfg_by_path(self.cfg, DS_CFG_PATH, {})
self.ds_cfg = util.mergemanydict([usercfg, self.ds_cfg])
diff --git a/cloudinit/sources/DataSourceConfigDrive.py b/cloudinit/sources/DataSourceConfigDrive.py
index 835f2a9a..4f437244 100644
--- a/cloudinit/sources/DataSourceConfigDrive.py
+++ b/cloudinit/sources/DataSourceConfigDrive.py
@@ -18,6 +18,7 @@
# 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 json
import os
@@ -41,6 +42,25 @@ DEFAULT_METADATA = {
VALID_DSMODES = ("local", "net", "pass", "disabled")
+class ConfigDriveHelper(object):
+ def __init__(self, distro):
+ self.distro = distro
+
+ def on_first_boot(self, data):
+ if not data:
+ data = {}
+ if 'network_config' in data:
+ LOG.debug("Updating network interfaces from config drive")
+ self.distro.apply_network(data['network_config'])
+ files = data.get('files')
+ if files:
+ LOG.debug("Writing %s injected files", len(files))
+ try:
+ write_files(files)
+ except IOError:
+ util.logexc(LOG, "Failed writing files")
+
+
class DataSourceConfigDrive(sources.DataSource):
def __init__(self, sys_cfg, distro, paths):
sources.DataSource.__init__(self, sys_cfg, distro, paths)
@@ -49,6 +69,7 @@ class DataSourceConfigDrive(sources.DataSource):
self.seed_dir = os.path.join(paths.seed_dir, 'config_drive')
self.version = None
self.ec2_metadata = None
+ self.helper = ConfigDriveHelper(distro)
def __str__(self):
root = sources.DataSource.__str__(self)
@@ -187,20 +208,8 @@ class DataSourceConfigDrive(sources.DataSource):
# instance-id
prev_iid = get_previous_iid(self.paths)
cur_iid = md['instance-id']
-
- if ('network_config' in results and self.dsmode == "local" and
- prev_iid != cur_iid):
- LOG.debug("Updating network interfaces from config drive (%s)",
- dsmode)
- self.distro.apply_network(results['network_config'])
-
- # file writing occurs in local mode (to be as early as possible)
- if self.dsmode == "local" and prev_iid != cur_iid and results['files']:
- LOG.debug("writing injected files")
- try:
- write_files(results['files'])
- except:
- util.logexc(LOG, "Failed writing files")
+ if prev_iid != cur_iid and self.dsmode == "local":
+ self.helper.on_first_boot(results)
# dsmode != self.dsmode here if:
# * dsmode = "pass", pass means it should only copy files and then
@@ -338,6 +347,13 @@ def read_config_drive_dir_v2(source_dir, version="2012-08-10"):
except KeyError:
raise BrokenConfigDriveDir("No uuid entry in metadata")
+ if 'random_seed' in results['metadata']:
+ random_seed = results['metadata']['random_seed']
+ try:
+ results['metadata']['random_seed'] = base64.b64decode(random_seed)
+ except (ValueError, TypeError) as exc:
+ raise BrokenConfigDriveDir("Badly formatted random_seed: %s" % exc)
+
def read_content_path(item):
# do not use os.path.join here, as content_path starts with /
cpath = os.path.sep.join((source_dir, "openstack",
diff --git a/cloudinit/stages.py b/cloudinit/stages.py
index 3e49e8c5..07c55802 100644
--- a/cloudinit/stages.py
+++ b/cloudinit/stages.py
@@ -375,7 +375,9 @@ class Init(object):
mod = importer.import_module(mod_locs[0])
mod = handlers.fixup_handler(mod)
types = c_handlers.register(mod)
- LOG.debug("Added handler for %s from %s", types, fname)
+ if types:
+ LOG.debug("Added custom handler for %s from %s",
+ types, fname)
except Exception:
util.logexc(LOG, "Failed to register handler from %s",
fname)
@@ -386,10 +388,10 @@ class Init(object):
# Register any other handlers that come from the default set. This
# is done after the cloud-dir handlers so that the cdir modules can
# take over the default user-data handler content-types.
- def_handlers = self._default_userdata_handlers()
- applied_def_handlers = c_handlers.register_defaults(def_handlers)
- if applied_def_handlers:
- LOG.debug("Registered default handlers: %s", applied_def_handlers)
+ for mod in self._default_userdata_handlers():
+ types = c_handlers.register(mod, overwrite=False)
+ if types:
+ LOG.debug("Added default handler for %s from %s", types, mod)
# Form our cloud interface
data = self.cloudify()
diff --git a/cloudinit/util.py b/cloudinit/util.py
index e1c51f31..d50d3e18 100644
--- a/cloudinit/util.py
+++ b/cloudinit/util.py
@@ -1798,15 +1798,19 @@ def log_time(logfunc, msg, func, args=None, kwargs=None, get_uptime=False):
ret = func(*args, **kwargs)
finally:
delta = time.time() - start
+ udelta = None
if ustart is not None:
try:
udelta = float(uptime()) - ustart
except ValueError:
- udelta = "N/A"
+ pass
tmsg = " took %0.3f seconds" % delta
if get_uptime:
- tmsg += "(%0.2f)" % udelta
+ if isinstance(udelta, (float)):
+ tmsg += " (%0.2f)" % udelta
+ else:
+ tmsg += " (N/A)"
try:
logfunc(msg + tmsg)
except: