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-rw-r--r--cloudinit/ec2_utils.py4
-rw-r--r--cloudinit/sources/DataSourceOpenStack.py1
-rw-r--r--cloudinit/sources/helpers/openstack.py41
-rw-r--r--cloudinit/url_helper.py23
4 files changed, 30 insertions, 39 deletions
diff --git a/cloudinit/ec2_utils.py b/cloudinit/ec2_utils.py
index 91cba20f..a7c9c9ab 100644
--- a/cloudinit/ec2_utils.py
+++ b/cloudinit/ec2_utils.py
@@ -16,10 +16,8 @@
# 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 httplib
-from urlparse import (urlparse, urlunparse)
-
import functools
+import httplib
import json
from cloudinit import log as logging
diff --git a/cloudinit/sources/DataSourceOpenStack.py b/cloudinit/sources/DataSourceOpenStack.py
index 621572de..2c50ed84 100644
--- a/cloudinit/sources/DataSourceOpenStack.py
+++ b/cloudinit/sources/DataSourceOpenStack.py
@@ -44,6 +44,7 @@ class DataSourceOpenStack(openstack.SourceMixin, sources.DataSource):
self.ssl_details = util.fetch_ssl_details(self.paths)
self.version = None
self.files = {}
+ self.ec2_metadata = None
def __str__(self):
root = sources.DataSource.__str__(self)
diff --git a/cloudinit/sources/helpers/openstack.py b/cloudinit/sources/helpers/openstack.py
index 9dbef677..09fb4ad8 100644
--- a/cloudinit/sources/helpers/openstack.py
+++ b/cloudinit/sources/helpers/openstack.py
@@ -21,7 +21,6 @@
import abc
import base64
import copy
-import functools
import os
from cloudinit import ec2_utils
@@ -395,26 +394,38 @@ class ConfigDriveReader(BaseReader):
class MetadataReader(BaseReader):
def __init__(self, base_url, ssl_details=None, timeout=5, retries=5):
super(MetadataReader, self).__init__(base_url)
- self._url_reader = functools.partial(url_helper.readurl,
- retries=retries,
- ssl_details=ssl_details,
- timeout=timeout)
- self._url_checker = functools.partial(url_helper.existsurl,
- ssl_details=ssl_details,
- timeout=timeout)
- self._ec2_reader = functools.partial(ec2_utils.get_instance_metadata,
- ssl_details=ssl_details,
- timeout=timeout,
- retries=retries)
+ self.ssl_details = ssl_details
+ self.timeout = float(timeout)
+ self.retries = int(retries)
def _path_read(self, path):
- return str(self._url_reader(path))
+ response = url_helper.readurl(path,
+ retries=self.retries,
+ ssl_details=self.ssl_details,
+ timeout=self.timeout)
+ return response.contents
def _path_exists(self, path):
- return self._url_checker(path)
+
+ def should_retry_cb(request, cause):
+ if cause.code >= 400:
+ return False
+ return True
+
+ try:
+ response = url_helper.readurl(path,
+ retries=self.retries,
+ ssl_details=self.ssl_details,
+ timeout=self.timeout,
+ exception_cb=should_retry_cb)
+ return response.ok()
+ except IOError:
+ return False
def _path_join(self, base, *add_ons):
return url_helper.combine_url(base, *add_ons)
def _read_ec2_metadata(self):
- return self._ec2_reader()
+ return ec2_utils.get_instance_metadata(ssl_details=self.ssl_details,
+ timeout=self.timeout,
+ retries=self.retries)
diff --git a/cloudinit/url_helper.py b/cloudinit/url_helper.py
index 76a8e29b..a477b185 100644
--- a/cloudinit/url_helper.py
+++ b/cloudinit/url_helper.py
@@ -166,35 +166,16 @@ def _get_ssl_args(url, ssl_details):
return ssl_args
-def existsurl(url, ssl_details=None, timeout=None):
- r = _readurl(url, ssl_details=ssl_details, timeout=timeout,
- method='HEAD', check_status=False)
- return r.ok()
-
-
def readurl(url, data=None, timeout=None, retries=0, sec_between=1,
- headers=None, headers_cb=None, ssl_details=None,
- check_status=True, allow_redirects=True, exception_cb=None):
- return _readurl(url, data=data, timeout=timeout, retries=retries,
- sec_between=sec_between, headers=headers,
- headers_cb=headers_cb, ssl_details=ssl_details,
- check_status=check_status,
- allow_redirects=allow_redirects,
- exception_cb=exception_cb)
-
-
-def _readurl(url, data=None, timeout=None, retries=0, sec_between=1,
headers=None, headers_cb=None, ssl_details=None,
- check_status=True, allow_redirects=True, exception_cb=None,
- method='GET'):
+ check_status=True, allow_redirects=True, exception_cb=None):
url = _cleanurl(url)
req_args = {
'url': url,
}
req_args.update(_get_ssl_args(url, ssl_details))
- scheme = urlparse(url).scheme # pylint: disable=E1101
req_args['allow_redirects'] = allow_redirects
- req_args['method'] = method
+ req_args['method'] = 'GET'
if timeout is not None:
req_args['timeout'] = max(float(timeout), 0)
if data: