From aed1c1e9fda1e78d19305e90f554d0dcb5388cd7 Mon Sep 17 00:00:00 2001
From: Scott Moser <smoser@ubuntu.com>
Date: Wed, 3 Feb 2010 18:09:48 -0500
Subject: globally remove ec2init and rename to cloudinit
---
cloudinit/boto_utils.py | 106 ++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 106 insertions(+)
create mode 100644 cloudinit/boto_utils.py
(limited to 'cloudinit/boto_utils.py')
diff --git a/cloudinit/boto_utils.py b/cloudinit/boto_utils.py
new file mode 100644
index 00000000..2f9de95f
--- /dev/null
+++ b/cloudinit/boto_utils.py
@@ -0,0 +1,106 @@
+# The contents of this file are taken from boto 1.9b's boto/utils.py
+#
+# Copyright (c) 2006,2007 Mitch Garnaat http://garnaat.org/
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish, dis-
+# tribute, sublicense, and/or sell copies of the Software, and to permit
+# persons to whom the Software is furnished to do so, subject to the fol-
+# lowing conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
+# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
+# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+# IN THE SOFTWARE.
+
+#
+# Parts of this code were copied or derived from sample code supplied by AWS.
+# The following notice applies to that code.
+#
+# This software code is made available "AS IS" without warranties of any
+# kind. You may copy, display, modify and redistribute the software
+# code either by itself or as incorporated into your code; provided that
+# you do not remove any proprietary notices. Your use of this software
+# code is at your own risk and you waive any claim against Amazon
+# Digital Services, Inc. or its affiliates with respect to your use of
+# this software code. (c) 2006 Amazon Digital Services, Inc. or its
+# affiliates.
+import urllib2
+import sys
+
+def retry_url(url, retry_on_404=True):
+ for i in range(0, 10):
+ try:
+ req = urllib2.Request(url)
+ resp = urllib2.urlopen(req)
+ return resp.read()
+ except urllib2.HTTPError, e:
+ # in 2.6 you use getcode(), in 2.5 and earlier you use code
+ if hasattr(e, 'getcode'):
+ code = e.getcode()
+ else:
+ code = e.code
+ if code == 404 and not retry_on_404:
+ return ''
+ except:
+ pass
+ #boto.log.exception('Caught exception reading instance data')
+ sys.stderr.write('Caught exception reading instance data')
+ time.sleep(2**i)
+ #boto.log.error('Unable to read instance data, giving up')
+ sys.stderr.write('Caught exception reading instance data')
+ return ''
+
+def get_instance_metadata(version='latest'):
+ """
+ Returns the instance metadata as a nested Python dictionary.
+ Simple values (e.g. local_hostname, hostname, etc.) will be
+ stored as string values. Values such as ancestor-ami-ids will
+ be stored in the dict as a list of string values. More complex
+ fields such as public-keys and will be stored as nested dicts.
+ """
+ url = 'http://169.254.169.254/%s/meta-data/' % version
+ return _get_instance_metadata(url)
+
+def get_instance_userdata(version='latest', sep=None):
+ url = 'http://169.254.169.254/%s/user-data' % version
+ user_data = retry_url(url, retry_on_404=False)
+ if user_data:
+ if sep:
+ l = user_data.split(sep)
+ user_data = {}
+ for nvpair in l:
+ t = nvpair.split('=')
+ user_data[t[0].strip()] = t[1].strip()
+ return user_data
+
+
+def _get_instance_metadata(url):
+ d = {}
+ data = retry_url(url)
+ if data:
+ fields = data.split('\n')
+ for field in fields:
+ if field.endswith('/'):
+ d[field[0:-1]] = _get_instance_metadata(url + field)
+ else:
+ p = field.find('=')
+ if p > 0:
+ key = field[p+1:]
+ resource = field[0:p] + '/openssh-key'
+ else:
+ key = resource = field
+ val = retry_url(url + resource)
+ p = val.find('\n')
+ if p > 0:
+ val = val.split('\n')
+ d[key] = val
+ return d
--
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