* ec2-set-apt-sources.py

  - Determine the zone that the user is in and generate
    a /etc/apt/sources.list.d/ based on that.
* debian/init:
  - Check to see if there is an /var/run/ec2 and create
    it if it doesnt exist.
  - Start ec2-set-apt-sources at first bootup.
* debian/rules:
  - Install ec2-set-apt-sources.
* debian/control:
  - Add python-configobj as a dependency.
* debian/{install,dirs}
  - Create an /etc/ec2-init to read the configuration file and install it.

1 files changed, 45 insertions, 0 deletions

diff --git a/ec2-set-apt-sources.py b/ec2-set-apt-sources.py
new file mode 100755
index 00000000..d6535013
--- /dev/null
+++ b/ec2-set-apt-sources.py
@@ -0,0 +1,45 @@
+#!/usr/bin/python
+#
+#    Fetch the availabity zone and create the sources.list
+#    Copyright 2009 Canonical Ltd.
+#
+#    Author: Chuck Short <chuck.short@canonical.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    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 urllib
+import os
+from configobj import ConfigObj
+
+api_ver = '2008-02-01'
+metadata = None
+filename='/etc/ec2/ec2-init.cfg'
+
+base_url = 'http://169.254.169.254/%s/meta-data' % api_ver
+zone = urllib.urlopen('%s/placement/availability-zone' % base_url).read()
+
+if zone.startswith("us"):
+	archive = "http://us.ec2.archive.ubuntu.com/ubuntu"
+elif zone.startswith("eu"):
+	archive = "http://eu.ec2.archive.ubuntu.com/ubuntu"
+
+config = ConfigObj(filename)
+distro = config['distro']
+
+f = open("/var/run/ec2/sources.list", "w")
+f.write('deb %s %s main universe\n' % (archive,distro))
+f.write('deb %s %s-updates main restricted universe\n' % (archive,distro))
+f.close()
+os.system("ln -s /var/run/ec2/sources.list /etc/apt/sources.list.d/amazon.list")