Resync with configure_source supporting proposed

charm-helpers-sync.yaml

@@ -1,4 +1,4 @@
-branch: lp:charm-helpers
+branch: lp:~james-page/charm-helpers/configure_source_proposed
 destination: hooks/charmhelpers
 include:
     - core

hooks/charmhelpers/core/host.py

@@ -48,13 +48,13 @@ def adduser(username, password=None, shell='/bin/bash', system_user=False):
         log('creating user {0}'.format(username))
         cmd = ['useradd']
         if system_user or password is None:
-           cmd.append('--system')
+            cmd.append('--system')
         else:
-           cmd.extend([
-               '--create-home',
-               '--shell', shell,
-               '--password', password,
-           ])
+            cmd.extend([
+                '--create-home',
+                '--shell', shell,
+                '--password', password,
+            ])
         cmd.append(username)
         subprocess.check_call(cmd)
         user_info = pwd.getpwnam(username)
@@ -261,3 +261,13 @@ def restart_on_change(restart_map):
                 service('restart', service_name)
         return wrapped_f
     return wrap
+
+
+def lsb_release():
+    '''Return /etc/lsb-release in a dict'''
+    d = {}
+    with open('/etc/lsb-release', 'r') as lsb:
+        for l in lsb:
+            k, v = l.split('=')
+            d[k.strip()] = v.strip()
+    return d

hooks/charmhelpers/fetch/__init__.py

@@ -3,7 +3,8 @@ from yaml import safe_load
 from charmhelpers.core.host import (
     apt_install,
     apt_update,
-    filter_installed_packages
+    filter_installed_packages,
+    lsb_release
 )
 from urlparse import (
     urlparse,
@@ -18,6 +19,9 @@ from charmhelpers.core.hookenv import (
 CLOUD_ARCHIVE = """# Ubuntu Cloud Archive
 deb http://ubuntu-cloud.archive.canonical.com/ubuntu {} main
 """
+PROPOSED_POCKET = """# Proposed
+deb http://archive.ubuntu.com/ubuntu {}-proposed main universe multiverse restricted
+"""
 
 
 def add_source(source, key=None):
@@ -30,6 +34,10 @@ def add_source(source, key=None):
         pocket = source.split(':')[-1]
         with open('/etc/apt/sources.list.d/cloud-archive.list', 'w') as apt:
             apt.write(CLOUD_ARCHIVE.format(pocket))
+    elif source == 'proposed':
+        release = lsb_release()['DISTRIB_CODENAME']
+        with open('/etc/apt/sources.list.d/proposed.list', 'w') as apt:
+            apt.write(PROPOSED_POCKET.format(release))
     if key:
         subprocess.check_call(['apt-key', 'import', key])