1. Add a ubuntu and fedora subclass of the RH/debian root classes

2. Move the ubuntu class to the debian class (since thats really what it is)

1 files changed, 149 insertions, 0 deletions

diff --git a/cloudinit/distros/debian.py b/cloudinit/distros/debian.py
new file mode 100644
index 00000000..b23945d8
--- /dev/null
+++ b/cloudinit/distros/debian.py
@@ -0,0 +1,149 @@
+# vi: ts=4 expandtab
+#
+#    Copyright (C) 2012 Canonical Ltd.
+#    Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
+#    Copyright (C) 2012 Yahoo! Inc.
+#
+#    Author: Scott Moser <scott.moser@canonical.com>
+#    Author: Juerg Haefliger <juerg.haefliger@hp.com>
+#    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 os
+
+from cloudinit import distros
+from cloudinit import helpers
+from cloudinit import log as logging
+from cloudinit import util
+
+from cloudinit.settings import PER_INSTANCE
+
+LOG = logging.getLogger(__name__)
+
+
+class Distro(distros.Distro):
+
+    def __init__(self, name, cfg, paths):
+        distros.Distro.__init__(self, name, cfg, paths)
+        # This will be used to restrict certain
+        # calls from repeatly happening (when they
+        # should only happen say once per instance...)
+        self._runner = helpers.Runners(paths)
+
+    def apply_locale(self, locale, out_fn=None):
+        if not out_fn:
+            out_fn = self._paths.join(False, '/etc/default/locale')
+        util.subp(['locale-gen', locale], capture=False)
+        util.subp(['update-locale', locale], capture=False)
+        contents = [
+            "# Created by cloud-init",
+            'LANG="%s"' % (locale),
+        ]
+        util.write_file(out_fn, "\n".join(contents))
+
+    def install_packages(self, pkglist):
+        self._update_package_sources()
+        self.package_command('install', pkglist)
+
+    def _write_network(self, settings):
+        net_fn = self._paths.join(False, "/etc/network/interfaces")
+        util.write_file(net_fn, settings)
+
+    def set_hostname(self, hostname):
+        out_fn = self._paths.join(False, "/etc/hostname")
+        self._write_hostname(hostname, out_fn)
+        if out_fn == '/etc/hostname':
+            # Only do this if we are running in non-adjusted root mode
+            LOG.debug("Setting hostname to %s", hostname)
+            util.subp(['hostname', hostname])
+
+    def _write_hostname(self, hostname, out_fn):
+        lines = []
+        lines.append("# Created by cloud-init")
+        lines.append(str(hostname))
+        contents = "\n".join(lines)
+        util.write_file(out_fn, contents, 0644)
+
+    def update_hostname(self, hostname, prev_fn):
+        hostname_prev = self._read_hostname(prev_fn)
+        read_fn = self._paths.join(True, "/etc/hostname")
+        hostname_in_etc = self._read_hostname(read_fn)
+        update_files = []
+        if not hostname_prev or hostname_prev != hostname:
+            update_files.append(prev_fn)
+        if (not hostname_in_etc or
+            (hostname_in_etc == hostname_prev and
+             hostname_in_etc != hostname)):
+            write_fn = self._paths.join(False, "/etc/hostname")
+            update_files.append(write_fn)
+        for fn in update_files:
+            try:
+                self._write_hostname(hostname, fn)
+            except:
+                util.logexc(LOG, "Failed to write hostname %s to %s",
+                            hostname, fn)
+        if (hostname_in_etc and hostname_prev and
+            hostname_in_etc != hostname_prev):
+            LOG.debug(("%s differs from /etc/hostname."
+                        " Assuming user maintained hostname."), prev_fn)
+        if "/etc/hostname" in update_files:
+            # Only do this if we are running in non-adjusted root mode
+            LOG.debug("Setting hostname to %s", hostname)
+            util.subp(['hostname', hostname])
+
+    def _read_hostname(self, filename, default=None):
+        contents = util.load_file(filename, quiet=True)
+        for line in contents.splitlines():
+            c_pos = line.find("#")
+            # Handle inline comments
+            if c_pos != -1:
+                line = line[0:c_pos]
+            line_c = line.strip()
+            if line_c:
+                return line_c
+        return default
+
+    def _get_localhost_ip(self):
+        # Note: http://www.leonardoborda.com/blog/127-0-1-1-ubuntu-debian/
+        return "127.0.1.1"
+
+    def set_timezone(self, tz):
+        tz_file = os.path.join("/usr/share/zoneinfo", tz)
+        if not os.path.isfile(tz_file):
+            raise RuntimeError(("Invalid timezone %s,"
+                                " no file found at %s") % (tz, tz_file))
+        tz_lines = [
+            "# Created by cloud-init",
+            str(tz),
+        ]
+        tz_contents = "\n".join(tz_lines)
+        tz_fn = self._paths.join(False, "/etc/timezone")
+        util.write_file(tz_fn, tz_contents)
+        util.copy(tz_file, self._paths.join(False, "/etc/localtime"))
+
+    def package_command(self, command, args=None):
+        e = os.environ.copy()
+        # See: http://tiny.cc/kg91fw
+        # Or: http://tiny.cc/mh91fw
+        e['DEBIAN_FRONTEND'] = 'noninteractive'
+        cmd = ['apt-get', '--option', 'Dpkg::Options::=--force-confold',
+               '--assume-yes', command]
+        if args:
+            cmd.extend(args)
+        # Allow the output of this to flow outwards (ie not be captured)
+        util.subp(cmd, env=e, capture=False)
+
+    def _update_package_sources(self):
+        self._runner.run("update-sources", self.package_command,
+                         ["update"], freq=PER_INSTANCE)