suse: Add support for openSUSE and return SLES to a working state.

This gets initial opensuse and SLES support back to a working state.
Still missing is more complete network file writing and unit tests.

1 files changed, 212 insertions, 0 deletions

diff --git a/cloudinit/distros/opensuse.py b/cloudinit/distros/opensuse.py
new file mode 100644
index 00000000..a219e9fb
--- /dev/null
+++ b/cloudinit/distros/opensuse.py
@@ -0,0 +1,212 @@
+#    Copyright (C) 2017 SUSE LLC
+#    Copyright (C) 2013 Hewlett-Packard Development Company, L.P.
+#
+#    Author: Robert Schweikert <rjschwei@suse.com>
+#    Author: Juerg Haefliger <juerg.haefliger@hp.com>
+#
+#    Leaning very heavily on the RHEL and Debian implementation
+#
+# This file is part of cloud-init. See LICENSE file for license information.
+
+from cloudinit import distros
+
+from cloudinit.distros.parsers.hostname import HostnameConf
+
+from cloudinit import helpers
+from cloudinit import log as logging
+from cloudinit import util
+
+from cloudinit.distros import net_util
+from cloudinit.distros import rhel_util as rhutil
+from cloudinit.settings import PER_INSTANCE
+
+LOG = logging.getLogger(__name__)
+
+
+class Distro(distros.Distro):
+    clock_conf_fn = '/etc/sysconfig/clock'
+    hostname_conf_fn = '/etc/HOSTNAME'
+    init_cmd = ['service']
+    locale_conf_fn = '/etc/sysconfig/language'
+    network_conf_fn = '/etc/sysconfig/network'
+    network_script_tpl = '/etc/sysconfig/network/ifcfg-%s'
+    resolve_conf_fn = '/etc/resolv.conf'
+    route_conf_tpl = '/etc/sysconfig/network/ifroute-%s'
+    systemd_hostname_conf_fn = '/etc/hostname'
+    systemd_locale_conf_fn = '/etc/locale.conf'
+    tz_local_fn = '/etc/localtime'
+
+    def __init__(self, name, cfg, paths):
+        distros.Distro.__init__(self, name, cfg, paths)
+        self._runner = helpers.Runners(paths)
+        self.osfamily = 'suse'
+        cfg['ssh_svcname'] = 'sshd'
+        if self.uses_systemd():
+            self.init_cmd = ['systemctl']
+            cfg['ssh_svcname'] = 'sshd.service'
+
+    def apply_locale(self, locale, out_fn=None):
+        if self.uses_systemd():
+            if not out_fn:
+                out_fn = self.systemd_locale_conf_fn
+            locale_cfg = {'LANG': locale}
+        else:
+            if not out_fn:
+                out_fn = self.locale_conf_fn
+            locale_cfg = {'RC_LANG': locale}
+        rhutil.update_sysconfig_file(out_fn, locale_cfg)
+
+    def install_packages(self, pkglist):
+        self.package_command(
+            'install',
+            args='--auto-agree-with-licenses',
+            pkgs=pkglist
+        )
+
+    def package_command(self, command, args=None, pkgs=None):
+        if pkgs is None:
+            pkgs = []
+
+        cmd = ['zypper']
+        # No user interaction possible, enable non-interactive mode
+        cmd.append('--non-interactive')
+
+        # Comand is the operation, such as install
+        if command == 'upgrade':
+            command = 'update'
+        cmd.append(command)
+
+        # args are the arguments to the command, not global options
+        if args and isinstance(args, str):
+            cmd.append(args)
+        elif args and isinstance(args, list):
+            cmd.extend(args)
+
+        pkglist = util.expand_package_list('%s-%s', pkgs)
+        cmd.extend(pkglist)
+
+        # Allow the output of this to flow outwards (ie not be captured)
+        util.subp(cmd, capture=False)
+
+    def set_timezone(self, tz):
+        tz_file = self._find_tz_file(tz)
+        if self.uses_systemd():
+            # Currently, timedatectl complains if invoked during startup
+            # so for compatibility, create the link manually.
+            util.del_file(self.tz_local_fn)
+            util.sym_link(tz_file, self.tz_local_fn)
+        else:
+            # Adjust the sysconfig clock zone setting
+            clock_cfg = {
+                'TIMEZONE': str(tz),
+            }
+            rhutil.update_sysconfig_file(self.clock_conf_fn, clock_cfg)
+            # This ensures that the correct tz will be used for the system
+            util.copy(tz_file, self.tz_local_fn)
+
+    def update_package_sources(self):
+        self._runner.run("update-sources", self.package_command,
+                         ['refresh'], freq=PER_INSTANCE)
+
+    def _bring_up_interfaces(self, device_names):
+        if device_names and 'all' in device_names:
+            raise RuntimeError(('Distro %s can not translate '
+                                'the device name "all"') % (self.name))
+        return distros.Distro._bring_up_interfaces(self, device_names)
+
+    def _read_hostname(self, filename, default=None):
+        if self.uses_systemd() and filename.endswith('/previous-hostname'):
+            return util.load_file(filename).strip()
+        elif self.uses_systemd():
+            (out, _err) = util.subp(['hostname'])
+            if len(out):
+                return out
+            else:
+                return default
+        else:
+            try:
+                conf = self._read_hostname_conf(filename)
+                hostname = conf.hostname
+            except IOError:
+                pass
+            if not hostname:
+                return default
+            return hostname
+
+    def _read_hostname_conf(self, filename):
+        conf = HostnameConf(util.load_file(filename))
+        conf.parse()
+        return conf
+
+    def _read_system_hostname(self):
+        if self.uses_systemd():
+            host_fn = self.systemd_hostname_conf_fn
+        else:
+            host_fn = self.hostname_conf_fn
+        return (host_fn, self._read_hostname(host_fn))
+
+    def _write_hostname(self, hostname, out_fn):
+        if self.uses_systemd() and out_fn.endswith('/previous-hostname'):
+            util.write_file(out_fn, hostname)
+        elif self.uses_systemd():
+            util.subp(['hostnamectl', 'set-hostname', str(hostname)])
+        else:
+            conf = None
+            try:
+                # Try to update the previous one
+                # so lets see if we can read it first.
+                conf = self._read_hostname_conf(out_fn)
+            except IOError:
+                pass
+            if not conf:
+                conf = HostnameConf('')
+            conf.set_hostname(hostname)
+            util.write_file(out_fn, str(conf), 0o644)
+
+    def _write_network(self, settings):
+        # Convert debian settings to ifcfg format
+        entries = net_util.translate_network(settings)
+        LOG.debug("Translated ubuntu style network settings %s into %s",
+                  settings, entries)
+        # Make the intermediate format as the suse format...
+        nameservers = []
+        searchservers = []
+        dev_names = entries.keys()
+        for (dev, info) in entries.items():
+            net_fn = self.network_script_tpl % (dev)
+            route_fn = self.route_conf_tpl % (dev)
+            mode = None
+            if info.get('auto', None):
+                mode = 'auto'
+            else:
+                mode = 'manual'
+            bootproto = info.get('bootproto', None)
+            gateway = info.get('gateway', None)
+            net_cfg = {
+                'BOOTPROTO': bootproto,
+                'BROADCAST': info.get('broadcast'),
+                'GATEWAY': gateway,
+                'IPADDR': info.get('address'),
+                'LLADDR': info.get('hwaddress'),
+                'NETMASK': info.get('netmask'),
+                'STARTMODE': mode,
+                'USERCONTROL': 'no'
+            }
+            if dev != 'lo':
+                net_cfg['ETHTOOL_OPTIONS'] = ''
+            else:
+                net_cfg['FIREWALL'] = 'no'
+            rhutil.update_sysconfig_file(net_fn, net_cfg, True)
+            if gateway and bootproto == 'static':
+                default_route = 'default    %s' % gateway
+                util.write_file(route_fn, default_route, 0o644)
+            if 'dns-nameservers' in info:
+                nameservers.extend(info['dns-nameservers'])
+            if 'dns-search' in info:
+                searchservers.extend(info['dns-search'])
+        if nameservers or searchservers:
+            rhutil.update_resolve_conf_file(self.resolve_conf_fn,
+                                            nameservers, searchservers)
+        return dev_names
+
+# vi: ts=4 expandtab