diff options
Diffstat (limited to 'cloudinit/distros/rhel.py')
| -rw-r--r-- | cloudinit/distros/rhel.py | 244 |
1 files changed, 64 insertions, 180 deletions
diff --git a/cloudinit/distros/rhel.py b/cloudinit/distros/rhel.py index 2f91e386..30195384 100644 --- a/cloudinit/distros/rhel.py +++ b/cloudinit/distros/rhel.py @@ -1,7 +1,7 @@ # vi: ts=4 expandtab # # Copyright (C) 2012 Canonical Ltd. -# Copyright (C) 2012 Hewlett-Packard Development Company, L.P. +# Copyright (C) 2012, 2013 Hewlett-Packard Development Company, L.P. # Copyright (C) 2012 Yahoo! Inc. # # Author: Scott Moser <scott.moser@canonical.com> @@ -20,17 +20,12 @@ # 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.distros.parsers.resolv_conf import ResolvConf -from cloudinit.distros.parsers.sys_conf import SysConf - from cloudinit import helpers from cloudinit import log as logging from cloudinit import util +from cloudinit.distros import rhel_util from cloudinit.settings import PER_INSTANCE LOG = logging.getLogger(__name__) @@ -47,12 +42,13 @@ class Distro(distros.Distro): # See: http://tiny.cc/6r99fw clock_conf_fn = "/etc/sysconfig/clock" locale_conf_fn = '/etc/sysconfig/i18n' + systemd_locale_conf_fn = '/etc/locale.conf' network_conf_fn = "/etc/sysconfig/network" hostname_conf_fn = "/etc/sysconfig/network" + systemd_hostname_conf_fn = "/etc/hostname" network_script_tpl = '/etc/sysconfig/network-scripts/ifcfg-%s' resolve_conf_fn = "/etc/resolv.conf" tz_local_fn = "/etc/localtime" - tz_zone_dir = "/usr/share/zoneinfo" def __init__(self, name, cfg, paths): distros.Distro.__init__(self, name, cfg, paths) @@ -65,33 +61,9 @@ class Distro(distros.Distro): def install_packages(self, pkglist): self.package_command('install', pkgs=pkglist) - def _adjust_resolve(self, dns_servers, search_servers): - try: - r_conf = ResolvConf(util.load_file(self.resolve_conf_fn)) - r_conf.parse() - except IOError: - util.logexc(LOG, - "Failed at parsing %s reverting to an empty instance", - self.resolve_conf_fn) - r_conf = ResolvConf('') - r_conf.parse() - if dns_servers: - for s in dns_servers: - try: - r_conf.add_nameserver(s) - except ValueError: - util.logexc(LOG, "Failed at adding nameserver %s", s) - if search_servers: - for s in search_servers: - try: - r_conf.add_search_domain(s) - except ValueError: - util.logexc(LOG, "Failed at adding search domain %s", s) - util.write_file(self.resolve_conf_fn, str(r_conf), 0644) - def _write_network(self, settings): # TODO(harlowja) fix this... since this is the ubuntu format - entries = translate_network(settings) + entries = rhel_util.translate_network(settings) LOG.debug("Translated ubuntu style network settings %s into %s", settings, entries) # Make the intermediate format as the rhel format... @@ -110,54 +82,49 @@ class Distro(distros.Distro): 'MACADDR': info.get('hwaddress'), 'ONBOOT': _make_sysconfig_bool(info.get('auto')), } - self._update_sysconfig_file(net_fn, net_cfg) + rhel_util.update_sysconfig_file(net_fn, net_cfg) if 'dns-nameservers' in info: nameservers.extend(info['dns-nameservers']) if 'dns-search' in info: searchservers.extend(info['dns-search']) if nameservers or searchservers: - self._adjust_resolve(nameservers, searchservers) + rhel_util.update_resolve_conf_file(self.resolve_conf_fn, + nameservers, searchservers) if dev_names: net_cfg = { 'NETWORKING': _make_sysconfig_bool(True), } - self._update_sysconfig_file(self.network_conf_fn, net_cfg) + rhel_util.update_sysconfig_file(self.network_conf_fn, net_cfg) return dev_names - def _update_sysconfig_file(self, fn, adjustments, allow_empty=False): - if not adjustments: - return - (exists, contents) = self._read_conf(fn) - updated_am = 0 - for (k, v) in adjustments.items(): - if v is None: - continue - v = str(v) - if len(v) == 0 and not allow_empty: - continue - contents[k] = v - updated_am += 1 - if updated_am: - lines = [ - str(contents), - ] - if not exists: - lines.insert(0, util.make_header()) - util.write_file(fn, "\n".join(lines), 0644) + def _dist_uses_systemd(self): + # Fedora 18 and RHEL 7 were the first adopters in their series + (dist, vers) = util.system_info()['dist'][:2] + major = (int)(vers.split('.')[0]) + return ((dist.startswith('Red Hat Enterprise Linux') and major >= 7) + or (dist.startswith('Fedora') and major >= 18)) def apply_locale(self, locale, out_fn=None): - if not out_fn: - out_fn = self.locale_conf_fn + if self._dist_uses_systemd(): + if not out_fn: + out_fn = self.systemd_locale_conf_fn + out_fn = self.systemd_locale_conf_fn + else: + if not out_fn: + out_fn = self.locale_conf_fn locale_cfg = { 'LANG': locale, } - self._update_sysconfig_file(out_fn, locale_cfg) + rhel_util.update_sysconfig_file(out_fn, locale_cfg) def _write_hostname(self, hostname, out_fn): - host_cfg = { - 'HOSTNAME': hostname, - } - self._update_sysconfig_file(out_fn, host_cfg) + if self._dist_uses_systemd(): + util.subp(['hostnamectl', 'set-hostname', str(hostname)]) + else: + host_cfg = { + 'HOSTNAME': hostname, + } + rhel_util.update_sysconfig_file(out_fn, host_cfg) def _select_hostname(self, hostname, fqdn): # See: http://bit.ly/TwitgL @@ -167,25 +134,25 @@ class Distro(distros.Distro): return hostname def _read_system_hostname(self): - return (self.network_conf_fn, - self._read_hostname(self.network_conf_fn)) + if self._dist_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 _read_hostname(self, filename, default=None): - (_exists, contents) = self._read_conf(filename) - if 'HOSTNAME' in contents: - return contents['HOSTNAME'] + if self._dist_uses_systemd(): + (out, _err) = util.subp(['hostname']) + if len(out): + return out + else: + return default else: - return default - - def _read_conf(self, fn): - exists = False - try: - contents = util.load_file(fn).splitlines() - exists = True - except IOError: - contents = [] - return (exists, - SysConf(contents)) + (_exists, contents) = rhel_util.read_sysconfig_file(filename) + if 'HOSTNAME' in contents: + return contents['HOSTNAME'] + else: + return default def _bring_up_interfaces(self, device_names): if device_names and 'all' in device_names: @@ -194,21 +161,25 @@ class Distro(distros.Distro): return distros.Distro._bring_up_interfaces(self, device_names) def set_timezone(self, tz): - # TODO(harlowja): move this code into - # the parent distro... - tz_file = os.path.join(self.tz_zone_dir, str(tz)) - if not os.path.isfile(tz_file): - raise RuntimeError(("Invalid timezone %s," - " no file found at %s") % (tz, tz_file)) - # Adjust the sysconfig clock zone setting - clock_cfg = { - 'ZONE': str(tz), - } - self._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) + tz_file = self._find_tz_file(tz) + if self._dist_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 = { + 'ZONE': str(tz), + } + rhel_util.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 package_command(self, command, args=None, pkgs=None): + if pkgs is None: + pkgs = [] - def package_command(self, command, args=None, pkgs=[]): cmd = ['yum'] # If enabled, then yum will be tolerant of errors on the command line # with regard to packages. @@ -236,90 +207,3 @@ class Distro(distros.Distro): def update_package_sources(self): self._runner.run("update-sources", self.package_command, ["makecache"], freq=PER_INSTANCE) - - -# This is a util function to translate a ubuntu /etc/network/interfaces 'blob' -# to a rhel equiv. that can then be written to /etc/sysconfig/network-scripts/ -# TODO(harlowja) remove when we have python-netcf active... -def translate_network(settings): - # Get the standard cmd, args from the ubuntu format - entries = [] - for line in settings.splitlines(): - line = line.strip() - if not line or line.startswith("#"): - continue - split_up = line.split(None, 1) - if len(split_up) <= 1: - continue - entries.append(split_up) - # Figure out where each iface section is - ifaces = [] - consume = {} - for (cmd, args) in entries: - if cmd == 'iface': - if consume: - ifaces.append(consume) - consume = {} - consume[cmd] = args - else: - consume[cmd] = args - # Check if anything left over to consume - absorb = False - for (cmd, args) in consume.iteritems(): - if cmd == 'iface': - absorb = True - if absorb: - ifaces.append(consume) - # Now translate - real_ifaces = {} - for info in ifaces: - if 'iface' not in info: - continue - iface_details = info['iface'].split(None) - dev_name = None - if len(iface_details) >= 1: - dev = iface_details[0].strip().lower() - if dev: - dev_name = dev - if not dev_name: - continue - iface_info = {} - if len(iface_details) >= 3: - proto_type = iface_details[2].strip().lower() - # Seems like this can be 'loopback' which we don't - # really care about - if proto_type in ['dhcp', 'static']: - iface_info['bootproto'] = proto_type - # These can just be copied over - for k in ['netmask', 'address', 'gateway', 'broadcast']: - if k in info: - val = info[k].strip().lower() - if val: - iface_info[k] = val - # Name server info provided?? - if 'dns-nameservers' in info: - iface_info['dns-nameservers'] = info['dns-nameservers'].split() - # Name server search info provided?? - if 'dns-search' in info: - iface_info['dns-search'] = info['dns-search'].split() - # Is any mac address spoofing going on?? - if 'hwaddress' in info: - hw_info = info['hwaddress'].lower().strip() - hw_split = hw_info.split(None, 1) - if len(hw_split) == 2 and hw_split[0].startswith('ether'): - hw_addr = hw_split[1] - if hw_addr: - iface_info['hwaddress'] = hw_addr - real_ifaces[dev_name] = iface_info - # Check for those that should be started on boot via 'auto' - for (cmd, args) in entries: - if cmd == 'auto': - # Seems like auto can be like 'auto eth0 eth0:1' so just get the - # first part out as the device name - args = args.split(None) - if not args: - continue - dev_name = args[0].strip().lower() - if dev_name in real_ifaces: - real_ifaces[dev_name]['auto'] = True - return real_ifaces |