diff options
Diffstat (limited to 'cloudinit/net/sysconfig.py')
| -rw-r--r-- | cloudinit/net/sysconfig.py | 351 |
1 files changed, 242 insertions, 109 deletions
diff --git a/cloudinit/net/sysconfig.py b/cloudinit/net/sysconfig.py index 07668d3e..0a387377 100644 --- a/cloudinit/net/sysconfig.py +++ b/cloudinit/net/sysconfig.py @@ -1,5 +1,6 @@ # This file is part of cloud-init. See LICENSE file for license information. +import copy import io import os import re @@ -85,6 +86,9 @@ class ConfigMap(object): def __getitem__(self, key): return self._conf[key] + def get(self, key): + return self._conf.get(key) + def __contains__(self, key): return key in self._conf @@ -108,6 +112,9 @@ class ConfigMap(object): buf.write("%s=%s\n" % (key, _quote_value(value))) return buf.getvalue() + def update(self, updates): + self._conf.update(updates) + class Route(ConfigMap): """Represents a route configuration.""" @@ -268,13 +275,29 @@ class Renderer(renderer.Renderer): # s1-networkscripts-interfaces.html (or other docs for # details about this) - iface_defaults = tuple([ - ('ONBOOT', True), - ('USERCTL', False), - ('NM_CONTROLLED', False), - ('BOOTPROTO', 'none'), - ('STARTMODE', 'auto'), - ]) + iface_defaults = { + 'rhel': {'ONBOOT': True, 'USERCTL': False, 'NM_CONTROLLED': False, + 'BOOTPROTO': 'none'}, + 'suse': {'BOOTPROTO': 'static', 'STARTMODE': 'auto'}, + } + + cfg_key_maps = { + 'rhel': { + 'accept-ra': 'IPV6_FORCE_ACCEPT_RA', + 'bridge_stp': 'STP', + 'bridge_ageing': 'AGEING', + 'bridge_bridgeprio': 'PRIO', + 'mac_address': 'HWADDR', + 'mtu': 'MTU', + }, + 'suse': { + 'bridge_stp': 'BRIDGE_STP', + 'bridge_ageing': 'BRIDGE_AGEINGTIME', + 'bridge_bridgeprio': 'BRIDGE_PRIORITY', + 'mac_address': 'LLADDR', + 'mtu': 'MTU', + }, + } # If these keys exist, then their values will be used to form # a BONDING_OPTS grouping; otherwise no grouping will be set. @@ -296,12 +319,6 @@ class Renderer(renderer.Renderer): ('bond_primary_reselect', "primary_reselect=%s"), ]) - bridge_opts_keys = tuple([ - ('bridge_stp', 'STP'), - ('bridge_ageing', 'AGEING'), - ('bridge_bridgeprio', 'PRIO'), - ]) - templates = {} def __init__(self, config=None): @@ -319,65 +336,101 @@ class Renderer(renderer.Renderer): 'iface_templates': config.get('iface_templates'), 'route_templates': config.get('route_templates'), } + self.flavor = config.get('flavor', 'rhel') @classmethod - def _render_iface_shared(cls, iface, iface_cfg): - for k, v in cls.iface_defaults: - iface_cfg[k] = v + def _render_iface_shared(cls, iface, iface_cfg, flavor): + flavor_defaults = copy.deepcopy(cls.iface_defaults.get(flavor, {})) + iface_cfg.update(flavor_defaults) - for (old_key, new_key) in [('mac_address', 'HWADDR'), ('mtu', 'MTU')]: + for old_key in ('mac_address', 'mtu', 'accept-ra'): old_value = iface.get(old_key) if old_value is not None: # only set HWADDR on physical interfaces if (old_key == 'mac_address' and iface['type'] not in ['physical', 'infiniband']): continue - iface_cfg[new_key] = old_value - - if iface['accept-ra'] is not None: - iface_cfg['IPV6_FORCE_ACCEPT_RA'] = iface['accept-ra'] + new_key = cls.cfg_key_maps[flavor].get(old_key) + if new_key: + iface_cfg[new_key] = old_value @classmethod - def _render_subnets(cls, iface_cfg, subnets, has_default_route): + def _render_subnets(cls, iface_cfg, subnets, has_default_route, flavor): # setting base values - iface_cfg['BOOTPROTO'] = 'none' + if flavor == 'suse': + iface_cfg['BOOTPROTO'] = 'static' + if 'BRIDGE' in iface_cfg: + iface_cfg['BOOTPROTO'] = 'dhcp' + iface_cfg.drop('BRIDGE') + else: + iface_cfg['BOOTPROTO'] = 'none' # modifying base values according to subnets for i, subnet in enumerate(subnets, start=len(iface_cfg.children)): mtu_key = 'MTU' subnet_type = subnet.get('type') if subnet_type == 'dhcp6' or subnet_type == 'ipv6_dhcpv6-stateful': - # TODO need to set BOOTPROTO to dhcp6 on SUSE - iface_cfg['IPV6INIT'] = True - # Configure network settings using DHCPv6 - iface_cfg['DHCPV6C'] = True + if flavor == 'suse': + # User wants dhcp for both protocols + if iface_cfg['BOOTPROTO'] == 'dhcp4': + iface_cfg['BOOTPROTO'] = 'dhcp' + else: + # Only IPv6 is DHCP, IPv4 may be static + iface_cfg['BOOTPROTO'] = 'dhcp6' + iface_cfg['DHCLIENT6_MODE'] = 'managed' + else: + iface_cfg['IPV6INIT'] = True + # Configure network settings using DHCPv6 + iface_cfg['DHCPV6C'] = True elif subnet_type == 'ipv6_dhcpv6-stateless': - iface_cfg['IPV6INIT'] = True - # Configure network settings using SLAAC from RAs and optional - # info from dhcp server using DHCPv6 - iface_cfg['IPV6_AUTOCONF'] = True - iface_cfg['DHCPV6C'] = True - # Use Information-request to get only stateless configuration - # parameters (i.e., without address). - iface_cfg['DHCPV6C_OPTIONS'] = '-S' + if flavor == 'suse': + # User wants dhcp for both protocols + if iface_cfg['BOOTPROTO'] == 'dhcp4': + iface_cfg['BOOTPROTO'] = 'dhcp' + else: + # Only IPv6 is DHCP, IPv4 may be static + iface_cfg['BOOTPROTO'] = 'dhcp6' + iface_cfg['DHCLIENT6_MODE'] = 'info' + else: + iface_cfg['IPV6INIT'] = True + # Configure network settings using SLAAC from RAs and + # optional info from dhcp server using DHCPv6 + iface_cfg['IPV6_AUTOCONF'] = True + iface_cfg['DHCPV6C'] = True + # Use Information-request to get only stateless + # configuration parameters (i.e., without address). + iface_cfg['DHCPV6C_OPTIONS'] = '-S' elif subnet_type == 'ipv6_slaac': - iface_cfg['IPV6INIT'] = True - # Configure network settings using SLAAC from RAs - iface_cfg['IPV6_AUTOCONF'] = True + if flavor == 'suse': + # User wants dhcp for both protocols + if iface_cfg['BOOTPROTO'] == 'dhcp4': + iface_cfg['BOOTPROTO'] = 'dhcp' + else: + # Only IPv6 is DHCP, IPv4 may be static + iface_cfg['BOOTPROTO'] = 'dhcp6' + iface_cfg['DHCLIENT6_MODE'] = 'info' + else: + iface_cfg['IPV6INIT'] = True + # Configure network settings using SLAAC from RAs + iface_cfg['IPV6_AUTOCONF'] = True elif subnet_type in ['dhcp4', 'dhcp']: + bootproto_in = iface_cfg['BOOTPROTO'] iface_cfg['BOOTPROTO'] = 'dhcp' + if flavor == 'suse' and subnet_type == 'dhcp4': + # If dhcp6 is already specified the user wants dhcp + # for both protocols + if bootproto_in != 'dhcp6': + # Only IPv4 is DHCP, IPv6 may be static + iface_cfg['BOOTPROTO'] = 'dhcp4' elif subnet_type in ['static', 'static6']: + # RH info # grep BOOTPROTO sysconfig.txt -A2 | head -3 # BOOTPROTO=none|bootp|dhcp # 'bootp' or 'dhcp' cause a DHCP client # to run on the device. Any other # value causes any static configuration # in the file to be applied. - # ==> the following should not be set to 'static' - # but should remain 'none' - # if iface_cfg['BOOTPROTO'] == 'none': - # iface_cfg['BOOTPROTO'] = 'static' - if subnet_is_ipv6(subnet): + if subnet_is_ipv6(subnet) and flavor != 'suse': mtu_key = 'IPV6_MTU' iface_cfg['IPV6INIT'] = True if 'mtu' in subnet: @@ -388,18 +441,31 @@ class Renderer(renderer.Renderer): 'Network config: ignoring %s device-level mtu:%s' ' because ipv4 subnet-level mtu:%s provided.', iface_cfg.name, iface_cfg[mtu_key], subnet['mtu']) - iface_cfg[mtu_key] = subnet['mtu'] + if subnet_is_ipv6(subnet): + if flavor == 'suse': + # TODO(rjschwei) write mtu setting to + # /etc/sysctl.d/ + pass + else: + iface_cfg[mtu_key] = subnet['mtu'] + else: + iface_cfg[mtu_key] = subnet['mtu'] elif subnet_type == 'manual': - # If the subnet has an MTU setting, then ONBOOT=True - # to apply the setting - iface_cfg['ONBOOT'] = mtu_key in iface_cfg + if flavor == 'suse': + LOG.debug('Unknown subnet type setting "%s"', subnet_type) + else: + # If the subnet has an MTU setting, then ONBOOT=True + # to apply the setting + iface_cfg['ONBOOT'] = mtu_key in iface_cfg else: raise ValueError("Unknown subnet type '%s' found" " for interface '%s'" % (subnet_type, iface_cfg.name)) if subnet.get('control') == 'manual': - iface_cfg['ONBOOT'] = False - iface_cfg['STARTMODE'] = 'manual' + if flavor == 'suse': + iface_cfg['STARTMODE'] = 'manual' + else: + iface_cfg['ONBOOT'] = False # set IPv4 and IPv6 static addresses ipv4_index = -1 @@ -408,13 +474,14 @@ class Renderer(renderer.Renderer): subnet_type = subnet.get('type') # metric may apply to both dhcp and static config if 'metric' in subnet: - iface_cfg['METRIC'] = subnet['metric'] - # TODO(hjensas): Including dhcp6 here is likely incorrect. DHCPv6 - # does not ever provide a default gateway, the default gateway - # come from RA's. (https://github.com/openSUSE/wicked/issues/570) - if subnet_type in ['dhcp', 'dhcp4', 'dhcp6']: - if has_default_route and iface_cfg['BOOTPROTO'] != 'none': - iface_cfg['DHCLIENT_SET_DEFAULT_ROUTE'] = False + if flavor != 'suse': + iface_cfg['METRIC'] = subnet['metric'] + if subnet_type in ['dhcp', 'dhcp4']: + # On SUSE distros 'DHCLIENT_SET_DEFAULT_ROUTE' is a global + # setting in /etc/sysconfig/network/dhcp + if flavor != 'suse': + if has_default_route and iface_cfg['BOOTPROTO'] != 'none': + iface_cfg['DHCLIENT_SET_DEFAULT_ROUTE'] = False continue elif subnet_type in IPV6_DYNAMIC_TYPES: continue @@ -423,14 +490,21 @@ class Renderer(renderer.Renderer): ipv6_index = ipv6_index + 1 ipv6_cidr = "%s/%s" % (subnet['address'], subnet['prefix']) if ipv6_index == 0: - iface_cfg['IPV6ADDR'] = ipv6_cidr - iface_cfg['IPADDR6'] = ipv6_cidr + if flavor == 'suse': + iface_cfg['IPADDR6'] = ipv6_cidr + else: + iface_cfg['IPV6ADDR'] = ipv6_cidr elif ipv6_index == 1: - iface_cfg['IPV6ADDR_SECONDARIES'] = ipv6_cidr - iface_cfg['IPADDR6_0'] = ipv6_cidr + if flavor == 'suse': + iface_cfg['IPADDR6_1'] = ipv6_cidr + else: + iface_cfg['IPV6ADDR_SECONDARIES'] = ipv6_cidr else: - iface_cfg['IPV6ADDR_SECONDARIES'] += " " + ipv6_cidr - iface_cfg['IPADDR6_%d' % ipv6_index] = ipv6_cidr + if flavor == 'suse': + iface_cfg['IPADDR6_%d' % ipv6_index] = ipv6_cidr + else: + iface_cfg['IPV6ADDR_SECONDARIES'] += \ + " " + ipv6_cidr else: ipv4_index = ipv4_index + 1 suff = "" if ipv4_index == 0 else str(ipv4_index) @@ -438,17 +512,17 @@ class Renderer(renderer.Renderer): iface_cfg['NETMASK' + suff] = \ net_prefix_to_ipv4_mask(subnet['prefix']) - if 'gateway' in subnet: + if 'gateway' in subnet and flavor != 'suse': iface_cfg['DEFROUTE'] = True if is_ipv6_addr(subnet['gateway']): iface_cfg['IPV6_DEFAULTGW'] = subnet['gateway'] else: iface_cfg['GATEWAY'] = subnet['gateway'] - if 'dns_search' in subnet: + if 'dns_search' in subnet and flavor != 'suse': iface_cfg['DOMAIN'] = ' '.join(subnet['dns_search']) - if 'dns_nameservers' in subnet: + if 'dns_nameservers' in subnet and flavor != 'suse': if len(subnet['dns_nameservers']) > 3: # per resolv.conf(5) MAXNS sets this to 3. LOG.debug("%s has %d entries in dns_nameservers. " @@ -458,7 +532,12 @@ class Renderer(renderer.Renderer): iface_cfg['DNS' + str(i)] = k @classmethod - def _render_subnet_routes(cls, iface_cfg, route_cfg, subnets): + def _render_subnet_routes(cls, iface_cfg, route_cfg, subnets, flavor): + # TODO(rjschwei): route configuration on SUSE distro happens via + # ifroute-* files, see lp#1812117. SUSE currently carries a local + # patch in their package. + if flavor == 'suse': + return for _, subnet in enumerate(subnets, start=len(iface_cfg.children)): subnet_type = subnet.get('type') for route in subnet.get('routes', []): @@ -486,14 +565,7 @@ class Renderer(renderer.Renderer): # TODO(harlowja): add validation that no other iface has # also provided the default route? iface_cfg['DEFROUTE'] = True - # TODO(hjensas): Including dhcp6 here is likely incorrect. - # DHCPv6 does not ever provide a default gateway, the - # default gateway come from RA's. - # (https://github.com/openSUSE/wicked/issues/570) - if iface_cfg['BOOTPROTO'] in ('dhcp', 'dhcp4', 'dhcp6'): - # NOTE(hjensas): DHCLIENT_SET_DEFAULT_ROUTE is SuSE - # only. RHEL, CentOS, Fedora does not implement this - # option. + if iface_cfg['BOOTPROTO'] in ('dhcp', 'dhcp4'): iface_cfg['DHCLIENT_SET_DEFAULT_ROUTE'] = True if 'gateway' in route: if is_ipv6: @@ -537,7 +609,9 @@ class Renderer(renderer.Renderer): iface_cfg['BONDING_OPTS'] = " ".join(bond_opts) @classmethod - def _render_physical_interfaces(cls, network_state, iface_contents): + def _render_physical_interfaces( + cls, network_state, iface_contents, flavor + ): physical_filter = renderer.filter_by_physical for iface in network_state.iter_interfaces(physical_filter): iface_name = iface['name'] @@ -546,12 +620,15 @@ class Renderer(renderer.Renderer): route_cfg = iface_cfg.routes cls._render_subnets( - iface_cfg, iface_subnets, network_state.has_default_route + iface_cfg, iface_subnets, network_state.has_default_route, + flavor + ) + cls._render_subnet_routes( + iface_cfg, route_cfg, iface_subnets, flavor ) - cls._render_subnet_routes(iface_cfg, route_cfg, iface_subnets) @classmethod - def _render_bond_interfaces(cls, network_state, iface_contents): + def _render_bond_interfaces(cls, network_state, iface_contents, flavor): bond_filter = renderer.filter_by_type('bond') slave_filter = renderer.filter_by_attr('bond-master') for iface in network_state.iter_interfaces(bond_filter): @@ -565,17 +642,24 @@ class Renderer(renderer.Renderer): master_cfgs.extend(iface_cfg.children) for master_cfg in master_cfgs: master_cfg['BONDING_MASTER'] = True - master_cfg.kind = 'bond' + if flavor != 'suse': + master_cfg.kind = 'bond' if iface.get('mac_address'): - iface_cfg['MACADDR'] = iface.get('mac_address') + if flavor == 'suse': + iface_cfg['LLADDR'] = iface.get('mac_address') + else: + iface_cfg['MACADDR'] = iface.get('mac_address') iface_subnets = iface.get("subnets", []) route_cfg = iface_cfg.routes cls._render_subnets( - iface_cfg, iface_subnets, network_state.has_default_route + iface_cfg, iface_subnets, network_state.has_default_route, + flavor + ) + cls._render_subnet_routes( + iface_cfg, route_cfg, iface_subnets, flavor ) - cls._render_subnet_routes(iface_cfg, route_cfg, iface_subnets) # iter_interfaces on network-state is not sorted to produce # consistent numbers we need to sort. @@ -585,28 +669,44 @@ class Renderer(renderer.Renderer): if slave_iface['bond-master'] == iface_name]) for index, bond_slave in enumerate(bond_slaves): - slavestr = 'BONDING_SLAVE%s' % index + if flavor == 'suse': + slavestr = 'BONDING_SLAVE_%s' % index + else: + slavestr = 'BONDING_SLAVE%s' % index iface_cfg[slavestr] = bond_slave slave_cfg = iface_contents[bond_slave] - slave_cfg['MASTER'] = iface_name - slave_cfg['SLAVE'] = True + if flavor == 'suse': + slave_cfg['BOOTPROTO'] = 'none' + slave_cfg['STARTMODE'] = 'hotplug' + else: + slave_cfg['MASTER'] = iface_name + slave_cfg['SLAVE'] = True @classmethod - def _render_vlan_interfaces(cls, network_state, iface_contents): + def _render_vlan_interfaces(cls, network_state, iface_contents, flavor): vlan_filter = renderer.filter_by_type('vlan') for iface in network_state.iter_interfaces(vlan_filter): iface_name = iface['name'] iface_cfg = iface_contents[iface_name] - iface_cfg['VLAN'] = True - iface_cfg['PHYSDEV'] = iface_name[:iface_name.rfind('.')] + if flavor == 'suse': + vlan_id = iface.get('vlan_id') + if vlan_id: + iface_cfg['VLAN_ID'] = vlan_id + iface_cfg['ETHERDEVICE'] = iface_name[:iface_name.rfind('.')] + else: + iface_cfg['VLAN'] = True + iface_cfg['PHYSDEV'] = iface_name[:iface_name.rfind('.')] iface_subnets = iface.get("subnets", []) route_cfg = iface_cfg.routes cls._render_subnets( - iface_cfg, iface_subnets, network_state.has_default_route + iface_cfg, iface_subnets, network_state.has_default_route, + flavor + ) + cls._render_subnet_routes( + iface_cfg, route_cfg, iface_subnets, flavor ) - cls._render_subnet_routes(iface_cfg, route_cfg, iface_subnets) @staticmethod def _render_dns(network_state, existing_dns_path=None): @@ -643,19 +743,39 @@ class Renderer(renderer.Renderer): return out @classmethod - def _render_bridge_interfaces(cls, network_state, iface_contents): + def _render_bridge_interfaces(cls, network_state, iface_contents, flavor): + bridge_key_map = { + old_k: new_k for old_k, new_k in cls.cfg_key_maps[flavor].items() + if old_k.startswith('bridge')} bridge_filter = renderer.filter_by_type('bridge') + for iface in network_state.iter_interfaces(bridge_filter): iface_name = iface['name'] iface_cfg = iface_contents[iface_name] - iface_cfg.kind = 'bridge' - for old_key, new_key in cls.bridge_opts_keys: + if flavor != 'suse': + iface_cfg.kind = 'bridge' + for old_key, new_key in bridge_key_map.items(): if old_key in iface: iface_cfg[new_key] = iface[old_key] - if iface.get('mac_address'): - iface_cfg['MACADDR'] = iface.get('mac_address') + if flavor == 'suse': + if 'BRIDGE_STP' in iface_cfg: + if iface_cfg.get('BRIDGE_STP'): + iface_cfg['BRIDGE_STP'] = 'on' + else: + iface_cfg['BRIDGE_STP'] = 'off' + if iface.get('mac_address'): + key = 'MACADDR' + if flavor == 'suse': + key = 'LLADDRESS' + iface_cfg[key] = iface.get('mac_address') + + if flavor == 'suse': + if iface.get('bridge_ports', []): + iface_cfg['BRIDGE_PORTS'] = '%s' % " ".join( + iface.get('bridge_ports') + ) # Is this the right key to get all the connected interfaces? for bridged_iface_name in iface.get('bridge_ports', []): # Ensure all bridged interfaces are correctly tagged @@ -664,17 +784,23 @@ class Renderer(renderer.Renderer): bridged_cfgs = [bridged_cfg] bridged_cfgs.extend(bridged_cfg.children) for bridge_cfg in bridged_cfgs: - bridge_cfg['BRIDGE'] = iface_name + bridge_value = iface_name + if flavor == 'suse': + bridge_value = 'yes' + bridge_cfg['BRIDGE'] = bridge_value iface_subnets = iface.get("subnets", []) route_cfg = iface_cfg.routes cls._render_subnets( - iface_cfg, iface_subnets, network_state.has_default_route + iface_cfg, iface_subnets, network_state.has_default_route, + flavor + ) + cls._render_subnet_routes( + iface_cfg, route_cfg, iface_subnets, flavor ) - cls._render_subnet_routes(iface_cfg, route_cfg, iface_subnets) @classmethod - def _render_ib_interfaces(cls, network_state, iface_contents): + def _render_ib_interfaces(cls, network_state, iface_contents, flavor): ib_filter = renderer.filter_by_type('infiniband') for iface in network_state.iter_interfaces(ib_filter): iface_name = iface['name'] @@ -683,12 +809,15 @@ class Renderer(renderer.Renderer): iface_subnets = iface.get("subnets", []) route_cfg = iface_cfg.routes cls._render_subnets( - iface_cfg, iface_subnets, network_state.has_default_route + iface_cfg, iface_subnets, network_state.has_default_route, + flavor + ) + cls._render_subnet_routes( + iface_cfg, route_cfg, iface_subnets, flavor ) - cls._render_subnet_routes(iface_cfg, route_cfg, iface_subnets) @classmethod - def _render_sysconfig(cls, base_sysconf_dir, network_state, + def _render_sysconfig(cls, base_sysconf_dir, network_state, flavor, templates=None): '''Given state, return /etc/sysconfig files + contents''' if not templates: @@ -699,13 +828,17 @@ class Renderer(renderer.Renderer): continue iface_name = iface['name'] iface_cfg = NetInterface(iface_name, base_sysconf_dir, templates) - cls._render_iface_shared(iface, iface_cfg) + if flavor == 'suse': + iface_cfg.drop('DEVICE') + # If type detection fails it is considered a bug in SUSE + iface_cfg.drop('TYPE') + cls._render_iface_shared(iface, iface_cfg, flavor) iface_contents[iface_name] = iface_cfg - cls._render_physical_interfaces(network_state, iface_contents) - cls._render_bond_interfaces(network_state, iface_contents) - cls._render_vlan_interfaces(network_state, iface_contents) - cls._render_bridge_interfaces(network_state, iface_contents) - cls._render_ib_interfaces(network_state, iface_contents) + cls._render_physical_interfaces(network_state, iface_contents, flavor) + cls._render_bond_interfaces(network_state, iface_contents, flavor) + cls._render_vlan_interfaces(network_state, iface_contents, flavor) + cls._render_bridge_interfaces(network_state, iface_contents, flavor) + cls._render_ib_interfaces(network_state, iface_contents, flavor) contents = {} for iface_name, iface_cfg in iface_contents.items(): if iface_cfg or iface_cfg.children: @@ -727,7 +860,7 @@ class Renderer(renderer.Renderer): file_mode = 0o644 base_sysconf_dir = util.target_path(target, self.sysconf_dir) for path, data in self._render_sysconfig(base_sysconf_dir, - network_state, + network_state, self.flavor, templates=templates).items(): util.write_file(path, data, file_mode) if self.dns_path: |