diff options
Diffstat (limited to 'cloudinit/net')
| -rw-r--r-- | cloudinit/net/__init__.py | 38 | ||||
| -rw-r--r-- | cloudinit/net/network_state.py | 4 | ||||
| -rw-r--r-- | cloudinit/net/sysconfig.py | 14 |
3 files changed, 56 insertions, 0 deletions
diff --git a/cloudinit/net/__init__.py b/cloudinit/net/__init__.py index 5e87bcad..f83d3681 100644 --- a/cloudinit/net/__init__.py +++ b/cloudinit/net/__init__.py @@ -569,6 +569,20 @@ def get_interface_mac(ifname): return read_sys_net_safe(ifname, path) +def get_ib_interface_hwaddr(ifname, ethernet_format): + """Returns the string value of an Infiniband interface's hardware + address. If ethernet_format is True, an Ethernet MAC-style 6 byte + representation of the address will be returned. + """ + # Type 32 is Infiniband. + if read_sys_net_safe(ifname, 'type') == '32': + mac = get_interface_mac(ifname) + if mac and ethernet_format: + # Use bytes 13-15 and 18-20 of the hardware address. + mac = mac[36:-14] + mac[51:] + return mac + + def get_interfaces_by_mac(): """Build a dictionary of tuples {mac: name}. @@ -580,6 +594,15 @@ def get_interfaces_by_mac(): "duplicate mac found! both '%s' and '%s' have mac '%s'" % (name, ret[mac], mac)) ret[mac] = name + # Try to get an Infiniband hardware address (in 6 byte Ethernet format) + # for the interface. + ib_mac = get_ib_interface_hwaddr(name, True) + if ib_mac: + if ib_mac in ret: + raise RuntimeError( + "duplicate mac found! both '%s' and '%s' have mac '%s'" % + (name, ret[ib_mac], ib_mac)) + ret[ib_mac] = name return ret @@ -607,6 +630,21 @@ def get_interfaces(): return ret +def get_ib_hwaddrs_by_interface(): + """Build a dictionary mapping Infiniband interface names to their hardware + address.""" + ret = {} + for name, _, _, _ in get_interfaces(): + ib_mac = get_ib_interface_hwaddr(name, False) + if ib_mac: + if ib_mac in ret: + raise RuntimeError( + "duplicate mac found! both '%s' and '%s' have mac '%s'" % + (name, ret[ib_mac], ib_mac)) + ret[name] = ib_mac + return ret + + class EphemeralIPv4Network(object): """Context manager which sets up temporary static network configuration. diff --git a/cloudinit/net/network_state.py b/cloudinit/net/network_state.py index 72c803eb..f76e508a 100644 --- a/cloudinit/net/network_state.py +++ b/cloudinit/net/network_state.py @@ -483,6 +483,10 @@ class NetworkStateInterpreter(object): interfaces.update({iface['name']: iface}) + @ensure_command_keys(['name']) + def handle_infiniband(self, command): + self.handle_physical(command) + @ensure_command_keys(['address']) def handle_nameserver(self, command): dns = self._network_state.get('dns') diff --git a/cloudinit/net/sysconfig.py b/cloudinit/net/sysconfig.py index 66e970e0..9c16d3a7 100644 --- a/cloudinit/net/sysconfig.py +++ b/cloudinit/net/sysconfig.py @@ -174,6 +174,7 @@ class NetInterface(ConfigMap): 'ethernet': 'Ethernet', 'bond': 'Bond', 'bridge': 'Bridge', + 'infiniband': 'InfiniBand', } def __init__(self, iface_name, base_sysconf_dir, templates, @@ -569,6 +570,18 @@ class Renderer(renderer.Renderer): cls._render_subnet_routes(iface_cfg, route_cfg, iface_subnets) @classmethod + def _render_ib_interfaces(cls, network_state, iface_contents): + ib_filter = renderer.filter_by_type('infiniband') + for iface in network_state.iter_interfaces(ib_filter): + iface_name = iface['name'] + iface_cfg = iface_contents[iface_name] + iface_cfg.kind = 'infiniband' + iface_subnets = iface.get("subnets", []) + route_cfg = iface_cfg.routes + cls._render_subnets(iface_cfg, iface_subnets) + cls._render_subnet_routes(iface_cfg, route_cfg, iface_subnets) + + @classmethod def _render_sysconfig(cls, base_sysconf_dir, network_state, templates=None): '''Given state, return /etc/sysconfig files + contents''' @@ -586,6 +599,7 @@ class Renderer(renderer.Renderer): 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) contents = {} for iface_name, iface_cfg in iface_contents.items(): if iface_cfg or iface_cfg.children: |