updates to clear broker from physical node

This commit is contained in:
Blake Harnden 2019-10-16 17:11:21 -07:00
parent 61a4e228a1
commit 8aef9f273f
3 changed files with 48 additions and 46 deletions

View file

@ -153,7 +153,7 @@ class Session(object):
self.services.default_services = {
"mdr": ("zebra", "OSPFv3MDR", "IPForward"),
"PC": ("DefaultRoute",),
"prouter": ("zebra", "OSPFv2", "OSPFv3", "IPForward"),
"prouter": (),
"router": ("zebra", "OSPFv2", "OSPFv3", "IPForward"),
"host": ("DefaultRoute", "SSH"),
}
@ -192,8 +192,14 @@ class Session(object):
for name in self.servers:
server = self.servers[name]
self.create_gre_tunnel(node, server)
def create_gre_tunnel(self, node, server):
host = server.host
key = self.tunnelkey(node_id, IpAddress.to_int(host))
key = self.tunnelkey(node.id, IpAddress.to_int(host))
tunnel = self.tunnels.get(key)
if tunnel is not None:
return tunnel
# local to server
logging.info(
@ -204,20 +210,15 @@ class Session(object):
# server to local
logging.info(
"remote tunnel node(%s) to local(%s) key(%s)",
node.name,
self.address,
key,
)
remote_tap = GreTap(
session=self, remoteip=self.address, key=key, server=server
)
remote_tap.net_client.create_interface(
node.brname, remote_tap.localname
"remote tunnel node(%s) to local(%s) key(%s)", node.name, self.address, key
)
remote_tap = GreTap(session=self, remoteip=self.address, key=key, server=server)
remote_tap.net_client.create_interface(node.brname, remote_tap.localname)
# save tunnels for shutdown
self.tunnels[key] = (local_tap, remote_tap)
tunnel = (local_tap, remote_tap)
self.tunnels[key] = tunnel
return tunnel
def tunnelkey(self, n1_id, n2_id):
"""

View file

@ -9,15 +9,19 @@ import threading
from core import utils
from core.constants import MOUNT_BIN, UMOUNT_BIN
from core.emulator.enumerations import NodeTypes
from core.errors import CoreCommandError
from core.errors import CoreCommandError, CoreError
from core.nodes.base import CoreNodeBase
from core.nodes.interface import CoreInterface
from core.nodes.network import CoreNetwork, GreTap
class PhysicalNode(CoreNodeBase):
def __init__(self, session, _id=None, name=None, nodedir=None, start=True):
CoreNodeBase.__init__(self, session, _id, name, start=start)
def __init__(
self, session, _id=None, name=None, nodedir=None, start=True, server=None
):
CoreNodeBase.__init__(self, session, _id, name, start, server)
if not self.server:
raise CoreError("physical nodes must be assigned to a remote server")
self.nodedir = nodedir
self.up = start
self.lock = threading.RLock()
@ -86,7 +90,6 @@ class PhysicalNode(CoreNodeBase):
def adoptnetif(self, netif, ifindex, hwaddr, addrlist):
"""
The broker builds a GreTap tunnel device to this physical node.
When a link message is received linking this node to another part of
the emulation, no new interface is created; instead, adopt the
GreTap netif as the node interface.
@ -157,23 +160,18 @@ class PhysicalNode(CoreNodeBase):
if ifindex is None:
ifindex = self.newifindex()
if self.up:
# this is reached when this node is linked to a network node
# tunnel to net not built yet, so build it now and adopt it
gt = self.session.broker.addnettunnel(net.id)
if gt is None or len(gt) != 1:
raise ValueError(
"error building tunnel from adding a new network interface: %s" % gt
)
gt = gt[0]
net.detach(gt)
self.adoptnetif(gt, ifindex, hwaddr, addrlist)
return ifindex
# this is reached when configuring services (self.up=False)
if ifname is None:
ifname = "gt%d" % ifindex
if self.up:
# this is reached when this node is linked to a network node
# tunnel to net not built yet, so build it now and adopt it
_, remote_tap = self.session.create_gre_tunnel(net, self.server)
# net.detach(remote_tap)
self.adoptnetif(remote_tap, ifindex, hwaddr, addrlist)
return ifindex
else:
# this is reached when configuring services (self.up=False)
netif = GreTap(node=self, name=ifname, session=self.session, start=False)
self.adoptnetif(netif, ifindex, hwaddr, addrlist)
return ifindex
@ -223,6 +221,9 @@ class PhysicalNode(CoreNodeBase):
os.chmod(node_file.name, mode)
logging.info("created nodefile: '%s'; mode: 0%o", node_file.name, mode)
def node_net_cmd(self, args, wait=True):
return self.net_cmd(args, wait=wait)
class Rj45Node(CoreNodeBase, CoreInterface):
"""

View file

@ -19,7 +19,7 @@ array set g_node_types_default {
4 {mdr mdr.gif mdr.gif {zebra OSPFv3MDR IPForward} \
netns {built-in type for wireless routers}}
5 {prouter router_green.gif router_green.gif \
{zebra OSPFv2 OSPFv3 IPForward} \
{} \
physical {built-in type for physical nodes}}
}