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https://github.com/GNS3/gns3-server
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Allow to configure the interface to be used by the NAT node. Fixes #1175.
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@ -40,7 +40,12 @@ user = gns3
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password = gns3
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; Only allow these interfaces to be used by GNS3, for the Cloud node for example (Linux/OSX only)
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allowed_interfaces = eth0,eth1
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; Do not forget to allow virbr0 in order for the NAT node to work
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allowed_interfaces = eth0,eth1,virbr0
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; Specify the NAT interface to be used by the NAT node
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; Default is virbr0 on Linux (requires libvirt) and vmnet8 for other platforms (requires VMware)
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nat_interface = vmnet10
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[VPCS]
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; VPCS executable location, default: search in PATH
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@ -22,6 +22,9 @@ from ...error import NodeError
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import gns3server.utils.interfaces
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import logging
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log = logging.getLogger(__name__)
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class Nat(Cloud):
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"""
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@ -29,19 +32,22 @@ class Nat(Cloud):
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NAT access.
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"""
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def __init__(self, *args, **kwargs):
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def __init__(self, name, node_id, project, manager, ports=None):
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if sys.platform.startswith("linux"):
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if "virbr0" not in [interface["name"] for interface in gns3server.utils.interfaces.interfaces()]:
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raise NodeError("virbr0 is missing, please install libvirt")
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interface = "virbr0"
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nat_interface = manager.config.get_section_config("Server").get("nat_interface", "virbr0")
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if nat_interface not in [interface["name"] for interface in gns3server.utils.interfaces.interfaces()]:
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raise NodeError("NAT interface {} is missing, please install libvirt".format(nat_interface))
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interface = nat_interface
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else:
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interfaces = list(filter(lambda x: 'vmnet8' in x.lower(),
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nat_interface = manager.config.get_section_config("Server").get("nat_interface", "vmnet8")
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interfaces = list(filter(lambda x: nat_interface in x.lower(),
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[interface["name"] for interface in gns3server.utils.interfaces.interfaces()]))
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if not len(interfaces):
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raise NodeError("vmnet8 is missing. You need to install VMware or use the NAT node on GNS3 VM")
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raise NodeError("NAT interface {} is missing. You need to install VMware or use the NAT node on GNS3 VM".format(nat_interface))
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interface = interfaces[0] # take the first available interface containing the vmnet8 name
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log.info("NAT node '{}' configured to use NAT interface '{}'".format(name, interface))
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ports = [
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{
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"name": "nat0",
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@ -50,7 +56,7 @@ class Nat(Cloud):
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"port_number": 0
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}
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]
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super().__init__(*args, ports=ports)
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super().__init__(name, node_id, project, manager, ports=ports)
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@property
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def ports_mapping(self):
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