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https://github.com/GNS3/gns3-server.git
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200c946eef
Whether an IOU port can terminate on a persistent TAP (iol_bridge add_nio_tap) is a capability of its own: the tap module and that command land independently, so a build may have one without the other. Probed on a scratch IOL bridge with a scratch TAP — one add/delete cycle, no iol_bridge start needed (attaching a NIO works on a stopped bridge) — cached by binary identity, with the scratch bridge id above the per-node id space the fabric locks (513..1024) so a probe cannot collide with a running node. Any failure, including an old build's "Unknown command", means unknown: IOU stays on the relay datapath. Reported through /capabilities as ubridge_iol_tap, next to ubridge_tap.
64 lines
2.6 KiB
Python
64 lines
2.6 KiB
Python
#
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# Copyright (C) 2020 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from typing import List, Optional
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from pydantic import BaseModel, Field
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from .nodes import NodeType
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class UbridgeTcCapabilities(BaseModel):
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"""
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uBridge tc-module capabilities (kernel-datapath packet filters), probed
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by the compute as its own user.
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"""
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netem: List[str] = Field(..., description="netem keywords supported by this uBridge's tc module")
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ebpf: bool = Field(..., description="Whether the eBPF stateful classifier loads on this host")
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ebpf_modes: List[str] = Field(
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..., description="eBPF classifier modes usable on this host (ebpf is on and the mode token is declared)"
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)
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cbpf: bool = Field(..., description="Whether classic-BPF match-drop classifiers are available")
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class Capabilities(BaseModel):
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"""
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Capabilities properties.
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"""
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version: str = Field(..., description="Compute version number")
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node_types: List[NodeType] = Field(..., description="Node types supported by the compute")
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platform: str = Field(..., description="Platform where the compute is running")
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cpus: int = Field(..., description="Number of CPUs on this compute")
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memory: int = Field(..., description="Amount of memory on this compute")
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disk_size: int = Field(..., description="Disk size on this compute")
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ubridge_tc: Optional[UbridgeTcCapabilities] = Field(
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None, description="uBridge tc-module capabilities; absent when the probe failed or uBridge has no tc module"
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)
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ubridge_tap: Optional[bool] = Field(
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None,
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description="Whether uBridge can create the persistent TAPs a QEMU adapter anchors on "
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"(needed to wire QEMU links on the kernel datapath); absent when the probe failed",
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)
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ubridge_iol_tap: Optional[bool] = Field(
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None,
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description="Whether uBridge can bind an IOL port to a persistent TAP (iol_bridge add_nio_tap, "
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"the anchor IOU Ethernet ports need to wire IOU links on the kernel datapath); absent when the "
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"probe failed",
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)
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