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test(e2e): require KVM for harness
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tests/e2e/run.py
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tests/e2e/run.py
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dnsmasq_conf = workdir / "dnsmasq.conf"
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make_dnsmasq_config(dnsmasq_conf, bridge)
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use_kvm = os.path.exists("/dev/kvm") and os.access("/dev/kvm", os.R_OK | os.W_OK)
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if use_kvm:
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log("using KVM acceleration")
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else:
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log("KVM is unavailable, falling back to software emulation")
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if not os.path.exists("/dev/kvm"):
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print("/dev/kvm is required to run the e2e harness", file=sys.stderr)
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return 1
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if not os.access("/dev/kvm", os.R_OK | os.W_OK):
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print("/dev/kvm is present but not accessible; fix its permissions and retry", file=sys.stderr)
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return 1
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log("using KVM acceleration")
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try:
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run(["ip", "link", "add", bridge, "type", "bridge"])
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"-device",
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f"e1000,netdev=net0,mac={machine['mac']},bootindex=1",
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]
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if use_kvm:
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cmd.extend(["-enable-kvm", "-cpu", "host"])
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else:
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cmd.extend(["-cpu", "max"])
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cmd.extend(["-enable-kvm", "-cpu", "host"])
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qemu_log = workdir / f"{machine['name']}.qemu.log"
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qemu_proc, qemu_handle = start_process(machine["name"], cmd, qemu_log)