23 lines
323 B
Bash
Executable file
23 lines
323 B
Bash
Executable file
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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#
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# Execute a subprocess in a network namespace
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set -e
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readonly NETNS="ns-$(mktemp -u XXXXXX)"
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setup() {
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ip netns add "${NETNS}"
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ip -netns "${NETNS}" link set lo up
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}
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cleanup() {
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ip netns del "${NETNS}"
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}
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trap cleanup EXIT
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setup
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ip netns exec "${NETNS}" "$@"
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exit "$?"
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