14 lines
869 B
Bash
14 lines
869 B
Bash
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#!/usr/bin/env bash
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# netvm-exec.sh <node> -- <cmd> [args...] — run a command inside the node's
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# netns as the invoking user. The agent-friendly primitive for "do X in the
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# node's network": egress tests, automation, debugging.
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# (The node must be up; see netvm-node-up.sh / netvm-fleet.sh up.)
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set -euo pipefail
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NETVM_BIN="$(cd "$(dirname "$0")" && pwd)"
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NODE="${1:?usage: netvm-exec.sh <node> -- <cmd> [args...]}"; shift
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[ "${1:-}" = "--" ] && shift
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[ $# -gt 0 ] || { echo "usage: netvm-exec.sh <node> -- <cmd> [args...]"; exit 1; }
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[ -f "/etc/netvm/${NODE}.conf" ] || { echo "no warp identity for '$NODE' (human: netvm-new-identity.sh $NODE)"; exit 1; }
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ip netns list 2>/dev/null | grep -q "^warp-${NODE}" || { echo "node '$NODE' is not up (netvm-node-up.sh $NODE)"; exit 1; }
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exec sudo -n "$NETVM_BIN/netvm-enter.sh" "$NODE" "$(id -u)" "$(id -g)" "$HOME" -- "$@"
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