Antigravity Agent
55 lines
2.5 KiB
Bash
Executable File
55 lines
2.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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# netvm-provision-edge.sh — prepare an edge device for operator-managed NetVM.
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# Run ON the edge device as a user with sudo (interactive sudo is fine).
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# Idempotent: safe to re-run. Every edge device provisioned this way looks
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# identical, so the operator uses one command everywhere.
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set -euo pipefail
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OPERATOR_USER="${OPERATOR_USER:-$(whoami)}"
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REPO="$HOME/Projects/NetVM"
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SUDOERS_FILE="/etc/sudoers.d/zz-netvm-operator"
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echo "== NetVM edge provisioning (operator user: $OPERATOR_USER) =="
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# 1. prerequisites (best-effort install for the common missing piece: wg)
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if ! "$REPO/bin/netvm-verify.sh"; then
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echo "-- installing missing packages --"
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if command -v pacman >/dev/null 2>&1; then
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sudo pacman -S --noconfirm --needed wireguard-tools
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elif command -v apt-get >/dev/null 2>&1; then
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sudo apt-get update && sudo apt-get install -y wireguard
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else
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echo "install wireguard-tools manually, then re-run"; exit 1
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fi
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"$REPO/bin/netvm-verify.sh"
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fi
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# 2. repo must be here (sync over Tailscale first on non-laptop nodes)
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[ -x "$REPO/bin/netvm-node-up.sh" ] || { echo "NetVM repo not at $REPO — sync it here first"; exit 1; }
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# 3. sudoers allowlist: exact lifecycle scripts only, never blanket root
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sudo tee "$SUDOERS_FILE" > /dev/null << SUDOERS
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# NetVM operator lifecycle access — managed by netvm-provision-edge.sh. Named zz- so it sorts last: in sudoers the LAST matching entry wins, and this must beat any blanket (ALL) grant.
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# Lets the operator user bring node egress up/down and read topology.
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# WireGuard configs in /etc/netvm stay root-only; these scripts never print them.
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$OPERATOR_USER ALL=(root) NOPASSWD: $REPO/bin/netvm-node-up.sh *, $REPO/bin/netvm-node-down.sh *, $REPO/bin/netvm-topology.sh, $REPO/bin/netvm-enter.sh *
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# let the display env survive sudo for browser launches inside the netns
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Defaults!$REPO/bin/netvm-enter.sh env_keep+="DISPLAY WAYLAND_DISPLAY XDG_RUNTIME_DIR XAUTHORITY"
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SUDOERS
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sudo chmod 440 "$SUDOERS_FILE"
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sudo visudo -c -f "$SUDOERS_FILE" > /dev/null && echo "ok: sudoers valid"
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# 4. dir for human-placed WireGuard identities
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sudo mkdir -p /etc/netvm
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sudo chmod 700 /etc/netvm
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echo "ok: /etc/netvm ready"
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# 5. tailnet check
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tailscale status >/dev/null 2>&1 && echo "ok: tailscale up" || echo "NOTE: tailscale not up — run: tailscale up"
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echo
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echo "Done. Human next step: place this node's WireGuard config at"
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echo " /etc/netvm/<node>.conf (root-owned, 0600; wgcf-generated)"
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echo "Operator usage from anywhere on the tailnet:"
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echo " ssh ${OPERATOR_USER}@<tail-ip> 'sudo -n $REPO/bin/netvm-node-up.sh <node>'"
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