77 lines
3.5 KiB
Bash
77 lines
3.5 KiB
Bash
|
#!/usr/bin/env bash
|
||
|
|
# ╔══════════════════════════════════════════════════════════════════╗
|
||
|
|
# ║ arch-dev roaming :: add_new_machine ║
|
||
|
|
# ║ Onboard a new host into the roaming fleet: ║
|
||
|
|
# ║ 1. push your SSH key (ssh-copy-id) ║
|
||
|
|
# ║ 2. register it in ~/.config/roaming/hosts ║
|
||
|
|
# ║ 3. optionally test the connection + mount ║
|
||
|
|
# ╚══════════════════════════════════════════════════════════════════╝
|
||
|
|
set -euo pipefail
|
||
|
|
|
||
|
|
ROAMING_DIR="${ROAMING_DIR:-$HOME/.config/roaming}"
|
||
|
|
ROAMING_HOSTS="${ROAMING_HOSTS:-$ROAMING_DIR/hosts}"
|
||
|
|
ROAMING_DEFAULT_USER="${ROAMING_DEFAULT_USER:-$USER}"
|
||
|
|
|
||
|
|
usage() {
|
||
|
|
cat <<EOF
|
||
|
|
Usage: add_new_machine.sh <name> <fqdn> [user] [mount]
|
||
|
|
|
||
|
|
name short alias for the host (e.g. mail)
|
||
|
|
fqdn reachable hostname (e.g. mail.tailnet.ts)
|
||
|
|
user ssh user (default: $ROAMING_DEFAULT_USER)
|
||
|
|
mount remote path to expose via sshfs (optional, e.g. / or /srv)
|
||
|
|
|
||
|
|
Examples:
|
||
|
|
add_new_machine.sh mail mail.tailnet.ts root /
|
||
|
|
add_new_machine.sh proxy proxy.tailnet.ts admin /etc/caddy
|
||
|
|
add_new_machine.sh dev dev-server.tailnet.ts youruser
|
||
|
|
EOF
|
||
|
|
exit 1
|
||
|
|
}
|
||
|
|
|
||
|
|
[[ $# -lt 2 ]] && usage
|
||
|
|
|
||
|
|
NAME="$1"
|
||
|
|
FQDN="$2"
|
||
|
|
USER_ARG="${3:-$ROAMING_DEFAULT_USER}"
|
||
|
|
MOUNT="${4:-}"
|
||
|
|
|
||
|
|
mkdir -p "$ROAMING_DIR"
|
||
|
|
touch "$ROAMING_HOSTS"
|
||
|
|
|
||
|
|
# ── Guard: already registered? ────────────────────────────────────────────────
|
||
|
|
if grep -qE "^\s*${NAME}\s" "$ROAMING_HOSTS" 2>/dev/null; then
|
||
|
|
echo "✗ '$NAME' is already in $ROAMING_HOSTS"
|
||
|
|
echo " edit the file directly to change it"
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
# ── Step 1: SSH key ───────────────────────────────────────────────────────────
|
||
|
|
echo "── Step 1: pushing SSH key to ${USER_ARG}@${FQDN} ──"
|
||
|
|
echo " (you'll be prompted for the remote password once)"
|
||
|
|
if ssh-copy-id "${USER_ARG}@${FQDN}"; then
|
||
|
|
echo " ✓ key installed"
|
||
|
|
else
|
||
|
|
echo " ✗ ssh-copy-id failed — aborting, nothing registered"
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
# ── Step 2: register ──────────────────────────────────────────────────────────
|
||
|
|
echo "── Step 2: registering in $ROAMING_HOSTS ──"
|
||
|
|
printf "%-10s %-26s %-8s %s\n" "$NAME" "$FQDN" "$USER_ARG" "$MOUNT" >> "$ROAMING_HOSTS"
|
||
|
|
echo " ✓ registered"
|
||
|
|
|
||
|
|
# ── Step 3: verify ────────────────────────────────────────────────────────────
|
||
|
|
echo "── Step 3: verifying connection ──"
|
||
|
|
if ssh -o BatchMode=yes -o ConnectTimeout=8 "${USER_ARG}@${FQDN}" 'echo ok' >/dev/null 2>&1; then
|
||
|
|
echo " ✓ key-based SSH works"
|
||
|
|
else
|
||
|
|
echo " ⚠ key-based SSH test failed (host may still be fine — check manually)"
|
||
|
|
fi
|
||
|
|
|
||
|
|
echo ""
|
||
|
|
echo "✓ Done. In a new shell (or after 'roaming-reload'):"
|
||
|
|
echo " $NAME # interactive shell"
|
||
|
|
echo " $NAME sudo systemctl status # run a command"
|
||
|
|
[[ -n "$MOUNT" ]] && echo " mount_host $NAME # sshfs ${MOUNT} → /workspace/$NAME"
|