fix KEY_PATH init, compose.yaml sed, registry write, known_hosts dedup, fusermount3 compat

hub/offboard-spoke.sh

@@ -32,7 +32,16 @@ if [ "$(id -u)" -eq 0 ]; then
     die "Run as the hub user, not root."
 fi
 
-check_deps rclone crontab fusermount python3
+check_deps rclone crontab python3
+
+FUSERMOUNT=""
+if command -v fusermount3 >/dev/null 2>&1; then
+    FUSERMOUNT="fusermount3"
+elif command -v fusermount >/dev/null 2>&1; then
+    FUSERMOUNT="fusermount"
+else
+    die "Neither fusermount nor fusermount3 found"
+fi
 
 header "TinyBoard Hub — Offboard Spoke"
 
@@ -64,7 +73,7 @@ read -rp "Are you sure you want to offboard $SPOKE_NAME? [y/N]: " CONFIRM
 
 header "Unmounting Spoke"
 if mountpoint -q "$MOUNT_POINT" 2>/dev/null; then
-    if fusermount -u "$MOUNT_POINT" 2>/dev/null; then
+    if $FUSERMOUNT -u "$MOUNT_POINT" 2>/dev/null; then
         info "Unmounted $MOUNT_POINT."
     else
         warn "Could not unmount $MOUNT_POINT — may already be unmounted."

hub/onboard-spoke.sh

@@ -3,6 +3,7 @@ set -euo pipefail
 
 RCLONE_CONF="${HOME}/.config/rclone/rclone.conf"
 SSH_DIR="${HOME}/.ssh"
+REGISTRY="${HOME}/.config/tinyboard/spokes"
 
 RED='\033[0;31m'
 GREEN='\033[0;32m'
@@ -76,7 +77,10 @@ header "Checking Tunnel"
 info "Scanning spoke host key..."
 KEYSCAN=$(ssh-keyscan -p "$TUNNEL_PORT" -H localhost 2>/dev/null)
 [ -n "$KEYSCAN" ] || die "Spoke not reachable on port $TUNNEL_PORT — is the tunnel up?"
+KEYSCAN_KEY=$(echo "$KEYSCAN" | awk '{print $3}')
+if ! grep -qF "$KEYSCAN_KEY" "$SSH_DIR/known_hosts" 2>/dev/null; then
     echo "$KEYSCAN" >> "$SSH_DIR/known_hosts"
+fi
 
 info "Verifying spoke is reachable on port $TUNNEL_PORT..."
 retry_or_abort \
@@ -128,6 +132,17 @@ else
     warn "rclone test failed. Check the remote config in $RCLONE_CONF."
 fi
 
+header "Registering Spoke"
+mkdir -p "$(dirname "$REGISTRY")"
+MOUNT_POINT="${HOME}/mnt/${SPOKE_NAME}"
+mkdir -p "$MOUNT_POINT"
+if grep -q "^${SPOKE_NAME} " "$REGISTRY" 2>/dev/null; then
+    warn "$SPOKE_NAME already in registry, updating."
+    (grep -v "^${SPOKE_NAME} " "$REGISTRY" || true) > "${REGISTRY}.tmp" && mv "${REGISTRY}.tmp" "$REGISTRY"
+fi
+echo "${SPOKE_NAME} ${TUNNEL_PORT} ${KEY_PATH} ${MOUNT_POINT}" >> "$REGISTRY"
+info "$SPOKE_NAME registered."
+
 header "Onboarding Complete"
 echo -e "  Spoke:       ${GREEN}$SPOKE_NAME${NC}"
 echo -e "  Port:        ${GREEN}$TUNNEL_PORT${NC}"

spoke/setup-spoke.sh

@@ -4,6 +4,7 @@ set -euo pipefail
 HUB_HOST=""
 HUB_USER=""
 SPOKE_USER=""
+KEY_PATH=""
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 SPOKE_DIR="$SCRIPT_DIR"
 COMPOSE="$SPOKE_DIR/compose.yaml"
@@ -303,7 +304,8 @@ info "Setting port to $TUNNEL_PORT and key to $KEY_NAME..."
 
 sed -i "s|-R [0-9]*:localhost:22|-R ${TUNNEL_PORT}:localhost:22|g" "$COMPOSE"
 sed -i "s|-i /home/[^ ]*/\.ssh/[^ ]*|-i ${SSH_DIR}/${KEY_NAME}|g" "$COMPOSE"
-sed -i "s|/home/[^/]*/\.ssh/[^:]*:/home/[^/]*/\.ssh/[^:]*|${SSH_DIR}/${KEY_NAME}:${SSH_DIR}/${KEY_NAME}|g" "$COMPOSE"
+sed -i "s|/home/[^/]*/\.ssh/[^:]*:${SSH_DIR}/[^:]*|${SSH_DIR}/${KEY_NAME}:${SSH_DIR}/${KEY_NAME}|g" "$COMPOSE"
+sed -i "s|/home/[^/]*/\.ssh/known_hosts|${SSH_DIR}/known_hosts|g" "$COMPOSE"
 sed -i "s|container_name: spoke-autossh|container_name: ${SPOKE_NAME}-autossh|g" "$COMPOSE"
 sed -i "s|container_name: spoke-syncthing|container_name: ${SPOKE_NAME}-syncthing|g" "$COMPOSE"
 sed -i "s|hostname: spoke-syncthing|hostname: ${SPOKE_NAME}-syncthing|g" "$COMPOSE"
@@ -325,7 +327,7 @@ docker compose up -d
 info "Waiting for tunnel to establish..."
 sleep 6
 
-LOGS=$(docker logs "${SPOKE_NAME}-autossh" 2>&1 || docker logs spoke-autossh 2>&1 || true)
+LOGS=$(docker logs "${SPOKE_NAME}-autossh" 2>&1 || true)
 if echo "$LOGS" | grep -q "remote port forwarding failed"; then
     warn "Tunnel failed — port $TUNNEL_PORT may have been taken between check and connect."
     warn "Try running: docker compose down && docker compose up -d"