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f6c2c79a70
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f6c2c79a70 | ||
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cf8a10818a | ||
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fefd082af2 |
88
hub/onboard-spoke.sh
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88
hub/onboard-spoke.sh
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@@ -0,0 +1,88 @@
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#!/usr/bin/env bash
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set -euo pipefail
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RCLONE_CONF="${HOME}/.config/rclone/rclone.conf"
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SSH_DIR="${HOME}/.ssh"
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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CYAN='\033[0;36m'
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NC='\033[0m'
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info() { echo -e "${GREEN}[+]${NC} $*"; }
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warn() { echo -e "${YELLOW}[!]${NC} $*"; }
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die() { echo -e "${RED}[ERROR]${NC} $*" >&2; exit 1; }
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header() { echo -e "\n${CYAN}══════════════════════════════════════════${NC}"; echo -e "${CYAN} $*${NC}"; echo -e "${CYAN}══════════════════════════════════════════${NC}"; }
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header "TinyBoard Hub — Onboard New Spoke"
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read -rp "Spoke name (e.g. rocky): " SPOKE_NAME
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[ -n "$SPOKE_NAME" ] || die "Spoke name cannot be empty"
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read -rp "Tunnel port for $SPOKE_NAME: " TUNNEL_PORT
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[[ "$TUNNEL_PORT" =~ ^[0-9]+$ ]] || die "Invalid port"
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KEY_NAME="armbian-${SPOKE_NAME}-$(date +%Y%m)"
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KEY_PATH="$SSH_DIR/$KEY_NAME"
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header "Checking Tunnel"
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info "Verifying spoke is reachable on port $TUNNEL_PORT..."
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ssh -o BatchMode=yes -o ConnectTimeout=10 -p "$TUNNEL_PORT" armbian@localhost exit 2>/dev/null \
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&& info "Spoke is reachable." \
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|| die "Cannot reach spoke on port $TUNNEL_PORT. Make sure the spoke tunnel is up."
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header "Generating Hub SSH Key"
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if [ -f "$KEY_PATH" ]; then
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warn "Key $KEY_PATH already exists, skipping generation."
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else
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ssh-keygen -t ed25519 -f "$KEY_PATH" -N ""
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info "Key generated: $KEY_PATH"
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fi
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header "Copying Hub Key to Spoke"
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info "Running ssh-copy-id to armbian@localhost:$TUNNEL_PORT..."
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ssh-copy-id -i "$KEY_PATH.pub" -p "$TUNNEL_PORT" armbian@localhost
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info "Key copied."
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header "Testing Hub -> Spoke Key Auth"
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if ssh -i "$KEY_PATH" -o BatchMode=yes -o ConnectTimeout=10 -p "$TUNNEL_PORT" armbian@localhost exit 2>/dev/null; then
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info "Key auth to spoke successful."
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else
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die "Key auth failed. Check authorized_keys on the spoke."
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fi
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header "Adding rclone Remote"
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if grep -q "\[${SPOKE_NAME}-remote\]" "$RCLONE_CONF" 2>/dev/null; then
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warn "Remote [${SPOKE_NAME}-remote] already exists in $RCLONE_CONF, skipping."
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else
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cat >> "$RCLONE_CONF" <<EOF
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[${SPOKE_NAME}-remote]
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type = sftp
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host = localhost
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port = $TUNNEL_PORT
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key_file = $KEY_PATH
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shell_type = unix
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md5sum_command = md5sum
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sha1sum_command = sha1sum
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EOF
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info "Remote [${SPOKE_NAME}-remote] added to $RCLONE_CONF."
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fi
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header "Testing rclone Connection"
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if rclone lsd "${SPOKE_NAME}-remote:" --config "$RCLONE_CONF" 2>/dev/null; then
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info "rclone connection to $SPOKE_NAME successful."
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else
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warn "rclone test failed. Check the remote config in $RCLONE_CONF."
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fi
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header "Onboarding Complete"
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echo -e " Spoke: ${GREEN}$SPOKE_NAME${NC}"
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echo -e " Port: ${GREEN}$TUNNEL_PORT${NC}"
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echo -e " Hub key: ${GREEN}$KEY_PATH${NC}"
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echo -e " rclone: ${GREEN}${SPOKE_NAME}-remote${NC}"
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echo ""
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echo -e "${YELLOW}To mount this spoke:${NC}"
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echo " hubspoke-helper.sh hub start"
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echo ""
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189
setup.sh
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189
setup.sh
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@@ -0,0 +1,189 @@
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#!/usr/bin/env bash
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set -euo pipefail
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HUB_HOST="oily.dad"
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HUB_USER="armbian"
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ARMBIAN_HOME="/home/armbian"
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SSH_DIR="$ARMBIAN_HOME/.ssh"
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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SPOKE_DIR="$SCRIPT_DIR/spoke"
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COMPOSE="$SPOKE_DIR/compose.yaml"
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START_PORT=11111
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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CYAN='\033[0;36m'
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NC='\033[0m'
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info() { echo -e "${GREEN}[+]${NC} $*"; }
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warn() { echo -e "${YELLOW}[!]${NC} $*"; }
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die() { echo -e "${RED}[ERROR]${NC} $*" >&2; exit 1; }
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header() { echo -e "\n${CYAN}══════════════════════════════════════════${NC}"; echo -e "${CYAN} $*${NC}"; echo -e "${CYAN}══════════════════════════════════════════${NC}"; }
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[ "$(id -u)" -eq 0 ] || die "Run as root"
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header "TinyBoard Spoke Setup"
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info "Installing packages..."
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apt-get update -q
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apt-get install -y -q vim autossh docker.io docker-compose-v2 git openssh-server
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info "Adding armbian to docker group..."
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usermod -aG docker armbian 2>/dev/null || true
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info "Enabling SSH server..."
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systemctl enable ssh
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systemctl start ssh
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header "Hostname Setup"
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CURRENT_HOSTNAME=$(hostname)
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echo -e "Current hostname: ${YELLOW}$CURRENT_HOSTNAME${NC}"
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read -rp "Enter a hostname for this spoke (e.g. rocky, gouda, camembert): " SPOKE_NAME
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SPOKE_NAME="${SPOKE_NAME:-$CURRENT_HOSTNAME}"
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hostnamectl set-hostname "$SPOKE_NAME"
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echo "$SPOKE_NAME" > /etc/hostname
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info "Hostname set to: $SPOKE_NAME"
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header "SSH Key Setup"
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echo "How would you like to handle the SSH key for the tunnel to $HUB_HOST?"
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echo " 1) Generate a new key automatically"
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echo " 2) Use an existing key (paste the private key)"
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echo ""
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read -rp "Choose [1/2]: " KEY_CHOICE
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case "$KEY_CHOICE" in
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1)
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KEY_NAME="oilykey"
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KEY_PATH="$SSH_DIR/$KEY_NAME"
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mkdir -p "$SSH_DIR"
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chown armbian:armbian "$SSH_DIR"
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chmod 700 "$SSH_DIR"
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if [ -f "$KEY_PATH" ]; then
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warn "Key $KEY_PATH already exists, using it."
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else
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info "Generating new ED25519 key..."
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sudo -u armbian ssh-keygen -t ed25519 -f "$KEY_PATH" -N ""
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chown armbian:armbian "$KEY_PATH" "$KEY_PATH.pub"
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chmod 600 "$KEY_PATH"
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fi
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echo ""
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echo -e "${YELLOW}══════════════════════════════════════════${NC}"
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echo -e "${YELLOW} Send this public key to finn (oily.dad owner)${NC}"
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echo -e "${YELLOW} and ask him to add it to armbian@oily.dad authorized_keys:${NC}"
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echo -e "${YELLOW}══════════════════════════════════════════${NC}"
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cat "$KEY_PATH.pub"
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echo -e "${YELLOW}══════════════════════════════════════════${NC}"
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echo ""
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read -rp "Press ENTER once finn has added the key to oily.dad..."
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;;
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2)
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read -rp "Enter a name for the key file (e.g. oilykey): " KEY_NAME
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KEY_NAME="${KEY_NAME:-oilykey}"
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KEY_PATH="$SSH_DIR/$KEY_NAME"
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mkdir -p "$SSH_DIR"
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chown armbian:armbian "$SSH_DIR"
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chmod 700 "$SSH_DIR"
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echo "Paste the private key content below, then press ENTER and CTRL+D:"
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KEY_CONTENT=$(cat)
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echo "$KEY_CONTENT" > "$KEY_PATH"
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chown armbian:armbian "$KEY_PATH"
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chmod 600 "$KEY_PATH"
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info "Key saved to $KEY_PATH"
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;;
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*)
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die "Invalid choice"
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;;
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esac
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info "Scanning hub host key..."
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sudo -u armbian ssh-keyscan -H "$HUB_HOST" >> "$SSH_DIR/known_hosts" 2>/dev/null
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chown armbian:armbian "$SSH_DIR/known_hosts"
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chmod 600 "$SSH_DIR/known_hosts"
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header "Testing SSH Connection"
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info "Testing connection to $HUB_HOST..."
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if sudo -u armbian ssh -i "$KEY_PATH" -o BatchMode=yes -o ConnectTimeout=10 "$HUB_USER@$HUB_HOST" exit 2>/dev/null; then
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info "SSH connection successful."
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else
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die "SSH connection to $HUB_HOST failed. Check that finn added your public key."
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fi
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header "Finding Available Tunnel Port"
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info "Scanning for a free port on $HUB_HOST starting from $START_PORT..."
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TUNNEL_PORT=""
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for PORT in $(seq "$START_PORT" $((START_PORT + 20))); do
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RESULT=$(sudo -u armbian ssh -i "$KEY_PATH" "$HUB_USER@$HUB_HOST" "ss -tlnp | grep :$PORT" 2>/dev/null || true)
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if [ -z "$RESULT" ]; then
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TUNNEL_PORT="$PORT"
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info "Port $TUNNEL_PORT is available."
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break
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else
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warn "Port $PORT is in use, trying next..."
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fi
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done
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[ -n "$TUNNEL_PORT" ] || die "Could not find a free port between $START_PORT and $((START_PORT + 20)). Ask finn to free up a port."
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header "Configuring compose.yaml"
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info "Setting port to $TUNNEL_PORT and key to $KEY_NAME..."
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sed -i "s|-R [0-9]*:localhost:22|-R ${TUNNEL_PORT}:localhost:22|g" "$COMPOSE"
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sed -i "s|-i /home/armbian/.ssh/[^ ]*|-i /home/armbian/.ssh/${KEY_NAME}|g" "$COMPOSE"
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sed -i "s|/home/armbian/.ssh/oilykey[^:]*:/home/armbian/.ssh/oilykey[^:]*|${SSH_DIR}/${KEY_NAME}:${SSH_DIR}/${KEY_NAME}|g" "$COMPOSE"
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sed -i "s|container_name: spoke-autossh|container_name: ${SPOKE_NAME}-autossh|g" "$COMPOSE"
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sed -i "s|container_name: spoke-syncthing|container_name: ${SPOKE_NAME}-syncthing|g" "$COMPOSE"
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sed -i "s|hostname: spoke-syncthing|hostname: ${SPOKE_NAME}-syncthing|g" "$COMPOSE"
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sed -i '/^version:/d' "$COMPOSE"
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SYNCTHING_MOUNT="$ARMBIAN_HOME/st"
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mkdir -p "$SYNCTHING_MOUNT"
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chown armbian:armbian "$SYNCTHING_MOUNT"
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header "Building Docker Image"
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cd "$SPOKE_DIR"
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docker build \
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--build-arg UID="$(id -u armbian)" \
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--build-arg GID="$(id -g armbian)" \
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-t spoke-autossh .
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header "Starting Containers"
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docker compose up -d
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info "Waiting for tunnel to establish..."
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sleep 6
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LOGS=$(docker logs "${SPOKE_NAME}-autossh" 2>&1 || docker logs spoke-autossh 2>&1 || true)
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if echo "$LOGS" | grep -q "remote port forwarding failed"; then
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warn "Tunnel failed — port $TUNNEL_PORT may have been taken between check and connect."
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warn "Try running: docker compose down && docker compose up -d"
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warn "Or re-run this script."
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else
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info "Tunnel is up on port $TUNNEL_PORT."
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fi
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header "Setup Complete"
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echo -e " Spoke name: ${GREEN}$SPOKE_NAME${NC}"
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echo -e " Tunnel port: ${GREEN}$TUNNEL_PORT${NC} on $HUB_HOST"
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echo -e " SSH key: ${GREEN}$KEY_PATH${NC}"
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echo ""
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echo -e "${YELLOW}Finn needs to do the following on oily.dad:${NC}"
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echo ""
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echo " 1. Generate a hub->spoke key:"
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echo " ssh-keygen -t ed25519 -f ~/.ssh/armbian-${SPOKE_NAME}-$(date +%Y%m)"
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echo ""
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echo " 2. Copy it to this spoke through the tunnel:"
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echo " ssh-copy-id -i ~/.ssh/armbian-${SPOKE_NAME}-$(date +%Y%m).pub -p $TUNNEL_PORT armbian@localhost"
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echo ""
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echo " 3. Add an rclone remote in ~/.config/rclone/rclone.conf:"
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echo " [${SPOKE_NAME}-remote]"
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echo " type = sftp"
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echo " host = localhost"
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echo " port = $TUNNEL_PORT"
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echo " key_file = /home/armbian/.ssh/armbian-${SPOKE_NAME}-$(date +%Y%m)"
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echo " shell_type = unix"
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echo " md5sum_command = md5sum"
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echo " sha1sum_command = sha1sum"
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echo ""
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Block a user