Replace WireGuard with Nebula for true mesh networking
- Switch from WireGuard point-to-point to Nebula overlay network - Certificate-based trust with single CA for cluster authentication - True mesh networking - all nodes can communicate directly - Simplified joining process with lighthouse-based discovery - Network range: 192.168.100.0/24 (lighthouse at .1) - Auto-downloads and installs Nebula binaries - Maintains GlusterFS replication across mesh nodes Note: Certificate distribution requires manual step for security
This commit is contained in:
parent
402d997599
commit
2c7bd4ac76
@ -45,7 +45,7 @@ The installer will:
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## Nullpoint Cluster
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Create or join a distributed storage cluster with WireGuard mesh networking and GlusterFS. Start with a single node and scale up by adding more servers.
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Create or join a distributed storage cluster with Nebula mesh networking and GlusterFS. Start with a single node and scale up by adding more servers.
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```bash
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wget -qO- https://git.dominik-roth.eu/dodox/nullpoint/raw/branch/master/cluster-setup.sh | sudo bash
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@ -53,5 +53,5 @@ wget -qO- https://git.dominik-roth.eu/dodox/nullpoint/raw/branch/master/cluster-
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- **Storage mounted at**: `/data/storage/`
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- **All data replicated** to all cluster nodes
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- **Secure WireGuard mesh** between nodes
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- **Secure Nebula mesh** - encrypted overlay network with certificate-based trust
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- **Interactive setup** - choose create or join cluster
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378
cluster-setup.sh
378
cluster-setup.sh
@ -8,12 +8,13 @@ YELLOW='\033[1;33m'
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NC='\033[0m' # No Color
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# Configuration
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WG_INTERFACE="wg-cluster"
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WG_PORT=51820
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WG_NETWORK="10.10.0.0/24"
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NEBULA_NETWORK="192.168.100.0/24"
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NEBULA_PORT=4242
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NEBULA_CONFIG="/etc/nebula"
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GLUSTER_BRICK_PATH="/gluster/cluster"
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GLUSTER_MOUNT_PATH="/data/storage"
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GLUSTER_VOLUME="cluster-volume"
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NEBULA_VERSION="v1.8.2"
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echo -e "${GREEN}================================${NC}"
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echo -e "${GREEN} Nullpoint Cluster Setup${NC}"
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@ -27,7 +28,15 @@ fi
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# Install required packages
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echo -e "${YELLOW}[+] Installing required packages...${NC}"
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dnf install -y wireguard-tools glusterfs-server glusterfs-client || exit 1
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dnf install -y curl tar glusterfs-server glusterfs-client || exit 1
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# Download and install Nebula
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echo -e "${YELLOW}[+] Downloading Nebula ${NEBULA_VERSION}...${NC}"
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cd /tmp
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curl -LO "https://github.com/slackhq/nebula/releases/download/${NEBULA_VERSION}/nebula-linux-amd64.tar.gz"
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tar -zxf nebula-linux-amd64.tar.gz
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mv nebula nebula-cert /usr/local/bin/
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chmod +x /usr/local/bin/nebula /usr/local/bin/nebula-cert
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# Enable and start GlusterFS
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systemctl enable glusterd
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@ -38,23 +47,35 @@ echo -e "${YELLOW}[+] Creating directories...${NC}"
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mkdir -p "$GLUSTER_BRICK_PATH"
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mkdir -p "$GLUSTER_MOUNT_PATH"
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mkdir -p /data
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mkdir -p "$NEBULA_CONFIG"
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# Function to generate WireGuard keys
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generate_wg_keys() {
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local private_key=$(wg genkey)
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local public_key=$(echo "$private_key" | wg pubkey)
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local preshared_key=$(wg genpsk)
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echo "$private_key:$public_key:$preshared_key"
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# Function to generate Nebula CA and certificates
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generate_nebula_ca() {
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echo -e "${YELLOW}[+] Generating Nebula CA...${NC}"
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cd "$NEBULA_CONFIG"
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/usr/local/bin/nebula-cert ca -name "Nullpoint Cluster CA"
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chmod 600 ca.key
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}
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# Function to create host certificate
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create_host_cert() {
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local hostname="$1"
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local ip="$2"
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local groups="$3"
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cd "$NEBULA_CONFIG"
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/usr/local/bin/nebula-cert sign -name "$hostname" -ip "$ip" -groups "$groups"
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chmod 600 "${hostname}.key"
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}
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# Function to get next available IP
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get_next_ip() {
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local base_ip="10.10.0"
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local next_num=2
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local base_ip="192.168.100"
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local next_num=10
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if [ -f /etc/wireguard/${WG_INTERFACE}.conf ]; then
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if [ -f "$NEBULA_CONFIG/cluster-registry.txt" ]; then
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# Find highest IP in use
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existing_ips=$(grep -E "AllowedIPs|Address" /etc/wireguard/${WG_INTERFACE}.conf | grep -oE "10\.10\.0\.[0-9]+" | cut -d. -f4 | sort -n | tail -1)
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existing_ips=$(grep -oE "192\.168\.100\.[0-9]+" "$NEBULA_CONFIG/cluster-registry.txt" | cut -d. -f4 | sort -n | tail -1)
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if [ ! -z "$existing_ips" ]; then
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next_num=$((existing_ips + 1))
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fi
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@ -67,81 +88,146 @@ get_next_ip() {
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setup_firewall() {
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echo -e "${YELLOW}[+] Configuring firewall...${NC}"
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# WireGuard
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firewall-cmd --permanent --add-port=${WG_PORT}/udp
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# Nebula
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firewall-cmd --permanent --add-port=${NEBULA_PORT}/udp
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# GlusterFS ports
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firewall-cmd --permanent --add-service=glusterfs
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firewall-cmd --permanent --add-port=24007-24008/tcp # GlusterFS Daemon
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firewall-cmd --permanent --add-port=49152-49200/tcp # Brick ports
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# Allow traffic from WireGuard network
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firewall-cmd --permanent --zone=trusted --add-source=${WG_NETWORK}
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# Allow traffic from Nebula network
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firewall-cmd --permanent --zone=trusted --add-source=${NEBULA_NETWORK}
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firewall-cmd --reload
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}
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# Create Nebula systemd service
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create_nebula_service() {
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cat > /etc/systemd/system/nebula.service <<EOF
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[Unit]
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Description=Nebula overlay networking tool
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After=network.target
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[Service]
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Type=simple
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User=root
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Group=root
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ExecStart=/usr/local/bin/nebula -config ${NEBULA_CONFIG}/config.yaml
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ExecReload=/bin/kill -HUP \$MAINPID
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Restart=always
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RestartSec=5
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[Install]
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WantedBy=multi-user.target
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EOF
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systemctl daemon-reload
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}
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# Create new cluster
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create_cluster() {
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echo -e "${GREEN}[*] Creating new cluster...${NC}\n"
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# Generate keys
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keys=$(generate_wg_keys)
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private_key=$(echo "$keys" | cut -d: -f1)
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public_key=$(echo "$keys" | cut -d: -f2)
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preshared_key=$(echo "$keys" | cut -d: -f3)
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local hostname=$(hostname)
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local lighthouse_ip="192.168.100.1"
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local external_ip=$(ip route get 1.1.1.1 | awk '{print $7; exit}')
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# Create WireGuard config
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cat > /etc/wireguard/${WG_INTERFACE}.conf <<EOF
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[Interface]
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Address = 10.10.0.1/24
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ListenPort = ${WG_PORT}
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PrivateKey = ${private_key}
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SaveConfig = false
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# Generate Nebula CA
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generate_nebula_ca
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# Create lighthouse certificate
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create_host_cert "lighthouse" "${lighthouse_ip}/24" "lighthouse,cluster"
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# Create Nebula config for lighthouse
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cat > "${NEBULA_CONFIG}/config.yaml" <<EOF
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pki:
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ca: ${NEBULA_CONFIG}/ca.crt
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cert: ${NEBULA_CONFIG}/lighthouse.crt
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key: ${NEBULA_CONFIG}/lighthouse.key
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# Peers will be added here
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static_host_map:
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"${lighthouse_ip}": ["${external_ip}:${NEBULA_PORT}"]
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lighthouse:
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am_lighthouse: true
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serve_dns: false
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interval: 60
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hosts:
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- "${lighthouse_ip}"
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listen:
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host: 0.0.0.0
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port: ${NEBULA_PORT}
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punchy:
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punch: true
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respond: true
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tun:
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disabled: false
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dev: nebula1
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drop_local_broadcast: false
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drop_multicast: false
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tx_queue: 500
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mtu: 1300
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logging:
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level: info
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format: text
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firewall:
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conntrack:
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tcp_timeout: 12m
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udp_timeout: 3m
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default_timeout: 10m
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max_connections: 100000
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outbound:
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- port: any
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proto: any
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host: any
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inbound:
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- port: any
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proto: icmp
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host: any
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- port: any
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proto: any
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host: any
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EOF
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chmod 600 /etc/wireguard/${WG_INTERFACE}.conf
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# Start WireGuard
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systemctl enable wg-quick@${WG_INTERFACE}
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systemctl start wg-quick@${WG_INTERFACE}
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# Start Nebula as systemd service
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create_nebula_service
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systemctl enable nebula
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systemctl start nebula
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# Setup firewall
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setup_firewall
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# Create GlusterFS volume (single brick for now)
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# Create cluster registry
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echo "${lighthouse_ip} lighthouse ${hostname}" > "${NEBULA_CONFIG}/cluster-registry.txt"
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# Create GlusterFS volume
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echo -e "${YELLOW}[+] Creating GlusterFS volume...${NC}"
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# Create brick directory
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mkdir -p "${GLUSTER_BRICK_PATH}/brick1"
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# Create volume with single brick (will be converted to replica when nodes join)
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gluster volume create ${GLUSTER_VOLUME} $(hostname):${GLUSTER_BRICK_PATH}/brick1 force 2>/dev/null || true
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gluster volume start ${GLUSTER_VOLUME} 2>/dev/null || true
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# Mount the volume locally
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# Mount volume
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mount -t glusterfs localhost:/${GLUSTER_VOLUME} ${GLUSTER_MOUNT_PATH}
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# Add to fstab for persistence
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grep -q "${GLUSTER_VOLUME}" /etc/fstab || echo "localhost:/${GLUSTER_VOLUME} ${GLUSTER_MOUNT_PATH} glusterfs defaults,_netdev 0 0" >> /etc/fstab
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# Get external IP for other nodes to connect
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external_ip=$(ip route get 1.1.1.1 | awk '{print $7; exit}')
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# Package CA certificate for sharing
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ca_cert_b64=$(base64 -w0 "${NEBULA_CONFIG}/ca.crt")
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echo -e "\n${GREEN}════════════════════════════════════════${NC}"
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echo -e "${GREEN}Cluster created successfully!${NC}"
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echo -e "${GREEN}════════════════════════════════════════${NC}\n"
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echo -e "Share these details with nodes joining the cluster:\n"
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echo -e "${YELLOW}Cluster IP:${NC} ${external_ip}"
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echo -e "${YELLOW}WireGuard Port:${NC} ${WG_PORT}"
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echo -e "${YELLOW}Public Key:${NC} ${public_key}"
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echo -e "${YELLOW}Preshared Key:${NC} ${preshared_key}"
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echo -e "\n${YELLOW}Cluster Secret (for easy sharing):${NC}"
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echo -e "${GREEN}${external_ip}:${WG_PORT}:${public_key}:${preshared_key}${NC}"
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echo -e "\n${YELLOW}Status:${NC}"
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echo " - WireGuard interface: ${WG_INTERFACE} (10.10.0.1)"
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echo -e "Share this cluster secret with joining nodes:\n"
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echo -e "${GREEN}${external_ip}:${NEBULA_PORT}:${ca_cert_b64}${NC}\n"
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echo -e "${YELLOW}Status:${NC}"
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echo " - Nebula lighthouse: ${lighthouse_ip} (${external_ip}:${NEBULA_PORT})"
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echo " - GlusterFS volume: ${GLUSTER_VOLUME}"
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echo " - Mount point: ${GLUSTER_MOUNT_PATH}"
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}
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@ -150,92 +236,120 @@ EOF
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join_cluster() {
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echo -e "${GREEN}[*] Joining existing cluster...${NC}\n"
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local hostname=$(hostname)
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local my_ip=$(get_next_ip)
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# Get cluster details
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read -p "Enter cluster node IP: " cluster_ip
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read -p "Enter cluster secret (or press enter to input separately): " cluster_secret
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read -p "Enter cluster secret (lighthouse_ip:port:ca_cert_base64): " cluster_secret
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if [ -z "$cluster_secret" ]; then
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read -p "Enter WireGuard port [${WG_PORT}]: " wg_port_input
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wg_port=${wg_port_input:-$WG_PORT}
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read -p "Enter cluster public key: " cluster_public_key
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read -p "Enter preshared key: " preshared_key
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else
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# Parse secret
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cluster_ip=$(echo "$cluster_secret" | cut -d: -f1)
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wg_port=$(echo "$cluster_secret" | cut -d: -f2)
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cluster_public_key=$(echo "$cluster_secret" | cut -d: -f3)
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preshared_key=$(echo "$cluster_secret" | cut -d: -f4)
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echo -e "${RED}Cluster secret required!${NC}"
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exit 1
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fi
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# Generate local keys
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keys=$(generate_wg_keys)
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private_key=$(echo "$keys" | cut -d: -f1)
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public_key=$(echo "$keys" | cut -d: -f2)
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# Parse secret
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lighthouse_ip=$(echo "$cluster_secret" | cut -d: -f1)
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nebula_port=$(echo "$cluster_secret" | cut -d: -f2)
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ca_cert_b64=$(echo "$cluster_secret" | cut -d: -f3-)
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# Get next available IP
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my_ip=$(get_next_ip)
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echo -e "${YELLOW}[+] Configuring Nebula (IP: ${my_ip})...${NC}"
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echo -e "${YELLOW}[+] Configuring WireGuard (IP: ${my_ip})...${NC}"
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# Decode and save CA certificate
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echo "$ca_cert_b64" | base64 -d > "${NEBULA_CONFIG}/ca.crt"
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# Create WireGuard config
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cat > /etc/wireguard/${WG_INTERFACE}.conf <<EOF
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[Interface]
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Address = ${my_ip}/24
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ListenPort = ${WG_PORT}
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PrivateKey = ${private_key}
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SaveConfig = false
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echo -e "${RED}WARNING: Certificate signing not implemented in this simplified version.${NC}"
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echo -e "${YELLOW}On the lighthouse node, run this command to create a certificate for this node:${NC}"
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echo -e "${GREEN}cd ${NEBULA_CONFIG} && /usr/local/bin/nebula-cert sign -name \"${hostname}\" -ip \"${my_ip}/24\" -groups \"cluster\"${NC}"
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echo -e "${YELLOW}Then copy ${hostname}.crt and ${hostname}.key to ${NEBULA_CONFIG}/ on this node.${NC}"
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read -p "Press enter once you've created and copied the certificate files..."
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# Create Nebula config
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cat > "${NEBULA_CONFIG}/config.yaml" <<EOF
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pki:
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ca: ${NEBULA_CONFIG}/ca.crt
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cert: ${NEBULA_CONFIG}/${hostname}.crt
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key: ${NEBULA_CONFIG}/${hostname}.key
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[Peer]
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PublicKey = ${cluster_public_key}
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PresharedKey = ${preshared_key}
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Endpoint = ${cluster_ip}:${wg_port}
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AllowedIPs = ${WG_NETWORK}
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PersistentKeepalive = 25
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static_host_map:
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"192.168.100.1": ["${lighthouse_ip}:${nebula_port}"]
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lighthouse:
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am_lighthouse: false
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interval: 60
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hosts:
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- "192.168.100.1"
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listen:
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host: 0.0.0.0
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port: ${NEBULA_PORT}
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punchy:
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punch: true
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respond: true
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tun:
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disabled: false
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dev: nebula1
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drop_local_broadcast: false
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drop_multicast: false
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tx_queue: 500
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mtu: 1300
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logging:
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level: info
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format: text
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firewall:
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conntrack:
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tcp_timeout: 12m
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udp_timeout: 3m
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default_timeout: 10m
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max_connections: 100000
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outbound:
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- port: any
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proto: any
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host: any
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inbound:
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- port: any
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proto: icmp
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host: any
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- port: any
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proto: any
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host: any
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EOF
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chmod 600 /etc/wireguard/${WG_INTERFACE}.conf
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# Start WireGuard
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systemctl enable wg-quick@${WG_INTERFACE}
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systemctl restart wg-quick@${WG_INTERFACE}
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# Start Nebula
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create_nebula_service
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systemctl enable nebula
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systemctl start nebula
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# Setup firewall
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setup_firewall
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# Wait for WireGuard connection
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echo -e "${YELLOW}[+] Waiting for WireGuard connection...${NC}"
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sleep 3
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# Wait for Nebula connection
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echo -e "${YELLOW}[+] Waiting for Nebula connection...${NC}"
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sleep 5
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# Test connection to cluster
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if ! ping -c 1 -W 2 10.10.0.1 > /dev/null 2>&1; then
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echo -e "${RED}Failed to connect to cluster via WireGuard!${NC}"
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echo "Please check the cluster details and firewall settings."
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# Test connection to lighthouse
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if ! ping -c 1 -W 3 192.168.100.1 > /dev/null 2>&1; then
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echo -e "${RED}Failed to connect to cluster via Nebula!${NC}"
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echo "Please check the cluster secret and firewall settings."
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exit 1
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fi
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echo -e "${GREEN}[✓] WireGuard connection established${NC}"
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echo -e "${GREEN}[✓] Nebula connection established${NC}"
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# Add this node to the cluster node's WireGuard config
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echo -e "${YELLOW}[+] Requesting cluster to add this node as peer...${NC}"
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# SSH to cluster node and add peer (requires SSH key setup)
|
||||
ssh_cmd="wg set ${WG_INTERFACE} peer ${public_key} preshared-key <(echo ${preshared_key}) allowed-ips ${WG_NETWORK} persistent-keepalive 25"
|
||||
|
||||
echo -e "${YELLOW}Run this command on the cluster node (10.10.0.1) to add this peer:${NC}"
|
||||
echo -e "${GREEN}sudo wg set ${WG_INTERFACE} peer ${public_key} preshared-key <(echo ${preshared_key}) allowed-ips ${WG_NETWORK} persistent-keepalive 25${NC}"
|
||||
echo -e "${GREEN}sudo bash -c 'echo \"[Peer]\" >> /etc/wireguard/${WG_INTERFACE}.conf'${NC}"
|
||||
echo -e "${GREEN}sudo bash -c 'echo \"PublicKey = ${public_key}\" >> /etc/wireguard/${WG_INTERFACE}.conf'${NC}"
|
||||
echo -e "${GREEN}sudo bash -c 'echo \"PresharedKey = ${preshared_key}\" >> /etc/wireguard/${WG_INTERFACE}.conf'${NC}"
|
||||
echo -e "${GREEN}sudo bash -c 'echo \"AllowedIPs = ${WG_NETWORK}\" >> /etc/wireguard/${WG_INTERFACE}.conf'${NC}"
|
||||
echo -e "${GREEN}sudo bash -c 'echo \"PersistentKeepalive = 25\" >> /etc/wireguard/${WG_INTERFACE}.conf'${NC}"
|
||||
|
||||
read -p "Press enter once you've added this peer to the cluster node..."
|
||||
# Register with cluster
|
||||
echo "${my_ip} ${hostname} $(date)" >> "${NEBULA_CONFIG}/cluster-registry.txt"
|
||||
|
||||
# Join GlusterFS cluster
|
||||
echo -e "${YELLOW}[+] Joining GlusterFS cluster...${NC}"
|
||||
|
||||
# Probe the cluster
|
||||
gluster peer probe 10.10.0.1
|
||||
# Probe the lighthouse
|
||||
gluster peer probe 192.168.100.1
|
||||
|
||||
# Wait for peer to be connected
|
||||
sleep 3
|
||||
@ -254,17 +368,17 @@ EOF
|
||||
gluster volume add-brick ${GLUSTER_VOLUME} replica ${new_replica_count} $(hostname):${GLUSTER_BRICK_PATH}/brick1 force
|
||||
|
||||
# Mount the volume
|
||||
mount -t glusterfs 10.10.0.1:/${GLUSTER_VOLUME} ${GLUSTER_MOUNT_PATH}
|
||||
mount -t glusterfs 192.168.100.1:/${GLUSTER_VOLUME} ${GLUSTER_MOUNT_PATH}
|
||||
|
||||
# Add to fstab
|
||||
grep -q "${GLUSTER_VOLUME}" /etc/fstab || echo "10.10.0.1:/${GLUSTER_VOLUME} ${GLUSTER_MOUNT_PATH} glusterfs defaults,_netdev 0 0" >> /etc/fstab
|
||||
grep -q "${GLUSTER_VOLUME}" /etc/fstab || echo "192.168.100.1:/${GLUSTER_VOLUME} ${GLUSTER_MOUNT_PATH} glusterfs defaults,_netdev 0 0" >> /etc/fstab
|
||||
|
||||
echo -e "\n${GREEN}════════════════════════════════════════${NC}"
|
||||
echo -e "${GREEN}Successfully joined cluster!${NC}"
|
||||
echo -e "${GREEN}════════════════════════════════════════${NC}\n"
|
||||
echo -e "${YELLOW}Node details:${NC}"
|
||||
echo " - WireGuard IP: ${my_ip}"
|
||||
echo " - Public Key: ${public_key}"
|
||||
echo " - Nebula IP: ${my_ip}"
|
||||
echo " - Hostname: ${hostname}"
|
||||
echo " - GlusterFS mounted at: ${GLUSTER_MOUNT_PATH}"
|
||||
}
|
||||
|
||||
@ -272,16 +386,28 @@ EOF
|
||||
show_status() {
|
||||
echo -e "\n${YELLOW}=== Cluster Status ===${NC}\n"
|
||||
|
||||
if [ -f /etc/wireguard/${WG_INTERFACE}.conf ]; then
|
||||
echo -e "${GREEN}WireGuard Status:${NC}"
|
||||
wg show ${WG_INTERFACE}
|
||||
if [ -f "${NEBULA_CONFIG}/config.yaml" ]; then
|
||||
echo -e "${GREEN}Nebula Status:${NC}"
|
||||
systemctl is-active nebula && echo "Service: Active" || echo "Service: Inactive"
|
||||
|
||||
if ip addr show nebula1 >/dev/null 2>&1; then
|
||||
echo "Interface: nebula1 $(ip addr show nebula1 | grep 'inet ' | awk '{print $2}')"
|
||||
else
|
||||
echo "Interface: Not found"
|
||||
fi
|
||||
echo ""
|
||||
|
||||
if [ -f "${NEBULA_CONFIG}/cluster-registry.txt" ]; then
|
||||
echo -e "${GREEN}Cluster Nodes:${NC}"
|
||||
cat "${NEBULA_CONFIG}/cluster-registry.txt"
|
||||
echo ""
|
||||
fi
|
||||
else
|
||||
echo -e "${RED}WireGuard not configured${NC}\n"
|
||||
echo -e "${RED}Nebula not configured${NC}\n"
|
||||
fi
|
||||
|
||||
echo -e "${GREEN}GlusterFS Status:${NC}"
|
||||
gluster peer status
|
||||
gluster peer status 2>/dev/null || echo "Not connected to cluster"
|
||||
echo ""
|
||||
gluster volume status ${GLUSTER_VOLUME} 2>/dev/null || echo "Volume ${GLUSTER_VOLUME} not found"
|
||||
echo ""
|
||||
|
||||
Loading…
Reference in New Issue
Block a user