Setup scripts added

scripts/setup_storage_cluster.sh

@@ -0,0 +1,92 @@
+#!/bin/bash
+#
+# GlusterFS and NFS Cluster Setup Script
+# Configures a 3-node replica GlusterFS volume and mounts it + NFS across all 5 Swarm nodes.
+#
+
+set -euo pipefail
+
+# Cluster Configuration
+ALL_NODES=("140.44.4.71" "140.44.4.72" "140.44.4.73" "140.44.4.74" "140.44.4.75")
+STORAGE_NODES=("140.44.4.71" "140.44.4.72" "140.44.4.73") # Nodes holding the actual data bricks
+
+USER="snarf"
+PASS="Katzir476!"
+
+# NFS Configuration
+NFS_SERVER="14.10.10.71"
+NFS_SHARE="/volume1/docker" # Based on your nginxproxy.yml context
+
+if ! command -v sshpass &> /dev/null; then
+    echo "ERROR: 'sshpass' is required. Please install it first."
+    exit 1
+fi
+
+# Helper function to run sudo commands remotely via sshpass
+run_remote() {
+    local node=$1
+    local cmd=$2
+    echo "   [${node}] Running command..."
+    sshpass -p "$PASS" ssh -o StrictHostKeyChecking=no "$USER@$node" "echo '$PASS' | sudo -S bash -c '$cmd'"
+}
+
+echo "=== Phase 1: Installing Prerequisites & Creating Directories ==="
+for NODE in "${ALL_NODES[@]}"; do
+    echo "-> Configuring Node $NODE"
+    run_remote "$NODE" "
+        apt-get update -y && \
+        apt-get install -y glusterfs-server glusterfs-client nfs-common && \
+        systemctl enable --now glusterd && \
+        mkdir -p /data/glusterfs/swarm/brick && \
+        mkdir -p /mnt/swarm_shared && \
+        mkdir -p /mnt/nfs_shares
+    "
+done
+
+echo ""
+echo "=== Phase 2: Peering GlusterFS Storage Nodes ==="
+PRIMARY_NODE="${STORAGE_NODES[0]}"
+
+# Peer node 2 and 3 from node 1
+for i in {1..2}; do
+    PEER_NODE="${STORAGE_NODES[$i]}"
+    echo "-> Peering $PRIMARY_NODE with $PEER_NODE"
+    run_remote "$PRIMARY_NODE" "gluster peer probe $PEER_NODE"
+done
+
+# Give peering a few seconds to stabilize
+sleep 5
+
+echo ""
+echo "=== Phase 3: Creating and Starting GlusterFS Volume ==="
+echo "-> Creating 'replica 3' volume 'swarm_vols'..."
+run_remote "$PRIMARY_NODE" "
+    gluster volume create swarm_vols replica 3 \
+    ${STORAGE_NODES[0]}:/data/glusterfs/swarm/brick \
+    ${STORAGE_NODES[1]}:/data/glusterfs/swarm/brick \
+    ${STORAGE_NODES[2]}:/data/glusterfs/swarm/brick \
+    force || echo 'Volume might already exist.'
+"
+
+echo "-> Starting volume 'swarm_vols'..."
+run_remote "$PRIMARY_NODE" "gluster volume start swarm_vols || echo 'Volume already started.'"
+
+echo ""
+echo "=== Phase 4: Mounting GlusterFS and NFS on ALL Nodes ==="
+for NODE in "${ALL_NODES[@]}"; do
+    echo "-> Mounting file systems on $NODE"
+    run_remote "$NODE" "
+        # Remove old fstab entries to prevent duplicates if script is re-run
+        sed -i '/swarm_vols/d' /etc/fstab
+        sed -i '/nfs_shares/d' /etc/fstab
+        
+        # Add to fstab
+        echo 'localhost:/swarm_vols /mnt/swarm_shared glusterfs defaults,_netdev 0 0' >> /etc/fstab
+        echo '$NFS_SERVER:$NFS_SHARE /mnt/nfs_shares nfs defaults,nfsvers=4,_netdev 0 0' >> /etc/fstab
+        
+        # Mount them
+        mount -a
+    "
+done
+
+echo "=== Storage Cluster Setup Complete ==="