allow two server
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@ -1,62 +1,136 @@
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#!/bin/bash
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# SSH and NFS Tunnel Configuration
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SSH_USER="root"
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SSH_SERVER="bethaus-speyer.de"
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SSH_SERVER_PORT=1122 # Remote SSH server SSH port
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LOCAL_PORT=2022 # Local port for NFS tunnel
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REMOTE_NFS_PORT=2049 # Remote NFS server port
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MOUNT_POINT="/mnt/app.bethaus/Gottesdienste Speyer"
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NFS_SHARE="/volume1/Aufnahme-stereo/010 Gottesdienste ARCHIV"
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###############################################################################
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# Configuration Section
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###############################################################################
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# Server 1 Configuration
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SERVER1_SSH_USER="root"
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SERVER1_SSH_SERVER="bethaus-speyer.de"
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SERVER1_SSH_SERVER_PORT=1122 # Remote SSH server port for Server 1
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SERVER1_REMOTE_NFS_PORT=2049 # Remote NFS server port (usually 2049)
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SERVER1_LOCAL_PORT_BASE=2022 # Base local port for SSH tunnel (will add index offset)
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# Function to check if the SSH tunnel is active
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# Define multiple mount configurations for Server 1
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# Each index corresponds to a mount point and NFS share.
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SERVER1_MOUNT_POINTS=(
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"/mnt/app.bethaus/Gottesdienste Speyer"
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"/mnt/app.bethaus/Besondere Gottesdienste"
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"/mnt/app.bethaus/Liedersammlung"
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)
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SERVER1_NFS_SHARES=(
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"/volume1/Aufnahme-stereo/010 Gottesdienste ARCHIV"
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"/volume1/Aufnahme-stereo/013 Besondere Gottesdienste"
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"/volume1/Aufnahme-stereo/014 Liedersammlung"
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)
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# Server 2 Configuration
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SERVER2_SSH_USER="root"
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SERVER2_SSH_SERVER="bethaus-schwegenheim.de"
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SERVER2_SSH_SERVER_PORT=1122 # Remote SSH server port for Server 2
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SERVER2_REMOTE_NFS_PORT=2049 # Remote NFS server port
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SERVER2_LOCAL_PORT_BASE=3022 # Base local port for SSH tunnel (will add index offset)
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# Define multiple mount configurations for Server 2
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SERVER2_MOUNT_POINTS=(
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"/mnt/app.bethaus/Gottesdienste Schwegenheim"
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)
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SERVER2_NFS_SHARES=(
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"/volume1/Aufnahme-stereo/010 Gottesdienste ARCHIV"
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)
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# List of server identifiers (must match the prefix of configuration variables)
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SERVERS=("SERVER1" "SERVER2")
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###############################################################################
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# Function Definitions
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###############################################################################
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# Check if the SSH tunnel on a given local port is active
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is_tunnel_active() {
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timeout 1 bash -c "</dev/tcp/localhost/${LOCAL_PORT}" &>/dev/null
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local port=$1
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timeout 1 bash -c "</dev/tcp/localhost/${port}" &>/dev/null
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}
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# Function to check if the NFS share is mounted
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# Check if the given mount point is currently mounted
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is_nfs_mounted() {
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mount | grep -q "${MOUNT_POINT}"
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local mount_point=$1
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mount | grep -q "${mount_point}"
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}
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# Restart the SSH tunnel if it's not running
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if ! is_tunnel_active; then
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echo "[INFO] SSH Tunnel is down. Attempting to reconnect..."
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###############################################################################
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# Main Loop: Process Each Server and Its Mount Points
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###############################################################################
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for server in "${SERVERS[@]}"; do
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# Retrieve server-specific configuration using indirect expansion
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ssh_user_var="${server}_SSH_USER"
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ssh_server_var="${server}_SSH_SERVER"
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ssh_server_port_var="${server}_SSH_SERVER_PORT"
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remote_nfs_port_var="${server}_REMOTE_NFS_PORT"
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local_port_base_var="${server}_LOCAL_PORT_BASE"
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mount_points_var="${server}_MOUNT_POINTS[@]"
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nfs_shares_var="${server}_NFS_SHARES[@]"
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SSH_USER="${!ssh_user_var}"
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SSH_SERVER="${!ssh_server_var}"
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SSH_SERVER_PORT="${!ssh_server_port_var}"
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REMOTE_NFS_PORT="${!remote_nfs_port_var}"
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LOCAL_PORT_BASE="${!local_port_base_var}"
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MOUNT_POINTS=("${!mount_points_var}")
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NFS_SHARES=("${!nfs_shares_var}")
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echo "-------------------------------------------------"
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echo "[INFO] Processing server: ${SSH_SERVER}"
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# Loop over each mount configuration for the current server.
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for i in "${!MOUNT_POINTS[@]}"; do
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MOUNT_POINT="${MOUNT_POINTS[$i]}"
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NFS_SHARE="${NFS_SHARES[$i]}"
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# Calculate a unique local port: base + index offset
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LOCAL_PORT=$(( LOCAL_PORT_BASE + i ))
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echo "-------------------------------------------------"
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echo "[INFO] Setting up mount for ${MOUNT_POINT}"
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echo "[INFO] NFS Share: ${NFS_SHARE}"
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echo "[INFO] Using local port: ${LOCAL_PORT}"
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# Check and (re)establish the SSH tunnel if needed.
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if ! is_tunnel_active "${LOCAL_PORT}"; then
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echo "[INFO] SSH Tunnel on port ${LOCAL_PORT} is down. Attempting to reconnect..."
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ssh -f -N -L "${LOCAL_PORT}:localhost:${REMOTE_NFS_PORT}" \
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-o ExitOnForwardFailure=yes \
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-p "${SSH_SERVER_PORT}" \
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"${SSH_USER}@${SSH_SERVER}"
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if is_tunnel_active; then
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echo "[SUCCESS] SSH Tunnel established on local port ${LOCAL_PORT}, forwarding to remote NFS port ${REMOTE_NFS_PORT}."
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if is_tunnel_active "${LOCAL_PORT}"; then
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echo "[SUCCESS] SSH Tunnel established on local port ${LOCAL_PORT}."
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else
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echo "[ERROR] Failed to establish SSH tunnel!"
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exit 1
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echo "[ERROR] Failed to establish SSH tunnel for mount ${MOUNT_POINT}!"
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continue # Skip mounting for this configuration if tunnel fails
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fi
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else
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echo "[INFO] SSH Tunnel is already active on port ${LOCAL_PORT}."
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echo "[INFO] SSH Tunnel already active on port ${LOCAL_PORT}."
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fi
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# Ensure mount point exists
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# Ensure the mount point directory exists
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if [ ! -d "${MOUNT_POINT}" ]; then
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echo "[INFO] Creating mount point: ${MOUNT_POINT}"
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echo "[INFO] Creating mount point directory: ${MOUNT_POINT}"
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sudo mkdir -p "${MOUNT_POINT}"
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fi
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# Mount the NFS share if it's not already mounted
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if ! is_nfs_mounted; then
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echo "[INFO] NFS is not mounted. Attempting to mount..."
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sudo mount -t nfs -o port=${LOCAL_PORT},nolock,soft 127.0.0.1:"${NFS_SHARE}" "${MOUNT_POINT}"
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if is_nfs_mounted; then
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echo "[SUCCESS] NFS mounted successfully at ${MOUNT_POINT}."
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# Mount the NFS share if it's not already mounted.
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if ! is_nfs_mounted "${MOUNT_POINT}"; then
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echo "[INFO] NFS share is not mounted at ${MOUNT_POINT}. Attempting to mount..."
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sudo mount -t nfs -o port="${LOCAL_PORT}",nolock,soft 127.0.0.1:"${NFS_SHARE}" "${MOUNT_POINT}"
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if is_nfs_mounted "${MOUNT_POINT}"; then
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echo "[SUCCESS] NFS share mounted successfully at ${MOUNT_POINT}."
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else
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echo "[ERROR] Failed to mount NFS share!"
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exit 1
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echo "[ERROR] Failed to mount NFS share ${NFS_SHARE} at ${MOUNT_POINT}!"
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fi
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else
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echo "[INFO] NFS is already mounted at ${MOUNT_POINT}."
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echo "[INFO] NFS share is already mounted at ${MOUNT_POINT}."
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fi
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done
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done
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echo "-------------------------------------------------"
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echo "[INFO] All server mount configurations processed."
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