Auto DNS Cluster

DNS Cluster Setup Script

This shell script enables DNS clustering and configures two specific, write-only DNS servers.

Script Content (setup_dns_cluster.sh):

#!/bin/bash

# This script enables DNS clustering and adds two pre-configured servers.
# It will pause between steps, waiting for user input or a 10-second timeout.

# Exit immediately if a command exits with a non-zero status.
set -e

# --- Function to pause and wait for user input or a timeout ---
function continue_prompt() {
    echo "" # Add a newline for better formatting.
    # We run the prompt in a subshell (...) to localize the effect of 'set +e'.
    # This prevents 'read -t' from triggering 'set -e' in the main script on timeout.
    (
        set +e # Disable 'exit on error' for this subshell only.
        for i in $(seq 10 -1 1); do
            read -s -n 1 -t 1 -p $'\rPress any key to continue, or auto-continuing in '"$i"' seconds... '
            # Check the exit status of read. 0 means input was received.
            if [ $? -eq 0 ]; then
                echo -e "\r                                                                               "
                echo -e "\rKey pressed. Continuing..."
                echo ""
                exit 0 # Exit the subshell successfully.
            fi
        done
        # This code is reached only if the loop completes without user input.
        echo -e "\r                                                                               "
        echo -e "\rTimeout reached. Continuing automatically..."
        echo ""
        exit 0 # Exit the subshell successfully.
    )
}

echo "--- Step 1: Enabling DNS Clustering ---"
whmapi1 set_tweaksetting key=dnsclustering value=1
echo "DNS Clustering has been enabled."
continue_prompt

echo "--- Step 2: Configure First DNS Cluster Server (Write-Only) ---"
# Hardcoded details for the first DNS server 

# replace with your details

DNS_HOST1="ns00.hashdns.net" 
DNS_USER1="root"
# replace with your details
DNS_KEY1="XXOO" 

echo "Adding $DNS_HOST1 to the cluster as write-only..."
whmapi1 add_dns_cluster_member host="$DNS_HOST1" username="$DNS_USER1" key="$(echo -n "$DNS_KEY1" | tr -d '[:space:]')" dnsrole='writeonly'
echo "First DNS cluster member configured."
continue_prompt

echo "--- Step 3: Configure Second DNS Cluster Server (Write-Only) ---"

# Hardcoded details for the second DNS server

DNS_HOST2="ns00.hashdns.net" 
DNS_USER2="root"
# replace with your details
DNS_KEY2="XXOO" 

echo "Adding $DNS_HOST2 to the cluster as write-only..."
whmapi1 add_dns_cluster_member host="$DNS_HOST2" username="$DNS_USER2" key="$(echo -n "$DNS_KEY2" | tr -d '[:space:]')" dnsrole='writeonly'
echo "Second DNS cluster member configured."

echo ""
echo "--- DNS Cluster setup script finished. ---"

How to Use the Script

Follow these instructions to save and execute the script on your Linux server.

1. Connect to Your Server:

   • Use SSH to log into your server's command line.

2. Create the Script File:

   • Use a command-line text editor like nano to create a new file:

     nano setup_dns_cluster.sh
     
     

3. Add the Script Content:

   • Copy and paste the entire script content into the editor.

4. Save and Exit the File:

   • Press CTRL + X, then Y, then Enter.

5. Make the Script Executable:

   • Run this command:

     chmod +x setup_dns_cluster.sh
     
     

6. Run the Script:

   • Run the script with sudo:

     sudo ./setup_dns_cluster.sh