add install bind script

1 files changed, 111 insertions, 0 deletions

diff --git a/scripts/install-bind.sh b/scripts/install-bind.sh
new file mode 100644
index 0000000..85f9771
--- /dev/null
+++ b/scripts/install-bind.sh
@@ -0,0 +1,111 @@
+#!/usr/bin/env bash
+#
+# Bind install and cofiguration script for Bedrock Connect
+# Usage: sudo scripts/install-bind.sh [BCIP] [NSIP]
+#   BCIP    Optional IP of the bedrock connect server (Default: 104.238.130.180)
+#   NSIP    Optional IP of the name server (Default: same as the bedrock connect server)
+#
+# Should support Ubuntu 18+ and Cent OS 7+
+# Tested on: Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Cent OS 7 and Cent OS 8
+#
+
+#
+# Configuration
+#
+
+BCIP=${1:-104.238.130.180}
+NSIP=${2:-$BCIP}
+
+#
+# Functions
+#
+
+function add_domain() {
+  local domain=$1
+  shift
+
+  # Warn if exists
+  if [[ -n "$(cat $NAMED_ZONES | grep $domain)" ]]; then
+    echo "Warning: Domain $domain already exists, skipping..."
+    return
+  fi
+
+  # Create zone file
+  echo "@	IN	SOA	$domain.	admin.$domain. (
+				2014030801	; serial
+					1D	; refresh
+					1H	; retry
+					1W	; expire
+					3H )	; minimum
+@	300	NS	ns.$domain.
+ns	300	IN	A	$NSIP" > $NAMED_DBS/db.$domain
+  while [[ -n "$1" ]]; do
+    echo "$1	300	IN	A	$BCIP" >> $NAMED_DBS/db.$domain
+    shift
+  done
+
+  # Add zone config to named
+  echo "zone \"$domain\" IN {
+	type master;
+	file \"db.$domain\";
+	allow-query { any; };
+};
+" >> $NAMED_ZONES
+}
+
+#
+# Main
+#
+
+if [[ "$(whoami)" != "root" ]]; then
+  echo "Error: This script need to be ran as root (or using sudo)."
+  exit 1
+fi
+
+# Check OS
+
+if [[ -f /etc/os-release ]]; then
+  source /etc/os-release
+  if [[ "$ID" == "ubuntu" || "$ID_LIKE" == "ubuntu" ]]; then
+    PKG_MGR=apt
+    PKGS="bind9 dnsutils"
+    NAMED_OPTIONS="/etc/bind/named.conf.options"
+    NAMED_ZONES="/etc/bind/named.conf.local"
+    NAMED_DBS="/var/cache/bind"
+    SERVICE_NAME="bind9"
+  elif [[ "$ID" == "centos" ]]; then
+    PKG_MGR=yum
+    PKGS="bind bind-utils"
+    NAMED_OPTIONS="/etc/named.conf"
+    NAMED_ZONES="/etc/named.conf"
+    NAMED_DBS="/var/named"
+    SERVICE_NAME="named"
+  else
+    echo "Unsupported OS"
+    exit 2
+  fi
+else
+  echo "Unsupported OS"
+  exit 2
+fi
+
+# Install
+
+$PKG_MGR install -y $PKGS
+
+# Configure
+
+sed -i '/recursion/d' $NAMED_OPTIONS
+sed -i '/additional-from-cache/d' $NAMED_OPTIONS
+sed -i 's/^options {/options {\n\trecursion no;\n\tadditional-from-cache no;/' $NAMED_OPTIONS
+
+add_domain hivebedrock.network @ geo
+add_domain mineplex.com mco
+add_domain inpvp.net play
+add_domain lbsg.net mco
+add_domain cubecraft.net mco
+add_domain galaxite.net play
+
+# Reload config
+
+systemctl reload $SERVICE_NAME