Add Cassandra script (#2367)

---------

Co-authored-by: @madhur

install/cassandra-install.sh

@@ -0,0 +1,66 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2024 tteck
+# Author: tteck (tteckster)
+# License: MIT
+# https://github.com/tteck/Proxmox/raw/main/LICENSE
+
+source /dev/stdin <<< "$FUNCTIONS_FILE_PATH"
+color
+verb_ip6
+catch_errors
+setting_up_container
+network_check
+update_os
+
+msg_info "Installing Dependencies"
+$STD apt-get install -y curl
+$STD apt-get install -y sudo
+$STD apt-get install -y mc
+$STD apt-get install -y apt-transport-https
+$STD apt-get install -y gnupg
+msg_ok "Installed Dependencies"
+
+msg_info "Installing OpenJDK"
+wget -qO- https://packages.adoptium.net/artifactory/api/gpg/key/public | gpg --dearmor >/etc/apt/trusted.gpg.d/adoptium.gpg
+echo 'deb [arch=amd64 signed-by=/etc/apt/trusted.gpg.d/adoptium.gpg] https://packages.adoptium.net/artifactory/deb bookworm main' >/etc/apt/sources.list.d/adoptium.list
+$STD apt-get update
+$STD apt-get install -y temurin-8-jdk
+msg_ok "Installed OpenJDK"
+
+msg_info "Installing Cassandra"
+release=$(curl -s https://cassandra.apache.org/_/download.html | grep -oP '(?<=/cassandra/)[0-9]+\.[0-9]+\.[0-9]+' | head -n 1)
+wget -qO- https://dlcdn.apache.org/cassandra/$release/apache-cassandra-${release}-bin.tar.gz | tar -xz -C /opt
+mv /opt/apache-cassandra-${release} /opt/cassandra
+sed -i -e 's/^rpc_address: localhost/#rpc_address: localhost/g' -e 's/^# rpc_interface: eth1/rpc_interface: eth0/g' /opt/cassandra/conf/cassandra.yaml
+msg_ok "Installed Cassandra"
+
+msg_info "Creating Service"
+cat <<EOF >/etc/systemd/system/cassandra.service
+[Unit]
+Description=Cassandra
+After=network.target
+
+[Service]
+PIDFile=/tmp/cassandra.pid
+ExecStart=/opt/cassandra/bin/cassandra -p /tmp/cassandra.pid -R
+StandardOutput=append:/tmp/cassandra.log
+StandardError=append:/tmp/cassandra-error.log
+LimitNOFILE=100000
+LimitMEMLOCK=infinity
+LimitNPROC=32768
+LimitAS=infinity
+
+[Install]
+WantedBy=default.target
+EOF
+systemctl enable -q --now cassandra.service
+msg_ok "Created Service"
+
+motd_ssh
+customize
+
+msg_info "Cleaning up"
+$STD apt-get autoremove
+$STD apt-get autoclean
+msg_ok "Cleaned"