added vagrant scripts

scripts/configure_vagrant_k3s.sh

@@ -0,0 +1,77 @@
+#!/usr/bin/env bash
+
+# This script checks for Vagrant and VirtualBox prerequisites, ensures Vagrant VMs are running, and gathers network and system information from the VMs.
+
+echo "Checking Vagrant prerequisites..."
+
+# Check if Vagrant is installed
+if ! command -v vagrant &> /dev/null; then
+    echo "Vagrant is not installed. Please install Vagrant to proceed."
+    exit 1
+fi
+
+# Check if VirtualBox is installed
+if ! command -v VBoxManage &> /dev/null; then   
+    echo "VirtualBox is not installed. Please install VirtualBox to proceed."
+    exit 1
+fi
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+echo "Script directory: $SCRIPT_DIR"
+
+VAGRANT_DIR="$SCRIPT_DIR/../vagrant/dev/ubuntu/"
+
+cd "$VAGRANT_DIR" || {
+    echo "Failed to change directory to Vagrant directory: $VAGRANT_DIR"
+    exit 1
+}
+
+# Check if any VMs are running; if not, run 'vagrant up'
+if [ -z "$(vagrant status | grep 'running')" ]; then      
+    echo "No Vagrant VMs are running. Starting VMs with 'vagrant up'..."
+    vagrant up
+fi
+
+network_info=()
+
+echo "Gathering network information from running VMs..."
+running_vms=$(vagrant status | grep "running" | awk '{print $1}')
+
+for vm in $running_vms; do
+
+    # Check network interfaces
+    vm_info=$(vagrant ssh "$vm" -c "ip -j addr" | jq -r '
+        .[] | 
+        "Interface: \(.ifname)\n" +    vm_info=$(vagrant ssh "$vm" -c "ip -j addr" | jq -r '
+
+        (if .addr_info then
+            (.addr_info | map("  IP (\(.family)): \(.local)") | join("\n"))
+        else
+            ""
+        end)
+    ')
+
+    # Save the VM's network info to the array
+    network_info+=("$vm:\n$vm_info")
+
+done
+
+for vm in $running_vms; do
+    echo $vm
+    echo "----------------------------------------"
+    vagrant ssh "$vm" -c "free" | grep 'Mem:' | awk '{print "Memory in bytes: " $2 " Memory in MB: " $2/1024/1024}'
+    vagrant ssh "$vm" -c "lscpu" | grep 'CPU(s):' | grep -v 'NUMA' | awk '{print "CPU count: " $2}'
+    echo "----------------------------------------"
+done
+
+echo "Network information gathered successfully."
+
+# Print network information
+for info in "${network_info[@]}"; do
+    echo "----------------------------------------"
+    echo -e "$info"
+    echo "----------------------------------------"
+done
+
+
+

vagrant/dev/ubuntu/Vagrantfile

@@ -0,0 +1,94 @@
+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+
+# All Vagrant configuration is done below. The "2" in Vagrant.configure
+# configures the configuration version (we support older styles for
+# backwards compatibility). Please don't change it unless you know what
+# you're doing.
+Vagrant.configure("2") do |config|
+  # VM 1 Configuration
+  config.vm.define "vm1" do |vm1|
+    vm1.vm.box = "hashicorp/bionic64"
+
+    # run ip link to list network interfaces on linux
+    # run ipconfig to list network interfaces on Windows
+    # Example output:
+    # Ethernet adapter vEthernet (WSL):
+    # Connection-specific DNS Suffix  . :
+    # IPv6 Address. . . . . . . . . . . : fe80::xxxx:xxxx:xxxx:xxxx%xx
+    # IPv4 Address. . . . . . . . . . . : 192.168.x.x
+    # Subnet Mask . . . . . . . . . . . :
+    # on macOS, run ifconfig to list network interfaces
+    # Example output:
+    # en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500
+    # options=400<LINKSTATE>
+    # ether xx:xx:xx:xx:xx:xx
+    # inet6 fe80::xxxx:xxxx:xxxx:xxxx%en0 prefixlen 64 scopeid 0x4
+    # inet 192.168.x.x netmask 0xffffff00 broadcast 192.168.x.255
+
+    # This configuration sets up a private network for inter-VM communication
+    # and a public network for external access.
+    # The private network uses DHCP to assign IP addresses automatically.
+    # Private network for inter-VM communication using DHCP
+
+    # Uncomment the following line to use a specific network interface for the public network
+    # and replace "wlp0s20f3" with your actual network interface name.
+    # vm1.vm.network "public_network", bridge: "wlp0s20f3"
+
+    vm1.vm.network "private_network", type: "dhcp"
+
+    vm1.vm.provider "virtualbox" do |vb|
+      vb.memory = "2048" # 2GB memory
+      vb.cpus = 2
+    end    
+
+    vm1.vm.provision "shell", inline: <<-SHELL
+      sudo apt-get update
+      sudo apt-get install -y jq
+    SHELL
+  end
+
+  # VM 2 Configuration
+  config.vm.define "vm2" do |vm2|
+    vm2.vm.box = "hashicorp/bionic64"
+
+    # Private network for inter-VM communication using DHCP
+    vm2.vm.network "private_network", type: "dhcp"
+
+    # Public network for external access
+    vm2.vm.network "public_network", bridge: "wlp0s20f3"
+
+    vm2.vm.provider "virtualbox" do |vb|
+      vb.memory = "2048" # 2GB memory
+      vb.cpus = 2
+    end
+    
+    vm2.vm.provision "shell", inline: <<-SHELL
+      sudo apt-get update
+      sudo apt-get install -y jq
+    SHELL
+  end
+
+  # VM 3 Configuration
+  config.vm.define "vm3" do |vm3|
+    vm3.vm.box = "hashicorp/bionic64"
+
+    # Private network for inter-VM communication using DHCP
+    vm3.vm.network "private_network", type: "dhcp"
+
+    # Public network for external access
+    vm3.vm.network "public_network", bridge: "wlp0s20f3"
+
+    vm3.vm.provider "virtualbox" do |vb|
+      vb.memory = "2048" # 2GB memory
+      vb.cpus = 2
+    end
+
+    vm3.vm.provision "shell", inline: <<-SHELL
+      sudo apt-get update
+      sudo apt-get install -y jq
+    SHELL
+
+
+  end
+end