Add Vagrantfile for local testing

Signed-off-by: Derek Nola <derek.nola@suse.com>

Vagrantfile

@@ -0,0 +1,56 @@
+# ENV['VAGRANT_NO_PARALLEL'] = 'no'
+NODE_ROLES = ["server-0", "server-1", "server-2", "agent-0", "agent-1"]
+NODE_BOXES = ['generic/ubuntu2004', 'generic/ubuntu2004', 'generic/ubuntu2004', 'generic/ubuntu2004', 'generic/ubuntu2004']
+NODE_CPUS = 2
+NODE_MEMORY = 2048
+# Virtualbox >= 6.1.28 require `/etc/vbox/network.conf` for expanded private networks 
+NETWORK_PREFIX = "10.10.10"
+
+def provision(vm, role, node_num)
+  vm.box = NODE_BOXES[node_num]
+  vm.hostname = role
+  # An expanded netmask is required to allow VM<-->VM communication, virtualbox defaults to /32
+  node_ip = "#{NETWORK_PREFIX}.#{100+node_num}"
+  vm.network "private_network", ip: node_ip, netmask: "255.255.255.0"
+
+  vm.provision "ansible", run: 'once' do |ansible|
+    ansible.compatibility_mode = "2.0"
+    ansible.verbose = "vv"
+    ansible.playbook = "playbook/site.yml"
+    ansible.groups = {
+      "server" => NODE_ROLES.grep(/^server/),
+      "agent" => NODE_ROLES.grep(/^agent/),
+      "k3s_cluster:children" => ["server", "agent"],
+    }
+    ansible.extra_vars = {
+      k3s_version: "v1.26.5+k3s1",
+      api_endpoint: "#{NETWORK_PREFIX}.100",
+      api_port: 6443,
+      extra_server_args: "",
+      extra_server_init_args: "",
+      extra_agent_args: "",
+    }
+  end
+
+end
+
+Vagrant.configure("2") do |config|
+  # Default provider is libvirt, virtualbox is only provided as a backup
+  config.vm.provider "libvirt" do |v|
+    v.cpus = NODE_CPUS
+    v.memory = NODE_MEMORY
+  end
+  config.vm.provider "virtualbox" do |v|
+    v.cpus = NODE_CPUS
+    v.memory = NODE_MEMORY
+  end
+  
+  # Must iterate on the index, vagrant does not understand iterating 
+  # over the node roles themselves
+  NODE_ROLES.each_with_index do |name, i|
+    config.vm.define name do |node|
+      provision(node.vm, name, i)
+    end
+  end
+
+end