feat: add Ingress and Service configurations for nginx deployment, and implement MetalLB and Traeik installation scripts

refactor: remove obsolete Traefik installation script

feat: add environment checks and configurations for Vagrant setup, including dnsmasq  MetalLB  and ingress

vagrant/dev/ubuntu/ansible/install_dnsmasq.yaml

@@ -0,0 +1,78 @@
+---
+- name: Install Dnsmasq on workstation
+  hosts: localhost
+  become: true
+  become_user: root
+  serial: 1 # Ensure tasks are executed one host at a time
+  vars_files:
+    - vars.yaml
+
+  tasks:
+
+    - name: Install dnsmasq
+      ansible.builtin.apt:
+        name: dnsmasq
+        state: present
+
+
+    - name: Stop systemd-resolved
+      ansible.builtin.systemd:
+        name: systemd-resolved
+        state: stopped
+
+    - name: Disable systemd-resolved
+      ansible.builtin.systemd:
+        name: systemd-resolved
+        enabled: false
+
+    - name: check to see if /etc/resolv.conf is a symlink
+      ansible.builtin.stat:
+        path: /etc/resolv.conf
+      register: resolv_conf
+
+    - name: Remove /etc/resolv.conf if it is a symlink
+      ansible.builtin.file:
+        path: /etc/resolv.conf
+        state: absent
+      when: resolv_conf.stat.islnk
+
+    - name: Ensure /etc/resolv.conf is a regular file
+      ansible.builtin.file:
+        path: /etc/resolv.conf
+        state: touch
+
+    - name: Ensure /etc/resolv.conf uses 127.0.0.1 for server
+      ansible.builtin.lineinfile:
+        path: /etc/resolv.conf
+        regexp: '^nameserver'
+        line: 'nameserver 127.0.0.1'
+        state: present
+
+    - name: Configure dnsmasq
+      ansible.builtin.copy:
+        dest: /etc/dnsmasq.d/k3s-cluster.conf
+        content: |
+          address=/{{ dnsmasq_k3s_domain }}
+          server=1.1.1.1
+          server=8.8.8.8
+        owner: root
+        group: root
+        mode: "0644"
+      notify: Restart dnsmasq
+
+    - name: Ensure conf-dir is uncommented in /etc/dnsmasq.conf
+      ansible.builtin.lineinfile:
+        path: /etc/dnsmasq.conf
+        regexp: '^#?conf-dir=/etc/dnsmasq.d'
+        line: 'conf-dir=/etc/dnsmasq.d'
+        state: present
+        owner: root
+        group: root
+        mode: '0644'
+
+  handlers:
+    - name: Restart dnsmasq
+      ansible.builtin.systemd:
+        name: dnsmasq
+        state: restarted
+