Consolidated variables in the .env.example and added the worker to a customizable list

ansible/k8s-install-deps.yaml

@@ -3,100 +3,96 @@
   become: true
 
   tasks:
-    - name: Ensure apt cache is updated
-      apt:
-        update_cache: yes
-        cache_valid_time: 3600
+    - name: Add Docker signing key
+      ansible.builtin.apt_key:
+        url: https://download.docker.com/linux/ubuntu/gpg
+        state: present
+
+    - name: Add Docker repository
+      ansible.builtin.apt_repository:
+        repo: deb [arch=amd64] https://download.docker.com/linux/ubuntu noble stable
+        state: present
 
     - name: Install required packages
-      apt:
+      ansible.builtin.apt:
         name:
           - apt-transport-https
           - ca-certificates
           - curl
           - gpg
-          - containerd
+          - containerd.io
         state: present
+        update_cache: yes
 
 ## Questo non è nella documentazione! bisogna generare il file di configurazione di containerd
-## ed scriverlo nella directory apposita, altrimenti usa un suo default che non va bene
+## ed scriverlo nella directory apposita, altrimenti usa un suo default che non va bene.
 
-    - name: Ensure containerd config directory exists
-      file:
+    - name: Ensure containerd config directory exists.
+      ansible.builtin.file:
         path: /etc/containerd
         state: directory
-        mode: '0755'
 
-    - name: Generate default containerd config if missing
-      command: containerd config default
-      register: containerd_config
-      when: not lookup('file', '/etc/containerd/config.toml', errors='ignore')
-      changed_when: false
+    - name: Get defaults from containerd.
+      ansible.builtin.command: containerd config default
+      register: containerd_config_default
 
-    - name: Write default containerd config
-      copy:
-        content: "{{ containerd_config.stdout }}"
+    - name: Create config file
+      ansible.builtin.copy:
+        content: "{{ containerd_config_default.stdout }}"
         dest: /etc/containerd/config.toml
-      when: containerd_config is defined
 
-    - name: Set SystemdCgroup = true in containerd config
-      replace:
+    - name: Set SystemdCgroup to true
+      ansible.builtin.replace:
         path: /etc/containerd/config.toml
-        regexp: '^(\s*SystemdCgroup\s*=\s*)false'
-        replace: '\1true'
+        regexp: '^(\s*)SystemdCgroup\s*=\s*false'
+        replace: '\1SystemdCgroup = true'
 
     - name: Restart containerd
-      systemd:
+      ansible.builtin.service:
         name: containerd
         state: restarted
-        enabled: yes
-
+        enabled: true
+  
 ## Importantissimo per la gestione interna della network
 
     - name: Enable IPv4 forwarding at runtime
-      sysctl:
+      ansible.posix.sysctl:
         name: net.ipv4.ip_forward
         value: '1'
-        state: present
-        reload: yes
+        reload: true
         sysctl_set: yes
 
 ## Installa kubectl, kubeadm e kubelet dal repo ufficiale kubernetes
 
-    - name: Create /etc/apt/keyrings directory
-      file:
-        path: /etc/apt/keyrings
-        state: directory
-        mode: '0755'
+    - name: Add Kubernetes signing key
+      ansible.builtin.apt_key:
+        url: https://pkgs.k8s.io/core:/stable:/v1.33/deb/Release.key
+        state: present
 
-    - name: Download and save the Kubernetes APT key
-      ansible.builtin.shell: |
-        curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.33/deb/Release.key | gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
-      args:
-        creates: /etc/apt/keyrings/kubernetes-apt-keyring.gpg
-
-    - name: Add Kubernetes APT repository
-      copy:
-        dest: /etc/apt/sources.list.d/kubernetes.list
-        content: |
-          deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.33/deb/ /
-
-    - name: Update apt cache after adding Kubernetes repo
-      apt:
-        update_cache: yes
+    - name: Add Kubernetes repository
+      ansible.builtin.apt_repository:
+        repo: deb [arch=amd64] https://pkgs.k8s.io/core:/stable:/v1.33/deb/ /
+        state: present
 
     - name: Install Kubernetes components
-      apt:
+      ansible.builtin.apt:
         name:
           - kubelet
           - kubeadm
           - kubectl
         state: present
+        update_cache: true
 
 ## Ferma i pacchetti ad una specifica versione
 
     - name: Hold Kubernetes packages
-      ansible.builtin.shell: apt-mark hold kubelet kubeadm kubectl
+      ansible.builtin.dpkg_selections:
+        name: "{{ item }}"
+        selection: hold
+      loop:
+        - kubelet
+        - kubeadm
+        - kubectl
 
 ## Abilita il servizio di kubelet