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objectif2/playbook.yml

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+# https://www.reddit.com/r/ansible/comments/sn9l9d/microk8s_join_cluster_with_ansible/
+# https://canonical.com/microk8s/docs/getting-started
+# https://docs.ansible.com/projects/ansible/latest/collections/kubernetes/core/docsite/kubernetes_scenarios/scenario_k8s_object.html
+# https://www.reddit.com/r/kubernetes/comments/1cdfq13/microk8s_clustering_connection_filed_invalid/
+---
+- hosts: all
+  become: true
+  vars_files:
+    - vars/default.yml
+
+  tasks:
+    - name: Update prerequisites
+      apt:
+        update_cache: true
+
+  #Install dependencies
+    - name: Install Snap packet
+      apt: 
+        name: [ 'snap' ]
+        state: present
+
+    - name: Install microk8s for All Node
+      become: true # needed if the other tasks are not played as root
+      snap:
+        name: microk8s
+        classic: yes
+        channel: stable
+
+# Control Node, create join key for worker joins
+- hosts: "controlnode"
+  become: true
+  tasks:
+    # Create join key
+    - name: Create join key
+      # --token-ttl to avoid ERROR 500
+      shell: microk8s add-node --token-ttl 300
+      register: join_cluster
+      run_once: true
+
+    - name: Create persistent var
+      set_fact:
+        #join: "{{ join_cluster.stdout_lines[4] | regex_replace('10\\.0\\.2\\.15', '192.168.56.141') }}"
+        join: "{{ join_cluster.stdout_lines[4] | regex_replace('[0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+', hostvars[groups['controlnode'][0]]['ansible_ssh_host']) }}"
+        run_once: true
+
+    # DEBUG: We want to see if we have the good IP or not, if not we cannot join the control
+    # Normally, it will use eht0 or docker bridge IP so we have to change
+    - name: Test var
+      debug:
+        var: join
+
+# Tâche 2 : Provisionnement du Worker node
+# Worker Node, join from Control Node
+- hosts: "workernode"
+  become: true
+  tasks:
+
+    # Join clustor with
+    - name: Join cluster
+      # Have to use microk8s-controller here instead of a group controlnode
+      #shell: "{{ hostvars['microk8s-controller']['join'] }}"
+      # But because of it see the IP of the machine virtual, so we have to use IP of real host assigned
+      shell: "{{ hostvars[groups['controlnode'][0]]['join'] }} --skip-verify"
+
+- hosts: "controlnode"
+  become: true
+  tasks:
+    # Tâche 3: Déploiement d'un service dans le cluster
+    #Install dependencies
+    - name: Install Snap packet
+      apt:
+        name: [ 'python3-pip' ]
+        state: present
+
+    - name: Install kubernetes
+      pip:
+        name: kubernetes
+        executable: pip3
+
+    - name: Create Nginx pod
+      kubernetes.core.k8s:
+        kubeconfig: /var/snap/microk8s/current/credentials/client.config
+        state: present
+        definition:
+          apiVersion: v1
+          kind: Pod
+          metadata:
+            name: nginx-service
+            namespace: default
+          spec:
+            containers:
+              - name: nginx
+                image: nginx:stable-alpine-perl
+
+    #Tache 3.3: Vérifiez que le pod est bien déployé.
+    - name: Verify nginx works
+      kubernetes.core.k8s_info:
+        kubeconfig: /var/snap/microk8s/current/credentials/client.config
+        kind: Pod
+        namespace: default
+      register: nginx_info
+
+    - name: Debug pod's infomations
+      debug:
+        var: nginx_info.resources