k3s-ansible/roles/k3s-deploy-test/tasks/main.yml

---
- name: Wait for k3s to be fully ready
  wait_for:
    port: 6443
    host: "{{ hostvars[groups['master'][0]]['ansible_host'] }}"
    delay: 5
    timeout: 300
  delegate_to: localhost
  run_once: true

- name: Check if kubectl is available locally
  command: which kubectl
  register: kubectl_check
  delegate_to: localhost
  run_once: true
  failed_when: false
  changed_when: false

- name: Install kubectl locally if not present
  get_url:
    url: "https://dl.k8s.io/release/{{ k3s_version | regex_replace('\\+k3s.*$', '') }}/bin/{{ ansible_system | lower }}/{{ 'arm64' if ansible_architecture == 'aarch64' else 'amd64' }}/kubectl"
    dest: /tmp/kubectl
    mode: '0755'
  delegate_to: localhost
  run_once: true
  when: kubectl_check.rc != 0

- name: Set kubectl path
  set_fact:
    kubectl_bin: "{{ '/tmp/kubectl' if kubectl_check.rc != 0 else 'kubectl' }}"
  delegate_to: localhost
  run_once: true

- name: Verify kubeconfig exists
  stat:
    path: "{{ playbook_dir }}/kubeconfig"
  register: kubeconfig_file
  delegate_to: localhost
  run_once: true

- name: Fail if kubeconfig not found
  fail:
    msg: "Kubeconfig not found at {{ playbook_dir }}/kubeconfig. Please run the k3s-server role first."
  when: not kubeconfig_file.stat.exists
  delegate_to: localhost
  run_once: true

- name: Wait for all nodes to be ready
  shell: |
    {{ kubectl_bin }} --kubeconfig={{ playbook_dir }}/kubeconfig get nodes --no-headers | grep -v Ready | wc -l
  register: nodes_not_ready
  until: nodes_not_ready.stdout | int == 0
  retries: 30
  delay: 10
  delegate_to: localhost
  run_once: true
  changed_when: false

- name: Deploy nginx test application
  shell: |
    {{ kubectl_bin }} --kubeconfig={{ playbook_dir }}/kubeconfig apply -f {{ playbook_dir }}/manifests/nginx-test-deployment.yaml
  register: deploy_result
  delegate_to: localhost
  run_once: true
  changed_when: "'created' in deploy_result.stdout or 'configured' in deploy_result.stdout"

- name: Wait for nginx deployment to be ready
  shell: |
    {{ kubectl_bin }} --kubeconfig={{ playbook_dir }}/kubeconfig wait --for=condition=available --timeout=300s deployment/nginx-test -n default
  register: deployment_ready
  delegate_to: localhost
  run_once: true
  changed_when: false

- name: Get deployment status
  shell: |
    {{ kubectl_bin }} --kubeconfig={{ playbook_dir }}/kubeconfig get deployment nginx-test -n default -o wide
  register: deployment_status
  delegate_to: localhost
  run_once: true
  changed_when: false

- name: Get pods status
  shell: |
    {{ kubectl_bin }} --kubeconfig={{ playbook_dir }}/kubeconfig get pods -l app=nginx-test -n default -o wide
  register: pods_status
  delegate_to: localhost
  run_once: true
  changed_when: false

- name: Get service details
  shell: |
    {{ kubectl_bin }} --kubeconfig={{ playbook_dir }}/kubeconfig get service nginx-test -n default
  register: service_status
  delegate_to: localhost
  run_once: true
  changed_when: false

- name: Get ingress details
  shell: |
    {{ kubectl_bin }} --kubeconfig={{ playbook_dir }}/kubeconfig get ingress nginx-test -n default
  register: ingress_status
  delegate_to: localhost
  run_once: true
  changed_when: false

- name: Get master node IP for ingress access
  set_fact:
    master_ip: "{{ hostvars[groups['master'][0]]['ansible_host'] }}"
  delegate_to: localhost
  run_once: true

- name: Display deployment information
  debug:
    msg: |

      ========================================================================
      ✓ NGINX Test Deployment Successful!
      ========================================================================

      📦 DEPLOYMENT STATUS:
      {{ deployment_status.stdout }}

      🔄 PODS STATUS:
      {{ pods_status.stdout }}

      🌐 SERVICE:
      {{ service_status.stdout }}

      🔀 INGRESS:
      {{ ingress_status.stdout }}

      ========================================================================
      🚀 HOW TO ACCESS YOUR APPLICATION
      ========================================================================

      STEP 1: Add to your /etc/hosts file
      ───────────────────────────────────────────────────────────────────────
      {{ master_ip }}  nginx-test.local nginx.pi.local

      STEP 2: Access in your browser
      ───────────────────────────────────────────────────────────────────────
      → http://nginx-test.local
      → http://nginx.pi.local

      STEP 3: Or test with curl
      ───────────────────────────────────────────────────────────────────────
      curl -H "Host: nginx-test.local" http://{{ master_ip }}

      ========================================================================
      📝 USEFUL COMMANDS
      ========================================================================

      Scale deployment:
        kubectl --kubeconfig={{ playbook_dir }}/kubeconfig scale deployment nginx-test --replicas=10

      Delete deployment:
        kubectl --kubeconfig={{ playbook_dir }}/kubeconfig delete -f {{ playbook_dir }}/manifests/nginx-test-deployment.yaml

      View logs:
        kubectl --kubeconfig={{ playbook_dir }}/kubeconfig logs -l app=nginx-test --tail=50

      Watch pods:
        kubectl --kubeconfig={{ playbook_dir }}/kubeconfig get pods -l app=nginx-test -w

      ========================================================================

  delegate_to: localhost
  run_once: true