Обновление конфигурации Ansible: добавлены новые пресеты, улучшен Makefile, добавлена документация

scripts/test-playbook.yml

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+---
+# Простой тестовый playbook для проверки 3 контейнеров
+# Автор: Сергей Антропов
+# Сайт: https://devops.org.ru
+
+- name: Test containers connectivity
+  hosts: localhost
+  gather_facts: false
+  tasks:
+    - name: Check container u1 (Debian)
+      command: docker exec u1 echo "Hello from u1"
+      register: u1_result
+      changed_when: false
+
+    - name: Check container u2 (RHEL)
+      command: docker exec u2 echo "Hello from u2"
+      register: u2_result
+      changed_when: false
+
+    - name: Check container u3 (Debian)
+      command: docker exec u3 echo "Hello from u3"
+      register: u3_result
+      changed_when: false
+
+    - name: Display results
+      debug:
+        msg: 
+          - "u1 (Debian): {{ u1_result.stdout }}"
+          - "u2 (RHEL): {{ u2_result.stdout }}"
+          - "u3 (Debian): {{ u3_result.stdout }}"
+
+    - name: Install nginx on u1
+      command: docker exec u1 bash -c "apt-get update && apt-get install -y nginx"
+      register: nginx_u1
+      changed_when: false
+
+    - name: Install nginx on u2
+      command: docker exec u2 bash -c "yum install -y nginx"
+      register: nginx_u2
+      changed_when: false
+
+    - name: Install nginx on u3
+      command: docker exec u3 bash -c "apt-get update && apt-get install -y nginx"
+      register: nginx_u3
+      changed_when: false
+
+    - name: Display nginx installation results
+      debug:
+        msg:
+          - "Nginx installation on u1: {{ 'SUCCESS' if nginx_u1.rc == 0 else 'FAILED' }}"
+          - "Nginx installation on u2: {{ 'SUCCESS' if nginx_u2.rc == 0 else 'FAILED' }}"
+          - "Nginx installation on u3: {{ 'SUCCESS' if nginx_u3.rc == 0 else 'FAILED' }}"