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AnisiblePlaybooks/Playbooks/Proxmox/install_qemu_agent.yml

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+# To create an Ansible playbook that checks if qemu-guest-agent is installed, and if not, installs it, you can use the ansible.builtin.package module, which can manage packages across various types of package managers.
+
+# Below is a simple playbook that accomplishes this:
+
+#_________________________________________________________________________________________
+---
+- name: Check and Install qemu-guest-agent
+  hosts: all
+  become: yes # Use this if you need elevated privileges to install packages
+  tasks:
+  - name: Check if qemu-guest-agent is installed
+    ansible.builtin.package_facts:
+
+
+  - name: update apt cache
+    command: apt update
+
+  - name: upgrade all packages
+    command: apt upgrade -y
+
+  - name: Install qemu-guest-agent if not installed
+    ansible.builtin.package:
+      name: qemu-guest-agent
+      state: present
+    when: "'qemu-guest-agent' not in ansible_facts.packages"
+
+  - name: Start guest qemu-guest-agent
+    ansible.builtin.service:
+      name: qemu-guest-agent
+      state: started
+      enabled: true
+
+#___________________________________________________________________________________________
+
+# Explanation:
+#
+#    hosts: all - This playbook will run on all hosts in your inventory.
+#    become: yes - This allows the tasks to run with elevated privileges (root), which is often required for installing packages.
+#    package_facts - This module gathers facts about installed packages on the target machine and stores them in ansible_facts.
+#    package - This module installs the specified package. The state: present ensures the package is installed.
+#    when condition - The when clause checks if qemu-guest-agent is present in the ansible_facts.packages. If it’s not installed, the package will be installed.
+
+# Usage
+
+#    Save the above YAML content to a file, for instance, install_qemu_guest_agent.yml.
+
+#    Run the playbook using the following command:
+
+#                 COMMAND TO RUN:  ansible-playbook -i your_inventory_file install_qemu_guest_agent.yml
+
+# Replace your_inventory_file with the path to your Ansible inventory file that defines your target hosts.
+
+# This playbook should effectively install the qemu-guest-agent on any host where it is not already installed.