Added uninstall feature

Jenkinsfile

@@ -7,6 +7,11 @@ pipeline {
             defaultValue: '',
             description: 'Limit to specific hosts or groups (e.g., "vms", "lxcs", "zabbix_targets", or hostname) no .lan required'
         )
+        booleanParam(
+            name: 'UNINSTALL',
+            defaultValue: false,
+            description: 'Remove Zabbix agent2 and purge configuration from target hosts'
+        )
         booleanParam(
             name: 'DRY_RUN',
             defaultValue: false,
@@ -43,6 +48,7 @@ pipeline {
                 script {
                     def limitFlag = params.LIMIT ? "--limit '${params.LIMIT}'" : ''
                     def checkFlag = params.DRY_RUN ? '--check --diff' : ''
+                    def stateVar = params.UNINSTALL ? '-e "zabbix_state=absent"' : ''
 
                     sh """
                         ansible-playbook \
@@ -50,6 +56,7 @@ pipeline {
                             playbooks/install_zabbix.yml \
                             ${limitFlag} \
                             ${checkFlag} \
+                            ${stateVar} \
                             -v
                     """
                 }
@@ -59,10 +66,10 @@ pipeline {
 
     post {
         success {
-            echo "Zabbix agent installation completed successfully"
+            echo "Zabbix agent ${params.UNINSTALL ? 'removal' : 'installation'} completed successfully"
         }
         failure {
-            echo "Zabbix agent installation failed"
+            echo "Zabbix agent ${params.UNINSTALL ? 'removal' : 'installation'} failed"
         }
     }
 }

roles/zabbix_agent/defaults/main.yml

@@ -1,4 +1,5 @@
 ---
+zabbix_state: "present"
 zabbix_server: "zabbix.lan"
 zabbix_version: "7.0"
 zabbix_release: "7.0-2"

roles/zabbix_agent/tasks/main.yml

@@ -1,43 +1,51 @@
 ---
+# Install tasks
 - name: Download Zabbix repository package
   ansible.builtin.get_url:
     url: "https://repo.zabbix.com/zabbix/{{ zabbix_version }}/ubuntu/pool/main/z/zabbix-release/zabbix-release_{{ zabbix_release }}+ubuntu{{ ansible_distribution_version }}_all.deb"
     dest: /tmp/zabbix-release.deb
     mode: '0644'
+  when: zabbix_state == 'present'
 
 - name: Install Zabbix repository package
   ansible.builtin.apt:
     deb: /tmp/zabbix-release.deb
+  when: zabbix_state == 'present'
 
 - name: Install Zabbix agent2
   ansible.builtin.apt:
     name: zabbix-agent2
     state: present
     update_cache: true
+  when: zabbix_state == 'present'
 
 - name: Configure Zabbix server address
   ansible.builtin.lineinfile:
     path: /etc/zabbix/zabbix_agent2.conf
     regexp: '^Server='
     line: "Server={{ zabbix_server }}"
+  when: zabbix_state == 'present'
 
 - name: Configure Zabbix active server address
   ansible.builtin.lineinfile:
     path: /etc/zabbix/zabbix_agent2.conf
     regexp: '^ServerActive='
     line: "ServerActive={{ zabbix_server }}"
+  when: zabbix_state == 'present'
 
 - name: Configure Zabbix agent hostname
   ansible.builtin.lineinfile:
     path: /etc/zabbix/zabbix_agent2.conf
     regexp: '^Hostname='
     line: "Hostname={{ ansible_hostname }}"
+  when: zabbix_state == 'present'
 
 - name: Configure Zabbix agent listen IP
   ansible.builtin.lineinfile:
     path: /etc/zabbix/zabbix_agent2.conf
     regexp: '^#?ListenIP='
     line: "ListenIP=127.0.0.1"
+  when: zabbix_state == 'present'
 
 - name: Enable and start Zabbix agent2
   ansible.builtin.systemd:
@@ -45,3 +53,33 @@
     state: started
     enabled: true
     daemon_reload: true
+  when: zabbix_state == 'present'
+
+# Uninstall tasks
+- name: Stop and disable Zabbix agent2
+  ansible.builtin.systemd:
+    name: zabbix-agent2
+    state: stopped
+    enabled: false
+  when: zabbix_state == 'absent'
+  ignore_errors: true
+
+- name: Remove Zabbix agent2 package
+  ansible.builtin.apt:
+    name: zabbix-agent2
+    state: absent
+    purge: true
+  when: zabbix_state == 'absent'
+
+- name: Remove Zabbix repository package
+  ansible.builtin.apt:
+    name: zabbix-release
+    state: absent
+    purge: true
+  when: zabbix_state == 'absent'
+
+- name: Remove Zabbix configuration directory
+  ansible.builtin.file:
+    path: /etc/zabbix
+    state: absent
+  when: zabbix_state == 'absent'