1.backup origin deploy.yml to backup_deploy_yml_file

2.merge small task file to one directory

tasks/uninstall/uninstall_maat_redis.yml

@@ -0,0 +1,24 @@
+- hosts: host_uninstall_redis
+  remote_user: root
+  tasks:
+    - name: "maat-redis-uninstall: stop maat-redis service"
+      systemd:
+        name: "{{ item }}"
+        state: stopped
+      with_items:
+        - maat-redis.service
+        - redis.service
+    
+    - name: "maat-redis-uninstall: rm maat-redis.conf and maat-redis.service"
+      file:
+        path: "{{ item }}"
+        state: absent
+      with_items:
+        - /etc/maat-redis.conf
+        - /usr/lib/systemd/system/maat-redis.service
+    
+    - name: remove redis
+      yum:
+        name: redis
+        state: absent
+    

tasks/uninstall/uninstall_node-exporter.yml

@@ -0,0 +1,26 @@
+- hosts: adc_mxn
+  remote_user: root
+  tasks:
+
+    - name: "stop node-exporter service"
+      shell: systemctl stop node-exporter
+      ignore_errors: true
+
+    - name: "disable node-exporter service"
+      shell: systemctl disable node-exporter
+      ignore_errors: true
+
+    - name: "remove node-exporter service"
+      shell: rm /usr/lib/systemd/system/node-exporter.service
+      ignore_errors: true 
+
+    - name: 'reset node-exporter in mxn'
+      shell: systemctl daemon-reload; systemctl reset-failed node-exporter
+      ignore_errors: true
+
+
+    - name: 'start adc-exporter-node service'
+      systemd:
+        name:  adc-exporter-node
+        state: started
+        enabled: yes

tasks/uninstall/uninstall_redis40u.yml

@@ -0,0 +1,14 @@
+- hosts: adc_mcn3
+  remote_user: root
+  tasks:
+    - name: 'redis service stop'
+      systemd:
+        name: redis
+        enabled: no
+        daemon_reload: yes
+        state: stopped
+        
+    - name: remove the redis40u
+      yum:
+        name: redis40u
+        state: absent

tasks/uninstall/uninstall_rpm_node-exporter.yml

@@ -0,0 +1,7 @@
+- hosts: adc_mxn
+  remote_user: root
+  tasks:
+    - name: remove the node-exporter
+      yum:
+        name: node-exporter
+        state: absent