minor fix for cleaning haproxy&keepalived

roles/clean/tasks/clean_lb.yml

@@ -1,10 +1,17 @@
 # to clean 'lb' service
 - block:
-  - name: rm service keepalived and haproxy
-    service: name={{ item }} state=stopped enabled=no
-    with_items:
-    - keepalived
-    - haproxy
+  - name: get service info
+    shell: 'systemctl list-units --type=service |grep -E "haproxy|keepalived|ssh"'
+    register: service_info
+
+  - name: remove service haproxy
+    service: name=haproxy state=stopped enabled=no
+    when: '"haproxy" in service_info.stdout'
+    ignore_errors: true
+
+  - name: remove service keepalived
+    service: name=keepalived state=stopped enabled=no
+    when: '"keepalived" in service_info.stdout'
     ignore_errors: true
 
   - name: remove files and dirs