Trying to fix when file does not exist

roles/proxy/tasks/main.yml

@@ -22,7 +22,7 @@
   replace: dest='/etc/default/haproxy' 
          regexp='ENABLED=0'
          replace='ENABLED=1'
-  when: haproxy_init|failed
+  when: not haproxy_init.exists
 
 - name: ssl key exits
   stat: path=/root/server.pem
@@ -31,11 +31,11 @@
 
 - name: Generate self signed key
   shell: openssl req -new -newkey rsa:4096 -sha256 -subj '/CN=home/O=home LTD./C=US' -x509 -nodes -keyout /root/server.key -out /root/server.crt
-  when: ssl|failed
+  when: not ssl.exists
 
 - name: Create pem file
   shell: cat /root/server.crt /root/server.key > /root/server.pem
-  when: ssl|failed
+  when: not ssl.exists
 
 - name: Restart haproxy
   service: name=haproxy state=restarted