Added binary upgrade option

ansible/roles/install/tasks/centos.yml

@@ -30,5 +30,5 @@
 
 - name: Install package on CentOS/RedHat
   when: ansible_os_family == "RedHat"
-  yum: "pkg={{service}} update_cache=yes"
+  yum: "pkg={{service}} update_cache=yes state=latest"
 

ansible/roles/install/tasks/debian.yml

@@ -18,5 +18,5 @@
 
 - name: Install package on Debian/Ubuntu
   when: ansible_os_family == "Debian"
-  apt: "pkg={{service}}"
+  apt: "pkg={{service}} update_cache=yes state=latest"
 

ansible/upgrade.yml

@@ -0,0 +1,10 @@
+---
+
+#variable "service" is required
+
+- hosts: "{{ lookup('env','TF_VAR_TESTNET_NAME') }}"
+  roles:
+    - stop
+    - install
+    - start
+