missing permissions when running as non root

some tasks miss permissions to be run as a normal user

Change-Id: Ic53308adb7fa3a10a7b1f1caa27ca7dd67037cdd

ansible/roles/elasticsearch/tasks/config.yml

 ---
 - name: Setting sysctl values
+  become: true
   sysctl: name={{ item.name }} value={{ item.value }} sysctl_set=yes
   with_items:
     - { name: "vm.max_map_count", value: 262144}

ansible/roles/neutron/tasks/config.yml

@@ -344,6 +344,7 @@
     - "Restart {{ item.key }} container"
 
 - name: Copy neutron-l3-agent-wrapper script
+  become: true
   vars:
     service_name: "neutron-l3-agent"
     service: "{{ neutron_services[service_name] }}"
@@ -358,6 +359,7 @@
     - "Restart {{ service_name }} container"
 
 - name: Copy neutron-vpnaas-agent-wrapper script
+  become: true
   vars:
     service_name: "neutron-vpnaas-agent"
     service: "{{ neutron_services[service_name] }}"

ansible/roles/openvswitch/tasks/config.yml

@@ -27,6 +27,7 @@
     - "Restart {{ item.key }} container"
 
 - name: Copying over start-ovs file for openvswitch-vswitchd
+  become: true
   vars:
     service: "{{ openvswitch_services['openvswitch-vswitchd'] }}"
   template:
@@ -40,6 +41,7 @@
     - "Restart openvswitch-vswitchd container"
 
 - name: Copying over start-ovsdb-server files for openvswitch-db-server
+  become: true
   vars:
     service: "{{ openvswitch_services['openvswitch-db-server'] }}"
   template: