debugged previous version. This now works for ubuntu 14.14

added a var file. Unrolled some 'apt .deb' loops. Removed sleep before reboot
Fixed up network file creation for unbutu with inline commands

roles/mellanox_drivers/tasks/main.yml

 ---
+- include_vars: mellanoxVars.yml
+
 
 - name: yum install dependencies
   yum:  name=perl,pciutils,gtk2,atk,cairo,gcc-gfortran,libxml2-python,tcsh,libnl,lsof,tcl,tk
   sudo: true
   ignore_errors: true
+  when: ansible_os_family == "RedHat"
   
 - name: yum update to upgrade kernel
   shell: "yum update -y"
   sudo: true
-  when: ansible_os_family=="RedHat" and ansible_distribution_major_version == "7"
+  ignore_errors: true
+  when: ansible_os_family == "RedHat"
   
 #
 # A REBOOT IS NEEDED AFTER a KERNEL UPDATE
@@ -19,6 +23,7 @@
   poll: 0
   ignore_errors: true
   sudo: true
+  when: ansible_os_family == "RedHat"
 
 - name: waiting for server to come back
   #local_action: wait_for host={{ ansible_host }} state=started port=22 delay=10 search_regex=OpenSSH
@@ -36,26 +41,78 @@
   ignore_errors: true
 
 - name: copy driver source
-  unarchive: copy=yes src=files/MLNX_OFED_LINUX-3.1-1.0.3-rhel7.1-x86_64-ext.tgz dest=/tmp
+  #make this a variable
+  unarchive: copy=yes src="files/{{ MELLANOX_DRIVER_SRC }}.tgz" dest=/tmp 
   sudo: true
-  when: drivers_installed|failed and ansible_os_family=="RedHat" and ansible_distribution_major_version == "7"
+  #when: drivers_installed|failed and ansible_os_family=="RedHat" and ansible_distribution_major_version == "7"
+  when: drivers_installed|failed 
 
 - name: install drivers
   shell: ./mlnxofedinstall -q
   args:
-    chdir: /tmp/MLNX_OFED_LINUX-3.1-1.0.3-rhel7.1-x86_64-ext
+    #more changes
+    chdir: "/tmp/{{ MELLANOX_DRIVER_SRC }}"
   sudo: true
-  when: drivers_installed|failed and ansible_distribution_major_version == "7"
+  when: drivers_installed|failed 
 
 #
+# get IP address before reboot
+#
+- name: get IP address
+  local_action: command ./scripts/map_ib_ip.pl {{ inventory_hostname }}
+  register: ip_address
+  sudo: false
+
+  
+- name: template IP address
+  template: dest=/etc/sysconfig/network-scripts/ifcfg-ens6 src=ifcfg-ens6.j2 owner=root group=root
+  sudo: true
+  when:  ansible_os_family=="RedHat" and  ansible_distribution_major_version == "7"
+#ubuntu equivalent of previous command
+- name: Ubuntu network interfaces - line 1
+  lineinfile:
+  args: 
+      dest: /etc/network/interfaces
+      line: auto {{ MELLANOX_DEVICE_NAME }}
+      state: present
+  sudo: true
+  when: ansible_os_family=="Debian"
+- name: Ubuntu network interfaces - line 2
+  lineinfile:
+  args: 
+      dest: /etc/network/interfaces
+      line: iface {{ MELLANOX_DEVICE_NAME }} inet static
+      state: present
+      insertafter: "auto {{ MELLANOX_DEVICE_NAME }}"
+  sudo: true
+  when: ansible_os_family=="Debian"
+- name: Ubuntu network interfaces - line 3
+  lineinfile:
+  args: 
+      dest: /etc/network/interfaces
+      line: address {{ ip_address.stdout }}
+      state: present
+      insertafter: "iface {{ MELLANOX_DEVICE_NAME }} inet static"
+  sudo: true
+  when: ansible_os_family=="Debian"
+#
 # A REBOOT IS NEEDED AFTER SUCCESSFUL INSTALL
 #
 - name: restart machine
-  command: sleep 5; sudo shutdown -r now "Ansible updates triggered"
+  command: "sleep 5; sudo shutdown -r now"
   async: 2
   poll: 0
   ignore_errors: true
   sudo: true
+  when: ansible_os_family=="Centos"
+
+- name: restart machine for Ubuntu -cos it is 'special'
+  command: "sudo shutdown -r now"
+  async: 2
+  poll: 0
+  ignore_errors: true
+  sudo: true
+  when: ansible_os_family=="Debian"
 
 - name: waiting for server to come back
   local_action: wait_for host={{ ansible_ssh_host }} state=started port=22 delay=10 search_regex=OpenSSH
@@ -63,23 +120,11 @@
 
 - name: waiting for server to come back 2
   local_action: wait_for host={{ ansible_ssh_host }} state=started port=22 delay=10 search_regex=OpenSSH
-  sudo: false
 
-- name: get IP address
-  local_action: command ./scripts/map_ib_ip.pl {{ inventory_hostname }}
-  register: ip_address
-  
-- name: template IP address
-  template: dest=/etc/sysconfig/network-scripts/ifcfg-ens6 src=ifcfg-ens6.j2 owner=root group=root
-  sudo: true
-  when: ansible_distribution_major_version == "7"
- 
 - name: bring up interface
-  command: ifup ens6
+  #variable=eth0 or ens6
+  command: ifup {{ MELLANOX_DEVICE_NAME }} 
   sudo: true
   when: ansible_distribution_major_version == "7"
    
   
-
-
-