Update README.md

[ajeetraina]

With ansible-playbook v2.0.0.2 which comes by default under Ubuntu 16.04, I found that it misses few of modules which is required and hence user might encounter the below issue:

root@ubuntu:~# ansible-playbook --version
ansible-playbook 2.0.0.2
  config file = /etc/ansible/ansible.cfg
  configured module search path = Default w/o overrides

root@ubuntu:~/test/redfish-ansible-module/playbooks# ansible-playbook get_system_logs.yml
ERROR! no action detected in task

The error appears to have been in '/root/test/redfish-ansible-module/playbooks/get_system_logs.yml': line 12, column 5, but may
be elsewhere in the file depending on the exact syntax problem.

The offending line appears to be:

  - name: Define output file
    ^ here

To fix this, one need to update ansible-playbook to 2.6.x version as shown below:

# apt-add-repository ppa:ansible/ansible

#apt-get update && apt-get install ansible

root@ubuntu:~/test/redfish-ansible-module/playbooks# ansible-playbook --version
ansible-playbook 2.6.3
  config file = /etc/ansible/ansible.cfg
  configured module search path = [u'/root/.ansible/plugins/modules', u'/usr/share/ansible/plugins/modules']
  ansible python module location = /usr/lib/python2.7/dist-packages/ansible
  executable location = /usr/bin/ansible-playbook
  python version = 2.7.12 (default, Dec  4 2017, 14:50:18) [GCC 5.4.0 20160609]

root@ubuntu:~/test/redfish-ansible-module/playbooks# ansible-playbook get_system_inventory.yml

PLAY [System Inventory] ***************************************************************

TASK [Define output file] *************************************************************
included: /root/test/redfish-ansible-module/playbooks/create_output_file.yml for machine1, machine2

TASK [Define timestamp] ***************************************************************
ok: [machine1]

TASK [Define file to place results] ***************************************************
ok: [machine1]
ok: [machine2]

I suggest you to capture minimal requirement for ansible-playbook version for its smooth functionality.

[jose-delarosa]

Thank you for your suggestion @ajeetraina. Please note that development has moved to https://github.com/ansible/ansible, starting with ansible v2.7, so this issue will not be there.