Chapter 5. The Redfish modules in RHEL

1. redfish_info: The redfish_info module retrieves information about the remote Out-Of-Band (OOB) controller such as systems inventory.
2. redfish_command: The redfish_command module performs Out-Of-Band (OOB) controller operations like log management and user management, and power operations such as system restart, power on and off.
3. redfish_config: The redfish_config module performs OOB controller operations such as changing OOB configuration, or setting the BIOS configuration.

Procedure

1. Create a new playbook.yml file with the following content:

   ---
   - name: Get CPU inventory
     hosts: localhost
     tasks:
       - redhat.rhel_mgmt.redfish_info:
           baseuri: "{{ baseuri }}"
           username: "{{ username }}"
           password: "{{ password }}"
           category: Systems
           command: GetCpuInventory
         register: result

2. Execute the playbook against localhost:

   # ansible-playbook playbook.yml

Procedure

1. Create a new playbook.yml file with the following content:

   ---
   - name: Power on system
     hosts: localhost
     tasks:
       - redhat.rhel_mgmt.redfish_command:
           baseuri: "{{ baseuri }}"
           username: "{{ username }}"
           password: "{{ password }}"
           category: Systems
           command: PowerOn

2. Execute the playbook against localhost:

   # ansible-playbook playbook.yml

Procedure

1. Create a new playbook.yml file with the following content:

   ---
   - name: "Set BootMode to UEFI"
     hosts: localhost
     tasks:
       - redhat.rhel_mgmt.redfish_config:
           baseuri: "{{ baseuri }}"
           username: "{{ username }}"
           password: "{{ password }}"
           category: Systems
           command: SetBiosAttributes
           bios_attributes:
             BootMode: Uefi

2. Execute the playbook against localhost:

   # ansible-playbook playbook.yml