# Ansible-Linux_Base

Configures a Linux machine to the corporate base image from default install media with a minimal install

## Requirements

If the "base_core_hostname" variable is defined, it is recommended to set the ansible_ssh_common_args variable for the host to the following setting so the regeneration of the SSH host keys will not cause an error.

|        Variable         |                             Value                             |
| ----------------------- | ------------------------------------------------------------- |
| ansible_ssh_common_args | '-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no' |

## Role Variables

### Core Variables

|                   Variable                   | Required |    Default    |   Choices   |                                  Comments                                  |
| -------------------------------------------- | -------- | ------------- | ----------- | -------------------------------------------------------------------------- |
| base_core_cert_common_name                   | No       | nodename      |             | Common name for created self-signed cert                                   |
| base_core_hostname                           | No       | ""            |             | Defines the computer hostname                                              |
| base_core_install_updates                    | Yes      | True          | True, False | Install all available updates for the distro at runtime                    |
| base_core_management_user                    | No       | ansible_user  |             | Defines the account that ansible will use for management in the future     |
| base_core_management_user_disable_password   | No       | False         | True, False | When enabled the password for the management user account will be disabled |
| base_core_motd_banner                        | No       | ""            |             | Banner to be added to MOTD if desired                                      |
| base_core_motd_enabled                       | Yes      | True          | True, False | Allows the MOTD to be configured                                           |
| base_core_root_ca_basename                   | No       | ""            |             | Basename of the cert for local system reference                            |
| base_core_root_ca_convert                    | Yes      | False         | True, False | Converts the defined certificate from DER to PEM type                      |
| base_core_root_ca_url                        | No       | ""            |             | URL of a Root CA to install                                                |
| base_core_ssh_permit_password_authentication | Yes      | False         | True, False | Permits the use of passwords for ssh                                       |
| base_core_ssh_permit_root_login              | Yes      | False         | True, False | Permits the use of root logins for ssh                                     |
| base_core_timezone                           | No       | America/Boise |             | Defines the timezone to apply to the client                                |
| base_core_web_management                     | Yes      | False         | True, False | Enables installation of the Cockpit web management package(s)              |


## Example

Execute playbook with needed variables

`ansible-playbook -i hosts site.yml --ask-pass --ask-become-pass`

Inventory File:

```yaml
---
# file: hosts.yml

prod:
  hosts:
    prod-svr01:
      ansible_host: 192.168.0.10
      base_core_hostname: "prod-svr01"
    prod-svr02:
      ansible_host: 192.168.0.11

  vars:
    ansible_user: ansible
    ansible_ssh_common_args: '-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no'
    base_core_ssh_permit_password_authentication: true
```

### Tags

Available tags for the role:

| Role |                                                                        Tags                                                                        |
| ---- | -------------------------------------------------------------------------------------------------------------------------------------------------- |
| Base | all, authorized_key, automatic_updates, cert, firewall, hostname, kernel, motd, password_auth, root_ca, root_login, ssh, time_sync, web_management |