c12s-kubespray/docs/bootstrap-os.md
Omar Aloraini 6aac59394e
Rocky Linux support (#8095)
* Add Rocky as a known OS

* Make sure Rocky includes bootstrap-centos.yml

* Update docs with Rocky Linux

* Rocky Linux wireguard and EPEL

* Rocky Linux in the list of supported distributions
2021-10-19 08:29:04 -07:00

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# bootstrap-os
Bootstrap an Ansible host to be able to run Ansible modules.
This role will:
* configure the package manager (if applicable) to be able to fetch packages
* install Python
* install the necessary packages to use Ansible's package manager modules
* set the hostname of the host to `{{ inventory_hostname }}` when requested
## Requirements
A host running an operating system that is supported by Kubespray.
See [Supported Linux Distributions](https://github.com/kubernetes-sigs/kubespray#supported-linux-distributions) for a current list.
SSH access to the host.
## Role Variables
Variables are listed with their default values, if applicable.
### General variables
* `http_proxy`/`https_proxy`
The role will configure the package manager (if applicable) to download packages via a proxy.
* `override_system_hostname: true`
The role will set the hostname of the machine to the name it has according to Ansible's inventory (the variable `{{ inventory_hostname }}`).
### Per distribution variables
#### Flatcar Container Linux
* `coreos_locksmithd_disable: false`
Whether `locksmithd` (responsible for rolling restarts) should be disabled or be left alone.
#### CentOS/RHEL/AlmaLinux/Rocky Linux
* `centos_fastestmirror_enabled: false`
Whether the [fastestmirror](https://wiki.centos.org/PackageManagement/Yum/FastestMirror) yum plugin should be enabled.
## Dependencies
The `kubespray-defaults` role is expected to be run before this role.
## Example Playbook
Remember to disable fact gathering since Python might not be present on hosts.
- hosts: all
gather_facts: false # not all hosts might be able to run modules yet
roles:
- kubespray-defaults
- bootstrap-os
## License
Apache 2.0