Rename bootstrap-os to bootstrap_os

Role names in ansible collections should not have hyphens.

roles/bootstrap_os/defaults/main.yml

@@ -0,0 +1,42 @@
+---
+## CentOS/RHEL/AlmaLinux specific variables
+# Use the fastestmirror yum plugin
+centos_fastestmirror_enabled: false
+# Timeout (in seconds) for checking RHEL subscription status
+rh_subscription_check_timeout: 180
+
+## Flatcar Container Linux specific variables
+# Disable locksmithd or leave it in its current state
+coreos_locksmithd_disable: false
+
+# Install epel repo on Centos/RHEL
+epel_enabled: false
+
+## Oracle Linux specific variables
+# Install public repo on Oracle Linux
+use_oracle_public_repo: true
+
+## Ubuntu specific variables
+# Disable unattended-upgrades for Linux kernel and all packages start with linux- on Ubuntu
+ubuntu_kernel_unattended_upgrades_disabled: false
+
+fedora_coreos_packages:
+  - python
+  - python3-libselinux
+  - ethtool                 # required in kubeadm preflight phase for verifying the environment
+  - ipset                   # required in kubeadm preflight phase for verifying the environment
+  - conntrack-tools         # required by kube-proxy
+  - containernetworking-plugins  # required by crio
+
+## General
+# Set the hostname to inventory_hostname
+override_system_hostname: true
+
+is_fedora_coreos: false
+
+skip_http_proxy_on_os_packages: false
+
+# If this is true, debug information will be displayed but
+# may contain some private data, so it is recommended to set it to false
+# in the production environment.
+unsafe_show_logs: false