diff --git a/roles/download/meta/main.yml b/roles/download/meta/main.yml
new file mode 100644
index 0000000..e7911d5
--- /dev/null
+++ b/roles/download/meta/main.yml
@@ -0,0 +1,8 @@
+---
+argument_specs:
+  main:
+    short_description: Manage the downloading of K3S binaries
+    options:
+      k3s_version:
+        description: The desired version of K3S
+        required: true
diff --git a/roles/k3s_agent/defaults/main.yml b/roles/k3s_agent/defaults/main.yml
index 0b45925..037c1f3 100644
--- a/roles/k3s_agent/defaults/main.yml
+++ b/roles/k3s_agent/defaults/main.yml
@@ -1,2 +1,5 @@
 ---
+is_pxe_booted: false
+extra_agent_args: ""
+group_name_master: master
 systemd_dir: /etc/systemd/system
diff --git a/roles/k3s_agent/meta/main.yml b/roles/k3s_agent/meta/main.yml
new file mode 100644
index 0000000..a2f694c
--- /dev/null
+++ b/roles/k3s_agent/meta/main.yml
@@ -0,0 +1,29 @@
+---
+argument_specs:
+  main:
+    short_description: Setup k3s agents
+    options:
+      apiserver_endpoint:
+        description: Virtual ip-address configured on each master
+        required: true
+
+      extra_agent_args:
+        description: Virtual ip-address configured on each master
+        default: Arguments passed to the systemd service
+
+      group_name_master:
+        description: Name of the master group
+        default: master
+
+      proxy_env:
+        type: dict
+        description: Internet proxy configurations
+        default: ~
+        options:
+          HTTP_PROXY:
+          HTTPS_PROXY:
+          NO_PROXY:
+
+      systemd_dir:
+        description: Path to systemd services
+        default: /etc/systemd/system
diff --git a/roles/k3s_custom_registries/meta/main.yml b/roles/k3s_custom_registries/meta/main.yml
new file mode 100644
index 0000000..0ec0e7c
--- /dev/null
+++ b/roles/k3s_custom_registries/meta/main.yml
@@ -0,0 +1,19 @@
+---
+argument_specs:
+  main:
+    short_description: Configure the use of a custom container registry
+    options:
+      custom_registries_yaml:
+        description:
+          - YAML block defining custom registries.
+          - >
+            The following is an example that pulls all images used in
+            this playbook through your private registries.
+          - >
+            It also allows you to pull your own images from your private
+            registry, without having to use imagePullSecrets in your
+            deployments.
+          - >
+            If all you need is your own images and you don't care about
+            caching the docker/quay/ghcr.io images, you can just remove
+            those from the mirrors: section.
diff --git a/roles/k3s_server/defaults/main.yml b/roles/k3s_server/defaults/main.yml
index 1ab5b83..f088c96 100644
--- a/roles/k3s_server/defaults/main.yml
+++ b/roles/k3s_server/defaults/main.yml
@@ -2,9 +2,9 @@
 # If you want to explicitly define an interface that ALL control nodes
 # should use to propagate the VIP, define it here. Otherwise, kube-vip
 # will determine the right interface automatically at runtime.
-kube_vip_iface: null
+kube_vip_iface: ~
 
-# Name of the master group
+kube_vip_cloud_provider_tag_version: main
 group_name_master: master
 
 # yamllint disable rule:line-length
diff --git a/roles/k3s_server/meta/main.yml b/roles/k3s_server/meta/main.yml
new file mode 100644
index 0000000..cbe37ea
--- /dev/null
+++ b/roles/k3s_server/meta/main.yml
@@ -0,0 +1,25 @@
+---
+argument_specs:
+  main:
+    short_description: Setup k3s servers
+    options:
+      group_name_master:
+        description: Name of the master group
+        default: master
+
+      kube_vip_cloud_provider_tag_version:
+        description: Tag for kube-vip-cloud-provider manifest when enabled
+        default: main
+
+      kube_vip_lb_ip_range:
+        description: IP range for kube-vip load balancer
+        default: ~
+
+      proxy_env:
+        type: dict
+        description: Internet proxy configurations
+        default: ~
+        options:
+          HTTP_PROXY:
+          HTTPS_PROXY:
+          NO_PROXY: