feat: add cluster network and service options

_docs/index.md

@@ -28,6 +28,9 @@ Setup K3s cluster nodes.
   - [k3s_server_admission_plugins](#k3s_server_admission_plugins)
   - [k3s_server_bind_ip](#k3s_server_bind_ip)
   - [k3s_server_cloud_controller_enabled](#k3s_server_cloud_controller_enabled)
+  - [k3s_server_cluster_cidr](#k3s_server_cluster_cidr)
+  - [k3s_server_cluster_dns](#k3s_server_cluster_dns)
+  - [k3s_server_cluster_domain](#k3s_server_cluster_domain)
   - [k3s_server_components_disabled](#k3s_server_components_disabled)
   - [k3s_server_feature_gates](#k3s_server_feature_gates)
   - [k3s_server_flannel_backend_enabled](#k3s_server_flannel_backend_enabled)
@@ -38,6 +41,8 @@ Setup K3s cluster nodes.
   - [k3s_server_nodes](#k3s_server_nodes)
   - [k3s_server_resource_creations](#k3s_server_resource_creations)
   - [k3s_server_resource_patches](#k3s_server_resource_patches)
+  - [k3s_server_service_cidr](#k3s_server_service_cidr)
+  - [k3s_server_service_node_port_range](#k3s_server_service_node_port_range)
   - [k3s_server_workload_enabled](#k3s_server_workload_enabled)
   - [k3s_token](#k3s_token)
   - [k3s_version](#k3s_version)
@@ -193,6 +198,30 @@ k3s_server_bind_ip: 0.0.0.0
 k3s_server_cloud_controller_enabled: true
 ```
 
+### k3s_server_cluster_cidr
+
+#### Default value
+
+```YAML
+k3s_server_cluster_cidr: 10.42.0.0/16
+```
+
+### k3s_server_cluster_dns
+
+#### Default value
+
+```YAML
+k3s_server_cluster_dns: 10.43.0.10
+```
+
+### k3s_server_cluster_domain
+
+#### Default value
+
+```YAML
+k3s_server_cluster_domain: cluster.local
+```
+
 ### k3s_server_components_disabled
 
 #### Default value
@@ -275,6 +304,22 @@ k3s_server_resource_creations: []
 k3s_server_resource_patches: []
 ```
 
+### k3s_server_service_cidr
+
+#### Default value
+
+```YAML
+k3s_server_service_cidr: 10.43.0.0/16
+```
+
+### k3s_server_service_node_port_range
+
+#### Default value
+
+```YAML
+k3s_server_service_node_port_range: 30000-32767
+```
+
 ### k3s_server_workload_enabled
 
 #### Default value