diff --git a/pkg/config/api/config.go b/pkg/config/api/config.go
new file mode 100644
index 0000000000..3aa274d90e
--- /dev/null
+++ b/pkg/config/api/config.go
@@ -0,0 +1,46 @@
+package api
+
+type Config struct {
+	Components Components `json:components`
+}
+
+type Components struct {
+	Network Network `json:network`
+	DNS     DNS     `json:dns`
+}
+
+type Network struct {
+	// IP address pool to use for pod IPs.
+	// This field is immutable after installation.
+	ClusterNetwork []ClusterNetworkEntry `json:"clusterNetwork"`
+
+	// IP address pool for services.
+	// Currently, we only support a single entry here.
+	// This field is immutable after installation.
+	ServiceNetwork []string `json:"serviceNetwork"`
+
+	// The port range allowed for Services of type NodePort.
+	// If not specified, the default of 30000-32767 will be used.
+	// Such Services without a NodePort specified will have one
+	// automatically allocated from this range.
+	// This parameter can be updated after the cluster is
+	// installed.
+	// +kubebuilder:validation:Pattern=`^([0-9]{1,4}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5])-([0-9]{1,4}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5])$`
+	ServiceNodePortRange string `json:"serviceNodePortRange,omitempty"`
+}
+
+type ClusterNetworkEntry struct {
+	// The complete block for pod IPs.
+	CIDR string `json:"cidr"`
+}
+
+type DNS struct {
+	// baseDomain is the base domain of the cluster. All managed DNS records will
+	// be sub-domains of this base.
+	//
+	// For example, given the base domain `openshift.example.com`, an API server
+	// DNS record may be created for `cluster-api.openshift.example.com`.
+	//
+	// Once set, this field cannot be changed.
+	BaseDomain string `json:"baseDomain"`
+}
diff --git a/pkg/config/config.go b/pkg/config/config.go
index 72fc26da65..c3788a250a 100644
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -37,37 +37,37 @@ var (
 )
 
 type ClusterConfig struct {
-	URL string `json:"url"`
-
-	ClusterCIDR          string `json:"clusterCIDR"`
-	ServiceCIDR          string `json:"serviceCIDR"`
-	ServiceNodePortRange string `json:"serviceNodePortRange"`
-	DNS                  string `json:"dns"`
-	Domain               string `json:"domain"`
-	MTU                  string `json:"mtu"`
+	// URL string `json:"url"`
+
+	// ClusterCIDR          string `json:"clusterCIDR"`
+	// ServiceCIDR          string `json:"serviceCIDR"`
+	// ServiceNodePortRange string `json:"serviceNodePortRange"`
+	// DNS string `json:"dns"`
+	// Domain               string `json:"domain"`
+	// MTU string `json:"mtu"`
 }
 
 type DebugConfig struct {
-	Pprof bool `json:"pprof"`
+	// Pprof bool `json:"pprof"`
 }
 
 type MicroshiftConfig struct {
-	ConfigFile string `json:"configFile"`
-	DataDir    string `json:"dataDir"`
-
-	AuditLogDir string `json:"auditLogDir"`
-	LogVLevel   int    `json:"logVLevel"`
-
-	Roles []string `json:"roles"`
-
-	NodeName string `json:"nodeName"`
-	NodeIP   string `json:"nodeIP"`
-
-	Cluster ClusterConfig `json:"cluster"`
-
-	Manifests []string `json:"manifests"`
-
-	Debug DebugConfig `json:"debug"`
+	// ConfigFile string `json:"configFile"`
+	// DataDir    string `json:"dataDir"`
+	//
+	// AuditLogDir string `json:"auditLogDir"`
+	// LogVLevel   int    `json:"logVLevel"`
+	//
+	// Roles []string `json:"roles"`
+	//
+	// NodeName string `json:"nodeName"`
+	// NodeIP   string `json:"nodeIP"`
+	//
+	// Cluster ClusterConfig `json:"cluster"`
+	//
+	// Manifests []string `json:"manifests"`
+	//
+	// Debug DebugConfig `json:"debug"`
 }
 
 // KubeConfigID identifies the different kubeconfigs managed in the DataDir