AM-13007: api update for no-network overlay deployment mode (#32)

* AM-13007: api update for no-network overlay deployment mode

---------

Signed-off-by: Mridul Gain <mridulgain@gmail.com>

pkg/controller/v1alpha1/cluster_types.go

@@ -125,6 +125,9 @@ type ClusterStatus struct {
 	RegistrationStatus RegistrationStatus `json:"registrationStatus,omitempty"`
 	// IsDeregisterInProgress is the flag to check if the cluster deregister is InProgress
 	IsDeregisterInProgress bool `json:"isDeregisterInProgress,omitempty"`
+	// NetworkPresent denotes if the networking components (NSM, Spire) are installed on a cluster
+	//+kubebuilder:default:=false
+	NetworkPresent bool `json:"networkPresent,omitempty"`
 
 	// VCPURestriction is the restriction on the cluster disabling the creation of new pods
 	VCPURestriction *VCPURestriction `json:"vCPURestriction,omitempty"`

pkg/controller/v1alpha1/sliceconfig_types.go

@@ -23,16 +23,29 @@ import (
 // EDIT THIS FILE!  THIS IS SCAFFOLDING FOR YOU TO OWN!
 // NOTE: json tags are required.  Any new fields you add must have json tags for the fields to be serialized.
 
+// +kubebuilder:validation:Enum:=single-network;multi-network;no-network
+type NetworkType string
+
+const (
+	// all workloads would be connected to the slice l3 overlay network
+	SINGLENET NetworkType = "single-network"
+
+	// workloads would be connected at l7 through network of envoy gateways.
+	// And the gateways would be connected through slice l3 overlay
+	MULTINET NetworkType = "multi-network"
+
+	// slice without any connectivity between clusters
+	NONET NetworkType = "no-network"
+)
+
 // SliceConfigSpec defines the desired state of SliceConfig
 type SliceConfigSpec struct {
 	//+kubebuilder:default:=single-network
-	//+kubebuilder:validation:Enum:=single-network;multi-network
-	OverlayNetworkDeploymentMode string `json:"overlayNetworkDeploymentMode,omitempty"`
-	SliceSubnet                  string `json:"sliceSubnet,omitempty"`
+	OverlayNetworkDeploymentMode NetworkType `json:"overlayNetworkDeploymentMode,omitempty"`
+	SliceSubnet                  string      `json:"sliceSubnet,omitempty"`
 	//+kubebuilder:default:=Application
-	SliceType string `json:"sliceType,omitempty"`
-	// +kubebuilder:validation:Required
-	SliceGatewayProvider WorkerSliceGatewayProvider `json:"sliceGatewayProvider"`
+	SliceType            string                      `json:"sliceType,omitempty"`
+	SliceGatewayProvider *WorkerSliceGatewayProvider `json:"sliceGatewayProvider,omitempty"`
 	//+kubebuilder:default:=Local
 	SliceIpamType          string   `json:"sliceIpamType,omitempty"`
 	Clusters               []string `json:"clusters,omitempty"`
@@ -44,7 +57,7 @@ type SliceConfigSpec struct {
 	//+kubebuilder:validation:Minimum=2
 	//+kubebuilder:validation:Maximum=32
 	//+kubebuilder:default:=16
-	MaxClusters int `json:"maxClusters,omitempty"`
+	MaxClusters int `json:"maxClusters"`
 	//+kubebuilder:validation:Minimum=30
 	//+kubebuilder:validation:Maximum=90
 	//+kubebuilder:default:=30

pkg/worker/v1alpha1/workersliceconfig_types.go

@@ -17,6 +17,7 @@
 package v1alpha1
 
 import (
+	controllerv1alpha1 "github.com/kubeslice/apis/pkg/controller/v1alpha1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )
 
@@ -47,13 +48,11 @@ type WorkerSliceConfigSpec struct {
 	QosProfileDetails         QOSProfile                `json:"qosProfileDetails,omitempty"`
 	NamespaceIsolationProfile NamespaceIsolationProfile `json:"namespaceIsolationProfile,omitempty"`
 	IpamClusterOctet          int                       `json:"ipamClusterOctet,omitempty"`
-	//+kubebuilder:validation:Required
-	Octet                 *int                  `json:"octet"`
-	ClusterSubnetCIDR     string                `json:"clusterSubnetCIDR,omitempty"`
-	ExternalGatewayConfig ExternalGatewayConfig `json:"externalGatewayConfig,omitempty"`
+	Octet                     *int                      `json:"octet,omitempty"`
+	ClusterSubnetCIDR         string                    `json:"clusterSubnetCIDR,omitempty"`
+	ExternalGatewayConfig     ExternalGatewayConfig     `json:"externalGatewayConfig,omitempty"`
 	//+kubebuilder:default:=single-network
-	//+kubebuilder:validation:Enum:=single-network;multi-network
-	OverlayNetworkDeploymentMode string `json:"overlayNetworkDeploymentMode,omitempty"`
+	OverlayNetworkDeploymentMode controllerv1alpha1.NetworkType `json:"overlayNetworkDeploymentMode,omitempty"`
 }
 
 // WorkerSliceGatewayProvider defines the configuration for slicegateway