Configuration Controller

apis/ipam/v1alpha1/ip_types.go

@@ -18,6 +18,8 @@ import (
 	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime/schema"
+
+	networkingv1alpha1 "github.com/liqotech/liqo/apis/networking/v1alpha1"
 )
 
 var (
@@ -45,7 +47,7 @@ type ServiceTemplate struct {
 // IPSpec defines a local IP.
 type IPSpec struct {
 	// IP is the local IP.
-	IP string `json:"ip"`
+	IP networkingv1alpha1.IP `json:"ip"`
 	// ServiceTemplate contains the template to create the associated service (and endpointslice) for the IP endopoint.
 	// If empty the creation of the service is disabled (default).
 	// +kubebuilder:validation:Optional
@@ -55,7 +57,7 @@ type IPSpec struct {
 // IPStatus defines remapped IPs.
 type IPStatus struct {
 	// IPMappings contains the mapping of the local IP for each remote cluster.
-	IPMappings map[string]string `json:"ipMappings,omitempty"`
+	IPMappings map[string]networkingv1alpha1.IP `json:"ipMappings,omitempty"`
 }
 
 // +kubebuilder:object:root=true

apis/ipam/v1alpha1/network_types.go

@@ -17,6 +17,8 @@ package v1alpha1
 import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime/schema"
+
+	v1alpha1networking "github.com/liqotech/liqo/apis/networking/v1alpha1"
 )
 
 var (
@@ -36,13 +38,13 @@ var (
 // NetworkSpec defines the desired state of Network.
 type NetworkSpec struct {
 	// CIDR is the desired CIDR for the remote cluster.
-	CIDR string `json:"cidr"`
+	CIDR v1alpha1networking.CIDR `json:"cidr"`
 }
 
 // NetworkStatus defines the observed state of Network.
 type NetworkStatus struct {
 	// CIDR is the remapped CIDR for the remote cluster.
-	CIDR string `json:"cidr,omitempty"`
+	CIDR v1alpha1networking.CIDR `json:"cidr,omitempty"`
 }
 
 // +kubebuilder:object:root=true

apis/networking/v1alpha1/common_types.go

@@ -0,0 +1,37 @@
+// Copyright 2019-2023 The Liqo Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package v1alpha1 contains API Schema definitions for the networking v1alpha1 API group.
+//
+//nolint:lll // ignore long lines given by Kubebuilder marker annotations.
+package v1alpha1
+
+// 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.
+
+// CIDR defines a syntax validated CIDR.
+// +kubebuilder:validation:Pattern=`^(([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])\.){3}([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])\/([0-9]|[1-2][0-9]|3[0-2])$`
+type CIDR string
+
+func (c CIDR) String() string {
+	return string(c)
+}
+
+// IP defines a syntax validated IP.
+// +kubebuilder:validation:Pattern=`^(([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])\.){3}([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])$`
+type IP string
+
+func (i IP) String() string {
+	return string(i)
+}

apis/networking/v1alpha1/configuration_types.go

@@ -34,18 +34,18 @@ var ConfigurationGroupResource = schema.GroupResource{Group: GroupVersion.Group,
 // ConfigurationGroupVersionResource is groupResourceVersion used to register these objects.
 var ConfigurationGroupVersionResource = GroupVersion.WithResource(ConfigurationResource)
 
-// CIDR defines the CIDR of the cluster.
-type CIDR struct {
+// ClusterConfigCIDR defines the CIDR of the cluster.
+type ClusterConfigCIDR struct {
 	// Pod CIDR of the cluster.
-	Pod string `json:"pod,omitempty"`
+	Pod CIDR `json:"pod,omitempty"`
 	// External CIDR of the cluster.
-	External string `json:"external,omitempty"`
+	External CIDR `json:"external,omitempty"`
 }
 
 // ClusterConfig defines the configuration of a cluster.
 type ClusterConfig struct {
 	// CIDR of the cluster.
-	CIDR CIDR `json:"cidr,omitempty"`
+	CIDR ClusterConfigCIDR `json:"cidr,omitempty"`
 }
 
 // ConfigurationSpec defines the desired state of Configuration.

cmd/liqo-controller-manager/main.go

@@ -53,12 +53,14 @@ import (
 	discoveryv1alpha1 "github.com/liqotech/liqo/apis/discovery/v1alpha1"
 	ipamv1alpha1 "github.com/liqotech/liqo/apis/ipam/v1alpha1"
 	netv1alpha1 "github.com/liqotech/liqo/apis/net/v1alpha1"
+	networkingv1alpha1 "github.com/liqotech/liqo/apis/networking/v1alpha1"
 	offloadingv1alpha1 "github.com/liqotech/liqo/apis/offloading/v1alpha1"
 	sharingv1alpha1 "github.com/liqotech/liqo/apis/sharing/v1alpha1"
 	virtualkubeletv1alpha1 "github.com/liqotech/liqo/apis/virtualkubelet/v1alpha1"
 	"github.com/liqotech/liqo/cmd/virtual-kubelet/root"
 	"github.com/liqotech/liqo/pkg/consts"
 	identitymanager "github.com/liqotech/liqo/pkg/identityManager"
+	configurationcontroller "github.com/liqotech/liqo/pkg/liqo-controller-manager/external-network/configuration-controller"
 	foreignclusteroperator "github.com/liqotech/liqo/pkg/liqo-controller-manager/foreign-cluster-operator"
 	ipctrl "github.com/liqotech/liqo/pkg/liqo-controller-manager/ip-controller"
 	mapsctrl "github.com/liqotech/liqo/pkg/liqo-controller-manager/namespacemap-controller"
@@ -107,6 +109,7 @@ func init() {
 	_ = offloadingv1alpha1.AddToScheme(scheme)
 	_ = virtualkubeletv1alpha1.AddToScheme(scheme)
 	_ = ipamv1alpha1.AddToScheme(scheme)
+	_ = networkingv1alpha1.AddToScheme(scheme)
 }
 
 func main() {
@@ -588,6 +591,11 @@ func main() {
 			klog.Errorf("Unable to start the ipReconciler", err)
 			os.Exit(1)
 		}
+		cfgr := configurationcontroller.NewConfigurationReconciler(mgr.GetClient(), mgr.GetScheme(), mgr.GetEventRecorderFor("configuration-controller"))
+		if err = cfgr.SetupWithManager(mgr); err != nil {
+			klog.Errorf("unable to create controller ConfigurationReconciler: %s", err)
+			os.Exit(1)
+		}
 	}
 
 	klog.Info("starting manager as controller manager")

deployments/liqo/charts/liqo-crds/crds/ipam.liqo.io_ips.yaml

@@ -49,6 +49,7 @@ spec:
             properties:
               ip:
                 description: IP is the local IP.
+                pattern: ^(([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])\.){3}([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])$
                 type: string
               serviceTemplate:
                 description: ServiceTemplate contains the template to create the associated
@@ -424,6 +425,8 @@ spec:
             properties:
               ipMappings:
                 additionalProperties:
+                  description: IP defines a syntax validated IP.
+                  pattern: ^(([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])\.){3}([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])$
                   type: string
                 description: IPMappings contains the mapping of the local IP for each
                   remote cluster.

deployments/liqo/charts/liqo-crds/crds/ipam.liqo.io_networks.yaml

@@ -48,6 +48,7 @@ spec:
             properties:
               cidr:
                 description: CIDR is the desired CIDR for the remote cluster.
+                pattern: ^(([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])\.){3}([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])\/([0-9]|[1-2][0-9]|3[0-2])$
                 type: string
             required:
             - cidr
@@ -57,6 +58,7 @@ spec:
             properties:
               cidr:
                 description: CIDR is the remapped CIDR for the remote cluster.
+                pattern: ^(([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])\.){3}([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])\/([0-9]|[1-2][0-9]|3[0-2])$
                 type: string
             type: object
         required:

deployments/liqo/charts/liqo-crds/crds/networking.liqo.io_configurations.yaml

@@ -47,9 +47,11 @@ spec:
                     properties:
                       external:
                         description: External CIDR of the cluster.
+                        pattern: ^(([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])\.){3}([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])\/([0-9]|[1-2][0-9]|3[0-2])$
                         type: string
                       pod:
                         description: Pod CIDR of the cluster.
+                        pattern: ^(([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])\.){3}([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])\/([0-9]|[1-2][0-9]|3[0-2])$
                         type: string
                     type: object
                 type: object
@@ -61,9 +63,11 @@ spec:
                     properties:
                       external:
                         description: External CIDR of the cluster.
+                        pattern: ^(([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])\.){3}([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])\/([0-9]|[1-2][0-9]|3[0-2])$
                         type: string
                       pod:
                         description: Pod CIDR of the cluster.
+                        pattern: ^(([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])\.){3}([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])\/([0-9]|[1-2][0-9]|3[0-2])$
                         type: string
                     type: object
                 type: object
@@ -80,9 +84,11 @@ spec:
                     properties:
                       external:
                         description: External CIDR of the cluster.
+                        pattern: ^(([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])\.){3}([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])\/([0-9]|[1-2][0-9]|3[0-2])$
                         type: string
                       pod:
                         description: Pod CIDR of the cluster.
+                        pattern: ^(([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])\.){3}([1-9]{0,1}[0-9]{0,2}|2[0-4][0-9]|25[0-5])\/([0-9]|[1-2][0-9]|3[0-2])$
                         type: string
                     type: object
                 type: object

deployments/liqo/files/liqo-controller-manager-ClusterRole.yaml

@@ -375,6 +375,26 @@ rules:
   - get
   - update
   - watch
+- apiGroups:
+  - networking.liqo.io
+  resources:
+  - configurations
+  verbs:
+  - get
+  - list
+  - patch
+  - update
+  - watch
+- apiGroups:
+  - networking.liqo.io
+  resources:
+  - configurations/status
+  verbs:
+  - get
+  - list
+  - patch
+  - update
+  - watch
 - apiGroups:
   - offloading.liqo.io
   resources: