Added support for gradual rollout

Signed-off-by: Patryk Strusiewicz-Surmacki <[email protected]>

Makefile

@@ -3,6 +3,8 @@
 IMG ?= ghcr.io/telekom/das-schiff-network-operator:latest
 # Sidecar image URL to use all building/pushing image targets
 SIDECAR_IMG ?= ghcr.io/telekom/frr-exporter:latest
+# Sidecar image URL to use all building/pushing image targets
+CONFIGURATOR_IMG ?= ghcr.io/telekom/configurator:latest
 # ENVTEST_K8S_VERSION refers to the version of kubebuilder assets to be downloaded by envtest binary.
 ENVTEST_K8S_VERSION = 1.25
 
@@ -87,6 +89,10 @@ docker-build: test ## Build docker image with the manager.
 docker-build-sidecar: test ## Build docker image with the manager.
 	docker build -t ${SIDECAR_IMG} -f frr-exporter.Dockerfile .
 
+.PHONY: docker-build-configurator
+docker-build-configurator: test ## Build docker image with the manager.
+	docker build -t ${CONFIGURATOR_IMG} -f configurator.Dockerfile .
+
 .PHONY: docker-push
 docker-push: ## Push docker image with the manager.
 	docker push ${IMG}
@@ -95,6 +101,9 @@ docker-push: ## Push docker image with the manager.
 docker-push-sidecar: ## Push docker image with the manager.
 	docker push ${SIDECAR_IMG}
 
+.PHONY: docker-push-configurator
+docker-push-configurator: ## Push docker image with the manager.
+	docker push ${CONFIGURATOR_IMG}
 
 ##@ Release
 
@@ -135,6 +144,7 @@ uninstall-certs: manifests kustomize ## Uninstall certs
 deploy: manifests kustomize ## Deploy controller to the K8s cluster specified in ~/.kube/config.
 	cd config/manager && $(KUSTOMIZE) edit set image controller=${IMG}
 	cd config/manager && $(KUSTOMIZE) edit set image frr-exporter=${SIDECAR_IMG}
+	cd config/configurator && $(KUSTOMIZE) edit set image configurator=${CONFIGURATOR_IMG}
 	$(KUSTOMIZE) build config/default | kubectl apply -f -
 
 .PHONY: undeploy

api/v1alpha1/nodeconfig_types.go

@@ -0,0 +1,92 @@
+/*
+Copyright 2024.
+
+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
+
+import (
+	"reflect"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// NodeConfigSpec defines the desired state of NodeConfig.
+type NodeConfigSpec struct {
+	Layer2       []Layer2NetworkConfigurationSpec `json:"layer2"`
+	Vrf          []VRFRouteConfigurationSpec      `json:"vrf"`
+	RoutingTable []RoutingTableSpec               `json:"routingTable"`
+}
+
+// NodeConfigStatus defines the observed state of NodeConfig.
+type NodeConfigStatus struct {
+	ConfigStatus string `json:"configStatus"`
+}
+
+//+kubebuilder:object:root=true
+//+kubebuilder:subresource:status
+//+kubebuilder:resource:shortName=nc,scope=Cluster
+//+kubebuilder:printcolumn:name="Status",type=string,JSONPath=`.status.configStatus`
+
+// NodeConfig is the Schema for the node configuration.
+type NodeConfig struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec   NodeConfigSpec   `json:"spec,omitempty"`
+	Status NodeConfigStatus `json:"status,omitempty"`
+}
+
+//+kubebuilder:object:root=true
+
+// NodeConfigList contains a list of NodeConfig.
+type NodeConfigList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+	Items           []NodeConfig `json:"items"`
+}
+
+func (nc *NodeConfig) IsEqual(c *NodeConfig) bool {
+	return reflect.DeepEqual(nc.Spec.Layer2, c.Spec.Layer2) && reflect.DeepEqual(nc.Spec.Vrf, c.Spec.Vrf) && reflect.DeepEqual(nc.Spec.RoutingTable, c.Spec.RoutingTable)
+}
+
+func NewEmptyConfig(name string) *NodeConfig {
+	return &NodeConfig{
+		ObjectMeta: metav1.ObjectMeta{Name: name},
+		Spec: NodeConfigSpec{
+			Vrf:          []VRFRouteConfigurationSpec{},
+			Layer2:       []Layer2NetworkConfigurationSpec{},
+			RoutingTable: []RoutingTableSpec{},
+		},
+		Status: NodeConfigStatus{
+			ConfigStatus: "",
+		},
+	}
+}
+
+func CopyNodeConfig(src, dst *NodeConfig, name string) {
+	dst.Spec.Layer2 = make([]Layer2NetworkConfigurationSpec, len(src.Spec.Layer2))
+	dst.Spec.Vrf = make([]VRFRouteConfigurationSpec, len(src.Spec.Vrf))
+	dst.Spec.RoutingTable = make([]RoutingTableSpec, len(src.Spec.RoutingTable))
+	copy(dst.Spec.Layer2, src.Spec.Layer2)
+	copy(dst.Spec.Vrf, src.Spec.Vrf)
+	copy(dst.Spec.RoutingTable, src.Spec.RoutingTable)
+	dst.OwnerReferences = make([]metav1.OwnerReference, len(src.OwnerReferences))
+	copy(dst.OwnerReferences, src.OwnerReferences)
+	dst.Name = name
+}
+
+func init() {
+	SchemeBuilder.Register(&NodeConfig{}, &NodeConfigList{})
+}