Basic code for main and controller.

Basic code for main and controller.

Change-Id: Ieaedd22a505b95ed3e94fd3e369f7d6a026895a7
Signed-off-by: naman.gupta <naman.gupta@samsung.com>

diff --git a/depRicKubernetesOperator/cmd/main.go b/depRicKubernetesOperator/cmd/main.go
index 06ab7d0..89a199c 100644 (file)
--- a/depRicKubernetesOperator/cmd/main.go
+++ b/depRicKubernetesOperator/cmd/main.go
@@ -1 +1,121 @@
+/*
+==================================================================================
+
+       Copyright (c) 2023 Samsung
+
+        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.
+
+        This source code is part of the near-RT RIC (RAN Intelligent Controller)
+        platform project (RICP).
+
+==================================================================================
+*/
 package main
+
+import (
+       "flag"
+       "os"
+
+       // Import all Kubernetes client auth plugins (e.g. Azure, GCP, OIDC, etc.)
+       // to ensure that exec-entrypoint and run can make use of them.
+       _ "k8s.io/client-go/plugin/pkg/client/auth"
+
+       "k8s.io/apimachinery/pkg/runtime"
+       utilruntime "k8s.io/apimachinery/pkg/util/runtime"
+       clientgoscheme "k8s.io/client-go/kubernetes/scheme"
+       ctrl "sigs.k8s.io/controller-runtime"
+       "sigs.k8s.io/controller-runtime/pkg/healthz"
+       "sigs.k8s.io/controller-runtime/pkg/log/zap"
+
+       ricdeployv1 "ricdeploy/api/v1"
+       "ricdeploy/internal/controller"
+       //+kubebuilder:scaffold:imports
+)
+
+var (
+       scheme   = runtime.NewScheme()
+       setupLog = ctrl.Log.WithName("setup")
+)
+
+func init() {
+       utilruntime.Must(clientgoscheme.AddToScheme(scheme))
+
+       utilruntime.Must(ricdeployv1.AddToScheme(scheme))
+       //+kubebuilder:scaffold:scheme
+}
+
+func main() {
+       var metricsAddr string
+       var enableLeaderElection bool
+       var probeAddr string
+       flag.StringVar(&metricsAddr, "metrics-bind-address", ":8080", "The address the metric endpoint binds to.")
+       flag.StringVar(&probeAddr, "health-probe-bind-address", ":8081", "The address the probe endpoint binds to.")
+       flag.BoolVar(&enableLeaderElection, "leader-elect", false,
+               "Enable leader election for controller manager. "+
+                       "Enabling this will ensure there is only one active controller manager.")
+       opts := zap.Options{
+               Development: true,
+       }
+       opts.BindFlags(flag.CommandLine)
+       flag.Parse()
+
+       ctrl.SetLogger(zap.New(zap.UseFlagOptions(&opts)))
+
+       mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
+               Scheme:                 scheme,
+               MetricsBindAddress:     metricsAddr,
+               Port:                   9443,
+               HealthProbeBindAddress: probeAddr,
+               LeaderElection:         enableLeaderElection,
+               LeaderElectionID:       "309efb2e.ricplt.com",
+               // LeaderElectionReleaseOnCancel defines if the leader should step down voluntarily
+               // when the Manager ends. This requires the binary to immediately end when the
+               // Manager is stopped, otherwise, this setting is unsafe. Setting this significantly
+               // speeds up voluntary leader transitions as the new leader don't have to wait
+               // LeaseDuration time first.
+               //
+               // In the default scaffold provided, the program ends immediately after
+               // the manager stops, so would be fine to enable this option. However,
+               // if you are doing or is intended to do any operation such as perform cleanups
+               // after the manager stops then its usage might be unsafe.
+               // LeaderElectionReleaseOnCancel: true,
+       })
+       if err != nil {
+               setupLog.Error(err, "unable to start manager")
+               os.Exit(1)
+       }
+
+       if err = (&controller.RicPlatformReconciler{
+               Client: mgr.GetClient(),
+               Scheme: mgr.GetScheme(),
+       }).SetupWithManager(mgr); err != nil {
+               setupLog.Error(err, "unable to create controller", "controller", "RicPlatform")
+               os.Exit(1)
+       }
+       //+kubebuilder:scaffold:builder
+
+       if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil {
+               setupLog.Error(err, "unable to set up health check")
+               os.Exit(1)
+       }
+       if err := mgr.AddReadyzCheck("readyz", healthz.Ping); err != nil {
+               setupLog.Error(err, "unable to set up ready check")
+               os.Exit(1)
+       }
+
+       setupLog.Info("starting manager")
+       if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil {
+               setupLog.Error(err, "problem running manager")
+               os.Exit(1)
+       }
+}

diff --git a/depRicKubernetesOperator/internal/controller/ricplatform_controller.go b/depRicKubernetesOperator/internal/controller/ricplatform_controller.go
new file mode 100644 (file)
index 0000000..21bcc6d
--- /dev/null
+++ b/depRicKubernetesOperator/internal/controller/ricplatform_controller.go
@@ -0,0 +1,65 @@
+/*
+==================================================================================
+
+       Copyright (c) 2023 Samsung
+
+        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.
+
+        This source code is part of the near-RT RIC (RAN Intelligent Controller)
+        platform project (RICP).
+
+==================================================================================
+*/
+package controller
+
+import (
+       "context"
+
+       "k8s.io/apimachinery/pkg/runtime"
+       ctrl "sigs.k8s.io/controller-runtime"
+       "sigs.k8s.io/controller-runtime/pkg/client"
+
+       ricdeployv1 "ricdeploy/api/v1"
+)
+
+// RicPlatformReconciler reconciles a RicPlatform object
+type RicPlatformReconciler struct {
+       client.Client
+       Scheme *runtime.Scheme
+}
+
+//+kubebuilder:rbac:groups=ricdeploy.ricplt.com,resources=ricplatforms,verbs=get;list;watch;create;update;patch;delete
+//+kubebuilder:rbac:groups=ricdeploy.ricplt.com,resources=ricplatforms/status,verbs=get;update;patch
+//+kubebuilder:rbac:groups=ricdeploy.ricplt.com,resources=ricplatforms/finalizers,verbs=update
+
+// Reconcile is part of the main kubernetes reconciliation loop which aims to
+// move the current state of the cluster closer to the desired state.
+// TODO(user): Modify the Reconcile function to compare the state specified by
+// the RicPlatform object against the actual cluster state, and then
+// perform operations to make the cluster state reflect the state specified by
+// the user.
+//
+// For more details, check Reconcile and its Result here:
+// - https://pkg.go.dev/sigs.k8s.io/controller-runtime@v0.15.0/pkg/reconcile
+func (r *RicPlatformReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
+
+       // TODO(user): your logic here
+       return ctrl.Result{}, nil
+}
+
+// SetupWithManager sets up the controller with the Manager.
+func (r *RicPlatformReconciler) SetupWithManager(mgr ctrl.Manager) error {
+       return ctrl.NewControllerManagedBy(mgr).
+               For(&ricdeployv1.RicPlatform{}).
+               Complete(r)
+}