Add resources configuration to restore container

A new config is added to control the restore container. Default values
are set for the new init container. It can be changed by user in the
config. The config uses same logic as the project clone container
config.

Signed-off-by: Ales Raszka <araszka@redhat.com>

Author: Allda

apis/controller/v1alpha1/devworkspaceoperatorconfig_types.go

@@ -144,6 +144,9 @@ type WorkspaceConfig struct {
 	// ProjectCloneConfig defines configuration related to the project clone init container
 	// that is used to clone git projects into the DevWorkspace.
 	ProjectCloneConfig *ProjectCloneConfig `json:"projectClone,omitempty"`
+	// RestoreConfig defines configuration related to the workspace restore init container
+	// that is used to restore workspace data from a backup image.
+	RestoreConfig *RestoreConfig `json:"restore,omitempty"`
 	// ImagePullPolicy defines the imagePullPolicy used for containers in a DevWorkspace
 	// For additional information, see Kubernetes documentation for imagePullPolicy. If
 	// not specified, the default value of "Always" is used.
@@ -376,6 +379,16 @@ type ProjectCloneConfig struct {
 	Env []corev1.EnvVar `json:"env,omitempty"`
 }
 
+type RestoreConfig struct {
+	ImagePullPolicy corev1.PullPolicy `json:"imagePullPolicy,omitempty"`
+	// Resources defines the resource (cpu, memory) limits and requests for the restore
+	// container. To explicitly not specify a limit or request, define the resource
+	// quantity as zero ('0')
+	Resources *corev1.ResourceRequirements `json:"resources,omitempty"`
+	// Env allows defining additional environment variables for the restore container.
+	Env []corev1.EnvVar `json:"env,omitempty"`
+}
+
 type ConfigmapReference struct {
 	// Name is the name of the configmap
 	Name string `json:"name"`

apis/controller/v1alpha1/zz_generated.deepcopy.go

@@ -357,7 +357,8 @@ func (r *DevWorkspaceReconciler) Reconcile(ctx context.Context, req ctrl.Request
 	if restore.IsWorkspaceRestoreRequested(&workspace.Spec.Template) {
 		// Add init container to restore workspace from backup if requested
 		restoreOptions := restore.Options{
-			Env: env.GetEnvironmentVariablesForProjectRestore(workspace),
+			Env:       env.GetEnvironmentVariablesForProjectRestore(workspace),
+			Resources: workspace.Config.Workspace.RestoreConfig.Resources,
 		}
 		if config.Workspace.ImagePullPolicy != "" {
 			restoreOptions.PullPolicy = corev1.PullPolicy(config.Workspace.ImagePullPolicy)