[release-0.64] capture: Get currentState from cli (#1000)

Calculating the captured state with the NNS is problematic since there
are some latencies between nmstatectl set and NNS being updated, so it
could happend that next NNCP is calculated with inaccurate network
configuration. This change read the currentState from nmstatectl to get
accurate data.

Cherry picked from (#998)

Signed-off-by: Quique Llorente <[email protected]>

Author: qinqon

controllers/handler/nodenetworkconfigurationpolicy_controller.go

@@ -52,6 +52,7 @@ import (
 	"github.com/nmstate/kubernetes-nmstate/pkg/environment"
 	nmstate "github.com/nmstate/kubernetes-nmstate/pkg/helper"
 	"github.com/nmstate/kubernetes-nmstate/pkg/nmpolicy"
+	"github.com/nmstate/kubernetes-nmstate/pkg/nmstatectl"
 	"github.com/nmstate/kubernetes-nmstate/pkg/node"
 	"github.com/nmstate/kubernetes-nmstate/pkg/policyconditions"
 	"github.com/nmstate/kubernetes-nmstate/pkg/probe"
@@ -90,6 +91,7 @@ var (
 			return false
 		},
 	}
+	nmstatectlShowFn = nmstatectl.Show
 )
 
 // NodeNetworkConfigurationPolicyReconciler reconciles a NodeNetworkConfigurationPolicy object
@@ -165,12 +167,7 @@ func (r *NodeNetworkConfigurationPolicyReconciler) Reconcile(ctx context.Context
 
 	enactmentConditions := enactmentconditions.New(r.APIClient, nmstateapi.EnactmentKey(nodeName, instance.Name))
 
-	nns, err := r.readNNS(nodeName)
-	if err != nil {
-		return ctrl.Result{}, err
-	}
-
-	err = r.fillInEnactmentStatus(nns, *instance, *enactmentInstance, enactmentConditions)
+	err = r.fillInEnactmentStatus(*instance, *enactmentInstance, enactmentConditions)
 	if err != nil {
 		log.Error(err, "failed filling in the NNCE status")
 		if apierrors.IsNotFound(err) {
@@ -308,11 +305,15 @@ func (r *NodeNetworkConfigurationPolicyReconciler) initializeEnactment(policy nm
 	return &enactment, nil
 }
 
-func (r *NodeNetworkConfigurationPolicyReconciler) fillInEnactmentStatus(nns *nmstatev1beta1.NodeNetworkState,
+func (r *NodeNetworkConfigurationPolicyReconciler) fillInEnactmentStatus(
 	policy nmstatev1.NodeNetworkConfigurationPolicy,
 	enactment nmstatev1beta1.NodeNetworkConfigurationEnactment,
 	enactmentConditions enactmentconditions.EnactmentConditions) error {
-	capturedStates, desiredStateMetaInfo, generatedDesiredState, err := nmpolicy.GenerateState(policy.Spec.DesiredState, policy.Spec, nns.Status.CurrentState, enactment.Status.CapturedStates)
+	currentState, err := nmstatectlShowFn()
+	if err != nil {
+		return err
+	}
+	capturedStates, desiredStateMetaInfo, generatedDesiredState, err := nmpolicy.GenerateState(policy.Spec.DesiredState, policy.Spec, nmstateapi.NewState(currentState), enactment.Status.CapturedStates)
 	if err != nil {
 		err2 := enactmentstatus.Update(r.APIClient, nmstateapi.EnactmentKey(nodeName, policy.Name), func(status *nmstateapi.NodeNetworkConfigurationEnactmentStatus) {
 			status.PolicyGeneration = policy.Generation

controllers/handler/nodenetworkconfigurationpolicy_controller_test.go

@@ -96,6 +96,7 @@ var _ = Describe("NodeNetworkConfigurationPolicy controller predicates", func()
 	}
 	DescribeTable("when claimNodeRunningUpdate is called and",
 		func(c incrementUnavailableNodeCountCase) {
+			nmstatectlShowFn = func() (string, error) { return "", nil }
 			reconciler := NodeNetworkConfigurationPolicyReconciler{}
 			s := scheme.Scheme
 			s.AddKnownTypes(nmstatev1beta1.GroupVersion,