fix: marshal empty public IPs (#89)

* feat: k8s node pool public ips supported

* fix: required false comment added

* fix: docs updated with the PublicIps KubernetesNodePoolProperties member

* fix: k8s unit test updated with publicIps, gofmt

* fix: docs updated - using PublicIPs instead of PublicIps

* fix: considering a missing publicIps field for being able to issue a PUT request

* fix: docs updated

* fix: useless pointer removed

* fix: redefining PublicIPs as pointer to allow omitempty to include empty arrays but exclude missing fields

* fix: checking for nil

Co-authored-by: Florin Mihalache <florin.mihalache@ionos.com>
Co-authored-by: Alex <1201551+pennycoders@users.noreply.github.com>

README.md

@@ -2300,7 +2300,7 @@ GetResourceByType(resourcetype, resourceId)
 | AutoScaling       |    no    | [\*AutoScaling](#AutoScaling-resource-object)                         | Whether this Node Pool should autoscale. Comprised of a minimum and a maximum number of nodes                  |
 | LANs              |  **no**  | \*\[\][KubernetesNodePoolLAN](#KubernetesNodePoolLAN-Resource-Object) | A list of Local Area Networks the nodes in the pool should be a part of                                        |
 | MaintenanceWindow |  **no**  | [MaintenanceWindow](#MaintenanceWindow-resource-object)               | An optional object with 2 keys: dayOfTheWeek and time.                                                         |
-| PublicIPs |  **no**  | \[\]string               | An optional array of strings with public IPs associated with the node pool.                                                         |
+| PublicIPs         |  **no**  | \*\[\]string                                                          | An optional array of strings with public IPs associated with the node pool.                                    |
 
 ### Create Cluster
 

k8s.go

@@ -261,7 +261,7 @@ type KubernetesNodePoolProperties struct {
 
 	// Public Ips
 	// Required: false
-	PublicIPs []string `json:"publicIps,omitempty"`
+	PublicIPs *[]string `json:"publicIps,omitempty"`
 }
 
 type KubernetesNodePools struct {

k8s_test.go

@@ -97,7 +97,10 @@ func (s *SuiteKubernetesCluster) Test_GetKubernetesNodepool() {
 	s.NotEmpty(np.Properties.StorageType)
 	s.NotEmpty(np.Properties.AutoScaling)
 	s.NotEmpty(np.Properties.MaintenanceWindow)
-	s.Len(np.Properties.PublicIPs, 3)
+	if s.NotNil(np.Properties.PublicIPs) {
+		s.Len(*np.Properties.PublicIPs, 3)
+	}
+
 }
 
 func (s *SuiteKubernetesCluster) Test_ListKubernetesNodes() {