add current_kubernetes_version to data source (#22986)

internal/services/containers/kubernetes_cluster_data_source.go

@@ -9,6 +9,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/hashicorp/go-azure-helpers/lang/pointer"
 	"github.com/hashicorp/go-azure-helpers/lang/response"
 	"github.com/hashicorp/go-azure-helpers/resourcemanager/commonids"
 	"github.com/hashicorp/go-azure-helpers/resourcemanager/commonschema"
@@ -202,6 +203,11 @@ func dataSourceKubernetesCluster() *pluginsdk.Resource {
 				Computed: true,
 			},
 
+			"current_kubernetes_version": {
+				Type:     pluginsdk.TypeString,
+				Computed: true,
+			},
+
 			"dns_prefix": {
 				Type:     pluginsdk.TypeString,
 				Computed: true,
@@ -738,11 +744,12 @@ func dataSourceKubernetesClusterRead(d *pluginsdk.ResourceData, meta interface{}
 		d.Set("location", location.Normalize(model.Location))
 
 		if props := model.Properties; props != nil {
-			d.Set("dns_prefix", props.DnsPrefix)
-			d.Set("fqdn", props.Fqdn)
-			d.Set("disk_encryption_set_id", props.DiskEncryptionSetID)
-			d.Set("private_fqdn", props.PrivateFQDN)
-			d.Set("kubernetes_version", props.KubernetesVersion)
+			d.Set("dns_prefix", pointer.From(props.DnsPrefix))
+			d.Set("fqdn", pointer.From(props.Fqdn))
+			d.Set("disk_encryption_set_id", pointer.From(props.DiskEncryptionSetID))
+			d.Set("private_fqdn", pointer.From(props.PrivateFQDN))
+			d.Set("kubernetes_version", pointer.From(props.KubernetesVersion))
+			d.Set("current_kubernetes_version", pointer.From(props.CurrentKubernetesVersion))
 
 			nodeResourceGroup := ""
 			if v := props.NodeResourceGroup; v != nil {

website/docs/d/kubernetes_cluster.html.markdown

@@ -46,6 +46,8 @@ The following attributes are exported:
 
 * `agent_pool_profile` - An `agent_pool_profile` block as documented below.
 
+* `current_kubernetes_version` - Contains the current version of Kubernetes running on the Cluster.
+
 * `dns_prefix` - The DNS Prefix of the managed Kubernetes cluster.
 
 * `fqdn` - The FQDN of the Azure Kubernetes Managed Cluster.