Replace WGET logic with CURL logic (konpyutaika#342)

* Replace WGET logic with CURL logic

* Update CHANGELOG

CHANGELOG.md

@@ -5,6 +5,7 @@
 ### Changed
 
 - [PR #340](https://github.com/konpyutaika/nifikop/pull/340) - **[Operator/NifiDataflow]** Updated the logic to stop the entire dataflow instead of just the processors when the parameter context reference is updated.
+- [PR #342](https://github.com/konpyutaika/nifikop/pull/342) - **[Operator/NifiCluster]** Updated the logic to retrieve theIP address from hostname with `curl` instead of `wget`.
 
 ### Fixed Bugs
 

pkg/resources/nifi/pod.go

@@ -508,7 +508,7 @@ do
 	echo "Found: $ipResolved, expecting: $POD_IP"
     sleep 5
 
-	ipResolved=$(wget --tries=1 -T 1 -O /dev/null %s  2>&1 | sed -n 3p| awk '{split($0,a,"|"); print a[2] }')
+	ipResolved=$(curl -v -4 -m 1 --connect-timeout 1 %s 2>&1 | grep -o 'Trying [0-9.]*' | awk '{print $2}' | head -n 1)
 	echo "Found : $ipResolved"
     if [[ "$ipResolved" == "$POD_IP" ]]; then
 		echo Ip match for $POD_IP