Find available port

Signed-off-by: Guian Gumpac <[email protected]>

.github/workflows/java-cd.yml

@@ -249,17 +249,20 @@ jobs:
                   version: "26.1"
                   repo-token: ${{ secrets.GITHUB_TOKEN }}
 
-            - name: Find avalailable port for linux
-              os: ${{ matrix.host.OS == 'ubuntu'}}
+            - name: Find available port
               id: port
               run: |
-                  apt install net-tools
-                  while
-                    port=$(shuf -n 1 -i 40000-65000)
-                    netstat -atun | grep -q "$port"
-                  do
-                    continue
-                  done
+                  if ${{ matrix.host.OS == 'ubuntu'}}; then
+                      apt install net-tools
+                      while
+                        port=$(shuf -n 1 -i 40000-65000)
+                        netstat -atun | grep -q "$port"
+                      do
+                        continue
+                      done
+                  else
+                    comm -23 <(seq 49152 65535 | sort) <(awk '{print $4}' | cut -d':' -f2 | sort -u) | shuf | head -n 1 >> $port
+                  fi
 
                   echo "PORT=$port" >> $GITHUB_OUTPUT