Put API Ip in file to be used later

Pass base_URL as parameter to robotframework

tests/API-dhcp/Jenkinsfile

@@ -45,20 +45,26 @@ pipeline {
                     sh '''
                         set -e 
                         new_ip=$(vagrant ssh -c "hostname -I" | tr -d '\r\n' | sed 's/^[^0-9]*//' | sed 's/[[:space:]]*$//')
+                        echo $new_ip > ip.txt
                         echo "$QINDEL_PASS" | sudo -S bash -c "echo '$new_ip api-test' >> /etc/hosts"
                         echo "IP: $new_ip"
                         curl -X 'GET' "http://$new_ip/ogdhcp/v1/subnets" -H 'accept: /'
                     '''
+                    script {
+                        new_ip = readFile('ip.txt').trim()
+                    }
                 }
             }
         }
         stage('Run API tests') {
             steps {
                 dir ('tests/API-dhcp') {
+
                     echo 'Running API tests'
+
                     sh '''
-                        source robotframework/bin/activate
-                        robot -d results/ robot/
+                        . robotframework/bin/activate
+                        robot --variable BASE_URL:http://${new_ip}/ogdhcp/v1 -d results/ robot/
                     '''
                 }
                 // Aquí incluirías los comandos para ejecutar tus pruebas