add purge_venv to jenkinsfile for disk api

jenkins/Jenkinsfile.disk_service

@@ -6,6 +6,8 @@ pipeline {
         string(name: 'host_ip', description: 'Target System Address')
         string(name: 'api_service_port', defaultValue: "5000", description: 'API Service Port, probably don\'t change this')
         booleanParam(name: 'refresh_api', defaultValue: false, description: 'When checked this will just update the API')
+        booleanParam(name: 'purge_venv', defaultValue: false, description: 'When checked this will remove the venv folder')
+        
         // reference for later
         // choice(name: 'DEPLOY_ENV', choices: ['dev', 'staging', 'prod'], description: 'Environment to deploy to')
         // booleanParam(name: 'rename_host', defaultValue: true, description: 'When checked hostname will be renamed')
@@ -55,7 +57,7 @@ pipeline {
 
                 ansible-playbook -i \$inventory_file \$playbook_file \
                     --ssh-common-args='-o StrictHostKeyChecking=no'  \
-                    --extra-vars "api_service_port=${params.api_service_port} refresh_api=${params.refresh_api}" 
+                    --extra-vars "api_service_port=${params.api_service_port} refresh_api=${params.refresh_api} purge_venv=${params.purge_venv}" 
                 """
             }
         }