I am a proficient Python developer with extensive experience in Elasticsearch and SSL client connections on remote nodes. I have successfully enhanced and improved scripts for Elasticsearch in the past, focusing on error handling and adding new functionalities.
I understand the urgency of your task, and my commitment to swift and efficient execution aligns with your requirements. The three specified requirements, including connecting to the Kibana node, upgrading Elasticsearch and Kibana versions, and executing custom commands on remote nodes, are well within my expertise.
I have a solid track record of implementing similar enhancements promptly, ensuring seamless operations during upgrades. My ability to handle error scenarios and execute custom commands on remote nodes makes me well-suited for this project.
Let's discuss the specific details of your requirements and how I can contribute to the success of your Elasticsearch upgrade. Feel free to provide additional information or ask any questions you may have.