[SPARK-45485] [CONNECT][SCALA] Update user agent to recognize SPARK_CONNECT_USER_AGENT and include environment specific attributes

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.5.0, 4.0.0
• Fix Version/s: 4.0.0
• Component/s: Connect
• Labels: pull-request-available
• Assignee: Alice Sayutina
• Reporter: Alice Sayutina
• Created: 10/Oct/23 15:15
• Updated: 17/Oct/23 10:32
• Resolved: 17/Oct/23 10:32

Description

Similar to the Python client, the Scala client should:

1. Recognize SPARK_CONNECT_USER_AGENT env variable
2. Always include the OS, Java version, Scala version, and Spark version

Issue Links

• links to: GitHub Pull Request #43313