What is alpine principal?

An alpine principal is a security feature in Apache Ranger, an open-source security framework for Hadoop. It provides authorization and access control solutions for big data in Hadoop clusters. Alpine principal is a type of security principal that is used to authenticate and authorize requests from different users and services. It is a unique identifier that represents a user or service and its privileges. The alpine principal can be created and managed by the administrator of the Hadoop cluster, and it allows the users and services to access the data and resources that they need to perform their tasks, while ensuring their security and privacy. The use of alpine principal in Apache Ranger provides a comprehensive security solution for big data environments by enabling privileged access management, centralized policy enforcement, and auditing capabilities.