[IGNITE-8081] Document Kubernetes RBAC configuration to avoid 403 exception

• Type: New Feature
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 2.7
• Component/s: documentation
• Assignee: Denis A. Magda
• Reporter: Denis A. Magda
• Created: 29/Mar/18 23:48
• Updated: 11/Jul/18 21:13
• Resolved: 11/Jul/18 21:13

Description

It's reported by the users that sometimes Ignite Kubernetes IP finder fails to join the cluster due to security issues. To prevent the exception happening we need to document how to set up a Service Account for Ignite pods:
https://stackoverflow.com/questions/49395481/how-to-setmasterurl-in-ignite-xml-config-for-kubernetes-ipfinder/49405879#49405879