[KUDU-2928] built-in NTP client: tests to evaluate the behavior of the client

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.11.0
• Fix Version/s: 1.12.0
• Component/s: clock, test
• Labels: clock
• Assignee: Alexey Serbin
• Reporter: Alexey Serbin
• Created: 26/Aug/19 14:54
• Updated: 20/Mar/20 01:06
• Resolved: 20/Mar/20 01:06

Description

It's necessary to implement tests covering the behavior of the built-in NTP client in various corner cases:

• A set of NTP servers which doesn't agree on time
• non-synchronized NTP server
• NTP server that loses track of its reference and becomes a false ticker
• etc.

Issue Links

• is required by: KUDU-2936 built-in NTP client: simplified implementation to work with well behaved/trusted servers