[LU-830] need to clean lbuild's reuse cache

• Type: Improvement
• Resolution: Cannot Reproduce
• Priority: Minor
• Affects Version/s: Lustre 2.1.0
• Story Points: 3
• Assignee: Brian Murrell (Inactive)
• Reporter: Brian Murrell (Inactive)

Description

lbuild caches kernel and ofed build product. Currently that cache grows without any pruning. lbuild should do a pruning on each run to keep the amount of cache under control.