helpers
So we can better trace what failed.
notice - just echo to stdout
warning - just echo to stderr
error - echo to stderr and return false, so trap ERR can catch this
fail - like err but call 'exit 1' at the end so if no trap ERR is used
it will exit anyway.
Change-Id: I5c7b3682fd6c0d81c07c58a5ec965155c7593407
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Reviewed-on: https://review.gerrithub.io/392218
Reviewed-by: Karol Latecki <karol.latecki@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
575a291fa3