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Colorize zpool status output

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If the ZFS_COLOR env variable is set, then use ANSI color
output in zpool status:

- Column headers are bold
- Degraded or offline pools/vdevs are yellow
- Non-zero error counters and faulted vdevs/pools are red
- The 'status:' and 'action:' sections are yellow if they're
  displaying a warning.

This also includes a new 'faketty' function in libtest.shlib that is
compatible with FreeBSD (code provided by @freqlabs).

Reviewed-by: Jorgen Lundman <lundman@lundman.net>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #9340
This commit is contained in:
Tony Hutter
2019-12-19 16:26:07 -08:00
committed by Brian Behlendorf
parent 5e8ac05590
commit 9fb2771aa5
10 changed files with 479 additions and 139 deletions
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man/man8/zpool.8
+6
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@@ -453,6 +453,12 @@ Cause
to dump core on exit for the purposes of running
.Sy ::findleaks .
.El
.Bl -tag -width "ZFS_COLOR"
.It Ev ZFS_COLOR
Use ANSI color in
.Nm zpool status
output.
.El
.Bl -tag -width "ZPOOL_IMPORT_PATH"
.It Ev ZPOOL_IMPORT_PATH
The search path for devices or files to use with the pool. This is a colon-separated list of directories in which