tree 29d0b1e440658dd46432a2c9c283e734cff347b0
parent 4c1c063a24a9e401ceed99ec05d2b6d354f3bb4c
author Brad Fitzpatrick <bradfitz@golang.org> 1559922859 -0700
committer Brad Fitzpatrick <bradfitz@golang.org> 1560126623 +0000

cmd/makemac, cmd/coordinator: export warnings/error from makemac to coordinator

This adds information on warnings & errors to makemac's JSON status
handler that is then parsed by the coordinator's health checking code,
which already polls this JSON endpoint.

Updates golang/go#32449
Updates golang/go#15760

Change-Id: I69bea7b07c184d1f62a358bc317376aa97018230
Reviewed-on: https://go-review.googlesource.com/c/build/+/181217
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>