Fix the error logging of the promhttp handler by connecting it to the
promlog setup.
* Switch to go-kit/log.
* Cleanup CHANGELOG.
Fixes: https://github.com/prometheus/node_exporter/issues/1886
Signed-off-by: Ben Kochie <superq@gmail.com>
I have rewritten all CGO dependencies for OpenBSD amd64
using pure go, be able to crosscompile node_exporter.
Signed-off-by: ston1th <ston1th@giftfish.de>
