coredns/plugin/proxy/down.go
Miek Gieben 148a99442d healhcheck: various cleanups (#1106)
* healhcheck: various cleanups

Network wasn't used. IgnorePaths wasn't used. Move checkdown function to
common function shared between proxy protocols. And some naming fixed.

Also reset the Fails on a succesful healthcheck back to 0.

remove newlines from log

* compile

* fix test
2017-09-24 19:37:43 +01:00

30 lines
574 B
Go

package proxy
import (
"sync/atomic"
"time"
"github.com/coredns/coredns/plugin/pkg/healthcheck"
)
// Default CheckDown functions for use in the proxy plugin.
var checkDownFunc = func(upstream *staticUpstream) healthcheck.UpstreamHostDownFunc {
return func(uh *healthcheck.UpstreamHost) bool {
down := false
uh.Lock()
until := uh.OkUntil
uh.Unlock()
if !until.IsZero() && time.Now().After(until) {
down = true
}
fails := atomic.LoadInt32(&uh.Fails)
if fails >= upstream.MaxFails && upstream.MaxFails != 0 {
down = true
}
return down
}
}