16217: Exit service command if the service handler fails.

[arvados.git] / lib / service / error.go

diff --git a/lib/service/error.go b/lib/service/error.go
index c4049f7064d70a5a88c654be10cff478bb0f42f3..a4d7370d1b8d0d6a3b630025a181a56c029ed3b0 100644 (file)
--- a/lib/service/error.go
+++ b/lib/service/error.go
@@ -36,3 +36,15 @@ func (eh errorHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 func (eh errorHandler) CheckHealth() error {
        return eh.err
 }
+
+// Done returns a closed channel to indicate the service has
+// stopped/failed.
+func (eh errorHandler) Done() <-chan struct{} {
+       return doneChannel
+}
+
+var doneChannel = func() <-chan struct{} {
+       done := make(chan struct{})
+       close(done)
+       return done
+}()