From a467f092616122f1f718df2a375ba66e97997594 Mon Sep 17 00:00:00 2001 From: Fabricio Voznika Date: Mon, 5 Nov 2018 17:41:22 -0800 Subject: Log when external signal is received PiperOrigin-RevId: 220204591 Change-Id: I21a9c6f5c12a376d18da5d10c1871837c4f49ad2 --- runsc/boot/controller.go | 12 ++++++++++++ runsc/boot/loader.go | 1 + 2 files changed, 13 insertions(+) diff --git a/runsc/boot/controller.go b/runsc/boot/controller.go index 6dd7fadd9..96a848197 100644 --- a/runsc/boot/controller.go +++ b/runsc/boot/controller.go @@ -445,6 +445,18 @@ const ( DeliverToForegroundProcessGroup ) +func (s SignalDeliveryMode) String() string { + switch s { + case DeliverToProcess: + return "Process" + case DeliverToAllProcesses: + return "All" + case DeliverToForegroundProcessGroup: + return "Foreground Process Group" + } + return fmt.Sprintf("unknown signal delivery mode: %d", s) +} + // SignalArgs are arguments to the Signal method. type SignalArgs struct { // CID is the container ID. diff --git a/runsc/boot/loader.go b/runsc/boot/loader.go index 380fa3fbf..10fec5b59 100644 --- a/runsc/boot/loader.go +++ b/runsc/boot/loader.go @@ -336,6 +336,7 @@ func New(args Args) (*Loader, error) { // properly. deliveryMode = DeliverToForegroundProcessGroup } + log.Infof("Received external signal %d, mode: %v", sig, deliveryMode) if err := l.signal(args.ID, 0, int32(sig), deliveryMode); err != nil { log.Warningf("error sending signal %v to container %q: %v", sig, args.ID, err) } -- cgit v1.2.3