From 7a0edfbe7c3703a0bf48f01dd818173a68a8f747 Mon Sep 17 00:00:00 2001
From: Greg Steuck <blackgnezdo@gmail.com>
Date: Sun, 2 Dec 2018 05:22:10 -0800
Subject: vm/gce: use openbsd console diagnostic code for both vmm and gce

* openbsd: use console diagnostic code for both vmm and gce.

* gometalinter wants less indentation and more stuff in scope

* Comment no longer applies
---
 vm/vmimpl/openbsd.go | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 vm/vmimpl/openbsd.go

(limited to 'vm/vmimpl/openbsd.go')

diff --git a/vm/vmimpl/openbsd.go b/vm/vmimpl/openbsd.go
new file mode 100644
index 000000000..79132ebf8
--- /dev/null
+++ b/vm/vmimpl/openbsd.go
@@ -0,0 +1,27 @@
+package vmimpl
+
+import (
+	"io"
+	"time"
+)
+
+// DiagnoseOpenBSD sends the debug commands to the given writer which
+// is expected to be connected to a paniced openbsd kernel.  If kernel
+// just hanged, we've lost connection or detected some non-panic
+// error, console still shows normal login prompt.
+func DiagnoseOpenBSD(w io.Writer) bool {
+	commands := []string{
+		"",
+		"set $lines = 0", // disable pagination
+		"show panic",
+		"trace",
+		"show registers",
+		"show proc",
+		"ps",
+	}
+	for _, c := range commands {
+		w.Write([]byte(c + "\n"))
+		time.Sleep(1 * time.Second)
+	}
+	return true
+}
-- 
cgit mrf-deployment