log hiccups, downtime, and unrecoverable downtime

build.go

@@ -0,0 +1,8 @@
+//go:generate go build -o watchdog cmd/watchdog/watchdog.go
+
+package watchdog
+
+// This is takes the place of a makefile.
+
+// Usage:
+// go generate -mod=vendor build.go

watchdog.go

@@ -52,6 +52,15 @@ func (d *Dog) watch() {
 		return
 	}
 
+	time.Sleep(time.Duration(2) * time.Second)
+	err2 := d.check()
+	if nil != err {
+		d.Logger <- fmt.Sprintf("Down: '%s': %s", d.Name, err2)
+	} else {
+		d.Logger <- fmt.Sprintf("Hiccup: '%s': %s", d.Name, err)
+		return
+	}
+
 	failure := false
 	t := 10
 	for {
@@ -61,6 +70,7 @@ func (d *Dog) watch() {
 		t *= 2
 		err := d.check()
 		if nil != err {
+			d.Logger <- fmt.Sprintf("Unrecoverable: '%s': %s", d.Name, err)
 			failure = true
 		} else {
 			failure = false