Work on failed outbound requests and move type migrators

- DB type migrators are now in separate file, in preparation for full
  custom sql migration statements
- Start work on handling failed outbound requests stored in the db

storage-new/cleaners/killDeadServers.go

@@ -0,0 +1,30 @@
+package cleaners
+
+import (
+	"time"
+
+	"github.com/rs/zerolog/log"
+
+	"git.mstar.dev/mstar/linstrom/storage-new/dbgen"
+)
+
+const maxServerAge = time.Hour * 24 * 30 // One month
+
+func init() {
+	cleanerBuilders = append(cleanerBuilders, buildKillDeadServers)
+}
+
+// Marks all servers where the last interaction time is older than maxServerAge
+func tickKillDeadServers(now time.Time) {
+	_, err := dbgen.RemoteServer.Where(dbgen.RemoteServer.LastInteraction.Lt(now.Add(-maxServerAge)), dbgen.RemoteServer.IsSelf.Is(false)).
+		UpdateColumn(dbgen.RemoteServer.IsDead, true)
+	if err != nil {
+		log.Error().
+			Err(err).
+			Msg("Failed to mark servers without interaction for over a 30 days as dead")
+	}
+}
+
+func buildKillDeadServers() (onTick func(time.Time), name string, tickSpeed time.Duration) {
+	return tickKillDeadServers, "kill-dead-servers", time.Hour
+}