multi: add sqlite option to itests and github job

lntest/harness_node.go

@@ -278,6 +278,11 @@ func (cfg *BaseNodeConfig) GenArgs() []string {
 	case BackendPostgres:
 		args = append(args, "--db.backend=postgres")
 		args = append(args, "--db.postgres.dsn="+cfg.PostgresDsn)
+
+	case BackendSqlite:
+		args = append(args, "--db.backend=sqlite")
+		args = append(args, fmt.Sprintf("--db.sqlite.busytimeout=%v",
+			SqliteBusyTimeout))
 	}
 
 	if cfg.FeeURL != "" {

lntest/itest/lnd_test.go

@@ -131,6 +131,9 @@ func TestLightningNetworkDaemon(t *testing.T) {
 	case "postgres":
 		dbBackend = lntest.BackendPostgres
 
+	case "sqlite":
+		dbBackend = lntest.BackendSqlite
+
 	default:
 		require.Fail(t, "unknown db backend")
 	}

lntest/itest/temp_lnd_test.go

@@ -49,7 +49,7 @@ var (
 
 	// dbBackendFlag specifies the backend to use.
 	dbBackendFlag = flag.String("dbbackend", "bbolt", "Database backend "+
-		"(bbolt, etcd, postgres)")
+		"(bbolt, etcd, postgres, sqlite)")
 )
 
 // TestLightningNetworkDaemonTemp performs a series of integration tests

lntest/test_common.go

@@ -33,6 +33,7 @@ const (
 	BackendBbolt DatabaseBackend = iota
 	BackendEtcd
 	BackendPostgres
+	BackendSqlite
 )
 
 var (

lntest/timeouts.go

@@ -29,4 +29,8 @@ const (
 	// NodeStartTimeout is the timeout value when waiting for a node to
 	// become fully started.
 	NodeStartTimeout = time.Second * 120
+
+	// SqliteBusyTimeout is the maximum time that a call to the sqlite db
+	// will wait for the connection to become available.
+	SqliteBusyTimeout = time.Second * 10
 )

lntest/timeouts_darwin.go

@@ -30,4 +30,8 @@ const (
 	// NodeStartTimeout is the timeout value when waiting for a node to
 	// become fully started.
 	NodeStartTimeout = time.Second * 120
+
+	// SqliteBusyTimeout is the maximum time that a call to the sqlite db
+	// will wait for the connection to become available.
+	SqliteBusyTimeout = time.Second * 10
 )

lntest/timeouts_remote_db.go

@@ -29,4 +29,8 @@ const (
 	// NodeStartTimeout is the timeout value when waiting for a node to
 	// become fully started.
 	NodeStartTimeout = time.Second * 120
+
+	// SqliteBusyTimeout is the maximum time that a call to the sqlite db
+	// will wait for the connection to become available.
+	SqliteBusyTimeout = time.Second * 10
 )