Move Store creation into own function

cmd/rqlited/main.go

@@ -200,51 +200,13 @@ func main() {
 	raftTn := mux.Listen(cluster.MuxRaftHeader)
 	log.Printf("Raft TCP mux Listener registered with %d", cluster.MuxRaftHeader)
 
-	// Create and open the store.
-	dataPath, err = filepath.Abs(dataPath)
+	// Create the store.
+	str, isNew, err := createStore(raftTn, dataPath)
 	if err != nil {
-		log.Fatalf("failed to determine absolute data path: %s", err.Error())
+		log.Fatalf("failed to create store: %s", err.Error())
 	}
-	dbConf := store.NewDBConfig(!onDisk)
-	dbConf.FKConstraints = fkConstraints
-	dbConf.OnDiskPath = onDiskPath
-
-	str := store.New(raftTn, &store.Config{
-		DBConf: dbConf,
-		Dir:    dataPath,
-		ID:     idOrRaftAddr(),
-	})
 
-	// Set optional parameters on store.
-	str.StartupOnDisk = onDiskStartup
-	str.SetRequestCompression(compressionBatch, compressionSize)
-	str.RaftLogLevel = raftLogLevel
-	str.ShutdownOnRemove = raftShutdownOnRemove
-	str.SnapshotThreshold = raftSnapThreshold
-	str.SnapshotInterval, err = time.ParseDuration(raftSnapInterval)
-	if err != nil {
-		log.Fatalf("failed to parse Raft Snapsnot interval %s: %s", raftSnapInterval, err.Error())
-	}
-	str.LeaderLeaseTimeout, err = time.ParseDuration(raftLeaderLeaseTimeout)
-	if err != nil {
-		log.Fatalf("failed to parse Raft Leader lease timeout %s: %s", raftLeaderLeaseTimeout, err.Error())
-	}
-	str.HeartbeatTimeout, err = time.ParseDuration(raftHeartbeatTimeout)
-	if err != nil {
-		log.Fatalf("failed to parse Raft heartbeat timeout %s: %s", raftHeartbeatTimeout, err.Error())
-	}
-	str.ElectionTimeout, err = time.ParseDuration(raftElectionTimeout)
-	if err != nil {
-		log.Fatalf("failed to parse Raft election timeout %s: %s", raftElectionTimeout, err.Error())
-	}
-	str.ApplyTimeout, err = time.ParseDuration(raftApplyTimeout)
-	if err != nil {
-		log.Fatalf("failed to parse Raft apply timeout %s: %s", raftApplyTimeout, err.Error())
-	}
-
-	// Any prexisting node state?
 	var enableBootstrap bool
-	isNew := store.IsNewNode(dataPath)
 	if isNew {
 		log.Printf("no preexisting node state detected in %s, node may be bootstrapping", dataPath)
 		enableBootstrap = true // New node, so we may be bootstrapping
@@ -445,6 +407,53 @@ func waitForConsensus(str *store.Store) error {
 	return nil
 }
 
+func createStore(ln *tcp.Layer, dataPath string) (*store.Store, bool, error) {
+	var err error
+
+	dataPath, err = filepath.Abs(dataPath)
+	if err != nil {
+		return nil, false, fmt.Errorf("failed to determine absolute data path: %s", err.Error())
+	}
+	dbConf := store.NewDBConfig(!onDisk)
+	dbConf.FKConstraints = fkConstraints
+	dbConf.OnDiskPath = onDiskPath
+
+	str := store.New(ln, &store.Config{
+		DBConf: dbConf,
+		Dir:    dataPath,
+		ID:     idOrRaftAddr(),
+	})
+
+	// Set optional parameters on store.
+	str.StartupOnDisk = onDiskStartup
+	str.SetRequestCompression(compressionBatch, compressionSize)
+	str.RaftLogLevel = raftLogLevel
+	str.ShutdownOnRemove = raftShutdownOnRemove
+	str.SnapshotThreshold = raftSnapThreshold
+	str.SnapshotInterval, err = time.ParseDuration(raftSnapInterval)
+	if err != nil {
+		return nil, false, fmt.Errorf("invalid Raft Snapsnot interval %s: %s", raftSnapInterval, err.Error())
+	}
+	str.LeaderLeaseTimeout, err = time.ParseDuration(raftLeaderLeaseTimeout)
+	if err != nil {
+		return nil, false, fmt.Errorf("invalid Raft Leader lease timeout %s: %s", raftLeaderLeaseTimeout, err.Error())
+	}
+	str.HeartbeatTimeout, err = time.ParseDuration(raftHeartbeatTimeout)
+	if err != nil {
+		return nil, false, fmt.Errorf("invalid Raft heartbeat timeout %s: %s", raftHeartbeatTimeout, err.Error())
+	}
+	str.ElectionTimeout, err = time.ParseDuration(raftElectionTimeout)
+	if err != nil {
+		return nil, false, fmt.Errorf("invalid Raft election timeout %s: %s", raftElectionTimeout, err.Error())
+	}
+	str.ApplyTimeout, err = time.ParseDuration(raftApplyTimeout)
+	if err != nil {
+		return nil, false, fmt.Errorf("invalid Raft apply timeout %s: %s", raftApplyTimeout, err.Error())
+	}
+
+	return str, store.IsNewNode(dataPath), nil
+}
+
 func startHTTPService(str *store.Store, cltr *cluster.Client, credStr *auth.CredentialsStore) (*httpd.Service, error) {
 	// Create HTTP server and load authentication information if required.
 	var s *httpd.Service