func NewService() (*Service, error) {
args := fmt.Sprintf(
"dbname=%s user=%s password=%s port=%s sslmode=%s",
PGDATABASE,
PGUSER,
PGPASS,
PGPORT,
"disable")
db, err := sql.Open("postgres", args)
if err != nil {
log.Fatal(err)
}
var pgVersion string
err = db.QueryRow("select version()").Scan(&pgVersion)
if err != nil {
return nil, err
}
log.Info("Connected to PostgreSQL version %s.", pgVersion)
return &Service{
db: db,
}, nil
}
func StaticHandlerFactory(appContext AppContext) http.Handler {
if appContext.Vars.DevWebAppServerUrl != "" {
log.Notice("Proxying static files to %v.",
appContext.Vars.DevWebAppServerUrl)
devServerProxyUrl, err := url.Parse(appContext.Vars.DevWebAppServerUrl)
if err != nil {
log.Fatal(err)
}
return httputil.NewSingleHostReverseProxy(devServerProxyUrl)
}
return resources.FileServer{}
}
func NewIndexer(service *Service) (*Indexer, error) {
tx, err := service.db.Begin()
if err != nil {
return nil, err
}
stmt, err := tx.Prepare("insert into events_master (uuid, timestamp, source) values ($1, $2, $3)")
if err != nil {
log.Fatal(err)
}
return &Indexer{
db: service.db,
tx: tx,
stmt: stmt,
}, nil
}
func (i *Indexer) Flush() error {
err := i.tx.Commit()
if err != nil {
return err
}
i.tx, err = i.db.Begin()
if err != nil {
return err
}
i.stmt, err = i.tx.Prepare("insert into events_master (uuid, timestamp, source) values ($1, $2, $3)")
if err != nil {
log.Fatal(err)
}
return nil
}
func (i *Indexer) AddEvent(event eve.RawEveEvent) error {
uuid := uuid.NewV1()
timestamp, err := event.GetTimestamp()
if err != nil {
log.Error("Failed to get timestamp from event: %v", err)
}
encoded, err := json.Marshal(&event)
if err != nil {
log.Error("Failed to encode event.")
}
_, err = i.stmt.Exec(uuid, timestamp, string(encoded))
if err != nil {
log.Fatal(err)
}
return nil
}
func NewDataStore() (*DataStore, error) {
log.Fatal("SQLite support not built in.")
return nil, nil
}
func Main(args []string) {
var end bool
var oneshot bool
var useBookmark bool
var bookmarkPath string
var verbose bool
var dbfile string
flagset := flag.NewFlagSet("sqliteimport", flag.ExitOnError)
flagset.StringVarP(&dbfile, "database", "D", "", "Database filename")
flagset.BoolVar(&end, "end", false, "Start at end of file")
flagset.BoolVar(&oneshot, "oneshot", false, "One shot mode (exit on EOF)")
flagset.BoolVar(&useBookmark, "bookmark", false, "Bookmark location")
flagset.StringVar(&bookmarkPath, "bookmark-path", "", "Path to bookmark file")
flagset.BoolVarP(&verbose, "verbose", "v", false, "Verbose output")
flagset.Parse(args)
if verbose {
log.SetLevel(log.DEBUG)
}
if dbfile == "" {
log.Fatal("Database filename must be provided.")
}
if len(flagset.Args()) == 0 {
log.Fatal("No input files provided.")
} else if len(flagset.Args()) > 1 {
log.Fatal("Only one input file allowed.")
}
inputFilename := flagset.Args()[0]
// If useBookmark but no path, set a default.
if useBookmark && bookmarkPath == "" {
bookmarkPath = fmt.Sprintf("%s.bookmark", inputFilename)
}
reader, err := evereader.New(flagset.Args()[0])
if err != nil {
log.Fatal(err)
}
// Initialize bookmark.
var bookmarker *evereader.Bookmarker = nil
if useBookmark {
bookmarker = &evereader.Bookmarker{
Filename: bookmarkPath,
Reader: reader,
}
err := bookmarker.Init(end)
if err != nil {
log.Fatal(err)
}
} else if end {
log.Info("Jumping to end of file.")
err := reader.SkipToEnd()
if err != nil {
log.Fatal(err)
}
}
db, err := sqlite.NewSqliteService(dbfile)
if err != nil {
log.Fatal(err)
}
if err := db.Migrate(); err != nil {
log.Fatal(err)
}
indexer, err := sqlite.NewSqliteIndexer(db)
if err != nil {
log.Fatal(err)
}
count := uint64(0)
lastStatTs := time.Now()
lastStatCount := uint64(0)
// Number of EOFs in last stat interval.
eofs := uint64(0)
tagsFilter := eve.TagsFilter{}
for {
eof := false
event, err := reader.Next()
if err != nil {
if err == io.EOF {
eof = true
eofs++
} else {
log.Fatal(err)
}
}
if event != nil {
tagsFilter.Filter(event)
indexer.IndexRawEve(event)
count++
if useBookmark {
bookmark := bookmarker.GetBookmark()
bookmarker.WriteBookmark(bookmark)
}
}
now := time.Now()
if now.Sub(lastStatTs).Seconds() > 1 {
log.Info("Total: %d; Last interval: %d; Avg: %.2f/s, EOFs: %d",
count,
count-lastStatCount,
float64(count-lastStatCount)/(now.Sub(lastStatTs).Seconds()),
eofs)
lastStatTs = now
lastStatCount = count
eofs = 0
indexer.Flush()
}
if eof {
if oneshot {
break
} else {
indexer.Flush()
time.Sleep(100 * time.Millisecond)
}
}
}
now := time.Now()
log.Info("Total: %d; Last interval: %d; Avg: %.2f/s, EOFs: %d",
count,
count-lastStatCount,
float64(count-lastStatCount)/(now.Sub(lastStatTs).Seconds()),
eofs)
indexer.Flush()
}
func Main(args []string) {
var end bool
var oneshot bool
var useBookmark bool
var bookmarkPath string
var verbose bool
flagset := flag.NewFlagSet("evereader", flag.ExitOnError)
flagset.BoolVar(&end, "end", false, "Start at end of file")
flagset.BoolVar(&oneshot, "oneshot", false, "One shot mode (exit on EOF)")
flagset.BoolVar(&useBookmark, "bookmark", false, "Bookmark location")
flagset.StringVar(&bookmarkPath, "bookmark-path", "", "Path to bookmark file")
flagset.BoolVarP(&verbose, "verbose", "v", false, "Verbose output")
flagset.Parse(args[1:])
if verbose {
log.SetLevel(log.DEBUG)
}
if len(flagset.Args()) == 0 {
log.Fatal("No input files provided.")
} else if len(flagset.Args()) > 1 {
log.Fatal("Only one input file allowed.")
}
inputFilename := flagset.Args()[0]
// If useBookmark but no path, set a default.
if useBookmark && bookmarkPath == "" {
bookmarkPath = fmt.Sprintf("%s.bookmark", inputFilename)
}
encoder := json.NewEncoder(os.Stdout)
reader, err := evereader.New(flagset.Args()[0])
if err != nil {
log.Fatal(err)
}
// Initialize bookmark.
var bookmarker *evereader.Bookmarker = nil
if useBookmark {
bookmarker = &evereader.Bookmarker{
Filename: bookmarkPath,
Reader: reader,
}
err := bookmarker.Init(end)
if err != nil {
log.Fatal(err)
}
} else if end {
log.Info("Jumping to end of file.")
err := reader.SkipToEnd()
if err != nil {
log.Fatal(err)
}
}
for {
eof := false
event, err := reader.Next()
if err != nil {
if err == io.EOF {
if oneshot {
break
}
eof = true
} else {
log.Fatal(err)
}
}
if eof {
time.Sleep(1 * time.Second)
} else {
encoder.Encode(event)
if useBookmark {
bookmark := bookmarker.GetBookmark()
bookmarker.WriteBookmark(bookmark)
}
}
}
}
func Main(args []string) {
log.Fatal("SQLite not supported in this build.")
}
func Main(args []string) {
var err error
log.Info("This is EveBox Server version %v (rev: %v)", core.BuildVersion, core.BuildRev)
flagset := flag.NewFlagSet("server", flag.ExitOnError)
flagset.StringVarP(&opts.ElasticSearchUri, "elasticsearch", "e", "", "Elastic Search URI (default: http://localhost:9200")
flagset.StringVarP(&opts.ElasticSearchIndex, "index", "i", "", "Elastic Search Index (default: logstash)")
flagset.StringVarP(&opts.Port, "port", "p", "5636", "Port to bind to")
flagset.StringVarP(&opts.Host, "host", "", "0.0.0.0", "Host to bind to")
flagset.StringVarP(&opts.DevServerUri, "dev", "", "", "Frontend development server URI")
flagset.BoolVarP(&opts.Version, "version", "", false, "Show version")
flagset.StringVarP(&opts.Config, "config", "c", "", "Configuration filename")
flagset.BoolVarP(&opts.NoCheckCertificate, "no-check-certificate", "k", false, "Disable certificate check for Elastic Search")
flagset.BoolVarP(&opts.Sqlite, "sqlite", "", false, "Use SQLite for the event store")
flagset.Parse(args[0:])
if opts.Version {
VersionMain()
return
}
log.SetLevel(log.DEBUG)
// If no configuration was provided, see if evebox.yaml exists
// in the current directory.
if opts.Config == "" {
_, err = os.Stat("./evebox.yaml")
if err == nil {
opts.Config = "./evebox.yaml"
}
}
if opts.Config != "" {
log.Printf("Loading configuration file %s.\n", opts.Config)
conf, err = config.LoadConfig(opts.Config)
if err != nil {
log.Fatal(err)
}
}
conf.ElasticSearchIndex = getElasticSearchIndex()
log.Info("Using ElasticSearch Index %s.", conf.ElasticSearchIndex)
appContext := server.AppContext{
Config: conf,
}
elasticSearch := elasticsearch.New(getElasticSearchUrl())
elasticSearch.SetEventIndex(conf.ElasticSearchIndex)
elasticSearch.InitKeyword()
pingResponse, err := elasticSearch.Ping()
if err != nil {
log.Error("Failed to ping Elastic Search: %v", err)
} else {
log.Info("Connected to Elastic Search (version: %s)",
pingResponse.Version.Number)
}
appContext.ElasticSearch = elasticSearch
appContext.EventService = elasticsearch.NewEventService(elasticSearch)
appContext.AlertQueryService = elasticsearch.NewAlertQueryService(elasticSearch)
appContext.EventQueryService = elasticsearch.NewEventQueryService(elasticSearch)
appContext.ReportService = elasticsearch.NewReportService(elasticSearch)
appContext.Vars.DevWebAppServerUrl = opts.DevServerUri
var datastoreType string = "elasticsearch"
if opts.Sqlite {
datastoreType = "sqlite"
}
if datastoreType == "elasticsearch" {
appContext.DataStore, err = elasticsearch.NewDataStore(elasticSearch)
if err != nil {
log.Fatal(err)
}
} else if datastoreType == "sqlite" {
appContext.DataStore, err = sqlite.NewDataStore()
if err != nil {
log.Fatal(err)
}
}
httpServer := server.NewServer(appContext)
err = httpServer.Start(opts.Host + ":" + opts.Port)
if err != nil {
log.Fatal(err)
}
}
func configure(args []string) Config {
flagset = flag.NewFlagSet("import", flag.ExitOnError)
flagset.Usage = usage
configFilename := flagset.StringP("config", "c", "", "Configuration file")
verbose := flagset.BoolP("verbose", "v", false, "Verbose output")
elasticSearchUri := flagset.StringP("elasticsearch", "e", "", "Elastic Search URL")
username := flagset.StringP("username", "u", "", "Username")
password := flagset.StringP("password", "p", "", "Password")
noCheckCertificate := flagset.BoolP("no-check-certificate", "k", false, "Disable certificate check")
index := flagset.String("index", DEFAULT_INDEX, "Elastic Search index prefix")
oneshot := flagset.Bool("oneshot", false, "One shot mode (exit on EOF)")
stdout := flagset.Bool("stdout", false, "Print events to stdout")
end := flagset.Bool("end", false, "Start at end of file")
batchSize := flagset.Uint64("batch-size", 1000, "Batch import size")
useBookmark := flagset.Bool("bookmark", false, "Bookmark location")
bookmarkPath := flagset.String("bookmark-path", "", "Path to bookmark file")
noGeoIp := flagset.Bool("no-geoip", false, "Disable GeoIP lookups")
geoIpDatabase := flagset.String("geoip-database", "", "Path to GeoIP (v2) database file")
flagset.Parse(args[1:])
if *verbose {
log.Info("Setting log level to debug")
log.SetLevel(log.DEBUG)
}
configWrapper := ConfigWrapper{
Config: Config{
Index: DEFAULT_INDEX,
BatchSize: 1000,
},
}
if *configFilename != "" {
log.Debug("Loading configuration file %s", *configFilename)
err := config.LoadConfigTo(*configFilename, &configWrapper)
if err != nil {
log.Fatal(err)
}
}
conf := configWrapper.Config
flagset.Visit(func(flag *flag.Flag) {
log.Debug("Found command line argument %s -> %s", flag.Name,
flag.Value.String())
switch flag.Name {
case "elasticsearch":
conf.Url = *elasticSearchUri
case "username":
conf.Username = *username
case "password":
conf.Password = *password
case "no-check-certificate":
conf.DisableCertificateCheck = *noCheckCertificate
case "index":
conf.Index = *index
case "oneshot":
conf.oneshot = *oneshot
case "stdout":
conf.stdout = *stdout
case "end":
conf.End = *end
case "batch-size":
conf.BatchSize = *batchSize
case "bookmark":
conf.Bookmark = *useBookmark
case "bookmark-path":
conf.BookmarkPath = *bookmarkPath
case "no-geoip":
conf.DisableGeoIp = *noGeoIp
case "geoip-database":
conf.GeoIpDatabase = *geoIpDatabase
case "verbose":
conf.Verbose = *verbose
case "config":
default:
log.Notice("Unhandle configuration flag %s", flag.Name)
}
})
if len(flagset.Args()) == 1 {
conf.InputFilename = flagset.Args()[0]
} else if len(flagset.Args()) > 1 {
log.Fatal("Multiple input filenames not allowed")
}
return conf
}
func Main(args []string) {
conf := configure(args)
if conf.BatchSize < 1 {
log.Fatal("Batch size must be greater than 0")
}
if conf.Url == "" {
log.Error("error: --elasticsearch is a required parameter")
usage()
os.Exit(1)
}
if conf.InputFilename == "" {
log.Fatal("error: no input file provided")
}
if conf.Bookmark && conf.BookmarkPath == "" {
conf.BookmarkPath = fmt.Sprintf("%s.bookmark", conf.InputFilename)
log.Info("Using bookmark file %s", conf.BookmarkPath)
}
es := elasticsearch.New(conf.Url)
es.DisableCertCheck(conf.DisableCertificateCheck)
if conf.Username != "" || conf.Password != "" {
if err := es.SetUsernamePassword(conf.Username,
conf.Password); err != nil {
log.Fatal("Failed to set username and password: %v", err)
}
}
response, err := es.Ping()
if err != nil {
log.Fatal("error: failed to ping Elastic Search:", err)
}
log.Info("Connected to Elastic Search v%s (cluster:%s; name: %s)",
response.Version.Number, response.ClusterName, response.Name)
majorVersion := response.MajorVersion()
// Check if the template exists.
templateExists, err := es.CheckTemplate(conf.Index)
if !templateExists {
log.Info("Template %s does not exist, creating...", conf.Index)
err = es.LoadTemplate(conf.Index, majorVersion)
if err != nil {
log.Fatal("Failed to create template:", err)
}
} else {
log.Info("Template %s exists, will not create.", conf.Index)
}
var geoipFilter *eve.GeoipFilter
tagsFilter := &eve.TagsFilter{}
if !conf.DisableGeoIp {
geoipdb, err := geoip.NewGeoIpDb(conf.GeoIpDatabase)
if err != nil {
log.Notice("Failed to load GeoIP database: %v", err)
} else {
log.Info("Using GeoIP database %s, %s", geoipdb.Type(), geoipdb.BuildDate())
geoipFilter = eve.NewGeoipFilter(geoipdb)
}
}
indexer := elasticsearch.NewIndexer(es, conf.DisableCertificateCheck)
indexer.IndexPrefix = conf.Index
reader, err := evereader.New(conf.InputFilename)
if err != nil {
log.Fatal(err)
}
// Initialize bookmarking...
var bookmarker *evereader.Bookmarker = nil
if conf.Bookmark {
bookmarker = &evereader.Bookmarker{
Filename: conf.BookmarkPath,
Reader: reader,
}
err := bookmarker.Init(conf.End)
if err != nil {
log.Fatal(err)
}
} else if conf.End {
log.Info("Jumping to end of file.")
err := reader.SkipToEnd()
if err != nil {
log.Fatal(err)
}
}
count := uint64(0)
lastStatTs := time.Now()
lastStatCount := uint64(0)
startTime := time.Now()
// Number of EOFs in last stat interval.
eofs := uint64(0)
go func() {
err := indexer.Run()
if err != nil {
log.Fatal("Elastic Search indexer connection unexpectedly closed:", err)
} else {
log.Debug("Indexer exited without issue.")
}
}()
for {
eof := false
event, err := reader.Next()
if err != nil {
if err == io.EOF {
eof = true
eofs++
} else if _, ok := err.(evereader.MalformedEventError); ok {
log.Error("Failed to read event but will continue: %v", err)
} else {
log.Fatalf("Unrecoverable error reading event: %v", err)
}
}
if event != nil {
if geoipFilter != nil {
geoipFilter.AddGeoIP(event)
}
tagsFilter.Filter(event)
if conf.stdout {
asJson, err := json.Marshal(event)
if err != nil {
log.Error("Failed to print event as json: %v", err)
} else {
fmt.Println(string(asJson))
}
}
indexer.IndexRawEvent(event)
count++
}
if eof || (count > 0 && count%conf.BatchSize == 0) {
var bookmark *evereader.Bookmark = nil
if conf.Bookmark {
bookmark = bookmarker.GetBookmark()
}
response, err := indexer.FlushConnection()
if err != nil {
log.Fatal(err)
}
if response != nil {
log.Debug("Indexed %d events {errors=%v}", len(response.Items),
response.Errors)
}
if conf.Bookmark {
bookmarker.WriteBookmark(bookmark)
}
}
now := time.Now()
if now.Sub(lastStatTs).Seconds() > 1 && now.Second() == 0 {
// Calculate the lag in bytes, that is the number of bytes behind
// the end of file we are.
lag, err := GetLag(reader)
if err != nil {
log.Error("Failed to calculate lag: %v", err)
}
log.Info("Total: %d; Last minute: %d; Avg: %.2f/s, EOFs: %d; Lag (bytes): %d",
count,
count-lastStatCount,
float64(count-lastStatCount)/(now.Sub(lastStatTs).Seconds()),
eofs,
lag)
lastStatTs = now
lastStatCount = count
eofs = 0
}
if eof {
if conf.oneshot {
break
} else {
time.Sleep(1 * time.Second)
}
}
}
totalTime := time.Since(startTime)
if conf.oneshot {
log.Info("Indexed %d events: time=%.2fs; avg=%d/s", count, totalTime.Seconds(),
uint64(float64(count)/totalTime.Seconds()))
}
}
