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main.go
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main.go
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package main
import (
"context"
"flag"
"fmt"
"github.com/je4/filesystem/v2/pkg/vfsrw"
genericproto "github.com/je4/genericproto/v2/pkg/generic/proto"
"github.com/je4/indexer/v2/pkg/indexer"
"github.com/je4/mediaserveringest/v2/config"
"github.com/je4/mediaserveringest/v2/internal"
"github.com/je4/mediaserveringest/v2/pkg/ingest"
mediaserverdbClient "github.com/je4/mediaserverproto/v2/pkg/mediaserverdb/client"
mediaserverdbproto "github.com/je4/mediaserverproto/v2/pkg/mediaserverdb/proto"
miniresolverClient "github.com/je4/miniresolver/v2/pkg/client"
"github.com/je4/miniresolver/v2/pkg/grpchelper"
"github.com/je4/trustutil/v2/pkg/loader"
"github.com/je4/utils/v2/pkg/zLogger"
"github.com/rs/zerolog"
"google.golang.org/protobuf/types/known/emptypb"
"io"
"io/fs"
"log"
"os"
"os/signal"
"path/filepath"
"syscall"
"time"
)
var cfg = flag.String("config", "", "location of toml configuration file")
func main() {
flag.Parse()
var cfgFS fs.FS
var cfgFile string
if *cfg != "" {
cfgFS = os.DirFS(filepath.Dir(*cfg))
cfgFile = filepath.Base(*cfg)
} else {
cfgFS = config.ConfigFS
cfgFile = "mediaserveringest.toml"
}
conf := &MediaserverIngestConfig{
LocalAddr: "localhost:8442",
LogLevel: "DEBUG",
}
if err := LoadMediaserverIngestConfig(cfgFS, cfgFile, conf); err != nil {
log.Fatalf("cannot load toml from [%v] %s: %v", cfgFS, cfgFile, err)
}
// create logger instance
var out io.Writer = os.Stdout
if conf.LogFile != "" {
fp, err := os.OpenFile(conf.LogFile, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0644)
if err != nil {
log.Fatalf("cannot open logfile %s: %v", conf.LogFile, err)
}
defer fp.Close()
out = fp
}
output := zerolog.ConsoleWriter{Out: out, TimeFormat: time.RFC3339}
_logger := zerolog.New(output).With().Timestamp().Logger()
_logger.Level(zLogger.LogLevel(conf.LogLevel))
var logger zLogger.ZLogger = &_logger
clientCert, clientLoader, err := loader.CreateClientLoader(conf.ClientTLS, logger)
if err != nil {
logger.Panic().Msgf("cannot create client loader: %v", err)
}
defer clientLoader.Close()
var dbClientAddr string
if conf.ResolverAddr != "" {
dbClientAddr = grpchelper.GetAddress(mediaserverdbproto.DBController_Ping_FullMethodName)
logger.Info().Msgf("resolver address is %s", conf.ResolverAddr)
miniResolverClient, miniResolverCloser, err := miniresolverClient.CreateClient(conf.ResolverAddr, clientCert)
if err != nil {
logger.Fatal().Msgf("cannot create resolver client: %v", err)
}
defer miniResolverCloser.Close()
grpchelper.RegisterResolver(miniResolverClient, time.Duration(conf.ResolverTimeout), time.Duration(conf.ResolverNotFoundTimeout), logger)
} else {
if _, ok := conf.GRPCClient["mediaserverdb"]; !ok {
logger.Fatal().Msg("no mediaserverdb grpc client defined")
}
dbClientAddr = conf.GRPCClient["mediaserverdb"]
}
dbClient, dbClientConn, err := mediaserverdbClient.CreateClient(dbClientAddr, clientCert)
if err != nil {
logger.Panic().Msgf("cannot create mediaserverdb grpc client: %v", err)
}
defer dbClientConn.Close()
if resp, err := dbClient.Ping(context.Background(), &emptypb.Empty{}); err != nil {
logger.Error().Msgf("cannot ping mediaserverdb: %v", err)
} else {
if resp.GetStatus() != genericproto.ResultStatus_OK {
logger.Error().Msgf("cannot ping mediaserverdb: %v", resp.GetStatus())
} else {
logger.Info().Msgf("mediaserverdb ping response: %s", resp.GetMessage())
}
}
vfs, err := vfsrw.NewFS(conf.VFS, zLogger.NewZWrapper(logger))
if err != nil {
logger.Panic().Err(err).Msg("cannot create vfs")
}
defer func() {
if err := vfs.Close(); err != nil {
logger.Error().Err(err).Msg("cannot close vfs")
}
}()
/*
var src = "vfs://test/ub-reprofiler/mets-container-doi/bau_1/2023/9940561370105504/10_3931_e-rara-20425_20230519T104744_gen6_ver1.zip/10_3931_e-rara-20425/export_mets.xml"
var dst = "vfs://tests3/zhbluzern-test/target/export_mets.xml"
sourceFP, err := vfs.Open(src)
if err != nil {
logger.Fatal().Err(err).Msgf("cannot open source file %s", src)
}
defer sourceFP.Close()
time.Now().Format(time.DateTime)
targetFP, err := vfs.Create(dst)
if err != nil {
logger.Fatal().Err(err).Msgf("cannot create target file %s", dst)
}
defer targetFP.Close()
fi, err := sourceFP.Stat()
if err != nil {
logger.Fatal().Err(err).Msgf("cannot stat %s", src)
}
bar := progressbar.DefaultBytes(
fi.Size(),
"copying",
)
if num, err := io.Copy(io.MultiWriter(bar, targetFP), sourceFP); err != nil {
logger.Fatal().Err(err).Msgf("cannot copy from %s to %s", src, dst)
} else {
logger.Info().Msgf("copied %d bytes from %s to %s", num, src, dst)
}
return
*/
var fss = map[string]fs.FS{"internal": internal.InternalFS}
indexerActions, err := indexer.InitActionDispatcher(fss, *conf.Indexer, zLogger.NewZWrapper(logger))
if err != nil {
logger.Panic().Err(err).Msg("cannot init indexer")
}
ingester, err := ingest.NewIngester(indexerActions, dbClient, vfs, conf.ConcurrentTasks, time.Duration(conf.IngestTimeout), time.Duration(conf.IngestWait), logger)
if err != nil {
logger.Fatal().Err(err).Msg("cannot create ingester")
}
if err := ingester.Start(); err != nil {
logger.Fatal().Err(err).Msg("cannot start ingester")
}
done := make(chan os.Signal, 1)
signal.Notify(done, syscall.SIGINT, syscall.SIGTERM, syscall.SIGKILL)
fmt.Println("press ctrl+c to stop server")
s := <-done
fmt.Println("got signal:", s)
defer ingester.Close()
}