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|
package main
import (
"context"
"flag"
"fmt"
"os"
"os/signal"
"runtime/pprof"
"sync"
"badc0de.net/pkg/flagutil"
"github.com/getsentry/sentry-go"
"go.alanpearce.eu/searchix/internal/config"
"go.alanpearce.eu/searchix/internal/importer"
"go.alanpearce.eu/searchix/internal/index"
"go.alanpearce.eu/searchix/web"
"go.alanpearce.eu/x/log"
)
var (
configFile = flag.String("config", "config.toml", "config `file` to use")
printDefaultConfig = flag.Bool(
"print-default-config",
false,
"print default configuration and exit",
)
dev = flag.Bool("dev", false, "enable live reloading and nicer logging")
replace = flag.Bool("replace", false, "replace existing index and exit")
version = flag.Bool("version", false, "print version information")
cpuprofile = flag.String("cpuprofile", "", "enable CPU profiling and save to `file`")
)
func main() {
flagutil.Parse()
if *version {
_, err := fmt.Fprintf(os.Stderr, "searchix %s\n", config.Version)
if err != nil {
panic("can't write to standard error?!")
}
os.Exit(0)
}
if *printDefaultConfig {
_, err := fmt.Print(config.GetDefaultConfig())
if err != nil {
panic("can't write to standard output?!")
}
os.Exit(0)
}
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
panic("can't create CPU profile: " + err.Error())
}
err = pprof.StartCPUProfile(f)
if err != nil {
panic("can't start CPU profile: " + err.Error())
}
defer pprof.StopCPUProfile()
}
logger := log.Configure(!*dev)
cfg, err := config.GetConfig(*configFile, logger)
if err != nil {
logger.Fatal("Failed to parse config file", "error", err)
}
log.SetLevel(cfg.LogLevel)
ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt)
defer cancel()
read, write, exists, err := index.OpenOrCreate(
cfg.DataPath,
*replace,
&index.Options{
LowMemory: cfg.Importer.LowMemory,
Logger: logger.Named("index"),
},
)
if err != nil {
logger.Fatal("Failed to open or create index", "error", err)
}
s, err := web.New(cfg, logger, read)
if err != nil {
logger.Fatal("Failed to initialise searchix-web", "error", err)
}
imp, err := importer.New(cfg, &importer.Options{
WriteIndex: write,
LowMemory: cfg.Importer.LowMemory,
Logger: logger.Named("importer"),
})
if err != nil {
logger.Fatal("Failed to create importer", "error", err)
}
if !exists || *replace {
err := imp.Start(ctx, true, nil)
if err != nil {
logger.Fatal("Failed to start importer", "error", err)
}
return
}
err = imp.EnsureSourcesIndexed(ctx, read)
if err != nil {
logger.Fatal("Failed to setup index", "error", err)
}
wg := &sync.WaitGroup{}
wg.Add(1)
go func() {
defer wg.Done()
err := s.Start(*dev)
if err != nil {
// Error starting or closing listener:
logger.Fatal("error", "error", err)
}
}()
wg.Add(1)
go func() {
defer wg.Done()
imp.StartUpdateTimer(ctx, sentry.CurrentHub().Clone())
}()
<-ctx.Done()
logger.Debug("calling stop")
s.Stop()
wg.Wait()
logger.Debug("done")
}
|