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package main
import (
"flag"
"os"
"demo/internal/conf"
"github.com/go-kratos/kratos/v2"
"github.com/go-kratos/kratos/v2/config"
"github.com/go-kratos/kratos/v2/config/file"
"github.com/go-kratos/kratos/v2/log"
"github.com/go-kratos/kratos/v2/middleware/tracing"
"github.com/go-kratos/kratos/v2/transport/http"
_ "go.uber.org/automaxprocs"
)
// go build -ldflags "-X main.Version=x.y.z"
var (
// Name is the name of the compiled software.
Name string
// Version is the version of the compiled software.
Version string
// flagconf is the config flag.
flagconf string
id, _ = os.Hostname()
)
func init() {
flag.StringVar(&flagconf, "conf", "./configs", "config path, eg: -conf config.yaml")
}
func newApp(logger log.Logger, hs *http.Server) *kratos.App {
return kratos.New(
kratos.ID(id),
kratos.Name(Name),
kratos.Version(Version),
kratos.Metadata(map[string]string{}),
kratos.Logger(logger),
kratos.Server(
hs,
),
)
}
func main() {
flag.Parse()
logger := log.With(log.NewStdLogger(os.Stdout),
"ts", log.DefaultTimestamp,
"caller", log.DefaultCaller,
"service.id", id,
"service.name", Name,
"service.version", Version,
"trace.id", tracing.TraceID(),
"span.id", tracing.SpanID(),
)
c := config.New(
config.WithSource(
file.NewSource(flagconf),
),
)
defer c.Close()
if err := c.Load(); err != nil {
panic(err)
}
var bc conf.Bootstrap
if err := c.Scan(&bc); err != nil {
panic(err)
}
app, cleanup, err := wireApp(bc.Server, bc.Data, logger)
if err != nil {
panic(err)
}
defer cleanup()
// start and wait for stop signal
if err := app.Run(); err != nil {
panic(err)
}
}