Files
go-omni/examples/reference/main.go

101 lines
3.0 KiB
Go

package main
import (
"context"
"os"
"os/signal"
"strings"
"syscall"
"git.yuntuo.hk/k2safe/go-omni"
"git.yuntuo.hk/k2safe/go-omni/auth"
"git.yuntuo.hk/k2safe/go-omni/database"
"git.yuntuo.hk/k2safe/go-omni/examples/reference/handler"
"git.yuntuo.hk/k2safe/go-omni/examples/reference/repository"
"git.yuntuo.hk/k2safe/go-omni/examples/reference/service"
"git.yuntuo.hk/k2safe/go-omni/logx"
_ "github.com/go-sql-driver/mysql"
)
func newApp(users service.UserRepository, logger *logx.Logger, options ...omni.Option) *omni.App {
application := omni.New(options...)
application.GET("/health", func(ctx *omni.Context) error {
return ctx.OK(map[string]string{"status": "ok"})
})
api := application.Group("/api/v1", handler.RequestLog(logger))
handler.NewUsers(service.NewUsers(users)).RegisterRoutes(api, nil, nil)
return application
}
func newProtectedApp(users service.UserRepository, logger *logx.Logger, authenticator auth.Authenticator, options ...omni.Option) *omni.App {
application := omni.New(options...)
application.GET("/health", func(ctx *omni.Context) error {
return ctx.OK(map[string]string{"status": "ok"})
})
api := application.Group("/api/v1", handler.RequestLog(logger))
write := auth.RequireAuth(authenticator)
delete := auth.RequireRole("admin")
handler.NewUsers(service.NewUsers(users)).RegisterRoutes(api, write, delete)
return application
}
func main() {
logger, err := logx.New(logx.Config{
Service: "reference-api",
Environment: "local",
Format: "json",
Writer: os.Stdout,
})
if err != nil {
os.Exit(1)
}
defer logger.Close()
ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
defer stop()
users, closeStorage, storage, err := openUsers(ctx, logger)
if err != nil {
logger.Error("storage initialization failed", "error", err)
os.Exit(1)
}
defer func() {
if err := closeStorage(); err != nil {
logger.Error("storage close failed", "error", err)
}
}()
devToken := strings.TrimSpace(os.Getenv("GO_OMNI_DEV_TOKEN"))
if devToken == "" {
devToken = "dev-token"
}
authenticator := auth.StaticAuthenticator{
devToken: {UserID: "dev-user", Roles: []string{"admin"}},
}
application := newProtectedApp(users, logger, authenticator)
address := os.Getenv("GO_OMNI_ADDR")
if address == "" {
address = "127.0.0.1:8080"
}
logger.Info("starting reference API", "address", address, "storage", storage)
if err := application.RunContext(ctx, address); err != nil {
logger.Error("server stopped", "error", err)
os.Exit(1)
}
}
func openUsers(ctx context.Context, logger *logx.Logger) (service.UserRepository, func() error, string, error) {
if strings.TrimSpace(os.Getenv("GO_OMNI_DB_DSN")) == "" {
return repository.NewMemoryUsers(), func() error { return nil }, "memory", nil
}
cfg, err := database.ConfigFromEnv("GO_OMNI_DB_")
if err != nil {
return nil, nil, "", err
}
db, err := database.Open(ctx, cfg)
if err != nil {
return nil, nil, "", err
}
return repository.NewMySQLUsers(db.DB), db.Close, "mysql", nil
}