cic-custodial/cmd/main.go
Mohammed Sohail 611addbf64
feat: add service mode flags, other refactors
* closes #32
* bin can now run in full (default), tasker, api mode
* move logg bootstrpping earlier
* config file loading via flag
* rename service to main
* graceful shutdown now in main and dependant on mode
2022-12-01 14:29:34 +00:00

123 lines
2.8 KiB
Go

package main
import (
"context"
"flag"
"os"
"os/signal"
"strings"
"sync"
"syscall"
"github.com/bsm/redislock"
celo "github.com/grassrootseconomics/cic-celo-sdk"
"github.com/grassrootseconomics/cic-custodial/internal/keystore"
"github.com/grassrootseconomics/cic-custodial/internal/nonce"
"github.com/grassrootseconomics/cic-custodial/internal/tasker"
"github.com/grassrootseconomics/cic-custodial/pkg/redis"
"github.com/jackc/pgx/v5/pgxpool"
"github.com/knadh/koanf"
"github.com/labstack/echo/v4"
"github.com/zerodha/logf"
)
var (
confFlag string
debugFlag bool
taskerModeFlag bool
apiModeFlag bool
asynqRedisPool *redis.RedisPool
celoProvider *celo.Provider
commonRedisPool *redis.RedisPool
lo logf.Logger
lockProvider *redislock.Client
ko *koanf.Koanf
postgresPool *pgxpool.Pool
postgresKeystore keystore.Keystore
redisNoncestore nonce.Noncestore
system *tasker.SystemContainer
taskerClient *tasker.TaskerClient
)
func init() {
flag.StringVar(&confFlag, "config", "config.toml", "Config file location")
flag.BoolVar(&debugFlag, "log", false, "Enable debug logging")
flag.BoolVar(&taskerModeFlag, "tasker", true, "Start tasker")
flag.BoolVar(&apiModeFlag, "api", true, "Start API server")
flag.Parse()
lo = initLogger(debugFlag)
ko = initConfig(confFlag)
celoProvider = initCeloProvider()
postgresPool = initPostgresPool()
postgresKeystore = initKeystore()
asynqRedisPool = initAsynqRedisPool()
commonRedisPool = initCommonRedisPool()
redisNoncestore = initRedisNoncestore()
lockProvider = initLockProvider()
taskerClient = initTaskerClient()
system = initSystemContainer()
}
func main() {
var (
tasker *tasker.TaskerServer
apiServer *echo.Echo
wg sync.WaitGroup
)
ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
defer stop()
if apiModeFlag {
apiServer = initApiServer()
wg.Add(1)
go func() {
defer wg.Done()
lo.Info("Starting API server")
if err := apiServer.Start(ko.MustString("service.address")); err != nil {
if strings.Contains(err.Error(), "Server closed") {
lo.Info("Shutting down server")
} else {
lo.Fatal("Could not start api server", "err", err)
}
}
}()
}
if taskerModeFlag {
tasker = initTasker()
wg.Add(1)
go func() {
defer wg.Done()
lo.Info("Starting tasker")
if err := tasker.Start(); err != nil {
lo.Fatal("Could not start task server", "err", err)
}
}()
}
<-ctx.Done()
lo.Info("Graceful shutdown triggered")
if taskerModeFlag {
lo.Debug("Stopping tasker")
tasker.Stop()
}
if apiModeFlag {
lo.Debug("Stopping api server")
if err := apiServer.Shutdown(ctx); err != nil {
lo.Error("Could not gracefully shutdown api server", "err", err)
}
}
wg.Wait()
}