package redis
import (
"context"
"time"
"github.com/redis/go-redis/v9"
)
const (
systemGlobalLockKey = "system:global_lock"
type (
RedisPoolOpts struct {
DSN string
MinIdleConns int
}
RedisPool struct {
Client *redis.Client
// NewRedisPool creates a reusable connection across the cic-custodial componenent.
// Note: Each db namespace requires its own connection pool.
func NewRedisPool(ctx context.Context, o RedisPoolOpts) (*RedisPool, error) {
redisOpts, err := redis.ParseURL(o.DSN)
if err != nil {
return nil, err
redisOpts.MinIdleConns = o.MinIdleConns
redisClient := redis.NewClient(redisOpts)
ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
defer cancel()
if err := redisClient.SetNX(ctx, systemGlobalLockKey, false, 0).Err(); err != nil {
return &RedisPool{
Client: redisClient,
}, nil
// Interface adapter for asynq to resuse the same Redis connection pool.
func (r *RedisPool) MakeRedisClient() interface{} {
return r.Client