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https://github.com/christianselig/apollo-backend
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change locking around
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parent
83fb4cdcc7
commit
3d8492e757
2 changed files with 21 additions and 4 deletions
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@ -158,14 +158,23 @@ func enqueueAccounts(ctx context.Context, logger *logrus.Logger, pool *pgxpool.P
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skipped := 0
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for _, id := range ids {
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payload := fmt.Sprintf("%d", id)
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if _, err := redisConn.HGet(ctx, "locks:accounts", payload).Result(); err != redis.Nil {
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lockKey := fmt.Sprintf("locks:accounts:%s", payload)
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_, err := redisConn.Get(ctx, lockKey).Result()
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if err == nil || err == redis.Nil {
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skipped++
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continue
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} else {
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logger.WithFields(logrus.Fields{
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"lockKey": lockKey,
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"err": err,
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}).Error("failed to check for account lock")
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}
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if err := redisConn.HSet(ctx, "locks:accounts", payload, true).Err(); err != nil {
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if err := redisConn.SetEX(ctx, lockKey, true, 60*time.Second).Err(); err != nil {
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logger.WithFields(logrus.Fields{
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"err": err,
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"lockKey": lockKey,
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"err": err,
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}).Error("failed to lock account")
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}
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@ -185,7 +185,13 @@ func (c *Consumer) Consume(delivery rmq.Delivery) {
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ctx := context.Background()
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defer func() {
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c.redis.HDel(ctx, "locks:accounts", delivery.Payload()).Err()
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lockKey := fmt.Sprintf("locks:accounts:%s", delivery.Payload())
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if err := c.redis.Del(ctx, lockKey).Err(); err != nil {
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c.logger.WithFields(logrus.Fields{
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"lockKey": lockKey,
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"err": err,
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}).Error("failed to remove lock")
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}
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}()
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c.logger.WithFields(logrus.Fields{
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@ -207,6 +213,7 @@ func (c *Consumer) Consume(delivery rmq.Delivery) {
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stmt := `SELECT
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id,
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username,
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access_token,
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refresh_token,
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expires_at,
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@ -217,6 +224,7 @@ func (c *Consumer) Consume(delivery rmq.Delivery) {
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account := &data.Account{}
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if err := c.pool.QueryRow(ctx, stmt, id).Scan(
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&account.ID,
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&account.Username,
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&account.AccessToken,
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&account.RefreshToken,
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&account.ExpiresAt,
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