func acquireLock(client *redis.Client) bool {
_, err := client.Watch(DIST_LOCK)
if err != nil {
log.Fatalf("Error watching distributed lock key. ERR: %+v", err)
return false
}
value, err := client.Get(DIST_LOCK).Int64()
if err != nil {
log.Fatalf("Error getting distributed lock key. ERR: %+v", err)
return false
}
if value == ACQUIRED {
return false
}
multi := client.Multi()
_, err = multi.Exec(func() error {
err := multi.Set(DIST_LOCK, ACQUIRED, 0).Err()
if err != nil {
log.Fatalf("Error setting distributed lock key. ERR: %+v", err)
return err
}
return nil
})
if err != nil {
log.Fatalf("Error executing the set distributed lock key. ERR: %+v", err)
return false
}
return true
}
