open-consul/agent/config/agent_limits.go
Ronald dd0e8eec14
copyright headers for agent folder (#16704)
* copyright headers for agent folder

* Ignore test data files

* fix proto files and remove headers in agent/uiserver folder

* ignore deep-copy files
2023-03-28 14:39:22 -04:00

24 lines
745 B
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package config
import (
"fmt"
)
// checkLimitsFromMaxConnsPerClient check that value provided might be OK
// return an error if values are not compatible
func checkLimitsFromMaxConnsPerClient(maxConnsPerClient int) error {
maxFds, err := getrlimit()
if err == nil && maxConnsPerClient > 0 {
// We need the list port + a few at the minimum
// On Mac OS, 20 FDs are open by Consul without doing anything
requiredFds := uint64(maxConnsPerClient + 20)
if maxFds < requiredFds {
return fmt.Errorf("system allows a max of %d file descriptors, but limits.http_max_conns_per_client: %d needs at least %d", maxFds, maxConnsPerClient, requiredFds)
}
}
return err
}