mirror of https://github.com/hashicorp/consul
24 lines
745 B
Go
24 lines
745 B
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package config
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import (
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"fmt"
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)
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// checkLimitsFromMaxConnsPerClient check that value provided might be OK
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// return an error if values are not compatible
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func checkLimitsFromMaxConnsPerClient(maxConnsPerClient int) error {
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maxFds, err := getrlimit()
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if err == nil && maxConnsPerClient > 0 {
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// We need the list port + a few at the minimum
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// On Mac OS, 20 FDs are open by Consul without doing anything
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requiredFds := uint64(maxConnsPerClient + 20)
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if maxFds < requiredFds {
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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)
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}
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}
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return err
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}
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