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840f3230a2
Continuation of 79c3c16dcb. Systemd 229
sets the default RLIMIT_CORE to infinity, causing systems to be
littered with core dumps when systemd.coredump.enable is disabled.
This restores the 15.09 soft limit of 0 and hard limit of infinity.
62 lines
1.5 KiB
Nix
62 lines
1.5 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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{
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options = {
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systemd.coredump = {
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enable = mkOption {
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default = false;
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type = types.bool;
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description = ''
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Enables storing core dumps in systemd.
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Note that this alone is not enough to enable core dumps. The maximum
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file size for core dumps must be specified in limits.conf as well. See
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<option>security.pam.loginLimits</option> as well as the limits.conf(5)
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man page.
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'';
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};
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extraConfig = mkOption {
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default = "";
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type = types.lines;
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example = "Storage=journal";
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description = ''
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Extra config options for systemd-coredump. See coredump.conf(5) man page
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for available options.
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'';
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};
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};
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};
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config = mkMerge [
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(mkIf config.systemd.coredump.enable {
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environment.etc."systemd/coredump.conf".text =
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''
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[Coredump]
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${config.systemd.coredump.extraConfig}
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'';
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# Have the kernel pass core dumps to systemd's coredump helper binary.
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# From systemd's 50-coredump.conf file. See:
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# <https://github.com/systemd/systemd/blob/v218/sysctl.d/50-coredump.conf.in>
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boot.kernel.sysctl."kernel.core_pattern" = "|${pkgs.systemd}/lib/systemd/systemd-coredump %p %u %g %s %t %e";
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})
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(mkIf (!config.systemd.coredump.enable) {
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boot.kernel.sysctl."kernel.core_pattern" = mkDefault "core";
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systemd.extraConfig =
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''
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DefaultLimitCORE=0:infinity
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'';
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})
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];
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}
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