From a1c091bc7f8b6d1a8d28b47d8cf22068608051ef Mon Sep 17 00:00:00 2001 From: Simon Backx <simonbbackx@gmail.com> Date: Sun, 7 Jun 2020 20:51:47 +0200 Subject: [PATCH] Added LimitNOFILE option in systemd configuration (#94) Co-authored-by: Daniel Theophanes <kardianos@gmail.com> --- service.go | 5 +++++ service_systemd_linux.go | 3 +++ 2 files changed, 8 insertions(+) diff --git a/service.go b/service.go index 94f271e4..7040a602 100644 --- a/service.go +++ b/service.go @@ -83,6 +83,8 @@ const ( optionRunWait = "RunWait" optionReloadSignal = "ReloadSignal" optionPIDFile = "PIDFile" + optionLimitNOFILE = "LimitNOFILE" + optionLimitNOFILEDefault = -1 // -1 = don't set in configuration optionRestart = "Restart" optionSuccessExitStatus = "SuccessExitStatus" @@ -147,6 +149,9 @@ type Config struct { // - Restart string (always) - How shall service be restarted. // - SuccessExitStatus string () - The list of exit status that shall be considered as successful, // in addition to the default ones. + // * Linux (systemd) + // - LimitNOFILE int - Maximum open files (ulimit -n) (https://serverfault.com/questions/628610/increasing-nproc-for-processes-launched-by-systemd-on-centos-7) + Option KeyValue } diff --git a/service_systemd_linux.go b/service_systemd_linux.go index 88cbf9f0..3ce78bf5 100644 --- a/service_systemd_linux.go +++ b/service_systemd_linux.go @@ -156,6 +156,7 @@ func (s *systemd) Install() error { HasOutputFileSupport bool ReloadSignal string PIDFile string + LimitNOFILE int Restart string SuccessExitStatus string LogOutput bool @@ -165,6 +166,7 @@ func (s *systemd) Install() error { s.hasOutputFileSupport(), s.Option.string(optionReloadSignal, ""), s.Option.string(optionPIDFile, ""), + s.Option.int(optionLimitNOFILE, optionLimitNOFILEDefault), s.Option.string(optionRestart, "always"), s.Option.string(optionSuccessExitStatus, ""), s.Option.bool(optionLogOutput, optionLogOutputDefault), @@ -288,6 +290,7 @@ ExecStart={{.Path|cmdEscape}}{{range .Arguments}} {{.|cmd}}{{end}} StandardOutput=file:/var/log/{{.Name}}.out StandardError=file:/var/log/{{.Name}}.err {{- end}} +{{if gt .LimitNOFILE -1 }}LimitNOFILE={{.LimitNOFILE}}{{end}} {{if .Restart}}Restart={{.Restart}}{{end}} {{if .SuccessExitStatus}}SuccessExitStatus={{.SuccessExitStatus}}{{end}} RestartSec=120