service.go

package systemdconf

import (
	"time"

	"github.com/gentlemanautomaton/systemdconf/unitvalue"
)

// Service describes the properties of a systemd service section.
type Service struct {
	// Service Options

	Type                     string
	RemainAfterExit          unitvalue.Bool
	GuessMainPID             unitvalue.Bool
	PIDFile                  string
	BusName                  string
	ExecStart                []string
	ExecStartPre             []string
	ExecStartPost            []string
	ExecCondition            []string
	ExecReload               []string
	ExecStop                 []string
	ExecStopPost             []string
	RestartInterval          time.Duration
	TimeoutStart             time.Duration
	TimeoutStop              time.Duration
	TimeoutAbort             time.Duration
	Timeout                  time.Duration
	TimeoutStartFailureMode  unitvalue.FailureMode
	TimeoutStopFailureMode   unitvalue.FailureMode
	RuntimeMax               time.Duration
	Watchdog                 time.Duration
	Restart                  unitvalue.Restart
	SuccessExitStatus        []string
	RestartPreventExitStatus []string
	RestartForceExitStatus   []string
	RootDirectoryStartOnly   unitvalue.Bool
	NonBlocking              unitvalue.Bool

	// Kill Options

	KillMode          string
	KillSignal        string
	RestartKillSignal string
	SendSIGHUP        unitvalue.YesNo
	SendSIGKILL       unitvalue.YesNo
	FinalKillSignal   string
	WatchdogSignal    string

	// Environment Options

	Environment      []string
	EnvironmentFiles []string
	PassEnvironment  []string
	UnsetEnvironment []string

	// Execution Options

	WorkingDirectory string
	RootDirectory    string

	// Sandboxing

	ProtectSystem              unitvalue.SystemProtection
	ProtectHome                unitvalue.HomeProtection
	RuntimeDirectories         []string
	StateDirectories           []string
	CacheDirectories           []string
	LogDirectories             []string
	ConfigurationDirectories   []string
	RuntimeDirectoryMode       unitvalue.FileMode
	StateDirectoryMode         unitvalue.FileMode
	CacheDirectoryMode         unitvalue.FileMode
	LogDirectoryMode           unitvalue.FileMode
	ConfigurationDirectoryMode unitvalue.FileMode
}

// SectionName returns "Service" as the name of the configuration section.
func (s Service) SectionName() string {
	return "Service"
}

// Directives returns the systemd directives for the [Service] section.
func (s Service) Directives() Directives {
	var out Directives

	// Service Options
	out.AddOptional("Type", s.Type)
	out.AddOptional("RemainAfterExit", s.RemainAfterExit.Value())
	out.AddOptional("GuessMainPID", s.GuessMainPID.Value())
	out.AddOptional("PIDFile", s.PIDFile)
	out.AddOptional("BusName", s.BusName)
	out.AddMany("ExecStart", s.ExecStart)
	out.AddMany("ExecStartPre", s.ExecStartPre)
	out.AddMany("ExecStartPost", s.ExecStartPost)
	out.AddMany("ExecCondition", s.ExecCondition)
	out.AddMany("ExecReload", s.ExecReload)
	out.AddMany("ExecStop", s.ExecStop)
	out.AddMany("ExecStopPost", s.ExecStopPost)
	if s.RestartInterval > 0 {
		out.Add("RestartSec", s.RestartInterval.String())
	}
	if s.TimeoutStart > 0 {
		out.Add("TimeoutStartSec", s.TimeoutStart.String())
	}
	if s.TimeoutStop > 0 {
		out.Add("TimeoutStopSec", s.TimeoutStop.String())
	}
	if s.TimeoutAbort > 0 {
		out.Add("TimeoutAbortSec", s.TimeoutAbort.String())
	}
	if s.Timeout > 0 {
		out.Add("TimeoutSec", s.Timeout.String())
	}
	out.AddOptional("TimeoutStartFailureMode", s.TimeoutStartFailureMode.Value())
	out.AddOptional("TimeoutStopFailureMode", s.TimeoutStopFailureMode.Value())
	if s.RuntimeMax > 0 {
		out.Add("RuntimeMaxSec", s.RuntimeMax.String())
	}
	if s.Watchdog > 0 {
		out.Add("WatchdogSec", s.Watchdog.String())
	}
	out.AddOptional("Restart", s.Restart.Value())
	out.AddMany("SuccessExitStatus", s.SuccessExitStatus)
	out.AddMany("RestartPreventExitStatus", s.RestartPreventExitStatus)
	out.AddMany("RestartForceExitStatus", s.RestartForceExitStatus)
	out.AddOptional("RootDirectoryStartOnly", s.RootDirectoryStartOnly.Value())
	out.AddOptional("NonBlocking", s.NonBlocking.Value())

	// Kill Options
	out.AddOptional("KillMode", s.KillMode)
	out.AddOptional("KillSignal", s.KillSignal)
	out.AddOptional("RestartKillSignal", s.RestartKillSignal)
	out.AddOptional("SendSIGHUP", s.SendSIGHUP.Value())
	out.AddOptional("SendSIGKILL", s.SendSIGKILL.Value())
	out.AddOptional("FinalKillSignal", s.FinalKillSignal)
	out.AddOptional("WatchdogSignal", s.WatchdogSignal)

	// Environment Options
	out.AddMany("Environment", s.Environment)
	out.AddMany("EnvironmentFile", s.EnvironmentFiles)
	out.AddMany("PassEnvironment", s.PassEnvironment)
	out.AddMany("UnsetEnvironment", s.UnsetEnvironment)

	// Execution Options
	out.AddOptional("WorkingDirectory", s.WorkingDirectory)
	out.AddOptional("RootDirectory", s.RootDirectory)

	// Sandboxing Options
	out.AddOptional("ProtectSystem", s.ProtectSystem.Value())
	out.AddOptional("ProtectHome", s.ProtectHome.Value())
	out.AddMany("RuntimeDirectory", s.RuntimeDirectories)
	out.AddMany("StateDirectory", s.StateDirectories)
	out.AddMany("CacheDirectory", s.CacheDirectories)
	out.AddMany("LogsDirectory", s.LogDirectories)
	out.AddMany("ConfigurationDirectory", s.ConfigurationDirectories)
	out.AddOptional("RuntimeDirectoryMode", s.RuntimeDirectoryMode.Value())
	out.AddOptional("StateDirectoryMode", s.StateDirectoryMode.Value())
	out.AddOptional("CacheDirectoryMode", s.CacheDirectoryMode.Value())
	out.AddOptional("LogsDirectoryMode", s.LogDirectoryMode.Value())
	out.AddOptional("ConfigurationDirectoryMode", s.ConfigurationDirectoryMode.Value())

	return out
}