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feat: Add TryRestartService() #19

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merged 1 commit into from
Aug 22, 2024
Merged

feat: Add TryRestartService() #19

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18 changes: 18 additions & 0 deletions sys/systemd-dbus.go
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ import (
"github.com/sirupsen/logrus"
)

// RestartService restarts a service. If the service isn't already running it will be started.
func RestartService(unit string) error {
ctx := context.Background()
conn, err := dbus.NewWithContext(ctx)
Expand All @@ -21,3 +22,20 @@ func RestartService(unit string) error {
}
return nil
}

// TryRestartService will restart a service, but only if it's currently running.
// A service that isn't running won't be affected.
func TryRestartService(unit string) error {
ctx := context.Background()
conn, err := dbus.NewWithContext(ctx)
if err != nil {
logrus.Errorf("Failed to create new connection for systemd. err: %v", err)
return err
}
responseChan := make(chan string, 1)
if _, err := conn.TryRestartUnitContext(ctx, unit, "fail", responseChan); err != nil {
logrus.Errorf("Failed to restart service %s. err: %v", unit, err)
return err
}
return nil
}
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