HighPerformanceMathematics/go-stats-server
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fix: setup also updates binary

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aziis98
2023-12-25 00:26:22 +01:00
parent 8069de0cf8
commit 0a375c0990
1 changed files with 16 additions and 10 deletions
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main.go
+16 -10
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@@ -78,22 +78,25 @@ func handleConnection(conn net.Conn) {
func runCommand(args ...string) error {
cmd := exec.Command(args[0], args[1:]...)
if err := cmd.Run(); err != nil {
return err
if output, err := cmd.CombinedOutput(); err != nil {
return fmt.Errorf("%w: %s", err, output)
}
return nil
}
func setupSystemdService() error {
// copy itself to /usr/bin
if _, err := os.Stat("/usr/local/bin/stats-server"); err == nil {
log.Println("binary already exists in /usr/local/bin, updating...")
}
log.Println("copying itself to /usr/local/bin/stats-server")
if err := runCommand("cp", os.Args[0], "/usr/local/bin/stats-server"); err != nil {
if err := runCommand("cp", "-f", os.Args[0], "/usr/local/bin/stats-server"); err != nil {
return err
}
// write systemd service unit
log.Println("generating /etc/systemd/system/stats-server.service")
log.Println("writing unit to /etc/systemd/system/stats-server.service")
if err := os.WriteFile(
"/etc/systemd/system/stats-server.service",
[]byte(systemdServiceUnit),
@@ -102,15 +105,18 @@ func setupSystemdService() error {
return err
}
// reload systemd
log.Println("running systemctl daemon-reload")
if err := runCommand("systemctl", "daemon-reload"); err != nil {
return err
}
// enable and start the service
log.Println("running systemctl enable --now stats-server.service")
if err := runCommand("systemctl", "enable", "--now", "stats-server.service"); err != nil {
log.Println("running systemctl enable stats-server.service")
if err := runCommand("systemctl", "enable", "stats-server.service"); err != nil {
return err
}
log.Println("running systemctl (re)start stats-server.service")
if err := runCommand("systemctl", "restart", "stats-server.service"); err != nil {
return err
}