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105 lines
2.7 KiB
105 lines
2.7 KiB
//go:generate go run -mod=vendor git.rootprojects.org/root/go-gitver
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package main
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import (
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"flag"
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"fmt"
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"log"
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"os"
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"path/filepath"
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"strings"
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"time"
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"git.rootprojects.org/root/go-serviceman/installer"
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)
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var GitRev = "000000000"
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var GitVersion = "v0.0.0"
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var GitTimestamp = time.Now().Format(time.RFC3339)
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func main() {
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conf := &installer.Config{
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Restart: true,
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}
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args := []string{}
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for i := range os.Args {
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if "--" == os.Args[i] {
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if len(os.Args) > i+1 {
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args = os.Args[i+1:]
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}
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os.Args = os.Args[:i]
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break
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}
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}
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conf.Argv = args
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conf.Args = strings.Join(conf.Argv, " ")
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forUser := false
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forSystem := false
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flag.StringVar(&conf.Title, "title", "", "a human-friendly name for the service")
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flag.StringVar(&conf.Desc, "desc", "", "a human-friendly description of the service (ex: Foo App)")
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flag.StringVar(&conf.Name, "name", "", "a computer-friendly name for the service (ex: foo-app)")
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flag.StringVar(&conf.URL, "url", "", "the documentation on home page of the service")
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flag.StringVar(&conf.ReverseDNS, "rdns", "", "a plist-friendly Reverse DNS name for launchctl (ex: com.example.foo-app)")
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flag.BoolVar(&forSystem, "system", false, "attempt to install system service as an unprivileged/unelevated user")
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flag.BoolVar(&forUser, "user", false, "install user space / user mode service even when admin/root/sudo/elevated")
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flag.StringVar(&conf.User, "username", "", "run the service as this user")
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flag.StringVar(&conf.Group, "groupname", "", "run the service as this group")
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flag.BoolVar(&conf.PrivilegedPorts, "cap-net-bind", false, "this service should have access to privileged ports")
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flag.Parse()
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args = flag.Args()
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if forUser && forSystem {
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fmt.Println("Pfff! You can't --user AND --system! What are you trying to pull?")
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os.Exit(1)
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}
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if forUser {
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conf.System = false
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} else if forSystem {
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conf.System = true
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} else {
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conf.System = installer.IsPrivileged()
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}
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n := len(args)
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if 0 == n {
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fmt.Println("Usage: serviceman install ./foo-app -- --foo-arg")
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os.Exit(1)
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}
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execpath, err := installer.WhereIs(args[0])
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if nil != err {
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fmt.Fprintf(os.Stderr, "Error: '%s' could not be found.", args[0])
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os.Exit(1)
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}
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args[0] = execpath
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conf.Exec = args[0]
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args = args[1:]
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if n >= 2 {
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conf.Interpreter = conf.Exec
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conf.Exec = args[0]
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conf.Argv = append(args[1:], conf.Argv...)
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}
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if "" == conf.Name {
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ext := filepath.Ext(conf.Exec)
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base := filepath.Base(conf.Exec[:len(conf.Exec)-len(ext)])
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conf.Name = strings.ToLower(base)
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}
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if "" == conf.Title {
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conf.Title = conf.Name
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}
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if "" == conf.ReverseDNS {
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conf.ReverseDNS = "com.example." + conf.Name
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}
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fmt.Printf("\n%#v\n\n", conf)
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err = installer.Install(conf)
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if nil != err {
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log.Fatal(err)
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}
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}
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