85 lines
2.4 KiB
Go
85 lines
2.4 KiB
Go
//go:build linux
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package home
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import (
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"github.com/AdguardTeam/AdGuardHome/internal/aghos"
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"github.com/kardianos/service"
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)
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// chooseSystem checks the current system detected and substitutes it with local
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// implementation if needed.
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func chooseSystem() {
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sys := service.ChosenSystem()
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// By default, package service uses the SysV system if it cannot detect
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// anything other, but the update-rc.d fix should not be applied on OpenWrt,
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// so exclude it explicitly.
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//
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// See https://github.com/AdguardTeam/AdGuardHome/issues/4480 and
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// https://github.com/AdguardTeam/AdGuardHome/issues/4677.
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if sys.String() == "unix-systemv" && !aghos.IsOpenWrt() {
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service.ChooseSystem(sysvSystem{System: sys})
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}
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}
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// sysvSystem is a wrapper for service.System that wraps the service.Service
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// while creating a new one.
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//
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// TODO(e.burkov): File a PR to github.com/kardianos/service.
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type sysvSystem struct {
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// System is expected to have an unexported type
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// *service.linuxSystemService.
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service.System
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}
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// New returns a wrapped service.Service.
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func (sys sysvSystem) New(i service.Interface, c *service.Config) (s service.Service, err error) {
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s, err = sys.System.New(i, c)
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if err != nil {
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return s, err
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}
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return sysvService{
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Service: s,
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name: c.Name,
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}, nil
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}
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// sysvService is a wrapper for a service.Service that also calls update-rc.d in
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// a proper way on installing and uninstalling.
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type sysvService struct {
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// Service is expected to have an unexported type *service.sysv.
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service.Service
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// name stores the name of the service to call updating script with it.
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name string
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}
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// Install wraps service.Service.Install call with calling the updating script.
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func (svc sysvService) Install() (err error) {
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err = svc.Service.Install()
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if err != nil {
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// Don't wrap an error since it's informative enough as is.
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return err
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}
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_, _, err = aghos.RunCommand("update-rc.d", svc.name, "defaults")
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// Don't wrap an error since it's informative enough as is.
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return err
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}
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// Uninstall wraps service.Service.Uninstall call with calling the updating
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// script.
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func (svc sysvService) Uninstall() (err error) {
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err = svc.Service.Uninstall()
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if err != nil {
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// Don't wrap an error since it's informative enough as is.
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return err
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}
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_, _, err = aghos.RunCommand("update-rc.d", svc.name, "remove")
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// Don't wrap an error since it's informative enough as is.
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return err
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}
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