Initial support for aix and solaris (#194)
* initial support for aix and solaris * support for aix & solaris - missing changes
This commit is contained in:
chbuescher
committed by
Daniel Theophanes
Daniel Theophanes
parent
6b582019e8
commit
7c2e4f75a4
@@ -0,0 +1,308 @@
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// Copyright 2015 Daniel Theophanes.
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// Use of this source code is governed by a zlib-style
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// license that can be found in the LICENSE file.
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package service
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import (
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"bytes"
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"encoding/xml"
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"fmt"
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"os"
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"os/signal"
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"regexp"
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"syscall"
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"text/template"
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"time"
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)
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const maxPathSize = 32 * 1024
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const version = "solaris-smf"
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type solarisSystem struct{}
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func (solarisSystem) String() string {
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return version
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}
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func (solarisSystem) Detect() bool {
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return true
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}
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func (solarisSystem) Interactive() bool {
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return interactive
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}
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func (solarisSystem) New(i Interface, c *Config) (Service, error) {
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s := &solarisService{
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i: i,
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Config: c,
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Prefix: c.Option.string(optionPrefix, optionPrefixDefault),
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}
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return s, nil
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}
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func init() {
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ChooseSystem(solarisSystem{})
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}
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var interactive = false
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func init() {
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var err error
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interactive, err = isInteractive()
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if err != nil {
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panic(err)
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}
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}
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func isInteractive() (bool, error) {
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// The PPid of a service process be 1 / init.
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return os.Getppid() != 1, nil
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}
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type solarisService struct {
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i Interface
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*Config
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Prefix string
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}
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func (s *solarisService) String() string {
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if len(s.DisplayName) > 0 {
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return s.DisplayName
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}
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return s.Name
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}
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func (s *solarisService) Platform() string {
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return version
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}
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func (s *solarisService) template() *template.Template {
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functions := template.FuncMap{
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"bool": func(v bool) string {
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if v {
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return "true"
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}
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return "false"
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},
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}
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customConfig := s.Option.string(optionSysvScript, "")
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if customConfig != "" {
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return template.Must(template.New("").Funcs(functions).Parse(customConfig))
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} else {
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return template.Must(template.New("").Funcs(functions).Parse(manifest))
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}
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}
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func (s *solarisService) configPath() (string, error) {
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return "/lib/svc/manifest/" + s.Prefix + "/" + s.Config.Name + ".xml", nil
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}
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func (s *solarisService) getFMRI() string {
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return "svc:/" + s.Prefix + "/" + s.Config.Name + ":default"
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}
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func (s *solarisService) Install() error {
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// write start script
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confPath, err := s.configPath()
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if err != nil {
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return err
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}
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_, err = os.Stat(confPath)
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if err == nil {
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return fmt.Errorf("Manifest already exists: %s", confPath)
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}
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f, err := os.Create(confPath)
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if err != nil {
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return err
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}
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defer f.Close()
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path, err := s.execPath()
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if err != nil {
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return err
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}
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Display := ""
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escaped := &bytes.Buffer{}
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if err := xml.EscapeText(escaped, []byte(s.DisplayName)); err == nil {
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Display = escaped.String()
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}
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var to = &struct {
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*Config
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Prefix string
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Display string
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Path string
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}{
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s.Config,
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s.Prefix,
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Display,
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path,
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}
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err = s.template().Execute(f, to)
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if err != nil {
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return err
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}
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// import service
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err = run("svcadm", "restart", "manifest-import" )
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if err != nil {
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return err
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}
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return nil
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}
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func (s *solarisService) Uninstall() error {
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s.Stop()
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confPath, err := s.configPath()
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if err != nil {
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return err
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}
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err = os.Remove(confPath)
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if err != nil {
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return err
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}
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// unregister service
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err = run("svcadm", "restart", "manifest-import" )
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if err != nil {
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return err
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}
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return nil
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}
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func (s *solarisService) Status() (Status, error) {
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fmri := s.getFMRI()
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exitCode, out, err := runWithOutput("svcs", fmri)
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if exitCode != 0 {
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return StatusUnknown, ErrNotInstalled
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}
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re := regexp.MustCompile(`(degraded|disabled|legacy_run|maintenance|offline|online)\s+\w+` + fmri)
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matches := re.FindStringSubmatch(out)
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if len(matches) == 2 {
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status := string(matches[1])
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if status == "online" {
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return StatusRunning, nil
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} else {
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return StatusStopped, nil
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}
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}
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return StatusUnknown, err
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}
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func (s *solarisService) Start() error {
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return run("/usr/sbin/svcadm", "enable", s.getFMRI())
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}
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func (s *solarisService) Stop() error {
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return run("/usr/sbin/svcadm", "disable", s.getFMRI())
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}
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func (s *solarisService) Restart() error {
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err := s.Stop()
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if err != nil {
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return err
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}
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time.Sleep(50 * time.Millisecond)
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return s.Start()
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}
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func (s *solarisService) Run() error {
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var err error
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err = s.i.Start(s)
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if err != nil {
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return err
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}
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s.Option.funcSingle(optionRunWait, func() {
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var sigChan = make(chan os.Signal, 3)
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signal.Notify(sigChan, syscall.SIGTERM, os.Interrupt)
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<-sigChan
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})()
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return s.i.Stop(s)
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}
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func (s *solarisService) Logger(errs chan<- error) (Logger, error) {
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if interactive {
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return ConsoleLogger, nil
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}
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return s.SystemLogger(errs)
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}
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func (s *solarisService) SystemLogger(errs chan<- error) (Logger, error) {
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return newSysLogger(s.Name, errs)
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}
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var manifest = `<?xml version="1.0"?>
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<!DOCTYPE service_bundle SYSTEM "/usr/share/lib/xml/dtd/service_bundle.dtd.1">
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<service_bundle type='manifest' name='golang-{{.Name}}'>
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<service
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name='{{.Prefix}}/{{.Name}}'
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type='service'
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version='1'>
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<create_default_instance enabled='false' />
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<single_instance />
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<!--
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Wait for network interfaces to be initialized.
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-->
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<dependency name='network'
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grouping='require_all'
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restart_on='restart'
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type='service'>
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<service_fmri value='svc:/milestone/network:default'/>
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</dependency>
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<!--
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Wait for all local filesystems to be mounted.
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-->
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<dependency name='filesystem-local'
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grouping='require_all'
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restart_on='none'
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type='service'>
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<service_fmri
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value='svc:/system/filesystem/local:default'/>
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</dependency>
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<exec_method
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type='method'
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name='start'
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exec='bash -c {{.Path}} &'
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timeout_seconds='10' />
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<exec_method
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type='method'
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name='stop'
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exec='pkill -TERM -f {{.Path}}'
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timeout_seconds='60' />
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<!--
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<property_group name='startd' type='framework'>
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<propval name='duration' type='astring' value='transient' />
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</property_group>
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-->
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<stability value='Unstable' />
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<template>
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<common_name>
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<loctext xml:lang='C'>
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{{.Display}}
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</loctext>
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</common_name>
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</template>
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</service>
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</service_bundle>
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`
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