Beispiel #1
0
// Resolve dependencies in a dependency list
// Resolves dependencies in order they occured originally
func (d *DependencyList) Resolve() error {
	if d == nil {
		log.Debug("No dependencies to resolve")
		return nil
	}

	log.Debug("Resolving dependencies")

	errs := make([]string, 0)

	for _, dep := range d.Dependencies {
		log.Debug("Resolving module dependency: %s", dep)
		if err := dep.Resolve(d.Parent); err != nil {
			log.Error("Error resolving module dependencies [%s]: %s", dep, err)
			errs = append(errs, dep.String())
			break
		}
	}

	if len(errs) > 0 {
		log.Error("Failed to find dependencies:")
		for _, err := range errs {
			log.Error("=> %s", err)
		}
		return errors.New("Failed to find dependencies")
	}

	return nil
}
Beispiel #2
0
func ParseCPANLines(lines []string) (*CPANFile, error) {
	cpanfile := &CPANFile{}

	for _, l := range lines {
		if len(l) == 0 {
			continue
		}

		log.Trace("Parsing line: %s", l)
		dep, err := ParseCPANLine(l)

		if err != nil {
			log.Error("=> Error parsing line: %s", err)
			continue
		}

		if dep != nil {
			log.Info("=> Found dependency: %s", dep)
			cpanfile.AddDependency(dep)
			continue
		}

		log.Trace("=> No error and no dependency found")
	}

	log.Info("Found %d dependencies in cpanfile", len(cpanfile.Dependencies))

	return cpanfile, nil
}
Beispiel #3
0
func SaveIndex(index string, indexes map[string]*Source) {
	// TODO append, but needs to know which stuff is new
	//out, err := os.OpenFile(".gopancache/index", os.O_RDWR|os.O_APPEND, 0660)
	out, err := os.Create(index)
	if err != nil {
		log.Error("Error creating index: %s", err.Error())
	}
	for _, source := range indexes {
		out.Write([]byte(source.Name + " [" + source.URL + "]\n"))
		log.Trace(source.Name)
		for _, author := range source.Authors {
			out.Write([]byte(" " + author.Name + " [" + author.URL + "]\n"))
			log.Trace("    %s", author.Name)
			for _, pkg := range author.Packages {
				out.Write([]byte("  " + pkg.Name + " => " + pkg.URL + "\n"))
				log.Trace("        %s => %s", pkg.Name, pkg.URL)
				for p, pk := range pkg.Provides {
					out.Write([]byte("   " + p + " (" + pk.Version + "): " + pk.File + "\n"))
					log.Trace("          %s (%s): %s", p, pk.Version, pk.File)
				}
			}
		}
	}
	out.Close()
}
func WatchConfig(configWrapper iConfigWrapper, configPath string) {
	watcherForConfigFile, err := fsnotify.NewWatcher()
	CheckError(err)

	go func() {
		for {
			select {
			case e := <-watcherForConfigFile.Event:
				if lastConfigModifiedTime.Add(1 * time.Second).After(time.Now()) {
					continue
				}
				lastConfigModifiedTime = time.Now()

				// log.Warn("Config '%s' modified, but NOT RELOADING YET.", e.Name)
				log.Warn("Config '%s' modified, now reloading (most of the) config settings.", e.Name)
				configWrapper.SetConfig(loadFile(configPath))
				configWrapper.ConfigReloaded()
				break
			case err := <-watcherForConfigFile.Error:
				log.Error("Error: %+v", err)
				break
			}
		}
	}()

	err = watcherForConfigFile.Watch(configPath)
	CheckError(err)
}
Beispiel #5
0
// NetworkName returns the SSID of the wifi network.
func NetworkName(nif string) string {
	if nif == "" {
		nif = C.GoString(C.guessWifiInterfaceName())
	}

	if nif == "" {
		log.Debug("Could not find Wi-Fi network interface")
		return ""
	}

	active := C.getWifiActive(C.CString(nif))
	powerOn := C.getWifiPowerOn(C.CString(nif))

	if !active {
		log.Debug("Wi-Fi network interface is not active")
		return ""
	}

	if !powerOn {
		log.Debug("Wi-Fi network interface is not powered on")
		return ""
	}

	ssid := C.GoString(C.getWifiSSID(C.CString(nif)))

	if ssid == "" {
		log.Error("Wi-Fi network interface ssid empty")
	}

	return ssid
}
Beispiel #6
0
func (session *Session) render(asset string) error {
	asset = "assets/templates/" + asset

	var t *template.Template

	c, ok := session.Config.Cache["template:"+asset]
	if !ok {
		log.Trace("Loading asset: %s", asset)
		a, err := session.Config.AssetLoader(asset)
		log.Trace("Creating template: %s", asset)
		t = template.New(asset)
		t.Delims(session.Config.LeftDelim, session.Config.RightDelim)
		if err != nil || a == nil {
			log.Error("Failed loading template %s: %s", asset, err)
			return err
		}
		log.Trace("Parsing template: %s", asset)
		_, err = t.Parse(string(a))
		if err != nil {
			log.Error("Failed parsing template %s: %s", asset, err)
			return err
		}
		log.Trace("Template parsed successfully: %s", asset)
		session.Config.Cache["template:"+asset] = t
	} else {
		t = c.(*template.Template)
		log.Trace("Template loaded from cache: %s", asset)
	}

	var b bytes.Buffer
	err := t.Execute(&b, session.Stash)
	if err != nil {
		log.Error("Failed executing template %s: %s", asset, err)
		return err
	}

	_, err = session.Response.Write(b.Bytes())

	if err != nil {
		log.Error("Error writing output for template %s: %s", asset, err)
		return err
	}

	return nil
}
Beispiel #7
0
func (session *Session) RenderException(status int, err error) {
	key := uuid.NewUUID().String()
	session.Response.Status = status
	session.Stash["Gotcha"].(map[string]interface{})["Error"] = err.Error()
	session.Stash["Gotcha"].(map[string]interface{})["ErrorId"] = key

	buf := make([]byte, 1<<16)
	n := runtime.Stack(buf, true)
	session.Stash["Gotcha"].(map[string]interface{})["Stack"] = fmt.Sprintf("%s", buf[:n])

	log.Error("Exception %s: %s\n%s", key, err.Error(), session.Stash["Gotcha"].(map[string]interface{})["Stack"])

	e := session.render("error.html")
	if e != nil {
		log.Error("Error rendering error page: %s", e)
		session.Response.Write([]byte("[" + key + "] Internal Server Error: " + err.Error() + "\n"))
	}
}
Beispiel #8
0
func (session *Session) RenderNotFound() {
	session.Stash["Gotcha"].(map[string]interface{})["Error"] = "Not found"
	session.Response.Status = 404

	e := session.render("notfound.html")
	if e != nil {
		log.Error("Error rendering not found page: %s", e)
	}
}
Beispiel #9
0
func RemoveModule(index string, source *Source, author *Author, pkg *Package) {
	out, err := os.OpenFile(index, os.O_RDWR|os.O_APPEND|os.O_CREATE, 0660)
	if err != nil {
		log.Error("Error opening index: %s", err.Error())
		return
	}

	out.Write([]byte(source.Name + " [" + source.URL + "]\n"))
	out.Write([]byte(" " + author.Name + " [" + author.URL + "]\n"))
	out.Write([]byte("  -" + pkg.Name + " => " + pkg.URL + "\n"))

	out.Close()
}
Beispiel #10
0
func LoadConfig(global string, workspaces []string) {
	// Load global environment
	log.Info("Loading global environment file: %s", global)
	cfg, err := LoadConfigFile(global)
	if err != nil {
		log.Error("Error loading global configuration: %s", err.Error())
	}
	if cfg != nil {
		GlobalConfigWorkspace = cfg
	}

	// Load workspaces
	for _, conf := range workspaces {
		log.Info("Loading workspace file: %s", conf)
		cfg, err := LoadConfigFile(conf)
		if err != nil {
			log.Error("Error loading workspace: %s", err.Error())
		}
		if cfg != nil {
			ConfigWorkspaces[cfg.Name] = cfg
		}
	}
}
Beispiel #11
0
func AppendToIndex(index string, source *Source, author *Author, pkg *Package) {
	out, err := os.OpenFile(index, os.O_RDWR|os.O_APPEND|os.O_CREATE, 0660)
	if err != nil {
		log.Error("Error opening index: %s", err.Error())
		return
	}

	out.Write([]byte(source.Name + " [" + source.URL + "]\n"))
	out.Write([]byte(" " + author.Name + " [" + author.URL + "]\n"))
	out.Write([]byte("  " + pkg.Name + " => " + pkg.URL + "\n"))
	for p, pk := range pkg.Provides {
		out.Write([]byte("   " + p + " (" + pk.Version + "): " + pk.File + "\n"))
	}

	out.Close()
}
Beispiel #12
0
func HasJSONXS() bool {
	cmd := exec.Command("perl", "-MJSON::XS", "-e", "")

	_, err := cmd.Output()
	if err != nil {
		log.Error("Error executing command: %s", err)
		return false
	}

	ps := cmd.ProcessState
	sy := ps.Sys().(syscall.WaitStatus)
	exit := sy.ExitStatus()

	if exit != 0 {
		return false
	}

	return true
}
Beispiel #13
0
func ParseCPANLine(line string) (*Dependency, error) {
	if len(line) == 0 {
		return nil, nil
	}

	matches := re.FindStringSubmatch(line)
	if len(matches) == 0 {
		log.Trace("Unable to parse line: %s", line)
		return nil, nil
	}

	module := matches[2]
	version := strings.Replace(matches[4], " ", "", -1)
	comment := matches[5]

	dependency, err := DependencyFromString(module, version)

	if strings.HasPrefix(strings.Trim(comment, " "), "# REQS: ") {
		comment = strings.TrimPrefix(strings.Trim(comment, " "), "# REQS: ")
		log.Trace("Found additional dependencies: %s", comment)
		for _, req := range strings.Split(comment, ";") {
			req = strings.Trim(req, " ")
			bits := strings.Split(req, "-")
			new_dep, err := DependencyFromString(bits[0], bits[1])
			if err != nil {
				log.Error("Error parsing REQS dependency: %s", req)
				continue
			}
			log.Trace("Added dependency: %s", new_dep)
			dependency.Additional = append(dependency.Additional, new_dep)
		}
	}

	if err != nil {
		return nil, err
	}

	log.Info("%s (%s %s)", module, dependency.Modifier, dependency.Version)

	return dependency, err
}
Beispiel #14
0
func (s *Source) Load() error {
	log.Debug("Loading source: %s", s)

	switch s.Type {
	case "CPAN":
		log.Debug("=> Got CPAN source")
		return s.loadCPANSource()
	case "BackPAN":
		log.Debug("=> Got BackPAN source")
		return s.loadBackPANSource()
	case "SmartPAN":
		log.Debug("=> Got SmartPAN source")
		return nil
	case "MetaCPAN":
		log.Debug("=> Got MetaCPAN source")
		return nil
	default:
		log.Error("Unrecognised source type: %s", s.Type)
		return errors.New(fmt.Sprintf("Unrecognised source: %s", s))
	}
}
Beispiel #15
0
func HasPerl() (bool, string) {
	cmd := exec.Command("perl", "-V::version:")

	out, err := cmd.Output()
	if err != nil {
		log.Error("Error executing command: %s", err)
		return false, ""
	}

	ps := cmd.ProcessState
	sy := ps.Sys().(syscall.WaitStatus)
	exit := sy.ExitStatus()

	if exit != 0 {
		return false, ""
	}

	s := string(out)
	s = strings.TrimSpace(s)
	l := strings.Split(s, "\n")
	v := l[0]

	return true, v
}
Beispiel #16
0
func main() {
	config = getpan.Configure()
	config.Dump()

	mods := flag.Args()

	if len(mods) == 0 {
		if _, err := os.Stat(config.CPANFile); os.IsNotExist(err) {
			log.Error("cpanfile not found: %s", config.CPANFile)
			os.Exit(1)
		}
	}

	if len(mods) > 0 && mods[0] == "exec" {
		log.Debug("getpan exec => " + strings.Join(mods[1:], " "))

		cmd := exec.Command(mods[1], mods[2:]...)

		cmd.Env = os.Environ()
		cmd.Env = append(cmd.Env, "PERL5LIB="+config.InstallDir+"/lib/perl5")
		cmd.Env = append(cmd.Env, "PATH="+os.Getenv("PATH")+":"+config.InstallDir+"/bin")

		cmd.Stdout = os.Stdout
		cmd.Stderr = os.Stderr

		err := cmd.Run()

		if err != nil {
			// debug so it doesn't show up in stdout/stderr unless -loglevel is used
			log.Debug("Error in exec: %s", err.Error())
			os.Exit(10)
		}

		return
	}

	for _, source := range config.Sources {
		err := source.Load()
		if err != nil {
			log.Error("Error loading sources: %s", err)
			os.Exit(1)
			return
		}
	}

	var deps *getpan.DependencyList

	if len(mods) == 0 {
		log.Info("Installing from cpanfile: %s", config.CPANFile)
		d, err := getpan.ParseCPANFile(config.CPANFile)
		if err != nil {
			log.Error("Error parsing cpanfile: %s", err)
			os.Exit(2)
			return
		}
		deps = &d.DependencyList
	} else {
		log.Info("Installing from command line args")
		deps = &getpan.DependencyList{
			Dependencies: make([]*getpan.Dependency, 0),
		}
		for _, arg := range mods {
			dependency, err := getpan.DependencyFromString(arg, "")
			if err != nil {
				log.Error("Unable to parse input: %s", arg)
				continue
			}
			deps.AddDependency(dependency)
		}
	}

	err := deps.Resolve()
	if err != nil {
		log.Error("Error resolving dependencies: %s", err)
		os.Exit(3)
		return
	}

	if false == config.NoDepdump {
		log.Info("Resolved dependency tree:")
		deps.PrintDeps(0)
	}

	if config.NoInstall {
		log.Info("Skipping installation phase")
		return
	}

	_, err = deps.Install()

	if err != nil {
		log.Error("Error installing dependencies: %s", err)
		os.Exit(4)
		return
	}

	// FIXME hacky, need a better way of tracking installed deps
	log.Info("Successfully installed %d modules", deps.UniqueInstalled())
}
Beispiel #17
0
func (m *Module) Install() (int, error) {
	log.Debug("Installing module: %s", m)

	n := 0

	if m.Deps != nil {
		log.Trace("Installing module dependencies for %s", m)

		<-install_semaphore
		o, err := m.Deps.Install()
		install_semaphore <- 1

		n += o
		if err != nil {
			log.Error("Error installing module dependencies for %s: %s", m, err)
			return n, err
		}
	}

	var c *exec.Cmd
	var stdout *bytes.Buffer
	var stderr *bytes.Buffer

	cpanm_cache_dir, err := filepath.Abs(config.CacheDir)
	if err != nil {
		log.Error("Failed to get absolute path of gopan cache directory: %s", err)
		return n, err
	}

	os.Setenv("PERL_CPANM_HOME", cpanm_cache_dir)

	done := false
	attempts := 0
	for !done {
		time.Sleep(time.Duration(100) * time.Millisecond)

		c = m.getCmd()
		stdout = new(bytes.Buffer)
		stderr = new(bytes.Buffer)
		c.Stderr = stderr
		c.Stdout = stdout

		// brute force cpanm text file busy errors
		attempts++
		if err := c.Start(); err != nil {
			if attempts > 10 {
				log.Error("Error installing module %s: %s", m, err)
				return n, err
			}
		} else {
			done = true
		}
	}

	if err := c.Wait(); err != nil {
		if !strings.HasPrefix(strings.ToLower(stderr.String()), "plenv: cannot rehash:") && !strings.Contains(strings.ToLower(stderr.String()), "text file busy") &&
			!strings.HasPrefix(strings.ToLower(stdout.String()), "plenv: cannot rehash:") && !strings.Contains(strings.ToLower(stdout.String()), "text file busy") {
			log.Error(m.Name + "-" + m.Version + " failed to install")
			log.Error("Error installing %s %s: %s\nSTDERR:\n%sSTDOUT:\n%s", m.Name, m.Version, err, stderr.String(), stdout.String())
			return n, err
		}
	}

	n++

	log.Printf("Installed " + m.Name + " (" + m.Version + ")")
	return n, nil
}
Beispiel #18
0
func (tr *TaskRun) Start(exitCh chan int) {
	tr.Started = time.Now()

	stdout, err := tr.Cmd.StdoutPipe()
	if err != nil {
		tr.Error = err
		exitCh <- 1
		return
	}
	stderr, err := tr.Cmd.StderrPipe()
	if err != nil {
		tr.Error = err
		exitCh <- 1
		return
	}

	if len(tr.Stdout) > 0 {
		wr, err := NewFileLogWriter(tr.Stdout)
		if err != nil {
			log.Error("Unable to open file %s: %s", tr.Stdout, err.Error())
			tr.StdoutBuf = NewInMemoryLogWriter()
		} else {
			tr.StdoutBuf = wr
		}
	} else {
		tr.StdoutBuf = NewInMemoryLogWriter()
	}
	if len(tr.Stderr) > 0 {
		wr, err := NewFileLogWriter(tr.Stderr)
		if err != nil {
			log.Error("Unable to open file %s: %s", tr.Stderr, err.Error())
			tr.StderrBuf = NewInMemoryLogWriter()
		} else {
			tr.StderrBuf = wr
		}
	} else {
		tr.StderrBuf = NewInMemoryLogWriter()
	}

	if len(tr.Pwd) > 0 {
		log.Info("Setting pwd: %s", tr.Pwd)
		tr.Cmd.Dir = tr.Pwd
	}

	for k, v := range tr.Environment {
		log.Info("Adding env var %s = %s", k, v)
		tr.Cmd.Env = append(tr.Cmd.Env, k+"="+v)
	}

	err = tr.Cmd.Start()
	if tr.Cmd.Process != nil {
		ev := &Event{time.Now(), fmt.Sprintf("Process %d started: %s", tr.Cmd.Process.Pid, tr.Command)}
		log.Info(ev.Message)
		tr.Events = append(tr.Events, ev)
	}
	if err != nil {
		tr.Error = err
		log.Error(err.Error())
		tr.StdoutBuf.Close()
		tr.StderrBuf.Close()
		exitCh <- 1
		return
	}
	go func() {
		go io.Copy(tr.StdoutBuf, stdout)
		go io.Copy(tr.StderrBuf, stderr)

		tr.Cmd.Wait()

		tr.StdoutBuf.Close()
		tr.StderrBuf.Close()

		log.Trace("STDOUT: %s", tr.StdoutBuf.String())
		log.Trace("STDERR: %s", tr.StderrBuf.String())

		ps := tr.Cmd.ProcessState
		sy := ps.Sys().(syscall.WaitStatus)

		ev := &Event{time.Now(), fmt.Sprintf("Process %d exited with status %d", ps.Pid(), sy.ExitStatus())}
		log.Info(ev.Message)
		tr.Events = append(tr.Events, ev)
		log.Info(ps.String())

		tr.Stopped = time.Now()
		exitCh <- 1
	}()
}
Beispiel #19
0
func download(session *http.Session) {
	if _, ok := session.Stash["repo"]; !ok {
		session.RenderNotFound()
		return
	}

	if _, ok := session.Stash["file"]; !ok {
		session.RenderNotFound()
		return
	}

	repo := session.Stash["repo"].(string)
	file := session.Stash["file"].(string)

	if repo == "SmartPAN" {
		if _, ok := filemap[file]; !ok {
			log.Debug("SmartPAN repo - file [%s] not found in any index", file)
			session.RenderNotFound()
			return
		}

		repo = filemap[file]
		log.Debug("SmartPAN repo - file [%s] found in [%s]", file, repo)
	}

	log.Debug("Repo [%s], file [%s]", repo, file)

	nfile := config.CacheDir + "/" + repo + "/" + file

	if _, err := os.Stat(nfile); err != nil {
		log.Debug("File not found on disk, considering readthrough")

		for fn, _ := range indexes {
			log.Debug("Trying file: %s", fn)
			if src, ok := indexes[fn][repo]; ok {
				log.Debug("Found matching repo")
				if strings.HasPrefix(src.URL, "http:") {
					log.Debug("Found HTTP URL, trying: %s", src.URL+"/"+file)

					res, err := nethttp.Get(src.URL + "/" + file)
					if err != nil {
						log.Debug("Error on readthrough: %s", err.Error())
						continue
					}
					defer res.Body.Close()
					b, err := ioutil.ReadAll(res.Body)
					if err != nil {
						log.Debug("Error reading body: %s", err.Error())
						continue
					}

					session.Response.Write(b)
					return
				}
			}
		}

		log.Debug("No readthrough available")
		session.RenderNotFound()
		return
	}

	f, err := os.Open(nfile)
	if err != nil {
		log.Error(err.Error())
		session.RenderNotFound()
		return
	}

	defer f.Close()

	b, err := ioutil.ReadAll(f)
	if err != nil {
		log.Error(err.Error())
		session.RenderNotFound()
		return
	}

	session.Response.Write(b)
}
Beispiel #20
0
func (m *Module) loadDependencies() error {
	yml, err := ioutil.ReadFile(m.Extracted + "/META.yml")
	if err != nil {
		// TODO this isnt an error (it shouldnt make build fail)
		log.Error("Error opening META.yml for %s: %s", m.Name, err)
		// return nil to prevent build fail
		return nil
	}

	meta := make(map[interface{}]interface{})
	err = yaml.Unmarshal(yml, &meta)
	if err != nil {
		// TODO this isnt a real error, probably
		log.Error("Error parsing YAML: %s", err)
		// return nil to prevent build fail
		return nil
	}

	if reqs, ok := meta["requires"]; ok {
		log.Debug("Found dependencies for module %s", m.Name)
		switch reqs.(type) {
		case map[interface{}]interface{}:
			for req, ver := range reqs.(map[interface{}]interface{}) {
				v := float64(0)
				switch ver.(type) {
				case string:
					v = gopan.VersionFromString(ver.(string))
				case int:
					v = float64(ver.(int))
				}
				log.Printf("=> %s (%f)", req, v)
				dep, err := DependencyFromString(req.(string), fmt.Sprintf("%f", ver))
				if err != nil {
					log.Error("Error parsing dependency: %s", err)
					continue
				}
				if _, ok := perl_core[dep.Name]; ok {
					log.Trace("Module is from perl core: %s", dep.Name)
					continue
				}
				m.Deps.AddDependency(dep)
			}
		}

		log.Debug("Resolving module dependency list")

		if err := m.Deps.Resolve(); err != nil {
			log.Error("Error resolving dependency list [%s]: %s", m.Name, err)
			return err
		}

		return nil
	}

	// FIXME repeat of block above, just with more nested levels
	if p, ok := meta["prereqs"]; ok {
		if r, ok := p.(map[interface{}]interface{})["runtime"]; ok {
			if reqs, ok := r.(map[interface{}]interface{})["requires"]; ok {
				log.Debug("Found dependencies for module %s", m.Name)
				switch reqs.(type) {
				case map[interface{}]interface{}:
					for req, ver := range reqs.(map[interface{}]interface{}) {
						v := float64(0)
						switch ver.(type) {
						case string:
							v = gopan.VersionFromString(ver.(string))
						case int:
							v = float64(ver.(int))
						}
						log.Printf("=> %s (%f)", req, v)
						dep, err := DependencyFromString(req.(string), fmt.Sprintf("%f", ver))
						if err != nil {
							log.Error("Error parsing dependency: %s", err)
							continue
						}
						if _, ok := perl_core[dep.Name]; ok {
							log.Trace("Module is from perl core: %s", dep.Name)
							continue
						}
						m.Deps.AddDependency(dep)
					}
				}
			}
		}
		if t, ok := p.(map[interface{}]interface{})["test"]; ok {
			if reqs, ok := t.(map[interface{}]interface{})["requires"]; ok {
				log.Debug("Found dependencies for module %s", m.Name)
				switch reqs.(type) {
				case map[interface{}]interface{}:
					for req, ver := range reqs.(map[interface{}]interface{}) {
						v := float64(0)
						switch ver.(type) {
						case string:
							v = gopan.VersionFromString(ver.(string))
						case int:
							v = float64(ver.(int))
						}
						log.Printf("=> %s (%f)", req, v)
						dep, err := DependencyFromString(req.(string), fmt.Sprintf("%f", ver))
						if err != nil {
							log.Error("Error parsing dependency: %s", err)
							continue
						}
						if _, ok := perl_core[dep.Name]; ok {
							log.Trace("Module is from perl core: %s", dep.Name)
							continue
						}
						m.Deps.AddDependency(dep)
					}
				}
			}
		}

		log.Debug("Resolving module dependency list")
		if err := m.Deps.Resolve(); err != nil {
			log.Error("Error resolving dependency list: %s", err)
			return err
		}

		return nil
	}

	log.Debug("No dependencies for module %s", m.Name)
	return nil
}
Beispiel #21
0
func Provides(pkg *gopan.Package, tgzpath string, extpath string, dirpath string) error {
	// not required? path should already exist
	os.MkdirAll(dirpath, 0770)

	var stdout1 bytes.Buffer
	var stderr1 bytes.Buffer

	extract := exec.Command("tar", "-zxf", tgzpath, "-C", dirpath)
	extract.Stdout = &stdout1
	extract.Stderr = &stderr1

	if err := extract.Run(); err != nil {
		log.Error("Extract run: %s", err.Error())
		log.Trace(stdout1.String())
		log.Error(stderr1.String())
		return err
	}

	log.Trace(stdout1.String())
	log.Trace(stderr1.String())

	defer func() {
		var stdout3 bytes.Buffer
		var stderr3 bytes.Buffer

		clean := exec.Command("rm", "-rf", extpath)
		clean.Stdout = &stdout3
		clean.Stderr = &stderr3

		if err := clean.Run(); err != nil {
			log.Error("Clean run: %s", err.Error())
		}

		log.Trace(stdout3.String())
		log.Trace(stderr3.String())
	}()

	//var stdout2 bytes.Buffer
	var stderr2 bytes.Buffer

	if len(pldArgs) == 0 {
		if len(os.Getenv("GOPAN_ALLOW_DEV_VERSIONS")) > 0 {
			pldArgs = "({ALLOW_DEV_VERSION=>1})"
		} else {
			pldArgs = "()"
		}
	}
	log.Trace("pldArgs: %s", pldArgs)
	//cmd := exec.Command("perl", "-MModule::Metadata", "-MJSON::XS", "-e", "print encode_json(Module::Metadata->provides(version => 2, prefix => \"\", dir => $ARGV[0]))", extpath)
	cmd := exec.Command("perl", "-MParse::LocalDistribution", "-MJSON::XS", "-e", "print encode_json(Parse::LocalDistribution->new"+pldArgs+"->parse($ARGV[0]))", extpath)
	//cmd.Stdout = &stdout2
	cmd.Stderr = &stderr2

	stdout, err := cmd.StdoutPipe()
	defer stdout.Close()
	if err != nil {
		log.Error("StdoutPipe: %s", err.Error())
		return err
	}

	if err := cmd.Start(); err != nil {
		log.Error("Start: %s", err.Error())
		return err
	}

	var pld PLD
	if err := json.NewDecoder(stdout).Decode(&pld); err != nil {
		log.Error("JSON decoder error: %s", err.Error())
		return err
	}

	if err := cmd.Wait(); err != nil {
		log.Error("Wait: %s", err.Error())
		return err
	}

	//log.Trace(stdout2.String())
	log.Trace(stderr2.String())

	pkg.Provides = make(map[string]*gopan.PerlPackage)
	for p, pk := range pld {
		pp := &gopan.PerlPackage{
			Package: pkg,
			Name:    p,
			Version: pk.Version,
			File:    pk.Infile,
		}
		pkg.Provides[p] = pp
		log.Trace("%s: %s %s", p, pp.Version, pp.File)
	}

	log.Debug("%s provides %d packages", pkg, len(pkg.Provides))
	return nil
}
func (s *settings) OnWatchReloadError(err error) {
	log.Error("Error: %+v", err)
}
Beispiel #23
0
func (r *Response) EventStream() chan []byte {
	c := make(chan []byte)

	r.IsEventStream = true
	r.Headers.Add("Content-Type", "text/event-stream")
	r.Headers.Add("Cache-Control", "no-cache")
	r.Headers.Add("Connection", "keep-alive")
	//r.Write([]byte("\n\n"))
	r.Send()

	hj, ok := r.writer.(nethttp.Hijacker)
	if !ok {
		log.Warn("Connection unsuitable for hijack")
		return nil
	}
	conn, bufrw, err := hj.Hijack()
	if err != nil {
		log.Warn("Connection hijack failed")
		return nil
	}

	r.esBufrw = bufrw
	r.esConn = conn

	go func() {
		for b := range c {
			if len(b) == 0 {
				log.Trace("Event stream ended")
				r.esConn.Close()
				break
			}

			lines := strings.Split(string(b), "\n")
			data := ""
			for _, l := range lines {
				data += "data: " + l + "\n"
			}
			data += "\n"

			sz := len(data) + 1
			log.Info("Event stream message is %d bytes", sz)
			size := fmt.Sprintf("%X", sz)
			r.esBufrw.Write([]byte(size + "\r\n"))

			lines = strings.Split(data, "\n")
			for _, ln := range lines {
				r.esBufrw.Write([]byte(ln + "\n"))
			}
			_, err := r.esBufrw.Write([]byte("\r\n"))

			if err != nil {
				log.Error("Error writing to connection: %s\n", err)
				r.esConn.Close()
				break
			}

			err = r.esBufrw.Flush()
			if err != nil {
				log.Error("Error flushing buffer: %s\n", err)
				r.esConn.Close()
				break
			}
		}
	}()
	return c
}
Beispiel #24
0
func getPackages() int {
	newpkg := 0

	var pl func(*html.Node, *gopan.Source, *gopan.Author)
	pl = func(n *html.Node, source *gopan.Source, author *gopan.Author) {
		log.Trace("NODE: %s [%s, %s, %s]", n.DataAtom, n.Type, n.Data)
		if n.Type == html.ElementNode && n.Data == "a" {
			//log.Info("NODE IS ELEMENTNODE")
			for _, attr := range n.Attr {
				// FIXME stuff that isn't .tar.gz?
				if attr.Key == "href" && strings.HasSuffix(attr.Val, ".tar.gz") {
					log.Trace("==> HREF: %s", n.FirstChild.Data)
					pkg := strings.TrimSuffix(n.FirstChild.Data, "/")
					if _, ok := author.Packages[pkg]; !ok {
						author.Packages[pkg] = &gopan.Package{
							Name:   pkg,
							Author: author,
							URL:    author.URL + "/" + pkg,
						}
						newpkg++
						log.Debug("Found package: %s", pkg)
					}
				}
			}
			//log.Info("%s", n.Data)
		}
		for c := n.FirstChild; c != nil; c = c.NextSibling {
			pl(c, source, author)
		}
	}

	log.Info("Building package list")

	for fname, _ := range indexes {
		for _, source := range indexes[fname] {
			log.Debug("Index: %s", source)
			wg.Add(1)
			go func(source *gopan.Source) {
				defer wg.Done()
				for _, author := range source.Authors {
					wg.Add(1)
					go func(author *gopan.Author) {
						defer wg.Done()
						sem <- 1
						log.Trace("=> %s", author)

						url := source.URL + "/" + author.Name[:1] + "/" + author.Name[:2] + "/" + author.Name + "/"
						log.Trace("Getting URL: %s", url)

						res, err := http.Get(url)
						if err != nil {
							log.Error("HTTP GET - %s", err.Error())
							<-sem
							return
						}

						doc, err := html.Parse(res.Body)
						if err != nil {
							log.Error("HTML PARSE - %s", err.Error())
							<-sem
							return
						}

						pl(doc, source, author)

						<-sem
					}(author)
				}
			}(source)
		}
	}

	wg.Wait()

	log.Info("Finished building package list")

	return newpkg
}
Beispiel #25
0
func (d *DependencyList) Install() (int, error) {
	if d == nil {
		log.Debug("No dependencies to install")
		return 0, nil
	}

	n := 0

	if install_semaphore == nil {
		install_semaphore = make(chan int, config.CPUs)
	}

	var wg sync.WaitGroup
	var errorLock sync.Mutex

	errs := make([]string, 0)

	for _, dep := range d.Dependencies {
		log.Debug("Installing dependency: %s", dep)
		wg.Add(1)
		go func(dep *Dependency) {
			defer wg.Done()
			defer func(mod *Module) {
				if mod != nil {
					log.Debug("Resuming installation of %s", mod)
				}
			}(d.Parent)

			_, ok1 := global_installed[dep.Module.Cached]
			_, ok2 := global_installed[dep.Module.Name+"-"+dep.Module.Version]
			if ok1 || ok2 {
				log.Trace("Module is already installed: %s", dep.Module)
				return
			}

			log.Trace("Aquiring install lock for module %s", dep.Module)
			install_lock.Lock()
			if mt, ok := install_mutex[dep.Module.Cached]; ok {
				install_lock.Unlock()
				log.Trace("Waiting on existing installation for %s", dep.Module)
				log.Trace("Path: %s", dep.Module.Path())
				mt.Lock()
				mt.Unlock()
				log.Trace("Existing installation complete for %s", dep.Module)
				return
			}

			log.Trace("Creating new installation lock for module %s", dep.Module)
			install_mutex[dep.Module.Cached] = new(sync.Mutex)
			install_mutex[dep.Module.Cached].Lock()

			//log.Trace("%s:: Sending semaphore", dep.module)
			install_semaphore <- 1
			install_lock.Unlock()

			o, err := dep.Module.Install()
			//log.Trace("%s:: Waiting on semaphore", dep.module)
			<-install_semaphore
			//log.Trace("%s:: Got semaphore", dep.module)

			global_installed[dep.Module.Name+"-"+dep.Module.Version] = dep.Module
			global_installed[dep.Module.Cached] = dep.Module
			global_unique[dep.Module.Name] = 1

			n += o
			if err != nil {
				log.Error("Error installing module: %s", err)
				errorLock.Lock()
				errs = append(errs, dep.Module.String())
				errorLock.Unlock()
			}

			install_lock.Lock()
			install_mutex[dep.Module.Cached].Unlock()
			install_lock.Unlock()

			n++
		}(dep)
	}

	wg.Wait()

	if len(errs) > 0 {
		log.Error("Failed to install dependencies:")
		for _, err := range errs {
			log.Error("=> %s", err)
		}
		return n, errors.New("Failed to install dependencies")
	}

	return n, nil
}
Beispiel #26
0
func (s *Source) Find(d *Dependency) (*Module, error) {
	log.Debug("Finding dependency: %s", d)

	switch s.Type {
	case "SmartPAN":
		log.Debug("=> Using SmartPAN source")

		url := s.URL
		if !strings.HasSuffix(s.URL, "/") {
			url += "/"
		}
		url += "where/" + d.Name + "/" + d.Modifier + d.Version

		log.Info("Query: %s", url)
		res, err := http.Get(url)

		if err != nil {
			log.Error("Error querying SmartPAN: %s", err.Error())
			return nil, err
		}

		defer res.Body.Close()

		body, err := ioutil.ReadAll(res.Body)
		log.Trace("Got response: %s", string(body))

		if res.StatusCode != http.StatusOK {
			log.Info("Module not found in SmartPAN: %s", d.Name)
			return nil, nil
		}

		var v *WhereOutput
		if err = json.Unmarshal(body, &v); err != nil {
			log.Error("Error parsing JSON: %s", err.Error())
			return nil, err
		}

		log.Trace("Found module %s", v.Module)

		if len(v.Versions) == 0 {
			log.Info("Found module but no versions returned")
			return nil, nil
		}

		var lv *VersionOutput
		for _, ver := range v.Versions {
			if ver.Version == v.Latest {
				log.Info("Using latest version of %s: %f", v.Module, ver.Version)
				lv = ver
				break
			}
		}
		if lv == nil {
			log.Info("Couldn't find latest version, selecting first available")
			lv = v.Versions[0]
		}

		return &Module{
			Name:    d.Name,
			Version: fmt.Sprintf("%f", lv.Version),
			Source:  s,
			Url:     lv.URL,
		}, nil
	case "CPAN":
		log.Debug("=> Using CPAN source")
		if mod, ok := s.ModuleList[d.Name]; ok {
			log.Trace("=> Found in source: %s", mod)
			if d.Matches(mod) {
				log.Trace("=> Version (%s) matches dependency: %s", mod.Version, d)
				return mod, nil
			}
			log.Trace("=> Version (%s) doesn't match dependency: %s", mod.Version, d)
			return nil, nil
		}
	case "BackPAN":
		log.Debug("=> Using BackPAN source")
		// TODO better version matching - new backpan index?
		if mod, ok := s.ModuleList[d.Name+"-"+d.Version]; ok {
			log.Trace("=> Found in source: %s", mod)
			if d.Matches(mod) {
				log.Trace("=> Version (%s) matches dependency: %s", mod.Version, d)
				return mod, nil
			}
			log.Trace("=> Version (%s) doesn't match dependency: %s", mod.Version, d)
			return nil, nil
		}
	case "MetaCPAN":
		log.Debug("=> Using MetaCPAN source")

		var sout, serr bytes.Buffer
		var cpanm_args string = fmt.Sprintf("-L %s --info %s~\"%s%s\"", config.InstallDir, d.Name, d.Modifier, d.Version)

		cpanm_cache_dir, err := filepath.Abs(config.CacheDir)
		if err != nil {
			log.Error("Failed to get absolute path of gopan cache directory: %s", err)
			return nil, err
		}

		log.Trace("About to exec: cpanm %s", cpanm_args)
		os.Setenv("CPANM_INFO_ARGS", cpanm_args)
		os.Setenv("PERL_CPANM_HOME", cpanm_cache_dir)
		cmd := exec.Command("bash", "-c", `eval cpanm $CPANM_INFO_ARGS`)
		cmd.Stdout = &sout
		cmd.Stderr = &serr

		if err := cmd.Run(); err != nil {
			log.Error("cpanm %s: %s,\n%s\n", cpanm_args, err, serr.String())
			return nil, nil
		}

		if 0 == len(sout.String()) {
			log.Warn("No author/module from cpanm")
			return nil, nil
		}

		author_module := strings.TrimRight(sout.String(), "\n")
		mematches := metacpanRe.FindStringSubmatch(author_module)
		if nil == mematches {
			log.Error("Match failed for: %s", author_module)
			return nil, nil
		}

		log.Trace("Resolved: %s", author_module)
		for _, mesource := range config.MetaSources {

			meurl := fmt.Sprintf("authors/id/%s/%s/%s",
				mematches[1][0:1],
				mematches[1][0:2],
				mematches[0])

			archive_url := fmt.Sprintf("%s/%s", mesource.URL, meurl)

			log.Trace("Checking: " + archive_url)
			resp, err := http.Head(archive_url)
			if err != nil {
				log.Trace(err)
				continue
			}

			log.Trace("HEAD status code: %d", resp.StatusCode)
			if 200 == resp.StatusCode {
				// No module/version check since 'cpanm --info' may resolve to
				// archive and version that may not match source
				return &Module{
					Name:    mematches[2],
					Version: mematches[3],
					Source:  mesource,
					Url:     meurl,
				}, nil
			}

		}
		log.Error("Could not get archive URL via 'cpanm %s'", cpanm_args)
		return nil, nil
	default:
		log.Error("Unrecognised source type: %s", s.Type)
		return nil, errors.New(fmt.Sprintf("Unrecognised source: %s", s))
	}
	log.Trace("=> Not found in source")
	return nil, nil
}
Beispiel #27
0
func main() {
	configure()

	log.Logger().SetLevel(log.Stol(config.LogLevel))
	log.Info("Using log level: %s", config.LogLevel)

	indexes = make(map[string]map[string]*gopan.Source)
	if !config.NoCache {
		indexes[config.Index] = gopan.LoadIndex(config.CacheDir + "/" + config.Index)
	}

	if config.NoCache || config.Update {
		for _, s := range config.Sources {
			b := strings.SplitN(s, "=", 2)
			if len(b) < 2 {
				log.Error("Expected Name=URL pair, got: %s", s)
				return
			}

			if idx, ok := indexes[config.Index][b[0]]; ok {
				log.Warn("Index [%s] already exists with URL [%s], updating to [%s]", idx.URL, b[1])
				idx.URL = b[1]
			} else {
				indexes[config.Index][b[0]] = &gopan.Source{
					Name:    b[0],
					URL:     b[1],
					Authors: make(map[string]*gopan.Author, 0),
				}
			}
		}

		if len(config.Sources) == 0 && !config.CPAN && !config.BackPAN {
			log.Debug("No -source, -cpan, -backpan parameters, adding default CPAN/BackPAN")
			config.CPAN = true
			config.BackPAN = true
		}

		if config.CPAN {
			if _, ok := indexes[config.Index]["CPAN"]; !ok {
				log.Debug("Adding CPAN index")
				indexes[config.Index]["CPAN"] = gopan.CPANSource()
			} else {
				log.Debug("CPAN index already exists")
			}
		}

		if config.BackPAN {
			if _, ok := indexes[config.Index]["BackPAN"]; !ok {
				log.Debug("Adding BackPAN index")
				indexes[config.Index]["BackPAN"] = gopan.BackPANSource()
			} else {
				log.Debug("BackPAN index already exists")
			}
		}

		log.Info("Using sources:")
		for fname, _ := range indexes {
			log.Info("From %s", fname)
			for _, source := range indexes[fname] {
				log.Info("=> %s", source.String())
			}
		}

		newAuthors := getAuthors()
		newPackages := getPackages()

		os.MkdirAll(config.CacheDir, 0777)

		if !config.NoCache {
			gopan.SaveIndex(config.CacheDir+"/"+config.Index, indexes[config.Index])
		}

		if config.Update {
			log.Info("Found %d new packages by %d new authors", newAuthors, newPackages)
		}
	}

	nsrc, nauth, nmod, npkg := gopan.CountIndex(indexes)
	log.Info("Found %d packages in %d modules by %d authors from %d sources", npkg, nmod, nauth, nsrc)

	if !config.NoMirror {
		mirrorPan()
	}
}
Beispiel #28
0
func mirrorPan() {
	log.Info("Mirroring *PAN")

	// FIXME inefficient
	_, _, npkg, _ := gopan.CountIndex(indexes)

	mirrored := 0
	var pc = func() int {
		return mirrored / npkg * 100
	}

	for fname, _ := range indexes {
		log.Debug("File: %s", fname)
		for _, source := range indexes[fname] {
			log.Debug("Index: %s", source)
			wg.Add(1)
			go func(source *gopan.Source) {
				defer wg.Done()
				for _, author := range source.Authors {
					log.Debug("=> %s", author)
					wg.Add(1)
					go func(author *gopan.Author) {
						cachedir := config.CacheDir + "/" + source.Name + "/" + author.Name[:1] + "/" + author.Name[:2] + "/" + author.Name + "/"
						os.MkdirAll(cachedir, 0777)

						defer wg.Done()
						for _, pkg := range author.Packages {
							wg.Add(1)
							go func(pkg *gopan.Package) {
								defer wg.Done()

								cache := cachedir + pkg.Name
								log.Trace("    - Caching to: %s", cache)

								if _, err := os.Stat(cache); err == nil {
									log.Debug("%d%%  |> %s", pc(), pkg)
									log.Trace("    - Already exists in cache")
									mirrored++
									return
								}

								sem <- 1

								mirrored++

								log.Debug("%d%%  => %s", pc(), pkg)

								url := source.URL + "/" + author.Name[:1] + "/" + author.Name[:2] + "/" + author.Name + "/" + pkg.Name
								log.Trace("    - From URL: %s", url)

								out, err := os.Create(cache)
								defer out.Close()
								if err != nil {
									log.Error("CREATE - %s", err.Error())
									<-sem
									return
								}

								resp, err := http.Get(url)
								if err != nil {
									log.Error("HTTP GET - %s", err.Error())
									<-sem
									return
								}

								_, err = io.Copy(out, resp.Body)
								if err != nil {
									log.Error("IO COPY - %s", err.Error())
								}

								<-sem
							}(pkg)
						}
					}(author)
				}
			}(source)
		}
	}

	wg.Wait()
	log.Info("Finished mirroring *PAN")
}
Beispiel #29
0
func main() {
	configure()

	indexes = make(map[string]map[string]*gopan.Source)
	indexes[config.InputIndex] = gopan.LoadIndex(config.CacheDir + "/" + config.InputIndex)

	log.Logger().SetLevel(log.Stol(config.LogLevel))
	log.Info("Using log level: %s", config.LogLevel)

	// FIXME inefficient
	_, _, tpkg, _ := gopan.CountIndex(indexes)

	npkg := 0
	nmod := 0

	var pc = func() float64 {
		return float64(nmod) / float64(tpkg) * 100
	}

	log.Info("Writing packages index file")

	out, err := os.Create(config.CacheDir + "/" + config.OutputIndex)
	if err != nil {
		log.Error("Error creating packages index: %s", err.Error())
		return
	}

	for fname, _ := range indexes {
		log.Debug("File: %s", fname)
		for _, idx := range indexes[fname] {
			log.Debug("Index: %s", idx)
			out.Write([]byte(idx.Name + " [" + idx.URL + "]\n"))
			for _, auth := range idx.Authors {
				log.Debug("Author %s", auth)
				out.Write([]byte(" " + auth.Name + " [" + auth.URL + "]\n"))
				for _, pkg := range auth.Packages {
					out.Write([]byte("  " + pkg.Name + " => " + pkg.URL + "\n"))
					log.Debug("Package: %s", pkg)

					if !config.Flatten {
						if len(pkg.Provides) == 0 {
							// TODO better handling of filenames
							modnm := strings.TrimSuffix(pkg.Name, ".tar.gz")

							tgzpath := config.CacheDir + "/" + idx.Name + "/" + auth.Name[:1] + "/" + auth.Name[:2] + "/" + auth.Name + "/" + pkg.Name

							if _, err := os.Stat(tgzpath); err != nil {
								log.Error("File not found: %s", tgzpath)
								return
							}

							extpath := config.ExtDir + "/" + idx.Name + "/" + auth.Name[:1] + "/" + auth.Name[:2] + "/" + auth.Name + "/" + modnm
							dirpath := config.ExtDir + "/" + idx.Name + "/" + auth.Name[:1] + "/" + auth.Name[:2] + "/" + auth.Name

							log.Trace("=> tgzpath: %s", tgzpath)
							log.Trace(" > extpath: %s", extpath)
							log.Trace(" > dirpath: %s", dirpath)

							// Only index packages if they don't already exist
							if err := pandex.Provides(pkg, tgzpath, extpath, dirpath); err != nil {
								log.Error("Error retrieving package list: %s", err)
								continue
							}
						}

						npkg += len(pkg.Provides)
						nmod += 1

						for p, pk := range pkg.Provides {
							out.Write([]byte("   " + p + " (" + pk.Version + "): " + pk.File + "\n"))
						}

						if nmod > 0 && nmod%100 == 0 {
							log.Info("%f%% Done %d/%d packages (%d provided so far)", pc(), nmod, tpkg, npkg)
						}

					}
				}
			}
		}
	}

	out.Close()

	log.Info("Found %d packages from %d modules", npkg, nmod)
}
Beispiel #30
0
// Resolve a dependency (i.e. one module), trying all sources
func (d *Dependency) Resolve(p *Module) error {
	if gm, ok := global_modules[d.Name+"-"+d.Version]; ok {
		log.Trace("Dependency %s already resolved (S1): %s", d, gm)
		d.Module = gm
		return nil
	}

	log.Trace("Resolving dependency: %s", d)

	for _, s := range config.Sources {
		log.Trace("=> Trying source: %s", s)
		m, err := s.Find(d)
		if err != nil {
			log.Trace("=> Error from source: %s", err)
			continue
		}
		if m != nil {
			log.Trace("=> Resolved dependency: %s", m)
			d.Module = m
			break
		}
	}
	if d.Module == nil {
		log.Error("Failed to resolve dependency: %s", d)
		return fmt.Errorf("Dependency not found from any source: %s", d)
	}

	if gm, ok := global_modules[d.Module.Name+"-"+d.Module.Version+"~"+d.Module.Source.URL]; ok {
		log.Trace("Dependency %s already resolved (S2): %s", d, gm)
		d.Module = gm
	} else if gm, ok := global_modules[d.Module.Name]; ok {
		log.Trace("Dependency %s already resolved (S3): %s", d, gm)

		// See if the already resolved version is acceptable
		if !d.MatchesVersion(gm.Version) {
			errstr := fmt.Sprintf("Version conflict in dependency tree: %s => %s", d, gm)
			log.Error(errstr)
			return errors.New(errstr)
		}

		log.Trace("Version %s matches %s", d.Module, gm.Version)

		// TODO See if downloading a new version would be better
		d.Module = gm
	} else {
		log.Debug("Downloading: %s", d.Module)
		if err := d.Module.Download(); err != nil {
			log.Error("Error downloading module %s: %s", d.Module, err)
			return err
		}

		if p != nil {
			if p.IsCircular(d.Module) {
				log.Error("Detected circular dependency %s from module %s", d.Module, p)
				return fmt.Errorf("Detected circular dependency %s from module %s", d.Module, p)
			}
		}

		// module can't exist because of global_lock
		global_modules[d.Module.Name] = d.Module
		global_modules[d.Module.Name+"-"+d.Module.Version] = d.Module
		global_modules[d.Module.Name+"-"+d.Module.Version+"~"+d.Module.Source.URL] = d.Module

		log.Debug("Resolving module dependencies: %s", d.Module)
		d.Module.Deps = &DependencyList{
			Parent:       d.Module,
			Dependencies: make([]*Dependency, 0),
		}

		if d.Additional != nil && len(d.Additional) > 0 {
			log.Trace("Adding cpanfile additional REQS")
			for _, additional := range d.Additional {
				log.Trace("Adding additional dependency from cpanfile: %s", additional)
				d.Module.Deps.AddDependency(additional)
			}
		}

		if err := d.Module.loadDependencies(); err != nil {
			return err
		}
	}

	return nil
}