func (a *AnalyzerBase) refineServices(services *[]*common.Service) {
var err error
for _, service := range *services {
if service.Command, err = common.ParseEnvironmentVariables(service.Command); err != nil {
common.PrintlnError("Failed to replace environment variable placeholder due to %s", err.Error())
}
if service.Command, err = common.ParseUniqueInt(service.Command); err != nil {
common.PrintlnError("Failed to replace UNIQUE_INT variable placeholder due to %s", err.Error())
}
}
}
func (w *TemplateWriterBase) WriteTemplate(templateName string, filename string, context interface{}) error {
tmpl, err := template.ParseFiles(filepath.Join(w.TemplateDir, templateName))
if err != nil {
return err
}
destFullPath := filepath.Join(w.OutputDir, filename)
if !w.shouldOverwriteExistingFile(destFullPath) {
newName := filename + ".old"
err = os.Rename(destFullPath, filepath.Join(w.OutputDir, newName))
if err != nil {
return err
}
common.PrintlnL2("Renaming %s to %s...", filename, newName)
}
destFile, err := os.Create(destFullPath)
if err != nil {
return err
}
defer func() {
if err := destFile.Close(); err != nil {
common.PrintlnError("Cannot close file %s due to: %s", filename, err.Error())
}
}()
common.PrintlnL2("Writing %s...", filename)
err = tmpl.Execute(destFile, context)
if err != nil {
return err
}
return w.prependToFile(destFullPath, templateHeader)
}
func (b *AnalyzerBase) AnalyzeServices(a Analyzer, envVars []*common.EnvVar, gitBranch string, gitURL string, buildRoot string) ([]*common.Service, error) {
services, err := b.analyzeProcfile()
if err != nil {
common.PrintlnError("Failed to parse Procfile due to %s", err.Error())
return nil, err
}
err = a.FillServices(&services)
if err != nil {
return nil, err
}
b.refineServices(&services)
b.inheritProjectContext(&services, envVars, gitBranch, gitURL, buildRoot)
return services, nil
}
func main() {
args := os.Args[1:]
if len(args) > 0 && args[0] == "help" {
flag.PrintDefaults()
return
}
if len(args) > 0 && (args[0] == "version" || args[0] == "v") {
fmt.Printf("Cloud 66 Starter (%s)\n", VERSION)
fmt.Println("Copyright 2015 Cloud66 Inc.")
return
}
if len(args) > 0 && args[0] == "version" {
common.PrintlnTitle("Starter version: %s (%s)", VERSION, BUILD_DATE)
return
}
flag.Parse()
common.PrintlnTitle("Cloud 66 Starter ~ (c) 2015 Cloud 66")
if flagPath == "" {
pwd, err := os.Getwd()
if err != nil {
common.PrintlnError("Unable to detect current directory path due to %s", err.Error())
}
flagPath = pwd
}
// if templateFolder is specified we're going to use that otherwise download
if flagTemplates == "" {
usr, _ := user.Current()
homeDir := usr.HomeDir
flagTemplates = filepath.Join(homeDir, ".starter")
err := getTempaltes(flagTemplates)
if err != nil {
common.PrintlnError("Failed to download latest templates due to %s", err.Error())
os.Exit(1)
}
dockerfileTemplateDir = flagTemplates
serviceYAMLTemplateDir = flagTemplates
} else {
common.PrintlnTitle("Using local templates at %s", flagTemplates)
flagTemplates, err := filepath.Abs(flagTemplates)
if err != nil {
common.PrintlnError("Failed to use %s for templates due to %s", flagTemplates, err.Error())
os.Exit(1)
}
dockerfileTemplateDir = flagTemplates
serviceYAMLTemplateDir = flagTemplates
}
common.PrintlnTitle("Detecting framework for the project at %s", flagPath)
pack, err := Detect(flagPath)
if err != nil {
common.PrintlnError("Failed to detect framework due to: %s", err.Error())
return
}
err = pack.Analyze(flagPath, flagEnvironment, !flagNoPrompt)
if err != nil {
common.PrintlnError("Failed to analyze the project due to: %s", err.Error())
return
}
err = pack.WriteDockerfile(dockerfileTemplateDir, flagPath, !flagNoPrompt)
if err != nil {
common.PrintlnError("Failed to write Dockerfile due to: %s", err.Error())
}
err = pack.WriteServiceYAML(serviceYAMLTemplateDir, flagPath, !flagNoPrompt)
if err != nil {
common.PrintlnError("Failed to write service.yml due to: %s", err.Error())
}
if len(pack.GetMessages()) > 0 {
common.PrintlnWarning("Warnings:")
for _, warning := range pack.GetMessages() {
common.PrintlnWarning(" * " + warning)
}
}
common.PrintlnTitle("Done")
}