// Returns a loaded copy of any appfile.File we find, otherwise returns nil,
// which is valid, since Otto can detect app type and calculate defaults.
func loadAppfile(flagAppfile string) (*appfile.File, error) {
appfilePath, err := findAppfile(flagAppfile)
if err != nil {
return nil, err
}
if appfilePath == "" {
return nil, nil
}
return appfile.ParseFile(appfilePath)
}
// TestAppfile returns a compiled appfile for the given path. This uses
// defaults for detectors and such so it is up to you to use a fairly
// complete Appfile.
func TestAppfile(t TestT, path string) *appfile.Compiled {
def, err := appfile.Default(filepath.Dir(path), &detect.Config{
Detectors: []*detect.Detector{
&detect.Detector{
Type: "test",
File: []string{"Appfile"},
},
},
})
if err != nil {
t.Fatal("err: ", err)
}
// Default type should be "test"
def.Infrastructure[0].Type = "test"
def.Infrastructure[0].Flavor = "test"
def.Infrastructure[0].Foundations = nil
// Parse the raw file
f, err := appfile.ParseFile(path)
if err != nil {
t.Fatal("err: ", err)
}
// Merge
if err := def.Merge(f); err != nil {
t.Fatal("err: ", err)
}
f = def
// Create a temporary directory for the compilation data. We don't
// delete this now in case we're using any of that data, but the
// temp dir should get cleaned up by the system at some point.
td, err := ioutil.TempDir("", "otto")
if err != nil {
t.Fatal("err: ", err)
}
// Compile it!
compiler, err := appfile.NewCompiler(&appfile.CompileOpts{
Dir: td,
})
if err != nil {
t.Fatal("err: ", err)
}
result, err := compiler.Compile(f)
if err != nil {
t.Fatal("err: ", err)
}
return result
}
// Returns a loaded copy of any appfile.File we find, otherwise returns nil,
// which is valid, since Otto can detect app type and calculate defaults.
// Also returns the base dir of the appfile, which is the current WD in the
// case of a nil appfile.
func loadAppfile(flagAppfile string) (*appfile.File, string, error) {
appfilePath, err := findAppfile(flagAppfile)
if err != nil {
return nil, "", err
}
if appfilePath == "" {
wd, err := os.Getwd()
if err != nil {
return nil, "", err
}
return nil, wd, nil
}
app, err := appfile.ParseFile(appfilePath)
if err != nil {
return nil, "", err
}
return app, filepath.Dir(app.Path), nil
}
func (c *CompileCommand) Run(args []string) int {
var flagAppfile string
fs := c.FlagSet("compile", FlagSetNone)
fs.Usage = func() { c.Ui.Error(c.Help()) }
fs.StringVar(&flagAppfile, "appfile", "", "")
if err := fs.Parse(args); err != nil {
return 1
}
// Load a UI
ui := c.OttoUi()
ui.Header("Loading Appfile...")
// Determine all the Appfile paths
//
// First, if an Appfile was specified on the command-line, it must
// exist so we validate that it exists.
if flagAppfile != "" {
fi, err := os.Stat(flagAppfile)
if err != nil {
c.Ui.Error(fmt.Sprintf(
"Error loading Appfile: %s", err))
return 1
}
if fi.IsDir() {
flagAppfile = filepath.Join(flagAppfile, DefaultAppfile)
}
}
// If the Appfile is still blank, just use our current directory
if flagAppfile == "" {
var err error
flagAppfile, err = os.Getwd()
if err != nil {
c.Ui.Error(fmt.Sprintf(
"Error loading working directory: %s", err))
return 1
}
flagAppfile = filepath.Join(flagAppfile, DefaultAppfile)
}
// If we have the Appfile, then make sure it is an absoute path
if flagAppfile != "" {
var err error
flagAppfile, err = filepath.Abs(flagAppfile)
if err != nil {
c.Ui.Error(fmt.Sprintf(
"Error getting Appfile path: %s", err))
return 1
}
}
// Load the appfile. This is the only time we ever load the
// raw Appfile. All other commands load the compiled Appfile.
var app *appfile.File
if fi, err := os.Stat(flagAppfile); err == nil && !fi.IsDir() {
app, err = appfile.ParseFile(flagAppfile)
if err != nil {
c.Ui.Error(err.Error())
return 1
}
}
// Tell the user what is happening if they have no Appfile
if app == nil {
ui.Header("No Appfile found! Detecting project information...")
ui.Message(fmt.Sprintf(
"No Appfile was found. If there is no Appfile, Otto will do its best\n" +
"to detect the type of application this is and set reasonable defaults.\n" +
"This is a good way to get started with Otto, but over time we recommend\n" +
"writing a real Appfile since this will allow more complex customizations,\n" +
"the ability to reference dependencies, versioning, and more."))
}
// Parse the detectors
dataDir, err := c.DataDir()
if err != nil {
c.Ui.Error(err.Error())
return 1
}
detectorDir := filepath.Join(dataDir, DefaultLocalDataDetectorDir)
log.Printf("[DEBUG] loading detectors from: %s", detectorDir)
detectConfig, err := detect.ParseDir(detectorDir)
if err != nil {
c.Ui.Error(err.Error())
return 1
}
if detectConfig == nil {
detectConfig = &detect.Config{}
}
err = detectConfig.Merge(&detect.Config{Detectors: c.Detectors})
if err != nil {
c.Ui.Error(err.Error())
return 1
}
// Load the default Appfile so we can merge in any defaults into
// the loaded Appfile (if there is one).
appDef, err := appfile.Default(filepath.Dir(flagAppfile), detectConfig)
if err != nil {
c.Ui.Error(fmt.Sprintf(
"Error loading Appfile: %s", err))
return 1
}
// If there was no loaded Appfile and we don't have an application
// type then we weren't able to detect the type. Error.
if app == nil && appDef.Application.Type == "" {
c.Ui.Error(strings.TrimSpace(errCantDetectType))
return 1
}
// Merge the appfiles
if app != nil {
if err := appDef.Merge(app); err != nil {
c.Ui.Error(fmt.Sprintf(
"Error loading Appfile: %s", err))
return 1
}
}
app = appDef
// Compile the Appfile
ui.Header("Fetching all Appfile dependencies...")
capp, err := appfile.Compile(app, &appfile.CompileOpts{
Dir: filepath.Join(
filepath.Dir(app.Path), DefaultOutputDir, DefaultOutputDirCompiledAppfile),
Detect: detectConfig,
Callback: c.compileCallback(ui),
})
if err != nil {
c.Ui.Error(fmt.Sprintf(
"Error compiling Appfile: %s", err))
return 1
}
// Get a core
core, err := c.Core(capp)
if err != nil {
c.Ui.Error(fmt.Sprintf(
"Error loading core: %s", err))
return 1
}
// Get the active infrastructure just for UI reasons
infra := app.ActiveInfrastructure()
// Before the compilation, output to the user what is going on
ui.Header("Compiling...")
ui.Message(fmt.Sprintf(
"Application: %s (%s)",
app.Application.Name,
app.Application.Type))
ui.Message(fmt.Sprintf("Project: %s", app.Project.Name))
ui.Message(fmt.Sprintf(
"Infrastructure: %s (%s)",
infra.Type,
infra.Flavor))
ui.Message("")
// Compile!
if err := core.Compile(); err != nil {
c.Ui.Error(fmt.Sprintf(
"Error compiling: %s", err))
return 1
}
// Success!
ui.Header("[green]Compilation success!")
ui.Message(fmt.Sprintf(
"[green]This means that Otto is now ready to start a development environment,\n" +
"deploy this application, build the supporting infastructure, and\n" +
"more. See the help for more information.\n\n" +
"Supporting files to enable Otto to manage your application from\n" +
"development to deployment have been placed in the output directory.\n" +
"These files can be manually inspected to determine what Otto will do."))
return 0
}