func FromRemoteStdPipe(verbose bool, overrideLocalDir string) (*Context, error) {
tempDir, err := ioutil.TempDir(os.TempDir(), "syst-temp")
if err != nil {
return nil, fmt.Errorf("Unable to create temporary dir: %v", err)
}
// Since this is remote, we need it usable by everyone since SFTP from the other side writes here...
if err := os.Chmod(tempDir, os.ModePerm); err != nil {
return nil, fmt.Errorf("Unable to change temp dir privs: %v", err)
}
pipe := NewLocalToRemotePipe(os.Stdin, os.Stdout)
// We need to grab the data from the remote
// TODO: I would like to support << and >> for remote template parsing, but it would require
// us sending back the entire set of data each time because we need "prev" data
conf, err := pipe.Request("get-context-data")
if err != nil {
return nil, fmt.Errorf("Unable to get context data: %v", err)
}
ctx := &Context{}
ctx.Logger = util.GoLoggerWrapper(log.New(os.Stdout, "", log.LstdFlags), verbose)
ctx.Resources = newRemoteResources(ctx)
ctx.Data = data.NewData()
if err = json.Unmarshal([]byte(conf), &ctx.Data.Values); err != nil {
return nil, fmt.Errorf("Unable to unmarshal context data from JSON: %v", err)
}
ctx.IsRemote = true
ctx.BaseLocalDir = overrideLocalDir
ctx.TempDir = tempDir
ctx.RemotePipe = pipe
return ctx, nil
}
func FromConfigFiles(files []string, verbose bool, overrideLocalDir string) (*Context, error) {
tempDir, err := ioutil.TempDir(os.TempDir(), "syst-temp")
if err != nil {
return nil, fmt.Errorf("Unable to create temporary dir: %v", err)
}
ctx := &Context{
Logger: util.GoLoggerWrapper(log.New(os.Stdout, "", log.LstdFlags), verbose),
Resources: resource.LocalResources(),
Data: data.NewData(),
TempDir: tempDir,
BaseLocalDir: overrideLocalDir,
}
if overrideLocalDir == "" {
wd, err := os.Getwd()
if err != nil {
return nil, fmt.Errorf("Unable to obtain working dir: %v", err)
}
ctx.BaseLocalDir = wd
}
// Load each file, strip JSON comments, load into data
for _, file := range files {
byts, err := ioutil.ReadFile(file)
if err != nil {
return nil, fmt.Errorf("Unable to read file %v: %v", file, err)
}
if err = ctx.Data.ApplyTemplateAndMerge(byts, unmarshalStripped); err != nil {
return nil, fmt.Errorf("Error handling config file %v: %v", file, err)
}
}
return ctx, nil
}