github.com/nathanielks/terraform@v0.6.1-0.20170509030759-13e1a62319dc/builtin/providers/archive/archiver.go (about)

     1  package archive
     2  
     3  import (
     4  	"fmt"
     5  	"os"
     6  )
     7  
     8  type Archiver interface {
     9  	ArchiveContent(content []byte, infilename string) error
    10  	ArchiveFile(infilename string) error
    11  	ArchiveDir(indirname string) error
    12  	ArchiveMultiple(content map[string][]byte) error
    13  }
    14  
    15  type ArchiverBuilder func(filepath string) Archiver
    16  
    17  var archiverBuilders = map[string]ArchiverBuilder{
    18  	"zip": NewZipArchiver,
    19  }
    20  
    21  func getArchiver(archiveType string, filepath string) Archiver {
    22  	if builder, ok := archiverBuilders[archiveType]; ok {
    23  		return builder(filepath)
    24  	}
    25  	return nil
    26  }
    27  
    28  func assertValidFile(infilename string) (os.FileInfo, error) {
    29  	fi, err := os.Stat(infilename)
    30  	if err != nil && os.IsNotExist(err) {
    31  		return fi, fmt.Errorf("could not archive missing file: %s", infilename)
    32  	}
    33  	return fi, err
    34  }
    35  
    36  func assertValidDir(indirname string) (os.FileInfo, error) {
    37  	fi, err := os.Stat(indirname)
    38  	if err != nil {
    39  		if os.IsNotExist(err) {
    40  			return fi, fmt.Errorf("could not archive missing directory: %s", indirname)
    41  		}
    42  		return fi, err
    43  	}
    44  	if !fi.IsDir() {
    45  		return fi, fmt.Errorf("could not archive directory that is a file: %s", indirname)
    46  	}
    47  	return fi, nil
    48  }