Add ability to upload executable files (#55)

* Add ability to upload executable files

docker/resource_docker_container.go

@@ -405,6 +405,12 @@ func resourceDockerContainer() *schema.Resource {
 							Required: true,
 							ForceNew: true,
 						},
+						"executable": &schema.Schema{
+							Type:     schema.TypeBool,
+							Optional: true,
+							ForceNew: true,
+							Default:  false,
+						},
 					},
 				},
 			},

docker/resource_docker_container_funcs.go

@@ -210,15 +210,23 @@ func resourceDockerContainerCreate(d *schema.ResourceData, meta interface{}) err
 	}
 
 	if v, ok := d.GetOk("upload"); ok {
+
+		var mode int64
 		for _, upload := range v.(*schema.Set).List() {
 			content := upload.(map[string]interface{})["content"].(string)
 			file := upload.(map[string]interface{})["file"].(string)
+			executable := upload.(map[string]interface{})["executable"].(bool)
 
 			buf := new(bytes.Buffer)
 			tw := tar.NewWriter(buf)
+			if executable {
+				mode = 0744
+			} else {
+				mode = 0644
+			}
 			hdr := &tar.Header{
 				Name: file,
-				Mode: 0644,
+				Mode: mode,
 				Size: int64(len(content)),
 			}
 			if err := tw.WriteHeader(hdr); err != nil {

docker/resource_docker_container_test.go

@@ -5,6 +5,8 @@ import (
 	"bytes"
 	"fmt"
 	"os"
+	"strconv"
+	"strings"
 	"testing"
 
 	dc "github.com/fsouza/go-dockerclient"
@@ -245,8 +247,13 @@ func TestAccDockerContainer_upload(t *testing.T) {
 		r := bytes.NewReader(buf.Bytes())
 		tr := tar.NewReader(r)
 
-		if _, err := tr.Next(); err != nil {
+		if header, err := tr.Next(); err != nil {
 			return fmt.Errorf("Unable to read content of tar archive: %s", err)
+		} else {
+			mode := strconv.FormatInt(header.Mode, 8)
+			if !strings.HasSuffix(mode, "744") {
+				return fmt.Errorf("File permissions are incorrect: %s", mode)
+			}
 		}
 
 		fbuf := new(bytes.Buffer)
@@ -479,6 +486,7 @@ resource "docker_container" "foo" {
 	upload {
 		content = "foo"
 		file = "/terraform/test.txt"
+		executable = true
 	}
 }
 `

website/docs/r/container.html.markdown

@@ -161,6 +161,9 @@ Each `upload` supports the following
 
 * `content` - (Required, string) A content of a file to upload.
 * `file` - (Required, string) path to a file in the container.
+* `executable` - (Optional, bool) If true, the file will be uploaded with user
+  executable permission.
+  Defaults to false.
 
 <a id="devices"></a>
 ### Devices