Fix panic

=== RUN   TestAccContainerFile_content
67
panic: mode: '' expected type 'string', got unconvertible type 'int'
68

69
goroutine 16536 [running]:
70
github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema.(*ResourceData).Set(0xc00108a400, 0x1af4fe9, 0x4, 0x18dbfc0, 0x25716a0, 0x0, 0x0)
71
	/home/runner/go/pkg/mod/github.com/hashicorp/terraform-plugin-sdk/v2@v2.4.3/helper/schema/resource_data.go:230 +0x574
72
github.com/terraform-lxd/terraform-provider-lxd/lxd.resourceLxdContainerFileRead(0xc00108a400, 0x1aad460, 0xc0011ffa00, 0x7facf43a8858, 0x68)
73
	/home/runner/work/terraform-provider-lxd/terraform-provider-lxd/lxd/resource_lxd_container_file.go:146 +0x776
...

lxd/resource_lxd_container.go

@@ -328,7 +328,7 @@ func resourceLxdContainerCreate(d *schema.ResourceData, meta interface{}) error
  Source: f["source"].(string),
  UID: f["uid"].(int),
  GID: f["gid"].(int),
- Mode: f["mode"].(string),
+ Mode: f["mode"].(int),
  CreateDirectories: f["create_directories"].(bool),
  }
 
@@ -652,7 +652,7 @@ func resourceLxdContainerUpdate(d *schema.ResourceData, meta interface{}) error
  Source: f["source"].(string),
  UID: f["uid"].(int),
  GID: f["gid"].(int),
- Mode: f["mode"].(string),
+ Mode: f["mode"].(int),
  CreateDirectories: f["create_directories"].(bool),
  }
 

lxd/resource_lxd_container_file.go

@@ -54,7 +54,7 @@ func resourceLxdContainerFile() *schema.Resource {
  },
 
  "mode": {
- Type: schema.TypeString,
+ Type: schema.TypeInt,
  ForceNew: true,
  Optional: true,
  },
@@ -102,7 +102,7 @@ func resourceLxdContainerFileCreate(d *schema.ResourceData, meta interface{}) er
  Source: d.Get("source").(string),
  UID: d.Get("uid").(int),
  GID: d.Get("gid").(int),
- Mode: d.Get("mode").(string),
+ Mode: d.Get("mode").(int),
  CreateDirectories: d.Get("create_directories").(bool),
  Append: d.Get("append").(bool),
  }

lxd/shared.go

@@ -6,7 +6,6 @@ import (
  "os"
  "path"
  "path/filepath"
- "strconv"
  "strings"
 
  "github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
@@ -66,7 +65,7 @@ type File struct {
  Source string
  UID int
  GID int
- Mode string
+ Mode int
  CreateDirectories bool
  Append bool
 }
@@ -229,23 +228,16 @@ func containerUploadFile(server lxd.ContainerServer, container string, file File
  return fmt.Errorf("Target must be an absolute path with filename")
  }
 
- mode := os.FileMode(0755)
- if len(file.Mode) != 3 {
- file.Mode = "0" + file.Mode
+ mode := os.FileMode(file.Mode)
+ if mode == 0 {
+ mode = os.FileMode(0755)
  }
 
- m, err := strconv.ParseInt(file.Mode, 0, 0)
- if err != nil {
- return fmt.Errorf("Could not determine file mode %s", file.Mode)
- }
-
- mode = os.FileMode(m)
-
  // Build the file creation request, without the content.
  uid := int64(file.UID)
  gid := int64(file.GID)
  args := lxd.ContainerFileArgs{
- Mode: int(mode.Perm()),
+ Mode: int(mode),
  UID: int64(uid),
  GID: int64(gid),
  Type: "file",