差分確認

Chefサーバとのdiffを確認する。

$ knife diff roles/sample-role.json
diff --knife roles/sample-role.json roles/sample-role.json
--- roles/sample-role.json  2014-09-29 16:55:35.000000000 +0900
+++ roles/sample-role.json  2014-09-29 16:55:35.000000000 +0900
@@ -1,5 +1,6 @@
 {
   "name": "sample-role",
+  "description": "sample role",
   "run_list": [
     "recipe[sample]"
   ]

Dry Runで確認

$ knife upload roles/sample-role.json --dry-run
Would update roles/sample-role.json

Chefサーバにアップロード

$ knife upload roles/sample-role.json
Updated roles/sample-role.json

変更が適用されていることを確認

ここでは「description: sample role」が追加された。

$ knife role show sample-role
chef_type:           role
default_attributes:
description:         sample role
env_run_lists:
json_class:          Chef::Role
name:                sample-role
override_attributes:
run_list:            recipe[sample]