knife diff
knife diff subcommand to compare the differences between files
and directories on the Chef Infra Server and in the chef-repo. For
example, to compare files on the Chef Infra Server before uploading or
downloading files using the knife download and knife upload
subcommands, or to ensure that certain files in multiple production
environments are the same. This subcommand is similar to the git diff
command that can be used to diff what is in the chef-repo with what is
synced to a git repository.Syntax
This subcommand has the following syntax:
knife diff [PATTERN...] (options)
Options
Note
This subcommand has the following options:
--chef-repo-path PATHThe path to the chef-repo. This setting will override the default path to the chef-repo. Default: same value as specified by
chef_repo_pathin client.rb.--cookbook-version VERSIONThe version of a cookbook to download.
--concurrencyThe number of allowed concurrent connections. Default:
10.--diff-filter=[(A|D|M|T)...[*]]Select only files that have been added (
A), deleted (D), modified (M), and/or have had their type changed (T). Any combination of filter characters may be used, including no filter characters. Use*to select all paths if a file matches other criteria in the comparison. Default value:nil.--name-onlyShow only the names of modified files.
--name-statusShow only the names of files with a status of
Added,Deleted,Modified, orType Changed.--no-recurseUse
--no-recurseto disable listing a directory recursively. Default:--recurse.--repo-mode MODEThe layout of the local chef-repo. Possible values:
static,everything, orhosted_everything. Usestaticfor just roles, environments, cookbooks, and data bags. By default,everythingandhosted_everythingare dynamically selected depending on the server type. Default:everything/hosted_everything.
Note
Examples
The following examples show how to use this knife subcommand:
Compare files that contain JSON data
To compare the base.json role to a webserver.json role, enter:
knife diff roles/base.json roles/webserver.json
Compare the chef-repo and the server
To compare the differences between the local chef-repo and the files that are on the Chef Infra Server, enter:
knife diff
Compare, then return results
To diff a node named node-lb and then only return files that have been
added, deleted, modified, or changed, enter:
knife diff --name-status node-lb
to return something like:
node-lb/recipes/eip.rb
node-lb/recipes/heartbeat-int.rb
node-lb/templates/default/corpsite.conf.erb
node-lb/files/default/wildcard.node.com.crt
node-lb/files/default/wildcard.node.com.crt-2009
node-lb/files/default/wildcard.node.com.key
node-lb/.gitignore
node-lb/Rakefile