knife cookbook
A cookbook is the fundamental unit of configuration and policy distribution in Chef Infra.
A cookbook defines a scenario and contains everything that is required to support that scenario:
- Recipes that specify which Chef Infra built-in resources to use, as well as the order in which they are to be applied
- Attribute values, which allow environment-based configurations such as
dev
orproduction
. - Custom Resources for extending Chef Infra beyond the built-in resources.
- Files and Templates for distributing information to systems.
- Custom Ohai Plugins for extending system configuration collection beyond the Ohai defaults.
- The
metadata.rb
file, which describes the cookbook itself and any dependencies it may have.
Use the knife cookbook
subcommand to interact with cookbooks that are
located on the Chef Infra Server or the local chef-repo.
Note
bulk delete
Use the bulk delete
argument to delete cookbook files that match a
pattern defined by a regular expression. The regular expression must be
within quotes and not be surrounded by forward slashes (/).
Syntax
This argument has the following syntax:
knife cookbook bulk delete REGEX (options)
Options
This argument has the following options:
-p
,--purge
Entirely remove a cookbook (or cookbook version) from the Chef Infra Server. Use this action carefully because only one copy of any single file is stored on the Chef Infra Server. Consequently, purging a cookbook disables any other cookbook that references one or more files from the cookbook that has been purged.
Note
Examples
The following examples show how to use this knife subcommand:
Bulk delete many cookbooks
Use a regular expression to define the pattern used to bulk delete cookbooks:
knife cookbook bulk delete "^[0-9]{3}$" -p
delete
Use the delete
argument to delete a specified cookbook or cookbook
version on the Chef Infra Server (and not locally).
Syntax
This argument has the following syntax:
knife cookbook delete COOKBOOK_NAME [COOKBOOK_VERSION] (options)
Options
This argument has the following options:
-a
,--all
Delete all cookbooks (and cookbook versions).
COOKBOOK_VERSION
The version of a cookbook to be deleted. If a cookbook has only one version, this option does not need to be specified. If a cookbook has more than one version and this option is not specified, knife prompts for a version.
-p
,--purge
Entirely remove a cookbook (or cookbook version) from the Chef Infra Server. Use this action carefully because only one copy of any single file is stored on the Chef Infra Server. Consequently, purging a cookbook disables any other cookbook that references one or more files from the cookbook that has been purged.
Note
Examples
The following examples show how to use this knife subcommand:
Delete a cookbook
knife cookbook delete cookbook_name version
For example:
knife cookbook delete smartmon 0.8
Type Y
to confirm a deletion.
download
Use the download
argument to download a cookbook from the Chef Infra
Server to the current working directory.
Syntax
This argument has the following syntax:
knife cookbook download COOKBOOK_NAME [COOKBOOK_VERSION] (options)
Options
This argument has the following options:
-d DOWNLOAD_DIRECTORY
,--dir DOWNLOAD_DIRECTORY
The directory in which cookbooks are located.
-f
,--force
Overwrite an existing directory.
-N
,--latest
Download the most recent version of a cookbook.
Note
Examples
The following examples show how to use this knife subcommand:
Download a cookbook
To download a cookbook named smartmon
, enter:
knife cookbook download smartmon
list
Use the list
argument to view a list of cookbooks that are currently
available on the Chef Infra Server. The list will contain only the most
recent version for each cookbook by default.
Syntax
This argument has the following syntax:
knife cookbook list (options)
Options
This argument has the following options:
-a
,--all
Return all available versions for every cookbook.
-w
,--with-uri
Show the corresponding URIs.
Note
Examples
The following examples show how to use this knife subcommand:
View a list of cookbooks
To view a list of cookbooks:
knife cookbook list
metadata
Use the metadata
argument to generate the metadata for one or more
cookbooks.
Syntax
This argument has the following syntax:
knife cookbook metadata (options)
Options
This argument has the following options:
-a
,--all
Generate metadata for all cookbooks.
-o PATH:PATH
,--cookbook-path PATH:PATH
The directory in which cookbooks are created. This can be a colon-separated path.
Note
Examples
The following examples show how to use this knife subcommand:
Generate metadata
knife cookbook metadata -a
metadata from file
Use the metadata from file
argument to load the metadata for a
cookbook from a file.
Syntax
This argument has the following syntax:
knife cookbook metadata from file FILE
Options
This command does not have any specific options.
Examples
The following examples show how to use this knife subcommand:
View metadata
knife cookbook metadata from file /path/to/file
show
Use the show
argument to view information about a cookbook, parts of a
cookbook (attributes, definitions, files, libraries, providers, recipes,
resources, and templates), or a file that is associated with a cookbook
(including attributes such as checksum or specificity).
Syntax
This argument has the following syntax:
knife cookbook show COOKBOOK_NAME [COOKBOOK_VERSION] [PART...] [FILE_NAME] (options)
Options
This argument has the following options:
COOKBOOK_VERSION
The version of a cookbook to be shown. If a cookbook has only one version, this option does not need to be specified. If a cookbook has more than one version and this option is not specified, a list of cookbook versions is returned.
-f FQDN
,--fqdn FQDN
The FQDN of the host.
FILE_NAME
The name of a file that is associated with a cookbook.
-p PLATFORM
,--platform PLATFORM
The platform for which a cookbook is designed.
PART
The part of the cookbook to show:
attributes
,definitions
,files
,libraries
,providers
,recipes
,resources
, ortemplates
. More than one part can be specified.-V PLATFORM_VERSION
,--platform-version PLATFORM_VERSION
The version of the platform.
-w
,--with-uri
Show the corresponding URIs.
Note
Examples
The following examples show how to use this knife subcommand:
Show cookbook data
To get the list of available versions of a cookbook named
getting-started
, enter:
knife cookbook show getting-started
to return something like:
getting-started 0.3.0 0.2.0
Show cookbook versions
To show a list of data about a cookbook using the name of the cookbook and the version, enter:
knife cookbook show getting-started 0.3.0
to return something like:
attributes:
checksum: fa0fc4abf3f6787aeb5c3c5c35de667c
name: default.rb
path: attributes/default.rb
specificity: default
url: https://somelongurlhere.com
chef_type: cookbook_version
cookbook_name: getting-started
definitions: []
files: []
frozen?: false
json_class: Chef::CookbookVersion
libraries: []
Show a cookbook version
To only view data about templates, enter:
knife cookbook show getting-started 0.3.0 templates
to return something like:
checksum: a29d6f254577b830091f140c3a78b1fe
name: chef-getting-started.txt.erb
path: templates/default/chef-getting-started.txt.erb
specificity: default
url: https://someurlhere.com
Show cookbook data as JSON
To view information in JSON format, use the -F
common option as part
of the command like this:
knife cookbook show devops -F json
Other formats available include text
, yaml
, and pp
.
test
Use the test
argument to test a cookbook for syntax errors. This
argument uses Ruby syntax checking to verify every file in a cookbook
that ends in .rb and Embedded Ruby (ERB). This argument will respect
chefignore files when determining which cookbooks to test for syntax
errors.
Syntax
This argument has the following syntax:
knife cookbook test COOKBOOK_NAME (options)
Options
This argument has the following options:
-a
,--all
Test all cookbooks.
-o PATH:PATH
,--cookbook-path PATH:PATH
The directory in which cookbooks are created. This can be a colon-separated path.
Note
Examples
The following examples show how to use this knife subcommand:
Test a cookbook
knife cookbook test cookbook_name
upload
Use the upload
argument to upload one or more cookbooks (and any files
that are associated with those cookbooks) from a local repository to the
Chef Infra Server. Only files that do not already exist on the Chef
Infra Server will be uploaded.
Note
File.fnmatch
syntax).Note
.keep
—in that
directory to ensure that the directory itself is not empty.Syntax
This argument has the following syntax:
knife cookbook upload [COOKBOOK_NAME...] (options)
Options
This argument has the following options:
-a
,--all
Upload all cookbooks.
--concurrency
The number of allowed concurrent connections. Default:
10
.-d
,--include-dependencies
Ensure that when a cookbook has a dependency on one (or more) cookbooks, those cookbooks are also uploaded.
-E ENVIRONMENT
,--environment ENVIRONMENT
Use to set the environment version dependency to the cookbook version being uploaded.
--force
Update a cookbook even if the
--freeze
flag has been set.--freeze
Require changes to a cookbook be included as a new version. Only the
--force
option can override this setting.-o PATH:PATH
,--cookbook-path PATH:PATH
The directory in which cookbooks are created. This can be a colon-separated path.
Note
Examples
The following examples show how to use this knife subcommand:
Upload a cookbook
knife cookbook upload cookbook_name
Freeze a cookbook
To upload a cookbook, and then prevent other users from being able to make changes to it, enter:
knife cookbook upload redis --freeze
to return something like:
Uploading redis...
Upload completed
If a cookbook is frozen and the --force
option is not specified, knife
will return an error message similar to the following:
Uploading redis...
ERROR: Version 0.1.6 of cookbook redis is frozen. Use --force to override.