Table of contents
1.
Introduction
2.
CookStyle
3.
DefaultMetadataMaintainer
4.
Example
5.
Configurable attributes
6.
EmptyMetadataField
7.
Examples
8.
Configurable attributes
9.
IncludePropertyDescriptions
10.
Examples
11.
Configurable attributes
12.
IncludeResourceDescriptions
13.
Examples
14.
Configurable attributes
15.
IncludeResourceExamples
16.
Examples
16.1.
 DOC
17.
Frequently Asked Questions
17.1.
Explain the major components of Chef.
17.2.
What exactly is a Chef Node, and why is it significant?
17.3.
What distinguishes a recipe in Chef from a cookbook?
17.4.
Why are SSL certificates used in Chef?
18.
Conclusion
Last Updated: Mar 27, 2024

CookStyle Cops - Chef/Sharing Section

Author SHIVANGI MALL
0 upvote
Career growth poll
Do you think IIT Guwahati certified course can help you in your career?

Introduction

Cookstyle is a code linting tool that aids in the improvement of your Chef Infra cookbooks. It improves by identifying and automatically fixing any errors in style, grammar, and logic. Cookstyle is tailored for Chef Cookbook code and is more reliable than Rubocop. As a result, linting Cookbooks using Cookstyle will be more reliable and less likely to result in failed CI tests. In this article, we will be learning about AptRepositoryDistributionDefault, AptRepositoryNotifiesAptUpdate. We will also discuss Attribute metadata and ConflictsMetadata.

CookStyle

Cookstyle uses the RuboCop linting engine as its power source. In order to enforce a standard code style and catch frequent Ruby coding errors, RuboCop comes with over 300 rules or cops. With a portion of those cops specifically designed for cookbook development. We've tailored Cookstyle. Additionally, we ship Chef-specific cops that identify typical cookbook coding errors, tidy up unused code. It also find deprecations that prohibit cookbooks from working with the most recent versions of Chef Infra Client.

DefaultMetadataMaintainer

The department is: DefaultMetadataMaintainer

Chef/Sharing/DefaultMetadataMaintainer is the full name of the cop.

DefaultMetaDataMaintainer

Example

Incorrect

maintainer 'YOUR_COMPANY_NAME'
maintainer_email 'YOUR_EMAIL'
maintainer 'The Authors'
maintainer_email 'you@example.com'```
#### correct
```ruby
maintainer 'Bob Bobberson'
maintainer_email 'bob@bobberson.com'

Configurable attributes

Configurable Attribute

EmptyMetadataField

The department is: EmptyMetadataField

Chef/Sharing/EmptyMetadataField is the full name of the cop.

EmptyMetadataField

Fields containing an empty string shouldn't be included in metadata.rb. Either omit the field or include a value.

Examples

Incorrect

license ''

 

Correct

license 'Apache-2.0'

Configurable attributes

Configurable Attribute

IncludePropertyDescriptions

The department is: IncludePropertyDescriptions

Chef/Sharing/IncludePropertyDescriptions is the full name of the cop.

IncludePropertyDescription

Description fields should be included in resource attributes to enable automated documentation. Chef Infra Client 13.9 or newer is necessary.

Examples

Incorrect

property :foo, String

 

Correct

property :foo, String, description: "Set the important thing to..."

Configurable attributes

Configurable Attribute

IncludeResourceDescriptions

The department is: IncludeResourceDescriptions

Chef/Sharing/IncludeResourceDescriptions is the full name of the cop.

IncluderesourceDescription

Resources should have description fields so that documentation can be automated. Chef Infra Client 13.9 or newer is necessary.

Examples

#### correct

```ruby
resource_name :foo
description "The foo resource is used to do..."

Configurable attributes

Configurable Attribute

IncludeResourceExamples

The department is: IncludeResourceExamples

Chef/Sharing/IncludeResourceExamples is the full name of the cop.

IncluderesourceExample

Examples fields should be included in resources to enable automatic documentation. Chef Infra Client 13.9 or newer is necessary.

Examples

#### correct

```ruby
examples <<~DOC
  **Specify a global domain value**

  ```ruby
  macos_userdefaults 'full keyboard access to all controls' do
    key 'AppleKeyboardUIMode'
    value '2'
  end

 DOC

## Configurable attributes
<table>
<tbody><tr>
<th>Name</th>
<th>Default value</th>
<th>Configurable values</th>
</tr>
<tr>
<td style="text-align:center">Version Added</td>
<td style="text-align:center">6.10.0</td>
<td style="text-align:center">String</td>
</tr>
<tr><td style="text-align:center">Include</td>
<td style="text-align:center"><ul>
<li><code>**/resources/*.rb</code></li>
</ul>
</td>
<td style="text-align:center">Array</td>
</tr></tbody></table>

Frequently Asked Questions

Explain the major components of Chef.

The major components of the chef are the chef server, chef node, and chef workstation.

What exactly is a Chef Node, and why is it significant?

The node, a component of the Chef design, can be viewed as a physical server or a virtual machine. With Chef, any resource may be used.

What distinguishes a recipe in Chef from a cookbook?

A Recipe is created when resources are combined, and this is helpful for carrying out settings and policy. Combining Recipes creates a Cookbook, which is much easier to maintain than a single Recipe.

Why are SSL certificates used in Chef?

The Chef's initial configuration, as well as the creation of the certificate and private keys in Nginx, require the SSL certificate. This makes sure that between the Chef Client and Chef Server, the appropriate data can be obtained.

Conclusion

In this article, we have extensively discussed CookStyle Cops - Chef/Sharing Section.

We hope this blog has helped you enhance your knowledge. If you would like to learn more. Check out our articles on AWSAWS Certification, and Cloud Computing. Practice makes a man perfect. To practice and improve yourself in the interview. You can check out Top 100 SQL problemsInterview experienceCoding interview questions, and the Ultimate guide path for interviews.

ThankYou

 

Live masterclass