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@TheOneironaut TheOneironaut commented Dec 2, 2025

This PR adds a comprehensive series of Ansible tutorials to the Content/ansible directory. The modules cover the following topics:

01-intro.md: Introduction, architecture, and installation.
02-inventory.md: Inventory management (static and dynamic).
03-ad-hoc-commands.md: Using Ad-hoc commands.
04-playbooks.md: Writing basic Playbooks.
05-variables.md: Working with variables and Facts.
06-conditionals-loops.md: Using loops and conditionals.
07-templates.md: Creating templates with Jinja2.
08-roles.md: Project organization using Roles.
09-error-handling.md: Error handling and debugging.

Summary by CodeRabbit

  • Documentation
    • Added a complete Ansible learning path: introduction, architecture, core concepts, and installation guidance.
    • Added practical guides covering inventory formats, ad‑hoc commands, and playbooks with examples and usage tips.
    • Added advanced topics: variables, conditionals & loops, templating with examples, roles workflow, and error‑handling patterns.
    • Updated documentation index with navigational links to all Ansible instructional modules and examples.

✏️ Tip: You can customize this high-level summary in your review settings.

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coderabbitai bot commented Dec 2, 2025

Walkthrough

Adds a new Ansible documentation suite: nine Markdown guides covering introduction, inventory, ad-hoc commands, playbooks, variables, conditionals & loops, templates, roles, and error handling, plus an updated README linking to these modules.

Changes

Cohort / File(s) Change Summary
Ansible docs: core guides
Content/ansible/01-intro.md, Content/ansible/02-inventory.md, Content/ansible/03-ad-hoc-commands.md, Content/ansible/04-playbooks.md, Content/ansible/05-variables.md, Content/ansible/06-conditionals-loops.md, Content/ansible/07-templates.md, Content/ansible/08-roles.md, Content/ansible/09-error-handling.md
Added nine new Markdown documentation files covering Ansible fundamentals: introduction and architecture; inventory formats (INI/YAML), groups and examples; ad-hoc commands and common modules; playbook structure and examples; variable types and precedence; conditionals and loops with examples; Jinja2 templates and usage; roles structure and workflows; and error handling (ignore_errors, failed_when, blocks/rescue/always). Each file includes examples and code snippets.
README update
Content/ansible/README.md
Added a "Modules" subsection listing and linking to the new instructional pages.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10–15 minutes

  • Pay attention to:
    • YAML/INI code block correctness and indentation
    • Shell command accuracy (installation, ansible/ansible-playbook flags)
    • Link targets in Content/ansible/README.md
    • Consistent formatting and heading levels across files

Poem

🐇 I hopped through docs with a pen so bright,
Wove plays and hosts beneath lantern light,
Templates and loops in rows I sowed,
Roles and handlers on paths I strode,
A carrot for code — automation takes flight.

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The title accurately and specifically describes the main change: adding nine comprehensive Ansible documentation modules covering core Ansible concepts and features.
Docstring Coverage ✅ Passed No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
✨ Finishing touches
🧪 Generate unit tests (beta)
  • Create PR with unit tests
  • Post copyable unit tests in a comment

Comment @coderabbitai help to get the list of available commands and usage tips.

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Actionable comments posted: 2

🧹 Nitpick comments (11)
Content/ansible/02-inventory.md (1)

10-13: Remove excess blank lines after TOC.

There are three consecutive blank lines (lines 10-12) before the first section heading. Reduce to one or two for consistency with markdown standards and other documents in this PR.

  - [Default Location](#default-location)

-

 ## What is Inventory?
Content/ansible/03-ad-hoc-commands.md (1)

11-14: Remove excess blank lines after TOC.

Three consecutive blank lines (11-13) appear before the first section. This is inconsistent with markdown conventions and appears across multiple files in this PR. Reduce to one or two blank lines.

  - [Service Management](#service-management)

-

 ## What are Ad-Hoc Commands?
Content/ansible/04-playbooks.md (1)

13-23: Move "Related Labs" section to the end of the document.

The "Related Labs" tip (lines 13-23) appears before the fundamental concepts are explained. Readers encountering the reference labs before learning what a playbook is may feel disoriented. Relocate this section to the end of the document, after all content has been covered.

Content/ansible/09-error-handling.md (1)

72-81: Blocks, rescue, and always section is excellently explained with a practical recovery example.

The database upgrade scenario (lines 84-111) effectively demonstrates error handling patterns with real-world relevance: attempting a task, reverting on failure, and always cleaning up. This example-driven approach helps readers understand the try/catch/finally analogy clearly. Consider optionally hyphenating "error-handling logic" on line 74 for compound modifier consistency, though both forms are acceptable.

Content/ansible/07-templates.md (4)

30-34: Add language specifier to the first code block example.

The plain text example block should include a language specifier for consistency with markdownlint standards.

  Instead of writing:
-```
+```plaintext
  server_name example.com;
  port 80;
-```
+```

45-45: Minor style suggestion: Replace "get" with more formal phrasing.

- And when the template is executed, the variables are replaced at runtime.  Ansible uses the **Jinja2**
+ And when the template is executed, the variables are replaced at runtime. Ansible uses the **Jinja2**

102-117: Add language specifiers to directory structure blocks.

Both directory tree examples should have a language specifier (e.g., plaintext or bash) for consistency with markdown standards.

  **1. Playbook-level templates:**
-```
+```plaintext
  my-project/
  ├── playbook.yml
  └── templates/
      └── nginx.conf.j2
-```
+```

  **2. Role-level templates:**
-```
+```plaintext
  my-project/
  ├── playbook.yml
  └── roles/
      └── nginx/
          └── templates/
              └── nginx.conf.j2
-```
+```

125-138: Use heading level 4 for filter category subsections.

Lines 125 and other subsection headers use bold text instead of proper markdown headings, which can impact navigation and TOC generation.

- ### Common Filters
+ #### Common Filters
Content/ansible/08-roles.md (3)

46-62: Add language specifier to the role structure directory block.

The directory tree example should include a language specifier (e.g., plaintext or bash) for consistency with markdown standards.

  A role has a standardized directory structure. Ansible automatically knows where to find tasks, variables, handlers, etc., based on this structure.

-```
+```plaintext
  roles/
  my_role/
    tasks/
      main.yml
  ...
-```
+```

122-152: Use heading level 4 for methods subsections.

The three methods for passing variables to roles use bold text (lines 126, 136, 146) instead of proper markdown headings. Upgrading to #### will improve document structure and navigation.

  ### Passing Variables to Roles

  You can pass variables to roles in several ways:

-**Method 1: Inline variables**
+#### Method 1: Inline variables

  ```yaml
  - hosts: webservers
    roles:
      - role: nginx
        nginx_port: 8080
        nginx_user: www-data

-Method 2: Using vars
+#### Method 2: Using vars

- hosts: webservers
  vars:
    nginx_port: 8080
  roles:
    - nginx

-Method 3: In inventory
+#### Method 3: In inventory

[webservers]
web1 nginx_port=8080

---

`181-195`: **Add language specifier to the role directory structure example.**

The directory tree showing the Nginx role structure should include a language specifier.



```diff
  This creates:

-```
+```plaintext
  roles/nginx/
  ├── defaults/
  │   └── main.yml
  ├── files/
  ├── handlers/
  │   └── main.yml
  ├── meta/
  │   └── main.yml
  ├── tasks/
  │   └── main.yml
  ├── templates/
  └── vars/
      └── main.yml
-```
+```
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Reviewing files that changed from the base of the PR and between f062718 and bd9482c.

📒 Files selected for processing (10)
  • Content/ansible/01-intro.md (1 hunks)
  • Content/ansible/02-inventory.md (1 hunks)
  • Content/ansible/03-ad-hoc-commands.md (1 hunks)
  • Content/ansible/04-playbooks.md (1 hunks)
  • Content/ansible/05-variables.md (1 hunks)
  • Content/ansible/06-conditionals-loops.md (1 hunks)
  • Content/ansible/07-templates.md (1 hunks)
  • Content/ansible/08-roles.md (1 hunks)
  • Content/ansible/09-error-handling.md (1 hunks)
  • Content/ansible/README.md (1 hunks)
🧰 Additional context used
🪛 LanguageTool
Content/ansible/09-error-handling.md

[grammar] ~74-~74: Use a hyphen to join words.
Context: ... to group tasks together and apply error handling logic, similar to `try/catch/fi...

(QB_NEW_EN_HYPHEN)

Content/ansible/07-templates.md

[style] ~45-~45: The verb “get” can be informal. Consider replacing it with a form of “to be”.
Context: ...an use one template with variables that get replaced at runtime. Ansible uses the *Jinja2...

(GET_USED_ARE_USED)

🪛 markdownlint-cli2 (0.18.1)
Content/ansible/07-templates.md

46-46: Fenced code blocks should have a language specified

(MD040, fenced-code-language)


126-126: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)


136-136: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)


146-146: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)


181-181: Fenced code blocks should have a language specified

(MD040, fenced-code-language)

Content/ansible/08-roles.md

46-46: Fenced code blocks should have a language specified

(MD040, fenced-code-language)


126-126: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)


136-136: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)


146-146: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)


181-181: Fenced code blocks should have a language specified

(MD040, fenced-code-language)

🔇 Additional comments (13)
Content/ansible/01-intro.md (1)

1-51: Content is clear, accurate, and well-structured.

The introduction effectively covers core Ansible concepts, architecture, and installation with concise explanations and a helpful link to official documentation. The progression from conceptual overview to practical setup is pedagogically sound.

Content/ansible/02-inventory.md (1)

13-86: Inventory concepts and examples are well-explained.

The document clearly distinguishes between INI and YAML formats, provides practical host and group variable examples, and explains the default inventory location with a concrete command. The progression is logical and accessible.

Content/ansible/03-ad-hoc-commands.md (1)

14-82: Ad-hoc command examples are practical and well-annotated.

The document provides clear syntax explanation, practical examples across common modules (ping, command, shell, apt, yum, service), and includes helpful notes about privilege escalation with --become. The distinction between shell and command modules is particularly useful.

Content/ansible/04-playbooks.md (2)

13-23: Verify that referenced lab files exist.

The document references ansible-labs/ansible+vagrant-lab/master-playbook.yaml and ansible-labs/ansible+vagrant-lab/backend-playbook.yaml. Ensure these files exist in the repository; otherwise, the links will be broken for readers.


25-87: Playbook concepts, YAML syntax, and examples are clear and accurate.

The document effectively explains YAML fundamentals, playbook structure, and provides practical examples. The progression from syntax rules to complete working examples is pedagogically sound. Code blocks are properly formatted.

Content/ansible/05-variables.md (1)

14-95: Variable concepts comprehensively covered with accurate precedence hierarchy.

The document effectively explains variable definition across multiple scopes (playbooks, inventory, files), registered variables, magic variables, and precedence. The precedence list is clear and authoritative, helping readers understand which variable definitions take priority. Examples are practical and show real-world usage patterns.

Content/ansible/06-conditionals-loops.md (1)

13-83: Conditionals and loops are well-explained with practical examples.

The document clearly demonstrates the when statement with realistic conditions (ansible_os_family), explains variable-based conditionals, and provides progressively complex loop examples from simple lists to dictionary-based iterations. Examples follow Ansible best practices.

Content/ansible/09-error-handling.md (1)

115-161: Debugging strategies section is comprehensive and actionable.

The document covers three debugging approaches (debug module, verbose mode, interactive debugger) with practical examples. The verbosity levels (-v through -vvvv) are clearly explained, and the interactive debugger example (lines 156-161) shows how to inspect and retry tasks, making the section particularly valuable for troubleshooting scenarios.

Content/ansible/README.md (1)

1-17: Module links are well-organized and properly formatted.

The new Modules section provides clear navigation to the tutorial content with correct relative paths and consistent list formatting. Once the missing 09-error-handling.md link is added, readers will have complete access to the full Ansible documentation suite.

Content/ansible/07-templates.md (1)

186-317: Excellent practical examples with complete coverage.

The three practical examples (Nginx, hosts file, and application config) are well-structured with both playbook and template code, demonstrating realistic use cases clearly. Cross-references to related docs (roles, playbooks, variables) enhance navigation.

Content/ansible/08-roles.md (3)

169-350: Outstanding comprehensive Nginx role walkthrough.

The complete example progression (Steps 1-6) is exemplary. The combination of tasks, handlers, templates, defaults vs. vars distinction, and final playbook usage provides clear learning path. The explanation of handlers and variable precedence is particularly valuable.


352-387: Strong Ansible Galaxy integration section.

Clear guidance on installing from Galaxy, using requirements.yml, and searching/inspecting roles. The requirements.yml example with pinned versions is best practice.


389-397: Best practices are actionable and well-grounded.

The seven best practices (use defaults, document roles, focus responsibility, use handlers, test roles, version, metadata) reflect real-world Ansible development patterns. Mention of Molecule for testing is particularly helpful.

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Actionable comments posted: 1

📜 Review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between bd9482c and 614fb5f.

📒 Files selected for processing (8)
  • Content/ansible/01-intro.md (1 hunks)
  • Content/ansible/02-inventory.md (1 hunks)
  • Content/ansible/03-ad-hoc-commands.md (1 hunks)
  • Content/ansible/04-playbooks.md (1 hunks)
  • Content/ansible/07-templates.md (1 hunks)
  • Content/ansible/08-roles.md (1 hunks)
  • Content/ansible/09-error-handling.md (1 hunks)
  • Content/ansible/README.md (1 hunks)
✅ Files skipped from review due to trivial changes (1)
  • Content/ansible/02-inventory.md
🚧 Files skipped from review as they are similar to previous changes (2)
  • Content/ansible/01-intro.md
  • Content/ansible/03-ad-hoc-commands.md
🧰 Additional context used
🪛 markdownlint-cli2 (0.18.1)
Content/ansible/08-roles.md

6-6: Link fragments should be valid

(MD051, link-fragments)


7-7: Link fragments should be valid

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8-8: Link fragments should be valid

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9-9: Link fragments should be valid

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16-16: Link fragments should be valid

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17-17: Link fragments should be valid

(MD051, link-fragments)

Content/ansible/04-playbooks.md

4-4: Link fragments should be valid

(MD051, link-fragments)

Content/ansible/07-templates.md

4-4: Link fragments should be valid

(MD051, link-fragments)


5-5: Link fragments should be valid

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6-6: Link fragments should be valid

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7-7: Link fragments should be valid

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9-9: Link fragments should be valid

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10-10: Link fragments should be valid

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11-11: Link fragments should be valid

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12-12: Link fragments should be valid

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13-13: Link fragments should be valid

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15-15: Link fragments should be valid

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16-16: Link fragments should be valid

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17-17: Link fragments should be valid

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18-18: Link fragments should be valid

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19-19: Link fragments should be valid

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20-20: Link fragments should be valid

(MD051, link-fragments)


21-21: Link fragments should be valid

(MD051, link-fragments)


24-24: Unordered list indentation
Expected: 0; Actual: 3

(MD007, ul-indent)


29-29: Fenced code blocks should have a language specified

(MD040, fenced-code-language)

🔇 Additional comments (8)
Content/ansible/04-playbooks.md (2)

15-83: Content is accurate and well-structured.

The YAML syntax explanation, playbook structure, and example Nginx playbook effectively introduce core concepts. The running section and --limit usage are practical and appropriate.


91-92: Verify external lab resource paths.

Lines 91–92 reference relative paths to lab files (ansible-labs/ansible+vagrant-lab/README.md, ansible-labs/ansible+vagrant-lab/master-playbook.yaml, etc.). Ensure these files exist in the repository, otherwise the links will be broken.

Content/ansible/README.md (1)

8-18: Modules section is complete and well-organized.

The new "Modules" section (lines 8–18) now includes all nine documentation files (01-09), including the previously missing "Error Handling" link on line 18. Navigation is consistent and complete.

Content/ansible/08-roles.md (2)

29-236: Content is comprehensive, accurate, and pedagogically sound.

The explanations of roles, handlers, and the distinction between defaults and vars (line 122–124) are clear. Examples are practical: the Nginx role (lines 41–82), templates (lines 126–168), and Galaxy workflows (lines 192–227) effectively demonstrate concepts. Best practices (lines 229–236) are actionable.


4-25: Verify section headings match TOC entries.

The TOC (lines 4–25) references major sections including "Role Structure," "Creating Roles," "Using Roles," and "Complete Example: Nginx Role," but corresponding H2 headings are not visible in the provided code excerpt. Static analysis flagged MD051 errors on these TOC lines (6–17).

Confirm that all TOC entries have matching section headings in the full document by checking for H2 headings that correspond to each major TOC entry.

Content/ansible/09-error-handling.md (2)

1-14: TOC structure and headings are well-aligned.

All six major sections (lines 4–14) have corresponding H2 headings, and subsections properly align with H3 headings. TOC anchors match heading text correctly.


18-160: Content is technically accurate and practical.

Explanations of ignore_errors (with appropriate warnings), failed_when, changed_when, and block/rescue/always patterns are clear and correct. The database upgrade recovery example (lines 85–111) effectively demonstrates realistic error handling with notifications. Debug strategies section (lines 115–160) covers all major debugging approaches with practical examples.

Content/ansible/07-templates.md (1)

1-48: Review comment contains incorrect assessment of file completeness.

The snippet provided actually shows the complete lines 1–48 as stated in the header, including the full Table of Contents (lines 1–21) and content through the Best Practices section (lines 24–48). The original claim that "only the end of the file (lines 24–48) is shown" with "TOC and earlier sections missing" is inaccurate.

Without access to verify the mentioned markdown lint errors (MD051, MD007, MD040) or confirm whether all TOC links have corresponding section headings elsewhere in the full document, these concerns cannot be substantiated.

Likely an incorrect or invalid review comment.

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Actionable comments posted: 2

♻️ Duplicate comments (1)
Content/ansible/04-playbooks.md (1)

12-13: Critical: "What is a Playbook?" section is empty—add introductory content.

The TOC links to #what-is-a-playbook (line 4), and the heading exists at line 12, but the section contains no content before the YAML Syntax section begins. Readers will encounter a section title with no explanation. Add introductory text describing what playbooks are, their purpose, and why they're important.

Apply this diff to add introductory content:

 ## What is a Playbook?
+
+Playbooks are the files where Ansible code is written. Playbooks are written in YAML format. They allow you to declare configurations, orchestrate steps of any manually ordered process, even on different sets of machines, in a defined order, and launch tasks synchronously or asynchronously.
 
 ## YAML Syntax
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📒 Files selected for processing (5)
  • Content/ansible/01-intro.md (1 hunks)
  • Content/ansible/02-inventory.md (1 hunks)
  • Content/ansible/04-playbooks.md (1 hunks)
  • Content/ansible/07-templates.md (1 hunks)
  • Content/ansible/08-roles.md (1 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
  • Content/ansible/01-intro.md
🧰 Additional context used
🪛 markdownlint-cli2 (0.18.1)
Content/ansible/07-templates.md

36-36: Fenced code blocks should have a language specified

(MD040, fenced-code-language)


125-125: Heading levels should only increment by one level at a time
Expected: h3; Actual: h4

(MD001, heading-increment)

🔇 Additional comments (3)
Content/ansible/02-inventory.md (1)

1-84: Solid inventory documentation with clear examples and good structure.

The file provides a comprehensive overview of Ansible inventory concepts with both INI and YAML format examples, host/group variables, and practical usage guidance. The organization is logical and the examples are clear.

Content/ansible/08-roles.md (1)

1-397: Comprehensive and well-structured roles documentation with excellent practical example.

The Nginx role walkthrough (lines 169–350) is particularly valuable—it demonstrates the complete role lifecycle from structure creation through templates and playbook integration. The best practices section provides actionable guidance. All TOC entries resolve correctly.

Content/ansible/07-templates.md (1)

1-355: Comprehensive templates documentation with practical examples and advanced topics.

The three end-to-end examples (Nginx, Hosts, Application Config) effectively demonstrate template usage in realistic scenarios. The filters table and conditionals/loops sections provide solid reference material. Whitespace control guidance (lines 348–353) is a nice touch for advanced users. After fixing the two markdown lint issues noted above, this will be polished.

The markdown lint issues at lines 36 and 125 should be addressed before merge to maintain consistency with linting standards.

Signed-off-by: TheOneironaut <genspark_dev@genspark.ai>
Signed-off-by: TheOneironaut <genspark_dev@genspark.ai>
Signed-off-by: TheOneironaut <genspark_dev@genspark.ai>
… and fix markdown formatting

- Add description to empty 'What is a Playbook?' section in 04-playbooks.md
- Fix code block language specifier in 07-templates.md (line 36)
- Fix heading hierarchy in 07-templates.md: Change h4 to h3 for 'Common Filters' section

These changes address the critical feedback from CodeRabbit bot review.

Signed-off-by: TheOneironaut <genspark_dev@genspark.ai>
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Actionable comments posted: 1

🧹 Nitpick comments (1)
Content/ansible/01-intro.md (1)

44-47: Installation command targets Debian/Ubuntu; consider adding platform notes.

The apt-based installation is appropriate for many Linux distributions but assumes Debian/Ubuntu. While this is acceptable for a beginner intro, a brief note or link to platform-specific alternatives (yum/dnf for RHEL, pacman for Arch, brew for macOS) would improve inclusivity.

Consider adding a short note:

 To install Ansible, you generally need Python installed on your control node.
 
+The example below uses `apt` (Debian/Ubuntu). For other platforms, see [Installing Ansible](https://docs.ansible.com/ansible/latest/installation_guide/intro_installation.html).
+
 ```bash
 sudo apt update
 sudo apt install ansible

This preserves simplicity for the primary audience while pointing learners on other platforms to the official guide.

</blockquote></details>

</blockquote></details>

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<summary>📜 Review details</summary>

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**Review profile**: CHILL

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<details>
<summary>📥 Commits</summary>

Reviewing files that changed from the base of the PR and between 5a76b3ac8d326f437e07759b58e7bb013022fa30 and 250ff28fa278d8638752a9cca0e7da992d9243d5.

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<summary>📒 Files selected for processing (10)</summary>

* `Content/ansible/01-intro.md` (1 hunks)
* `Content/ansible/02-inventory.md` (1 hunks)
* `Content/ansible/03-ad-hoc-commands.md` (1 hunks)
* `Content/ansible/04-playbooks.md` (1 hunks)
* `Content/ansible/05-variables.md` (1 hunks)
* `Content/ansible/06-conditionals-loops.md` (1 hunks)
* `Content/ansible/07-templates.md` (1 hunks)
* `Content/ansible/08-roles.md` (1 hunks)
* `Content/ansible/09-error-handling.md` (1 hunks)
* `Content/ansible/README.md` (1 hunks)

</details>

<details>
<summary>🚧 Files skipped from review as they are similar to previous changes (6)</summary>

* Content/ansible/06-conditionals-loops.md
* Content/ansible/05-variables.md
* Content/ansible/02-inventory.md
* Content/ansible/04-playbooks.md
* Content/ansible/03-ad-hoc-commands.md
* Content/ansible/09-error-handling.md

</details>

<details>
<summary>🔇 Additional comments (7)</summary><blockquote>

<details>
<summary>Content/ansible/README.md (1)</summary><blockquote>

`8-18`: **Modules section is complete and well-linked.** ✓

All nine Ansible modules are now listed with consistent link formatting. The previously missing Error Handling module link has been properly included. The subsection provides clear navigation to all documentation topics.

</blockquote></details>
<details>
<summary>Content/ansible/08-roles.md (3)</summary><blockquote>

`369-377`: **Galaxy requirements.yml example is accurate.** ✓

The requirements.yml format showing name and version entries aligns with current Ansible Galaxy documentation. The example correctly demonstrates optional version specification (the mysql entry omits version), which is consistent with Galaxy's behavior.

---

`76-80`: **Important note on auto-loading is helpful.**

The callout explaining that Ansible automatically loads `tasks/main.yml`, `handlers/main.yml`, etc. is excellent guidance for newcomers. This clarifies a common point of confusion when creating roles.

---

`153-167`: **Role dependencies section is clear and practical.** ✓

The meta/main.yml dependency example (lines 157-165) correctly shows how to define role dependencies with both simple and parameterized forms. The explanation that dependencies are automatically executed first is critical guidance.

</blockquote></details>
<details>
<summary>Content/ansible/01-intro.md (1)</summary><blockquote>

`4-7`: **TOC is now correctly aligned with section headers.** ✓

All four TOC entries properly map to their corresponding section headers (What is Ansible?, Core Concepts, Architecture, Installation). The anchor links will resolve correctly.

</blockquote></details>
<details>
<summary>Content/ansible/07-templates.md (2)</summary><blockquote>

`186-316`: **Practical examples are comprehensive and well-structured.** ✓

The three real-world examples (Nginx config, hosts file, app config) demonstrate progressive complexity and cover key template features: variables, loops, conditionals, filters. The playbook→template pairing makes it easy to understand practical application.

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`318-354`: **Best practices are practical and cover important ground.** ✓

The eight best practices (`.j2` naming, comments, defaults, validation, backup, simplicity, whitespace control, testing) are well-chosen and address common pitfalls. The validation example (line 335) showing `nginx -t -c %s` is particularly valuable for preventing broken deployments.

</blockquote></details>

</blockquote></details>

</details>

<!-- This is an auto-generated comment by CodeRabbit for review status -->

Comment on lines +139 to +145
#### Chaining Filters

You can chain multiple filters:

```jinja2
{{ username | default('guest') | upper }}
```
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⚠️ Potential issue | 🟡 Minor

Fix heading level: "Chaining Filters" should be h3, not h4.

Line 139 defines #### Chaining Filters (h4), which breaks heading hierarchy from the preceding ### Common Filters (h3). Headings should increment by one level at a time.

Apply this diff:

 ### Common Filters
 
 | Filter | Description | Example |
 ...
-#### Chaining Filters
+### Chaining Filters
🤖 Prompt for AI Agents
In Content/ansible/07-templates.md around lines 139 to 145, the "Chaining
Filters" heading is level 4 (####) but should be level 3 to follow the preceding
"Common Filters" h3; change the heading marker from #### to ### so the document
heading hierarchy increments correctly.

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