docs: outputs: elasticsearch: updating doc to latest code

[eschabell]

• Lowercase all Key column entries
• Sort configuration parameters table alphabetically
• Fix aws_profile default: "default" -> "none"
• Fix tag_key default: "_flb-key" -> "flb-key"
• Fix path default: "Empty string" -> "none"
• Fix buffer_size default: "512KB" -> "512k"
• Remove redundant intro sentence
• Fix suppress_type_name description: remove incorrect "and is set to On" claim
• Update cross-references to use lowercase key names in descriptions
• Fix classic config title-case uses in examples

Applies to #2412

Summary by CodeRabbit

• New Features

  • Added AWS SigV4 and Elastic Cloud integration support with new authentication and configuration options
  • Expanded Elasticsearch output with AWS region, profile, and role ARN settings

• Documentation

  • Updated configuration examples to reflect new parameter naming convention
  • Standardized all configuration parameters from CamelCase to snake_case format
  • Enhanced YAML and CONF configuration samples with new options

[coderabbitai]

📝 Walkthrough

Walkthrough

Updated Elasticsearch output configuration documentation to rename parameters from CamelCase to snake_case convention (e.g., Host → host, Port → port) and added new AWS SigV4, OpenSearch Cloud, and authentication-related configuration options. Examples and documentation updated to reflect the new naming scheme.

Changes

Cohort / File(s)

Summary

Elasticsearch Configuration Documentation pipeline/outputs/elasticsearch.md

Comprehensive parameter naming standardization from CamelCase to snake_case (~33+ parameters renamed: Host/Port/Index/etc. to host/port/index). Added new AWS authentication parameters (aws_auth, aws_region, aws_profile, aws_role_arn, aws_service_name, aws_sts_endpoint, aws_external_id) and Elastic Cloud options (cloud_id, cloud_auth). Updated all code examples and parameter documentation blocks to reflect new naming conventions.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Suggested reviewers

• cosmo0920
• patrick-stephens

Poem

🐰 From CamelCase hops to snake_case glides,
Parameters dancing in AWS tides,
Cloud and OpenSearch, now side by side,
The Elasticsearch config takes a cleaner stride! ✨

🚥 Pre-merge checks | ✅ 3

✅ 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 describes the main change: updating Elasticsearch output documentation to reflect the latest code with snake_case parameter naming convention.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

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• Create PR with unit tests
• Post copyable unit tests in a comment

📝 Coding Plan

• Generate coding plan for human review comments

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Inline comments:
In `@pipeline/outputs/elasticsearch.md`:
- Around line 249-250: Update the fluent-bit.conf example to use Title_Case keys
for consistency: replace the entries named Cloud_id and Cloud_auth with Cloud_ID
and Cloud_Auth respectively so they match the neighboring classic-style keys
like Include_Tag_Key and Suppress_Type_Name; ensure only the key names change
and their values remain unchanged in the fluent-bit.conf example block.

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: efd2e240-40f6-425f-bd7c-a76d7981d034

📥 Commits

Reviewing files that changed from the base of the PR and between 2a548ae and 018b201.

📒 Files selected for processing (1)

• pipeline/outputs/elasticsearch.md

[eschabell]

@cosmo0920 and @patrick-stephens ready for review!