Operator manifest renderer

[levan-m]

What does this PR do?

Offline renderer to generate k8s manifests from DDA, DAP custom resources without running a cluster.

Motivation

What inspired you to submit this pull request?

Additional Notes

Anything else we should know when reviewing?

Minimum Agent Versions

Are there minimum versions of the Datadog Agent and/or Cluster Agent required?

• Agent: vX.Y.Z
• Cluster Agent: vX.Y.Z

Describe your test plan

see the README.md in the diff.

Checklist

• PR has at least one valid label: bug, enhancement, refactoring, documentation, tooling, and/or dependencies
• PR has a milestone or the qa/skip-qa label
• All commits are signed (see: signing commits)

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[chatgpt-codex-connector]

Enable profile mode independently from --dap inputs

ProfileEnabled is currently tied to len(dapFiles) > 0, which means the renderer cannot reproduce clusters where DatadogAgentProfileEnabled is on but no DatadogAgentProfile resources exist. In the real reconciler, that flag still triggers profile reconciliation and applies the default profile path (which adjusts node-agent scheduling overrides), so this shortcut yields different manifests for profile-enabled deployments and can produce incorrect golden baselines even when users intentionally render with zero DAP files.

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[levan-m]

stale

[codecov-commenter]

Codecov Report

❌ Patch coverage is 49.65035% with 144 lines in your changes missing coverage. Please review.
✅ Project coverage is 43.91%. Comparing base (bd0f5e2) to head (3fd11c7).
⚠️ Report is 8 commits behind head on main.

Files with missing lines	Patch %	Lines
cmd/operator-render/main.go	0.00%	53 Missing ⚠️
internal/controller/testutils/renderer/renderer.go	57.95%	21 Missing and 16 partials ⚠️
internal/controller/testutils/renderer/output.go	62.29%	18 Missing and 5 partials ⚠️
internal/controller/testutils/renderer/collect.go	56.25%	7 Missing and 7 partials ⚠️
internal/controller/testutils/renderer/load.go	47.82%	6 Missing and 6 partials ⚠️
internal/controller/testutils/renderer/sort.go	82.75%	3 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2947      +/-   ##
==========================================
+ Coverage   42.90%   43.91%   +1.01%     
==========================================
  Files         341      349       +8     
  Lines       29403    30529    +1126     
==========================================
+ Hits        12614    13408     +794     
- Misses      15965    16230     +265     
- Partials      824      891      +67     

Flag	Coverage Δ
unittests	43.91% <49.65%> (+1.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
internal/controller/testutils/renderer/sort.go	82.75% <82.75%> (ø)
internal/controller/testutils/renderer/load.go	47.82% <47.82%> (ø)
internal/controller/testutils/renderer/collect.go	56.25% <56.25%> (ø)
internal/controller/testutils/renderer/output.go	62.29% <62.29%> (ø)
internal/controller/testutils/renderer/renderer.go	57.95% <57.95%> (ø)
cmd/operator-render/main.go	0.00% <0.00%> (ø)

... and 16 files with indirect coverage changes

---

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🛑 Gate Violations

🎯 1 Code Coverage issue detected

A Patch coverage percentage gate may be blocking this PR.

• Patch coverage: 47.58% (threshold: 80.00%)

ℹ️ Info

🎯 Code Coverage (details)
• Patch Coverage: 47.58%
• Overall Coverage: 44.23% (+0.99%)

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[tbavelier]

LGTM. works, will be great for Agent loops / quickly test. Some unit tests would be nice, but nit