[khewonc]

What does this PR do?

Uses the user provided manifest instead of a defaulted manifest to create shared configs and dependencies for profiles and ddas. Previously, we used the defaulted manifest, so we couldn't tell if a config was set by the user or defaulted. For profile overlays, this meant we'd favor a defaulted (but unset) config over a user-set profile config

Motivation

https://datadoghq.atlassian.net/browse/CONTP-2154

Additional Notes

Profiles now apply explicit SSI settings even when instrumentation.enabled is omitted, instead of ignoring them:
DDA

instrumentation:
  enabled: true
  languageDetection:
    enabled: true

Profile

instrumentation:
  languageDetection:
    enabled: false

Before: profile setting ignored

instrumentation:
  enabled: true
  languageDetection:
    enabled: true

After: profile setting overrides the DDA

instrumentation:
  enabled: true
  languageDetection:
    enabled: false

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

1. Deploy operator with profiles enabled
2. Create a dda with admission controller, apm, and ssi enabled:

 features:
   admissionController:
     enabled: true
   apm:
     enabled: true
     instrumentation:
       enabled: true
       languageDetection:
         enabled: true

3. Create a profile with language detection disabled and apm host port 9126 enabled:

 features:
   apm:
     hostPortConfig:
       enabled: true
       hostPort: 9126
     instrumentation:
       languageDetection:
         enabled: false

4. Check that the dap is applied: kubectl get dap <dap> -o jsonpath='{.status.applied}{"\n"}' should be true
5. Check that language detection is disabled in default and profile ddais: kubectl get ddai <ddai> -o jsonpath='{.spec.features.apm.instrumentation.languageDetection.enabled}{"\n"}' should be false
6. Check the host ports: kubectl get ddai -o custom-columns='NAME:.metadata.name,APM_HOST_PORT:.spec.features.apm.hostPortConfig.hostPort'. The profile DDAI should show 9126; the default DDAI should show

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)

[chatgpt-codex-connector]

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-10-06T14:57:27.230297Z	a9c8914	PR opened

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Reviewed commit: a9c8914e97

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