feat(PL-6792): configurable env pattern

[silphid]

We need to be able to progressively roll out the operator’s management of different environments. Currently, it’s hardcoded to watch all environments in catalog.

We can now configure a value like environments/{dev,demo}/env.yaml to selectively target dev and demo envs.

Summary by CodeRabbit

• New Features
  • Added configurable environment source file patterns for catalog deployments.
  • The default pattern is environments/*/env.yaml.
  • Helm chart deployments can now override this pattern through configuration.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: d980117d-419d-43cf-97ed-6ccbe3c77a93

📥 Commits

Reviewing files that changed from the base of the PR and between b7b9a0e and 2a47b7c.

📒 Files selected for processing (5)

• chart/templates/deployment.yaml
• chart/values.yaml
• cmd/operator/conf.go
• cmd/operator/main.go
• cmd/operator/reconciler_catalog.go

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📝 Walkthrough

Walkthrough

The operator now accepts a configurable environment source glob through Helm and ENV_SOURCE_PATTERN, passes it to catalog reconciliation, and uses it for Argo CD application source inclusion.

Changes

Environment source pattern

Layer / File(s)	Summary
Environment pattern configuration chart/values.yaml, chart/templates/deployment.yaml, cmd/operator/conf.go	Adds the Helm setting and renders ENV_SOURCE_PATTERN; operator configuration reads it with a default of environments/*/env.yaml.
Catalog reconciler integration cmd/operator/main.go, cmd/operator/reconciler_catalog.go	Passes EnvSourcePattern into the catalog reconciler and uses it instead of the hardcoded Argo CD include pattern.

Estimated code review effort: 2 (Simple) | ~10 minutes

Sequence Diagram(s)

sequenceDiagram
  participant Helm
  participant OperatorConfig
  participant CatalogReconciler
  participant ArgoCD
  Helm->>OperatorConfig: provide ENV_SOURCE_PATTERN
  OperatorConfig->>CatalogReconciler: pass EnvSourcePattern
  CatalogReconciler->>ArgoCD: set source directory Include

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🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly summarizes the main change: making the environment pattern configurable.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feat/PL-6792/configurable-env-pattern

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