[INFRA-443] - feat(plane-enterprise): add external-api and worker-importers workloads

[akshat5302]

• Add new importer worker deployment,
• Add new external API deployment
• Add new Jira-related envs in silo configmap
• Documentation and questions have been updated to reflect these changes.

[coderabbitai]

Walkthrough

The enterprise Helm chart adds optional External API and importer worker deployments, exposes their configuration through values and installer questions, documents the settings, and adds Jira Server importer pagination variables to the Silo ConfigMap.

Changes

Enterprise workload expansion

Layer / File(s)	Summary
Configuration contracts and Jira settings charts/plane-enterprise/Chart.yaml, charts/plane-enterprise/values.yaml, charts/plane-enterprise/questions.yml, charts/plane-enterprise/templates/config-secrets/silo.yaml, charts/plane-enterprise/README.md	Adds configuration and documentation for both optional workloads, adds Jira pagination variables with defaults to the Silo ConfigMap, and bumps the chart version to 2.8.0.
External API workload charts/plane-enterprise/templates/workloads/external-api.deployment.yaml	Conditionally creates an External API Service and Deployment with configurable replicas, resources, scheduling, secrets, S3 CA support, and HTTP readiness probing.
Importer worker workload charts/plane-enterprise/templates/workloads/worker-importers.deployment.yaml	Conditionally creates a Celery importer Deployment with configurable resources, secrets, S3 CA support, startup command, service account, and process readiness probing.

Estimated code review effort: 4 (Complex) | ~45 minutes

Sequence Diagram(s)

sequenceDiagram
  participant HelmValues
  participant Kubernetes
  participant ExternalAPIContainer
  HelmValues->>Kubernetes: Render external_api Service and Deployment when enabled
  Kubernetes->>ExternalAPIContainer: Start configured External API container
  ExternalAPIContainer-->>Kubernetes: Return HTTP readiness on port 8000

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sequenceDiagram
  participant HelmValues
  participant Kubernetes
  participant ImporterWorker
  HelmValues->>Kubernetes: Render worker_importers Deployment when enabled
  Kubernetes->>ImporterWorker: Start celery.importer
  ImporterWorker-->>Kubernetes: Report readiness from worker process

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Suggested reviewers: mguptahub, sriramveeraghanta, pratapalakshmi

Poem

A rabbit hops through charts so neat,
New workers march on tiny feet.
Jira pages flow in rows,
External APIs bloom and grow.
Helm lights every workload bright!

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
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.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly matches the main change: adding the external-api and worker-importers workloads to plane-enterprise.

✨ 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/plane-enterprise-external-api-worker-importers

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[makeplane]

Linked to Plane Work Item(s)

• (INFRA-443) feat(plane-enterprise): add external-api and worker-importers workloads + Jira Server import tuning envs

This comment was auto-generated by Plane