Stratosphere is the Control Plane for a globally scalable SaaS platform. It manages the full tenant lifecycle, from provisioning to offboarding, treating infrastructure as a flexible product.
Stratosphere enables dynamic configuration of isolation levels based on subscription tiers:
- Pool Tier (Free/Pro): Tenants share microservices and databases (row-level security with
tenant_id), optimizing infrastructure density and cost. - Silo Tier (Enterprise): High-value tenants receive dedicated Pods and isolated databases, separated by Kubernetes Namespaces and Network Policies for maximum security and performance guarantees.
Leveraging the Istio Service Mesh, Stratosphere injects granular Rate Limits and request priorities. If a "Pool" tenant consumes excessive resources, they are automatically throttled without degrading the performance of other tenants on the same node.
Enterprise tenant provisioning is automated via a custom Kubernetes Operator that generates Terraform resources, reducing onboarding time from days to minutes.
- Orchestrator: Kubernetes
- Service Mesh: Istio
- IaC: Terraform
- Language: Go (Operator SDK)
# Apply the Tenant CRD
kubectl apply -f config/crd/bases/saas.stratosphere.io_tenants.yaml
# Provision a new Enterprise Tenant
kubectl apply -f examples/tenant_enterprise.yaml