# StellaOps Router Configuration
# This file configures the router gateway behavior, services, and routing rules.

# Payload limits control memory usage and protect against oversized requests
payloadLimits:
  maxRequestBytesPerCall: 10485760        # 10 MB - max size of a single request
  maxRequestBytesPerConnection: 104857600 # 100 MB - max total bytes per connection
  maxAggregateInflightBytes: 1073741824   # 1 GB - max total in-flight across all connections

# Routing options control how requests are distributed to microservices
routing:
  localRegion: "eu1"                      # This gateway's region
  neighborRegions:                        # Fallback regions (in order of preference)
    - eu2
    - us1
  tieBreaker: roundRobin                  # Options: roundRobin, random, leastLoaded, consistentHash
  preferLocalRegion: true                 # Prefer instances in the local region
  defaultTimeout: "00:00:30"              # 30 seconds default request timeout

# Service definitions describe the microservices the gateway routes to
services:
  - serviceName: billing
    defaultVersion: "1.0.0"
    defaultTransport: tcp                 # Options: tcp, certificate, udp, rabbitMq, inMemory
    endpoints:
      - method: POST
        path: /invoices
        defaultTimeout: "00:00:30"        # 30 seconds
        supportsStreaming: false
        requiringClaims:
          - type: role
            value: billing-admin

      - method: GET
        path: /invoices/{id}
        defaultTimeout: "00:00:05"        # 5 seconds

      - method: GET
        path: /invoices
        defaultTimeout: "00:00:10"
        supportsStreaming: true           # Streaming for large result sets

  - serviceName: inventory
    defaultVersion: "2.1.0"
    defaultTransport: certificate         # TLS with client certificates
    endpoints:
      - method: GET
        path: /items
        supportsStreaming: true

      - method: POST
        path: /items
        defaultTimeout: "00:00:15"
        requiringClaims:
          - type: role
            value: inventory-manager

      - method: PUT
        path: /items/{id}
        defaultTimeout: "00:00:15"

      - method: DELETE
        path: /items/{id}
        requiringClaims:
          - type: role
            value: admin

  - serviceName: scanner
    defaultVersion: "1.0.0"
    defaultTransport: tcp
    endpoints:
      - method: POST
        path: /scan
        defaultTimeout: "00:05:00"        # 5 minutes for long-running scans
        supportsStreaming: true

      - method: GET
        path: /scan/{id}/status

# Static instances are pre-configured microservices (optional)
# Usually instances are discovered dynamically via HELLO messages
staticInstances:
  - serviceName: billing
    version: "1.0.0"
    region: eu1
    host: billing-eu1-01.internal
    port: 5100
    transport: tcp
    weight: 100
    metadata:
      environment: production
      rack: rack-1

  - serviceName: billing
    version: "1.0.0"
    region: eu1
    host: billing-eu1-02.internal
    port: 5100
    transport: tcp
    weight: 100
    metadata:
      environment: production
      rack: rack-2

  - serviceName: billing
    version: "1.0.0"
    region: eu2
    host: billing-eu2-01.internal
    port: 5100
    transport: tcp
    weight: 80                            # Lower weight for cross-region
    metadata:
      environment: production

# Environment variable overrides:
# STELLAOPS_ROUTER_PAYLOADLIMITS__MAXREQUESTBYTESPERCALL=20971520
# STELLAOPS_ROUTER_ROUTING__DEFAULTTIMEOUT=00:01:00
# STELLAOPS_ROUTER_ROUTING__LOCALREGION=us1