function-example.yaml

---
apiVersion: functions.eigr.io/v1
kind: Function
metadata:
  name: shopping-cart # Mandatory. Name of the function
  # The namespace where the role will be deployed to the cluster. 
  # All proxies deployed in a given namespace form a cluster, that is, they are visible to each other.
  # Proxies that exist in other namespaces are invisible to those in this namespace
  namespace: default # Optional. Default namespace is "default"
spec:
  backend:
    image: cloudstateio/cloudstate-python-tck:latest # Mandatory
    language: python # Optional. Default is none.This parameter is only used to define the defaults resource limits of a user container.
    runtime: grpc # Optional. Default grpc. Currently only one `grpc` runtime is provided, in the future we will support webassembly/wasm runtimes    
    #cookie: "6eycE1E/S341t4Bcto262ffyFWklCWHQIKloJDJYR7Y=" # Cookie to authenticated with others functions in same namespace. Optional. Default is generated by operator.
    features:
      eventing: false # Optional. Default is false.
      eventingMappings:
        sources:
          - name: shopping-cart-source
            serviceName: ShoppingCart
            rpcMethodName: AddItem
            type: kafka
            config:
              url: kafka:9092
              topic: shopping-cart-in-events
              groupId: shopping-cart-group
              credentials:
                secrets: kafka-credentials-secret
                # If the credentials are stored in a secret, the username and password are not needed.
                username: kafka-user # Use only in local development
                password: kafka-password # Use only in local development
        sinks:
          - name: shopping-cart-sink
            serviceName: ShoppingCart
            rpcMethodName: AddItem
            type: rabbitmq
            config:
              url: rabbitmq:9092
              topic: shopping-cart-out-events
              credentials:
                secrets: rabbitmq-credentials-secret
                # If the credentials are stored in a secret, the username and password are not needed.
                username: rabbitmq-user # Use only in local development
                password: rabbitmq-password # Use only in local development
      typeMappings: false # Optional. Default is false.
      typeMappingsKeys:
        - typeName: AddLineItem
          persistentKey: user_id
        - typeName: RemoveLineItem
          persistentKey: user_id 
        - typeName: GetShoppingCart
          persistentKey: user_id  
      httpTranscode: true # Optional. Default is false.          
      httpTranscodeMappings:
        - serviceName: ShoppingCart
          rpcMethodName: AddItem
          path: /cart/{user_id}/items/add
          method: POST
          body: "*"
        - serviceName: ShoppingCart
          rpcMethodName: RemoveItem
          path: /cart/{user_id}/items/{product_id}
          method: DELETE
        - serviceName: ShoppingCart
          rpcMethodName: GetCart
          path: /cart/{user_id}
          method: GET
          additionalBindings:
            - path: /cart/{user_id}/items
              method: GET
              responseBody: "items"
    expose:
      method: ingress #ingress # Optional. Default is none. Supported values are: ingress, nodeport, loadbalancer
      ingress:
        className: nginx
        host: shopping-cart.eigr.io # Mandatory
        useTls: true # Optional. Default is false
        tls:
          secretName: shopping-cart-tls # Mandatory if "use-tls" is true. Name of the secret containing the TLS certificate. Defaults to the eigr-functions-tls
          certManager:
            clusterIssuer: eigr-functions-cluster-issuer # Mandatory
          #  cn: shopping-cart.eigr.io # Optional. Default is none
          #  duration: 2h # Optional. Default is none
          #  renewBefore: 1h # Optional. Default is none
          #  usages: # Optional. Default is none
          #    - "digital signature"
          #    - "key encipherment"
          #    - "server auth"
          #  http01IngressClass: nginx-ingress-controller # Optional. Default is none
          #  http01EditInplace: "true" # Optional. Default is none
      #loadBalancer: # Optional. Default is none.
      #  port: 8080
      #  targetPort: 9000
      #nodePort: # Optional. Default is none. Use this only in development.
      #  port: 8080
      #  targetPort: 9000
      #  nodePort: 30001
    autoscaler: # Optional
      strategy: hpa # Optional. For now, only hpa is supported
      minReplicas: 1 # Optional. Default is 1
      maxReplicas: 100 # Optional. Default is 100
      averageCpuUtilizationPercentage: 80 # Optional. Default is 80
      averageMemoryUtilizationValue: 100Mi # Optional. Default is 100Mi
    resources: # Optional
      requests:
        cpu: 100m
        memory: 100Mi
      limits:
        cpu: 100m
        memory: 100Mi
    portBindings: # Optional
      type: grpc # uds, grpc
      port: 8080 # 8080
      socketPath: /var/run/eigr/functions.sock # Optional. Default is none. Only used if type is uds