Envoy¶

Field	Value
Purpose	Envoy-specific configuration — L7 proxy and communication bus for service mesh
Repo	AmadlaOrg/Entities/Application/LoadBalancer/Envoy
Entity URI	`amadla.org/entity/application/load-balancer/envoy@v1.0.0`
Parent type	Application/LoadBalancer

Schema¶

Property	Type	Description
`admin.address`	string	Admin interface listen address
`admin.port`	integer	Admin interface listen port
`listeners`	array of objects	Listener definitions (`name`, `address`, `port`, `filter_chains`)
`clusters`	array of objects	Cluster (upstream) definitions (`name`, `type`, `lb_policy`, `endpoints`)
`overload_manager`	object	Overload manager for resource monitoring and protection

Cluster type can be STRICT_DNS, LOGICAL_DNS, STATIC, or EDS.

Example¶

_type: amadla.org/entity/application/load-balancer/envoy@v1.0.0
_extends: amadla.org/entity/application/load-balancer@v1.0.0
_body:
  listen_address: 0.0.0.0
  listen_port: 10000
  algorithm: roundrobin
  health_check:
    enabled: true
    interval: 5s
    timeout: 3s
    path: /health
  admin:
    address: 127.0.0.1
    port: 9901
  listeners:
    - name: listener_0
      address: 0.0.0.0
      port: 10000
      filter_chains: []
  clusters:
    - name: web_service
      type: STRICT_DNS
      lb_policy: ROUND_ROBIN
      endpoints:
        - address: 10.0.1.10
          port: 8080
        - address: 10.0.1.11
          port: 8080
    - name: api_service
      type: STRICT_DNS
      lb_policy: LEAST_REQUEST
      endpoints:
        - address: 10.0.2.10
          port: 9090

Consumers¶

Tool	How It Uses Application/LoadBalancer/Envoy
lay	Installs the `envoy` binary
weaver	Generates `/etc/envoy/envoy.yaml`
enjoin-service	Enables/starts `envoy` service