proxy/envoy.conf.template

{
  "listeners": [
    {
      "address": "tcp://0.0.0.0:${PORT}",
      "bind_to_port": true,
      "filters": [
        {
          "type": "read",
          "name": "http_connection_manager",
          "config": {
            "codec_type": "auto",
            "stat_prefix": "ingress_http",
            "route_config": {
              "virtual_hosts": [
                {
                  "name": "backend",
                  "domains": ["*"],
                  "routes": [
                    {
                      "timeout_ms": 0,
                      "prefix": "/",
                      "cluster": "service1",
                      "opaque_config": {
                        "mixer_control": "on",
                        "mixer_forward": "off"
                      }
                    }
                  ]
                }
              ]
            },
            "access_log": [
              {
                "path": "/dev/stdout"
              }
            ],
            "filters": [
              {
                "type": "decoder",
                "name": "mixer",
                "config": {
                  "mixer_server": "${MIXER_SERVER}",
                  "mixer_attributes": {
                      "target.uid": "POD222",
                      "target.service": "foo.svc.cluster.local"
                  },
                  "quota_name": "RequestCount",
                  "quota_amount": "1",
		  "check_cache_expiration_seconds": 1,
                  "check_cache_keys": [
                      "request.host",
                      "request.path",
                      "origin.user",
		      "request.headers/apikey",
		      "request.headers/authorization"
                  ]
                }
              },
              {
                "type": "decoder",
                "name": "router",
                "config": {}
              }
            ]
          }
        }
      ]
    },
    {
      "address": "tcp://0.0.0.0:7070",
      "bind_to_port": true,
      "filters": [
        {
          "type": "read",
          "name": "http_connection_manager",
          "config": {
            "codec_type": "auto",
            "stat_prefix": "ingress_http",
            "route_config": {
              "virtual_hosts": [
                {
                  "name": "backend",
                  "domains": ["*"],
                  "routes": [
                    {
                      "timeout_ms": 0,
                      "prefix": "/",
                      "cluster": "service2"
                    }
                  ]
                }
              ]
            },
            "access_log": [
              {
                "path": "/dev/stdout"
              }
            ],
            "filters": [
              {
                "type": "decoder",
                "name": "mixer",
                "config": {
                   "mixer_server": "${MIXER_SERVER}",
                   "forward_attributes": {
                      "source.uid": "POD11",
                      "source.namespace": "XYZ11"
                   }
                }
              },
              {
                "type": "decoder",
                "name": "router",
                "config": {}
              }
            ]
          }
        }
      ]
    }
  ],
  "admin": {
    "access_log_path": "/dev/stdout",
    "address": "tcp://0.0.0.0:9001"
  },
  "cluster_manager": {
    "clusters": [
      {
        "name": "service1",
        "connect_timeout_ms": 5000,
        "type": "strict_dns",
        "lb_type": "round_robin",
        "hosts": [
          {
            "url": "tcp://${BACKEND}"
          }
        ]
      },
      {
        "name": "service2",
        "connect_timeout_ms": 5000,
        "type": "strict_dns",
        "lb_type": "round_robin",
        "hosts": [
          {
            "url": "tcp://localhost:9090"
          }
        ]
      }
    ]
  }
}