{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api-evangelist.github.io/service-mesh-interface/json-schema/traffic-metrics-schema.json",
  "title": "SMI TrafficMetrics",
  "description": "Service Mesh Interface (SMI) TrafficMetrics resource (metrics.smi-spec.io/v1alpha1). Provides a common integration point for tools consuming metrics related to HTTP traffic, exposed via a Kubernetes APIService. Source: https://github.com/servicemeshinterface/smi-spec/blob/main/apis/traffic-metrics/v1alpha1/traffic-metrics.md",
  "type": "object",
  "required": ["kind", "resource"],
  "properties": {
    "kind": { "const": "TrafficMetrics" },
    "apiVersion": { "const": "metrics.smi-spec.io/v1alpha1" },
    "resource": {
      "type": "object",
      "required": ["name", "namespace", "kind"],
      "properties": {
        "name": { "type": "string" },
        "namespace": { "type": "string" },
        "kind": { "type": "string", "enum": ["Pod", "Namespace", "Deployment", "StatefulSet", "DaemonSet", "Service"] }
      }
    },
    "edge": {
      "type": "object",
      "description": "Optional traffic edge (source resource for the observed traffic).",
      "properties": {
        "direction": { "type": "string", "enum": ["to", "from"] },
        "side": { "type": "string", "enum": ["client", "server"] },
        "resource": {
          "type": "object",
          "properties": {
            "name": { "type": "string" },
            "namespace": { "type": "string" },
            "kind": { "type": "string" }
          }
        }
      }
    },
    "timestamp": { "type": "string", "format": "date-time" },
    "window": {
      "type": "string",
      "description": "ISO-8601-style duration window (e.g. '30s')."
    },
    "metrics": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["name", "value"],
        "properties": {
          "name": {
            "type": "string",
            "enum": [
              "p99_response_latency",
              "p90_response_latency",
              "p50_response_latency",
              "success_count",
              "failure_count"
            ]
          },
          "unit": { "type": "string" },
          "value": { "type": "string" }
        }
      }
    }
  }
}