Ternary Cloud Cost Anomaly

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://github.com/api-evangelist/ternary/blob/main/json-schema/ternary-anomaly-schema.json",
  "title": "Ternary Cloud Cost Anomaly",
  "description": "Schema for a detected cloud cost anomaly in the Ternary FinOps platform.",
  "type": "object",
  "required": ["id", "cloud_provider", "status", "detected_at"],
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique identifier for the anomaly"
    },
    "cloud_provider": {
      "type": "string",
      "description": "Cloud provider where the anomaly was detected",
      "enum": ["gcp", "aws", "azure", "oci", "alibaba"]
    },
    "service": {
      "type": "string",
      "description": "Cloud service that generated the anomaly (e.g., BigQuery, EC2)"
    },
    "severity": {
      "type": "string",
      "description": "Severity level of the cost anomaly",
      "enum": ["low", "medium", "high", "critical"]
    },
    "status": {
      "type": "string",
      "description": "Current resolution status of the anomaly",
      "enum": ["open", "acknowledged", "resolved"]
    },
    "expected_cost": {
      "type": "number",
      "description": "Expected cost amount based on ML-powered historical baseline (USD)"
    },
    "actual_cost": {
      "type": "number",
      "description": "Actual observed cost amount that triggered the anomaly (USD)"
    },
    "cost_delta": {
      "type": "number",
      "description": "Difference between actual and expected cost (USD)"
    },
    "detected_at": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 timestamp when the anomaly was first detected"
    },
    "acknowledged_at": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 timestamp when the anomaly was acknowledged"
    },
    "comment": {
      "type": "string",
      "description": "Optional comment added when acknowledging the anomaly"
    },
    "affected_resources": {
      "type": "array",
      "description": "List of cloud resource identifiers contributing to the anomaly",
      "items": {
        "type": "string"
      }
    }
  },
  "examples": [
    {
      "id": "anom_abc123",
      "cloud_provider": "gcp",
      "service": "BigQuery",
      "severity": "high",
      "status": "open",
      "expected_cost": 150.00,
      "actual_cost": 2340.50,
      "cost_delta": 2190.50,
      "detected_at": "2026-05-03T08:30:00Z",
      "affected_resources": ["projects/my-project/datasets/analytics"]
    }
  ]
}