schema.json

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "array",
  "items": {
    "type": "object",
    "properties": {
      "name": {
        "type": "string"
      },
      "source": {
        "type": "array",
        "items": {
          "type": "string"
        },
        "uniqueItems": true
      },
      "accounts": {
        "type": "array",
        "items": {
          "type": "string",
          "minLength": 12,
          "maxLength": 12
        },
        "uniqueItems": true
      },
      "type": {
        "enum": [
          "aws"
        ]
      },
      "enabled": {
        "type": "boolean",
        "default": true
      },
      "deprecated_date": {
        "type": "string",
        "format": "date",
        "pattern": "^\\d{4}-\\d{2}-\\d{2}$"
      }
    },
    "required": [
      "name",
      "accounts"
    ],
    "additionalProperties": false,
    "if": {
      "properties": {
        "deprecated_date": {
          "type": "string"
        }
      },
      "required": ["deprecated_date"]
    },
    "then": {
      "properties": {
        "enabled": {
          "const": false
        }
      }
    }
  }
}