{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://schema.ontai.dev/v1alpha1/domain-core/DomainResource.json",
  "title": "DomainResource",
  "description": "Governed infrastructure artifact or workload object within a domain. Declares resource ceilings (compute, storage, cardinality) that downstream AppResourceProfile instances must not exceed. No controller runs at Layer 0.",
  "x-ont-layer": "domain-core",
  "x-ont-stability": "alpha",
  "x-ont-depends-on": [
    {"group": "core.ontai.dev", "kind": "DomainIdentity", "version": "v1alpha1"}
  ],
  "type": "object",
  "required": ["apiVersion", "kind", "metadata", "spec"],
  "properties": {
    "apiVersion": {
      "type": "string",
      "const": "core.ontai.dev/v1alpha1",
      "description": "API version for this resource."
    },
    "kind": {
      "type": "string",
      "const": "DomainResource",
      "description": "Resource kind."
    },
    "metadata": {
      "$ref": "https://schema.ontai.dev/v1alpha1/shared/KubernetesMetadata.json",
      "description": "Standard Kubernetes object metadata."
    },
    "spec": {
      "type": "object",
      "description": "Desired state of the DomainResource.",
      "required": ["domainIdentityRef"],
      "properties": {
        "domainIdentityRef": {
          "type": "object",
          "description": "Structured reference to the DomainIdentity that owns this resource declaration.",
          "required": ["group", "kind", "version", "name"],
          "properties": {
            "group": { "type": "string", "const": "core.ontai.dev" },
            "kind": { "type": "string", "const": "DomainIdentity" },
            "version": { "type": "string", "const": "v1alpha1" },
            "name": { "type": "string", "description": "Name of the DomainIdentity resource." }
          },
          "additionalProperties": false
        },
        "computeCeiling": {
          "type": "object",
          "description": "Maximum compute resources permitted for any AppResourceProfile instance within this domain.",
          "required": ["cpu", "memory"],
          "properties": {
            "cpu": {
              "type": "string",
              "description": "Maximum CPU ceiling in Kubernetes resource quantity format (e.g., 4, 2000m)."
            },
            "memory": {
              "type": "string",
              "description": "Maximum memory ceiling in Kubernetes resource quantity format (e.g., 8Gi, 4096Mi)."
            }
          },
          "additionalProperties": false
        },
        "storageCeiling": {
          "type": "object",
          "description": "Maximum storage resources permitted for any AppResourceProfile instance within this domain.",
          "required": ["capacity", "storageClass"],
          "properties": {
            "capacity": {
              "type": "string",
              "description": "Maximum storage capacity ceiling in Kubernetes resource quantity format (e.g., 100Gi)."
            },
            "storageClass": {
              "type": "string",
              "description": "Name of the permitted StorageClass for storage claims within this domain."
            }
          },
          "additionalProperties": false
        },
        "kueueResourceFlavors": {
          "type": "array",
          "description": "List of Kueue ResourceFlavor names that are permitted for Kueue Job submissions within this domain.",
          "items": {
            "type": "string"
          }
        },
        "cardinalityCeiling": {
          "type": "integer",
          "description": "Maximum number of concurrent resource instances (Pods, Jobs) permitted in this domain.",
          "minimum": 1
        }
      },
      "additionalProperties": false
    },
    "status": {
      "type": "object",
      "description": "Observed state of the DomainResource.",
      "properties": {
        "conditions": {
          "type": "array",
          "description": "Standard Kubernetes condition array for this resource.",
          "items": { "$ref": "#/$defs/Condition" }
        }
      },
      "additionalProperties": false
    }
  },
  "additionalProperties": false,
  "$defs": {
    "Condition": {
      "type": "object",
      "required": ["type", "status", "lastTransitionTime", "reason", "message"],
      "properties": {
        "type": { "type": "string" },
        "status": { "type": "string", "enum": ["True", "False", "Unknown"] },
        "lastTransitionTime": { "type": "string", "format": "date-time" },
        "reason": { "type": "string" },
        "message": { "type": "string" },
        "observedGeneration": { "type": "integer" }
      },
      "additionalProperties": false
    }
  }
}