{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api.openshift.com/schemas/red-hat/openshift-cluster.json",
  "title": "Red Hat OpenShift Cluster",
  "description": "Schema for an OpenShift cluster managed through the Red Hat OpenShift Cluster Manager, representing a Kubernetes cluster deployed on a cloud provider.",
  "type": "object",
  "required": ["id", "name", "state"],
  "properties": {
    "id": {
      "type": "string",
      "description": "The unique identifier of the cluster assigned by the Cluster Manager."
    },
    "name": {
      "type": "string",
      "description": "The name of the cluster, used as a human-readable identifier.",
      "minLength": 1,
      "maxLength": 54,
      "pattern": "^[a-z][a-z0-9-]*$"
    },
    "display_name": {
      "type": "string",
      "description": "The display name of the cluster shown in the Hybrid Cloud Console."
    },
    "state": {
      "type": "string",
      "description": "The current lifecycle state of the cluster.",
      "enum": [
        "error",
        "hibernating",
        "installing",
        "pending",
        "powering_down",
        "ready",
        "resuming",
        "uninstalling",
        "unknown",
        "validating",
        "waiting"
      ]
    },
    "cloud_provider": {
      "type": "object",
      "description": "The cloud provider where the cluster is deployed.",
      "properties": {
        "id": {
          "type": "string",
          "description": "The cloud provider identifier.",
          "enum": ["aws", "gcp", "azure"]
        },
        "display_name": {
          "type": "string",
          "description": "The display name of the cloud provider."
        }
      },
      "required": ["id"]
    },
    "region": {
      "type": "object",
      "description": "The cloud provider region where the cluster is deployed.",
      "properties": {
        "id": {
          "type": "string",
          "description": "The region identifier (e.g., us-east-1, europe-west1)."
        },
        "display_name": {
          "type": "string",
          "description": "The human-readable region name."
        }
      },
      "required": ["id"]
    },
    "multi_az": {
      "type": "boolean",
      "description": "Whether the cluster spans multiple availability zones for high availability.",
      "default": false
    },
    "openshift_version": {
      "type": "string",
      "description": "The OpenShift version running on the cluster.",
      "pattern": "^\\d+\\.\\d+\\.\\d+$"
    },
    "nodes": {
      "type": "object",
      "description": "The node configuration of the cluster.",
      "properties": {
        "master": {
          "type": "integer",
          "description": "The number of master nodes.",
          "minimum": 1
        },
        "compute": {
          "type": "integer",
          "description": "The number of compute (worker) nodes.",
          "minimum": 0
        },
        "infra": {
          "type": "integer",
          "description": "The number of infrastructure nodes.",
          "minimum": 0
        },
        "compute_machine_type": {
          "type": "object",
          "description": "The instance type for compute nodes.",
          "properties": {
            "id": {
              "type": "string",
              "description": "The machine type identifier."
            }
          }
        }
      }
    },
    "api": {
      "type": "object",
      "description": "The cluster API server configuration.",
      "properties": {
        "url": {
          "type": "string",
          "format": "uri",
          "description": "The URL of the cluster API server."
        },
        "listening": {
          "type": "string",
          "description": "The API server listening mode.",
          "enum": ["external", "internal"]
        }
      }
    },
    "console": {
      "type": "object",
      "description": "The OpenShift web console configuration.",
      "properties": {
        "url": {
          "type": "string",
          "format": "uri",
          "description": "The URL of the OpenShift web console."
        }
      }
    },
    "network": {
      "type": "object",
      "description": "The network configuration of the cluster.",
      "properties": {
        "machine_cidr": {
          "type": "string",
          "description": "The CIDR block for machine network.",
          "pattern": "^\\d+\\.\\d+\\.\\d+\\.\\d+/\\d+$"
        },
        "service_cidr": {
          "type": "string",
          "description": "The CIDR block for Kubernetes services."
        },
        "pod_cidr": {
          "type": "string",
          "description": "The CIDR block for Kubernetes pods."
        },
        "host_prefix": {
          "type": "integer",
          "description": "The prefix length for per-node pod CIDR allocation."
        },
        "type": {
          "type": "string",
          "description": "The network plugin type.",
          "enum": ["OpenShiftSDN", "OVNKubernetes"]
        }
      }
    },
    "subscription": {
      "type": "object",
      "description": "The subscription associated with this cluster.",
      "properties": {
        "id": {
          "type": "string",
          "description": "The subscription identifier."
        },
        "status": {
          "type": "string",
          "description": "The subscription status."
        }
      }
    },
    "creation_timestamp": {
      "type": "string",
      "format": "date-time",
      "description": "The date and time when the cluster was created in ISO 8601 format."
    },
    "expiration_timestamp": {
      "type": ["string", "null"],
      "format": "date-time",
      "description": "The date and time when the cluster is set to expire, if applicable."
    }
  },
  "$defs": {
    "MachinePool": {
      "type": "object",
      "description": "A machine pool defining a group of compute nodes with shared configuration.",
      "required": ["id", "instance_type"],
      "properties": {
        "id": {
          "type": "string",
          "description": "The unique identifier of the machine pool."
        },
        "instance_type": {
          "type": "string",
          "description": "The cloud provider instance type for nodes in this pool."
        },
        "replicas": {
          "type": "integer",
          "description": "The fixed number of nodes.",
          "minimum": 0
        },
        "autoscaling": {
          "type": "object",
          "description": "Autoscaling configuration.",
          "properties": {
            "min_replicas": {
              "type": "integer",
              "minimum": 0
            },
            "max_replicas": {
              "type": "integer",
              "minimum": 1
            }
          }
        },
        "availability_zones": {
          "type": "array",
          "description": "The availability zones for node placement.",
          "items": {
            "type": "string"
          }
        },
        "labels": {
          "type": "object",
          "description": "Kubernetes labels applied to nodes.",
          "additionalProperties": {
            "type": "string"
          }
        }
      }
    }
  },
  "examples": [
    {
      "id": "1n2j3b4k5l6m7n8o9p0q",
      "name": "production-cluster",
      "display_name": "Production Cluster",
      "state": "ready",
      "cloud_provider": {
        "id": "aws",
        "display_name": "Amazon Web Services"
      },
      "region": {
        "id": "us-east-1",
        "display_name": "US East (N. Virginia)"
      },
      "multi_az": true,
      "openshift_version": "4.15.2",
      "nodes": {
        "master": 3,
        "compute": 6,
        "infra": 3,
        "compute_machine_type": {
          "id": "m5.2xlarge"
        }
      },
      "api": {
        "url": "https://api.production-cluster.example.com:6443",
        "listening": "external"
      },
      "console": {
        "url": "https://console-openshift-console.apps.production-cluster.example.com"
      },
      "creation_timestamp": "2024-01-15T10:30:00Z",
      "expiration_timestamp": null
    }
  ]
}