{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://aws.amazon.com/schemas/redshift/cluster.json",
  "title": "Amazon Redshift Cluster",
  "description": "Schema for an Amazon Redshift provisioned cluster resource, representing a fully managed petabyte-scale data warehouse in the AWS cloud. Includes cluster configuration, networking, security, and operational metadata as described in the Amazon Redshift Management Guide.",
  "type": "object",
  "required": [
    "ClusterIdentifier",
    "NodeType",
    "MasterUsername",
    "DBName"
  ],
  "properties": {
    "ClusterIdentifier": {
      "type": "string",
      "description": "The unique identifier of the cluster. Must be lowercase, begin with a letter, contain only alphanumeric characters and hyphens, and be between 1 and 63 characters.",
      "pattern": "^[a-z][a-z0-9-]*$",
      "minLength": 1,
      "maxLength": 63,
      "examples": ["my-redshift-cluster"]
    },
    "ClusterStatus": {
      "type": "string",
      "description": "The current state of the cluster",
      "enum": [
        "available",
        "creating",
        "deleting",
        "final-snapshot",
        "hardware-failure",
        "incompatible-hsm",
        "incompatible-network",
        "incompatible-parameters",
        "incompatible-restore",
        "modifying",
        "paused",
        "rebooting",
        "renaming",
        "resizing",
        "rotating-keys",
        "storage-full",
        "updating-hsm"
      ]
    },
    "ClusterAvailabilityStatus": {
      "type": "string",
      "description": "The availability status of the cluster for queries",
      "enum": [
        "Available",
        "Unavailable",
        "Maintenance",
        "Modifying"
      ]
    },
    "NodeType": {
      "type": "string",
      "description": "The node type for the nodes in the cluster",
      "enum": [
        "dc2.large",
        "dc2.8xlarge",
        "ra3.xlplus",
        "ra3.4xlarge",
        "ra3.16xlarge"
      ]
    },
    "NumberOfNodes": {
      "type": "integer",
      "description": "The number of compute nodes in the cluster. For single-node clusters this is 1.",
      "minimum": 1,
      "maximum": 128,
      "default": 1
    },
    "ClusterType": {
      "type": "string",
      "description": "The type of the cluster based on number of nodes",
      "enum": [
        "single-node",
        "multi-node"
      ]
    },
    "DBName": {
      "type": "string",
      "description": "The name of the initial database created when the cluster was provisioned. Default is 'dev'.",
      "default": "dev",
      "examples": ["dev", "mydb"]
    },
    "MasterUsername": {
      "type": "string",
      "description": "The admin user name for the cluster. Must be lowercase, begin with a letter, contain only alphanumeric characters, and be between 1 and 128 characters.",
      "minLength": 1,
      "maxLength": 128
    },
    "Endpoint": {
      "$ref": "#/$defs/Endpoint"
    },
    "ClusterCreateTime": {
      "type": "string",
      "format": "date-time",
      "description": "The date and time that the cluster was created"
    },
    "AutomatedSnapshotRetentionPeriod": {
      "type": "integer",
      "description": "The number of days that automatic cluster snapshots are retained. Default is 1.",
      "minimum": 0,
      "maximum": 35,
      "default": 1
    },
    "ManualSnapshotRetentionPeriod": {
      "type": "integer",
      "description": "The default number of days to retain a manual snapshot. -1 means indefinitely.",
      "minimum": -1,
      "maximum": 3653,
      "default": -1
    },
    "ClusterSecurityGroups": {
      "type": "array",
      "description": "List of cluster security groups associated with the cluster",
      "items": {
        "$ref": "#/$defs/ClusterSecurityGroupMembership"
      }
    },
    "VpcSecurityGroups": {
      "type": "array",
      "description": "List of VPC security groups associated with the cluster",
      "items": {
        "$ref": "#/$defs/VpcSecurityGroupMembership"
      }
    },
    "ClusterParameterGroups": {
      "type": "array",
      "description": "List of cluster parameter groups associated with this cluster",
      "items": {
        "$ref": "#/$defs/ClusterParameterGroupStatus"
      }
    },
    "ClusterSubnetGroupName": {
      "type": "string",
      "description": "The name of the subnet group associated with the cluster"
    },
    "VpcId": {
      "type": "string",
      "description": "The identifier of the VPC the cluster is in",
      "pattern": "^vpc-[a-z0-9]+$",
      "examples": ["vpc-0abc123def456"]
    },
    "AvailabilityZone": {
      "type": "string",
      "description": "The name of the Availability Zone in which the cluster is located",
      "examples": ["us-east-1a"]
    },
    "PreferredMaintenanceWindow": {
      "type": "string",
      "description": "The weekly time range for system maintenance in UTC, formatted as ddd:hh24:mi-ddd:hh24:mi",
      "examples": ["sun:05:00-sun:05:30"]
    },
    "ClusterVersion": {
      "type": "string",
      "description": "The version ID of the Amazon Redshift engine running on the cluster",
      "examples": ["1.0"]
    },
    "AllowVersionUpgrade": {
      "type": "boolean",
      "description": "Whether major version upgrades are applied automatically during the maintenance window",
      "default": true
    },
    "PubliclyAccessible": {
      "type": "boolean",
      "description": "Whether the cluster can be accessed from a public network",
      "default": false
    },
    "Encrypted": {
      "type": "boolean",
      "description": "Whether data in the cluster is encrypted at rest",
      "default": false
    },
    "KmsKeyId": {
      "type": "string",
      "description": "The AWS KMS key ID used for encryption of data at rest",
      "examples": ["arn:aws:kms:us-east-1:123456789012:key/abcd1234-ef56-gh78-ij90-klmn1234opqr"]
    },
    "EnhancedVpcRouting": {
      "type": "boolean",
      "description": "Whether enhanced VPC routing is enabled, forcing all COPY and UNLOAD traffic through the VPC",
      "default": false
    },
    "IamRoles": {
      "type": "array",
      "description": "List of IAM roles associated with the cluster for authorization",
      "items": {
        "$ref": "#/$defs/ClusterIamRole"
      }
    },
    "MaintenanceTrackName": {
      "type": "string",
      "description": "The name of the maintenance track for the cluster",
      "enum": [
        "current",
        "trailing"
      ],
      "default": "current"
    },
    "ElasticResizeNumberOfNodeOptions": {
      "type": "string",
      "description": "The number of nodes that you can resize the cluster to using elastic resize"
    },
    "AquaConfiguration": {
      "$ref": "#/$defs/AquaConfiguration"
    },
    "TotalStorageCapacityInMegaBytes": {
      "type": "integer",
      "format": "int64",
      "description": "The total storage capacity of the cluster in megabytes"
    },
    "ClusterNamespaceArn": {
      "type": "string",
      "description": "The namespace ARN of the cluster",
      "examples": ["arn:aws:redshift:us-east-1:123456789012:namespace:abcd1234-ef56-gh78-ij90"]
    },
    "Tags": {
      "type": "array",
      "description": "Tags associated with the cluster",
      "items": {
        "$ref": "#/$defs/Tag"
      }
    }
  },
  "$defs": {
    "Endpoint": {
      "type": "object",
      "description": "Connection endpoint for the cluster",
      "properties": {
        "Address": {
          "type": "string",
          "description": "The DNS address of the cluster endpoint",
          "examples": ["my-redshift-cluster.abc123xyz.us-east-1.redshift.amazonaws.com"]
        },
        "Port": {
          "type": "integer",
          "description": "The port that the database engine is listening on",
          "default": 5439,
          "examples": [5439]
        },
        "VpcEndpoints": {
          "type": "array",
          "description": "List of VPC endpoints for the cluster",
          "items": {
            "type": "object",
            "properties": {
              "VpcEndpointId": {
                "type": "string",
                "description": "The VPC endpoint identifier"
              },
              "VpcId": {
                "type": "string",
                "description": "The VPC identifier"
              },
              "NetworkInterfaces": {
                "type": "array",
                "description": "Network interfaces of the endpoint",
                "items": {
                  "type": "object",
                  "properties": {
                    "NetworkInterfaceId": {
                      "type": "string",
                      "description": "The network interface identifier"
                    },
                    "SubnetId": {
                      "type": "string",
                      "description": "The subnet identifier"
                    },
                    "PrivateIpAddress": {
                      "type": "string",
                      "format": "ipv4",
                      "description": "The private IP address of the interface"
                    },
                    "AvailabilityZone": {
                      "type": "string",
                      "description": "The Availability Zone"
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "ClusterSecurityGroupMembership": {
      "type": "object",
      "description": "Describes a cluster security group membership",
      "properties": {
        "ClusterSecurityGroupName": {
          "type": "string",
          "description": "The name of the cluster security group"
        },
        "Status": {
          "type": "string",
          "description": "The status of the cluster security group",
          "enum": ["active", "adding", "removing"]
        }
      }
    },
    "VpcSecurityGroupMembership": {
      "type": "object",
      "description": "Describes a VPC security group membership",
      "properties": {
        "VpcSecurityGroupId": {
          "type": "string",
          "description": "The identifier of the VPC security group"
        },
        "Status": {
          "type": "string",
          "description": "The status of the VPC security group",
          "enum": ["active", "adding", "removing"]
        }
      }
    },
    "ClusterParameterGroupStatus": {
      "type": "object",
      "description": "Describes the status of a cluster parameter group",
      "properties": {
        "ParameterGroupName": {
          "type": "string",
          "description": "The name of the cluster parameter group"
        },
        "ParameterApplyStatus": {
          "type": "string",
          "description": "The status of parameter updates",
          "enum": ["in-sync", "pending-reboot"]
        },
        "ClusterParameterStatusList": {
          "type": "array",
          "description": "List of individual parameter statuses",
          "items": {
            "type": "object",
            "properties": {
              "ParameterName": {
                "type": "string",
                "description": "The name of the parameter"
              },
              "ParameterApplyType": {
                "type": "string",
                "description": "The apply type of the parameter",
                "enum": ["static", "dynamic"]
              },
              "ParameterApplyStatus": {
                "type": "string",
                "description": "The status of the parameter"
              }
            }
          }
        }
      }
    },
    "ClusterIamRole": {
      "type": "object",
      "description": "An IAM role associated with the cluster",
      "properties": {
        "IamRoleArn": {
          "type": "string",
          "description": "The ARN of the IAM role",
          "pattern": "^arn:aws:iam::\\d{12}:role/.+$",
          "examples": ["arn:aws:iam::123456789012:role/RedshiftCopyRole"]
        },
        "ApplyStatus": {
          "type": "string",
          "description": "The status of the IAM role association",
          "enum": ["in-sync", "adding", "removing"]
        }
      }
    },
    "AquaConfiguration": {
      "type": "object",
      "description": "AQUA (Advanced Query Accelerator) configuration for the cluster",
      "properties": {
        "AquaStatus": {
          "type": "string",
          "description": "The value represents how the cluster is configured for using AQUA",
          "enum": ["enabled", "disabled", "applying"]
        },
        "AquaConfigurationStatus": {
          "type": "string",
          "description": "The user-configured AQUA setting",
          "enum": ["enabled", "disabled", "auto"]
        }
      }
    },
    "Tag": {
      "type": "object",
      "description": "A tag consisting of a key-value pair",
      "required": ["Key"],
      "properties": {
        "Key": {
          "type": "string",
          "description": "The key of the tag. Maximum 128 Unicode characters.",
          "maxLength": 128
        },
        "Value": {
          "type": "string",
          "description": "The value of the tag. Maximum 256 Unicode characters.",
          "maxLength": 256
        }
      }
    }
  }
}