Spire Registration Structure

{
  "name": "RegistrationEntry",
  "description": "SPIRE Server registration entry defining the SPIFFE ID issued to workloads matching a set of selectors.",
  "fields": [
    {
      "name": "id",
      "type": "string",
      "description": "Unique identifier assigned by the SPIRE Server.",
      "required": false
    },
    {
      "name": "spiffe_id",
      "type": "string",
      "description": "The SPIFFE ID issued to matching workloads (spiffe://{trust-domain}/{path}).",
      "required": true
    },
    {
      "name": "parent_id",
      "type": "string",
      "description": "SPIFFE ID of the node or parent workload authorized to attest this entry.",
      "required": true
    },
    {
      "name": "selectors",
      "type": "array",
      "description": "List of type:value selector pairs that must all match for this entry to apply.",
      "required": true,
      "items": {
        "name": "Selector",
        "fields": [
          {
            "name": "type",
            "type": "string",
            "description": "Attestation plugin type (e.g., k8s, unix, docker, aws_iid).",
            "required": true
          },
          {
            "name": "value",
            "type": "string",
            "description": "Selector value (e.g., ns:default, uid:1000, pod-label:app:frontend).",
            "required": true
          }
        ]
      }
    },
    {
      "name": "ttl",
      "type": "integer",
      "description": "Time-to-live in seconds for SVIDs issued from this entry. 0 uses server default.",
      "required": false
    },
    {
      "name": "federates_with",
      "type": "array",
      "description": "Trust domain names this entry federates with.",
      "required": false
    },
    {
      "name": "dns_names",
      "type": "array",
      "description": "DNS Subject Alternative Names to include in X.509-SVIDs.",
      "required": false
    },
    {
      "name": "admin",
      "type": "boolean",
      "description": "Grants administrative access to the SPIRE Server API when true.",
      "required": false
    },
    {
      "name": "downstream",
      "type": "boolean",
      "description": "Marks this entry as a downstream SPIRE Server in a nested topology.",
      "required": false
    },
    {
      "name": "expires_at",
      "type": "integer",
      "description": "Unix timestamp after which this entry expires. 0 means no expiry.",
      "required": false
    },
    {
      "name": "hint",
      "type": "string",
      "description": "Optional hint for workloads holding multiple SVIDs.",
      "required": false
    },
    {
      "name": "created_at",
      "type": "integer",
      "description": "Unix timestamp when this entry was created.",
      "required": false
    },
    {
      "name": "revision_number",
      "type": "integer",
      "description": "Monotonically increasing revision counter.",
      "required": false
    }
  ]
}