{
  "openapi": "3.0.3",
  "info": {
    "title": "Akka Management API",
    "description": "REST API provided by Akka Management for cluster health checks, membership management, and cluster bootstrap operations.",
    "version": "1.0.0",
    "contact": {
      "name": "Akka",
      "url": "https://doc.akka.io/docs/akka-management/current/"
    },
    "license": {
      "name": "Business Source License 1.1",
      "url": "https://akka.io/license/"
    }
  },
  "servers": [
    {
      "url": "http://localhost:8558",
      "description": "Default Akka Management HTTP endpoint"
    }
  ],
  "paths": {
    "/alive": {
      "get": {
        "operationId": "getAlive",
        "summary": "Akka Liveness Check",
        "description": "Returns 200 if the actor system is running. Used for Kubernetes liveness probes.",
        "tags": [
          "Health"
        ],
        "responses": {
          "200": {
            "description": "Actor system is alive.",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "status": {
                      "type": "string",
                      "example": "Up"
                    }
                  }
                }
              }
            }
          },
          "500": {
            "description": "Actor system is not available."
          }
        }
      }
    },
    "/ready": {
      "get": {
        "operationId": "getReady",
        "summary": "Akka Readiness Check",
        "description": "Returns 200 if the service is ready to accept traffic. Used for Kubernetes readiness probes.",
        "tags": [
          "Health"
        ],
        "responses": {
          "200": {
            "description": "Service is ready.",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "status": {
                      "type": "string",
                      "example": "Up"
                    }
                  }
                }
              }
            }
          },
          "500": {
            "description": "Service is not ready."
          }
        }
      }
    },
    "/cluster/members": {
      "get": {
        "operationId": "getClusterMembers",
        "summary": "Akka List Cluster Members",
        "description": "Returns the current cluster membership information including all members and their status.",
        "tags": [
          "Cluster"
        ],
        "responses": {
          "200": {
            "description": "Cluster membership information.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ClusterMembers"
                }
              }
            }
          }
        }
      }
    },
    "/cluster/members/{address}": {
      "get": {
        "operationId": "getClusterMember",
        "summary": "Akka Get Cluster Member Details",
        "description": "Returns details for a specific cluster member.",
        "tags": [
          "Cluster"
        ],
        "parameters": [
          {
            "name": "address",
            "in": "path",
            "required": true,
            "description": "Akka address of the member (e.g., akka://system@host:port).",
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Member details.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ClusterMember"
                }
              }
            }
          },
          "404": {
            "description": "Member not found."
          }
        }
      },
      "put": {
        "operationId": "updateClusterMember",
        "summary": "Akka Update Member Status",
        "description": "Change the status of a cluster member (e.g., down a member).",
        "tags": [
          "Cluster"
        ],
        "parameters": [
          {
            "name": "address",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string"
            }
          }
        ],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "operation": {
                    "type": "string",
                    "description": "Operation to perform on the member.",
                    "enum": [
                      "Down",
                      "Leave"
                    ]
                  }
                },
                "required": [
                  "operation"
                ]
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Operation performed successfully."
          },
          "404": {
            "description": "Member not found."
          }
        }
      },
      "delete": {
        "operationId": "downClusterMember",
        "summary": "Akka Down a Cluster Member",
        "description": "Mark a cluster member as down.",
        "tags": [
          "Cluster"
        ],
        "parameters": [
          {
            "name": "address",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Member marked as down."
          },
          "404": {
            "description": "Member not found."
          }
        }
      }
    },
    "/bootstrap/seed-nodes": {
      "get": {
        "operationId": "getSeedNodes",
        "summary": "Akka Get Bootstrap Seed Nodes",
        "description": "Returns the seed nodes discovered during cluster bootstrap.",
        "tags": [
          "Bootstrap"
        ],
        "responses": {
          "200": {
            "description": "Seed nodes list.",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "seedNodes": {
                      "type": "array",
                      "items": {
                        "type": "string"
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "ClusterMembers": {
        "type": "object",
        "properties": {
          "selfNode": {
            "type": "string",
            "description": "Address of the current node."
          },
          "leader": {
            "type": "string",
            "description": "Address of the cluster leader."
          },
          "oldest": {
            "type": "string",
            "description": "Address of the oldest node."
          },
          "unreachable": {
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          "members": {
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/ClusterMember"
            }
          }
        }
      },
      "ClusterMember": {
        "type": "object",
        "properties": {
          "node": {
            "type": "string",
            "description": "Akka address of the member."
          },
          "nodeUid": {
            "type": "string",
            "description": "Unique identifier for the member."
          },
          "status": {
            "type": "string",
            "description": "Current member status.",
            "enum": [
              "Joining",
              "WeaklyUp",
              "Up",
              "Leaving",
              "Exiting",
              "Down",
              "Removed"
            ]
          },
          "roles": {
            "type": "array",
            "items": {
              "type": "string"
            }
          }
        }
      }
    }
  },
  "tags": [
    {
      "name": "Health",
      "description": "Health check endpoints for liveness and readiness probes."
    },
    {
      "name": "Cluster",
      "description": "Cluster membership management endpoints."
    },
    {
      "name": "Bootstrap",
      "description": "Cluster bootstrap discovery endpoints."
    }
  ]
}