{
  "$defs": {
    "DelayDistribution": {
      "oneOf": [
        {
          "additionalProperties": false,
          "properties": {
            "mean_ms": {
              "format": "double",
              "minimum": 0.0,
              "type": "number"
            },
            "stddev_ms": {
              "exclusiveMinimum": 0.0,
              "format": "double",
              "type": "number"
            },
            "type": {
              "const": "normal",
              "type": "string"
            }
          },
          "required": [
            "type",
            "mean_ms",
            "stddev_ms"
          ],
          "type": "object"
        },
        {
          "additionalProperties": false,
          "properties": {
            "scale_ms": {
              "exclusiveMinimum": 0.0,
              "format": "double",
              "type": "number"
            },
            "shape": {
              "exclusiveMinimum": 0.0,
              "format": "double",
              "type": "number"
            },
            "type": {
              "const": "pareto",
              "type": "string"
            }
          },
          "required": [
            "type",
            "shape",
            "scale_ms"
          ],
          "type": "object"
        },
        {
          "additionalProperties": false,
          "properties": {
            "normal_mean_ms": {
              "format": "double",
              "minimum": 0.0,
              "type": "number"
            },
            "normal_stddev_ms": {
              "exclusiveMinimum": 0.0,
              "format": "double",
              "type": "number"
            },
            "pareto_scale_ms": {
              "exclusiveMinimum": 0.0,
              "format": "double",
              "type": "number"
            },
            "pareto_shape": {
              "exclusiveMinimum": 0.0,
              "format": "double",
              "type": "number"
            },
            "type": {
              "const": "pareto-normal",
              "type": "string"
            }
          },
          "required": [
            "type",
            "pareto_shape",
            "pareto_scale_ms",
            "normal_mean_ms",
            "normal_stddev_ms"
          ],
          "type": "object"
        },
        {
          "additionalProperties": false,
          "properties": {
            "max_ms": {
              "format": "double",
              "minimum": 0.0,
              "type": "number"
            },
            "min_ms": {
              "format": "double",
              "minimum": 0.0,
              "type": "number"
            },
            "type": {
              "const": "uniform",
              "type": "string"
            }
          },
          "required": [
            "type",
            "min_ms",
            "max_ms"
          ],
          "type": "object"
        }
      ]
    },
    "DnsCase": {
      "enum": [
        "delay",
        "timeout",
        "truncated",
        "refused",
        "serv-fail",
        "nx-domain",
        "empty-answer",
        "random-a"
      ],
      "type": "string"
    },
    "FaultSpec": {
      "oneOf": [
        {
          "additionalProperties": false,
          "description": "Adds one sampled delay to the selected direction. TCP applies it to the\nfirst non-empty traffic after activation; UDP applies it once to each\nselected datagram in an exchange.",
          "properties": {
            "distribution": {
              "$ref": "#/$defs/DelayDistribution"
            },
            "flow": {
              "$ref": "#/$defs/TrafficFlow"
            },
            "type": {
              "const": "latency",
              "type": "string"
            }
          },
          "required": [
            "type",
            "flow",
            "distribution"
          ],
          "type": "object"
        },
        {
          "additionalProperties": false,
          "description": "Adds a probabilistic sampled delay. TCP evaluates it per data operation;\nUDP evaluates it once for each selected datagram in an exchange.",
          "properties": {
            "flow": {
              "$ref": "#/$defs/TrafficFlow"
            },
            "max_delay_ms": {
              "format": "double",
              "minimum": 0.0,
              "type": "number"
            },
            "min_delay_ms": {
              "format": "double",
              "minimum": 0.0,
              "type": "number"
            },
            "probability": {
              "format": "double",
              "maximum": 1.0,
              "minimum": 0.0,
              "type": "number"
            },
            "type": {
              "const": "jitter",
              "type": "string"
            }
          },
          "required": [
            "type",
            "flow",
            "min_delay_ms",
            "max_delay_ms",
            "probability"
          ],
          "type": "object"
        },
        {
          "additionalProperties": false,
          "description": "Limits transferred bytes per second independently for each connection\nstream in the selected flow.",
          "properties": {
            "bytes_per_second": {
              "format": "uint64",
              "minimum": 1,
              "type": "integer"
            },
            "flow": {
              "$ref": "#/$defs/TrafficFlow"
            },
            "type": {
              "const": "bandwidth",
              "type": "string"
            }
          },
          "required": [
            "type",
            "flow",
            "bytes_per_second"
          ],
          "type": "object"
        },
        {
          "additionalProperties": false,
          "description": "Leaves TCP operations pending until cancellation, or drops UDP\ndatagrams in the selected direction.",
          "properties": {
            "flow": {
              "$ref": "#/$defs/TrafficFlow"
            },
            "type": {
              "const": "blackhole",
              "type": "string"
            }
          },
          "required": [
            "type",
            "flow"
          ],
          "type": "object"
        },
        {
          "additionalProperties": false,
          "description": "Resets a selected connection when traffic first uses the chosen flow.",
          "properties": {
            "flow": {
              "$ref": "#/$defs/TrafficFlow"
            },
            "probability": {
              "format": "double",
              "maximum": 1.0,
              "minimum": 0.0,
              "type": "number"
            },
            "type": {
              "const": "connection-reset",
              "type": "string"
            }
          },
          "required": [
            "type",
            "flow",
            "probability"
          ],
          "type": "object"
        },
        {
          "additionalProperties": false,
          "description": "Alters DNS queries carried by a UDP proxy.",
          "properties": {
            "case": {
              "$ref": "#/$defs/DnsCase"
            },
            "delay_ms": {
              "format": "uint64",
              "minimum": 0,
              "type": [
                "integer",
                "null"
              ]
            },
            "type": {
              "const": "dns",
              "type": "string"
            }
          },
          "required": [
            "type",
            "case"
          ],
          "type": "object"
        }
      ]
    },
    "ProxyFaults": {
      "additionalProperties": false,
      "description": "The complete fault chain active on one named proxy during a phase.",
      "properties": {
        "faults": {
          "description": "Ordered chain of faults applied to traffic on this proxy.",
          "items": {
            "$ref": "#/$defs/FaultSpec"
          },
          "type": "array"
        },
        "proxy": {
          "description": "Name of a proxy declared by the containing run.",
          "minLength": 1,
          "type": "string"
        }
      },
      "required": [
        "proxy",
        "faults"
      ],
      "type": "object"
    },
    "TrafficFlow": {
      "oneOf": [
        {
          "const": "to-upstream",
          "description": "Traffic sent by the client toward the upstream service.",
          "type": "string"
        },
        {
          "const": "to-client",
          "description": "Traffic returned by the upstream service toward the client.",
          "type": "string"
        },
        {
          "const": "both",
          "description": "Traffic in both directions.",
          "type": "string"
        }
      ]
    }
  },
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "description": "A lightweight phase transition published while a run executes.",
  "properties": {
    "phase_count": {
      "format": "uint32",
      "minimum": 1,
      "type": "integer"
    },
    "phase_duration_ms": {
      "description": "Planned duration, or absent for an indefinite final phase.",
      "format": "uint64",
      "minimum": 0,
      "type": [
        "integer",
        "null"
      ]
    },
    "phase_index": {
      "description": "One-based position of the active phase.",
      "format": "uint32",
      "minimum": 1,
      "type": "integer"
    },
    "phase_name": {
      "description": "Name of the phase that has just started.",
      "type": "string"
    },
    "phase_started_at": {
      "description": "UTC instant at which the phase became active.",
      "format": "date-time",
      "type": "string"
    },
    "proxies": {
      "description": "Fault chains active for this phase.",
      "items": {
        "$ref": "#/$defs/ProxyFaults"
      },
      "type": "array"
    },
    "run_name": {
      "description": "Name of the executing run.",
      "type": "string"
    }
  },
  "required": [
    "run_name",
    "phase_name",
    "phase_index",
    "phase_count",
    "phase_started_at",
    "proxies"
  ],
  "title": "RunProgress",
  "type": "object"
}