TaskInstance

TaskInstance schema from Apache Airflow API

ApacheDAGData PipelineETLOpen SourceOrchestrationPythonSchedulingWorkflow

Properties

Name	Type	Description
dag_id	string
dag_run_id	string	The DagRun ID for this task instance New in version 2.3.0
duration	number
end_date	string
execution_date	string
executor_config	string
hostname	string
map_index	integer
max_tries	integer
note	string	Contains manually entered notes by the user about the TaskInstance. New in version 2.5.0
operator	string	Changed in version 2.1.1: Field becomes nullable.
pid	integer
pool	string
pool_slots	integer
priority_weight	integer
queue	string
queued_when	string
rendered_fields	object	JSON object describing rendered fields. New in version 2.3.0
sla_miss	object
start_date	string
state	object
task_id	string
trigger	object
triggerer_job	object
try_number	integer
unixname	string

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/apache-airflow/refs/heads/main/json-schema/openapi.yaml-task-instance-schema.json",
  "title": "TaskInstance",
  "description": "TaskInstance schema from Apache Airflow API",
  "type": "object",
  "properties": {
    "dag_id": {
      "type": "string"
    },
    "dag_run_id": {
      "description": "The DagRun ID for this task instance\n\n*New in version 2.3.0*\n",
      "type": "string"
    },
    "duration": {
      "nullable": true,
      "type": "number"
    },
    "end_date": {
      "format": "datetime",
      "nullable": true,
      "type": "string"
    },
    "execution_date": {
      "format": "datetime",
      "type": "string"
    },
    "executor_config": {
      "type": "string"
    },
    "hostname": {
      "type": "string"
    },
    "map_index": {
      "type": "integer"
    },
    "max_tries": {
      "type": "integer"
    },
    "note": {
      "description": "Contains manually entered notes by the user about the TaskInstance.\n\n*New in version 2.5.0*\n",
      "nullable": true,
      "type": "string"
    },
    "operator": {
      "description": "*Changed in version 2.1.1*&#58; Field becomes nullable.\n",
      "nullable": true,
      "type": "string"
    },
    "pid": {
      "nullable": true,
      "type": "integer"
    },
    "pool": {
      "type": "string"
    },
    "pool_slots": {
      "type": "integer"
    },
    "priority_weight": {
      "nullable": true,
      "type": "integer"
    },
    "queue": {
      "nullable": true,
      "type": "string"
    },
    "queued_when": {
      "nullable": true,
      "type": "string"
    },
    "rendered_fields": {
      "description": "JSON object describing rendered fields.\n\n*New in version 2.3.0*\n",
      "type": "object"
    },
    "sla_miss": {
      "$ref": "#/components/schemas/SLAMiss",
      "nullable": true
    },
    "start_date": {
      "format": "datetime",
      "nullable": true,
      "type": "string"
    },
    "state": {
      "$ref": "#/components/schemas/TaskState",
      "nullable": true
    },
    "task_id": {
      "type": "string"
    },
    "trigger": {
      "$ref": "#/components/schemas/Trigger",
      "nullable": true
    },
    "triggerer_job": {
      "$ref": "#/components/schemas/Job",
      "nullable": true
    },
    "try_number": {
      "type": "integer"
    },
    "unixname": {
      "type": "string"
    }
  }
}