Apache Livy Statements API
Code statement execution within sessions
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OpenAPI Specification
openapi: 3.2.0
info:
title: Apache Livy REST Batches Statements API
description: REST API for interacting with Apache Spark clusters via Livy. Supports interactive sessions, batch job submission, statement execution, and result retrieval.
version: 0.8.0
license:
name: Apache 2.0
url: https://www.apache.org/licenses/LICENSE-2.0
contact:
email: dev@livy.apache.org
servers:
- url: http://localhost:8998
description: Apache Livy server
tags:
- name: Statements
description: Code statement execution within sessions
paths:
/sessions/{sessionId}/statements:
get:
operationId: listStatements
summary: Apache livy Apache Livy List Statements
description: List all statements executed in a session.
tags:
- Statements
x-microcks-operation:
delay: 0
dispatcher: FALLBACK
parameters:
- name: sessionId
in: path
required: true
schema:
type: integer
example: 0
responses:
'200':
description: List of statements
content:
application/json:
schema:
$ref: '#/components/schemas/StatementList'
examples:
listStatements200Example:
summary: Default listStatements 200 response
x-microcks-default: true
value:
total_statements: 5
statements: []
post:
operationId: runStatement
summary: Apache livy Apache Livy Run Statement
description: Execute a code statement in the session.
tags:
- Statements
x-microcks-operation:
delay: 0
dispatcher: FALLBACK
parameters:
- name: sessionId
in: path
required: true
schema:
type: integer
example: 0
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/StatementRequest'
examples:
runStatementRequestExample:
summary: Default runStatement request
x-microcks-default: true
value:
code: 1 + 1
kind: spark
responses:
'200':
description: Statement result
content:
application/json:
schema:
$ref: '#/components/schemas/Statement'
examples:
runStatement200Example:
summary: Default runStatement 200 response
x-microcks-default: true
value:
id: 0
code: sc.parallelize([1,2,3]).count()
state: available
output: {}
/sessions/{sessionId}/statements/{statementId}:
get:
operationId: getStatement
summary: Apache livy Apache Livy Get Statement
description: Get the status and output of a specific statement.
tags:
- Statements
x-microcks-operation:
delay: 0
dispatcher: FALLBACK
parameters:
- name: sessionId
in: path
required: true
schema:
type: integer
example: 0
- name: statementId
in: path
required: true
schema:
type: integer
example: 0
responses:
'200':
description: Statement details
content:
application/json:
schema:
$ref: '#/components/schemas/Statement'
examples:
getStatement200Example:
summary: Default getStatement 200 response
x-microcks-default: true
value:
id: 0
code: sc.parallelize([1,2,3]).count()
state: available
output: {}
components:
schemas:
StatementRequest:
type: object
description: Request to execute a code statement
required:
- code
properties:
code:
type: string
description: Code to execute
example: 1 + 1
kind:
type: string
description: Code type (defaults to session kind)
enum:
- spark
- pyspark
- sparkr
- sql
Statement:
type: object
description: A code statement executed in a session
properties:
id:
type: integer
description: Statement identifier
example: 0
code:
type: string
description: The code that was executed
example: sc.parallelize([1,2,3]).count()
state:
type: string
description: Statement execution state
enum:
- waiting
- running
- available
- error
- cancelling
- cancelled
example: available
output:
type: object
description: Statement output
properties:
status:
type: string
example: ok
execution_count:
type: integer
example: 0
data:
type: object
StatementList:
type: object
description: List of statements
properties:
total_statements:
type: integer
example: 5
statements:
type: array
items:
$ref: '#/components/schemas/Statement'