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wfx.openapiv3.yml
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# SPDX-FileCopyrightText: 2024 Siemens AG
#
# SPDX-License-Identifier: Apache-2.0
---
openapi: 3.0.0
info:
title: Workflow Executor
license:
name: Apache 2.0
url: http://www.apache.org/licenses/LICENSE-2.0.html
version: 1.1.0
x-visibility: external
servers:
- url: /api/wfx/v1
tags:
- name: workflows
description: Workflows used to instantiate jobs
- name: jobs
description: Jobs derived from workflows and executed by a client
- name: southbound
description: All southbound API endpoints
- name: northbound
description: All northbound API endpoints
paths:
/health:
get:
tags:
- southbound
- northbound
summary: Query health status
description: Query health status
responses:
default:
description: Other error with any status code and response body format.
content: {}
"200":
description: All systems up and running
headers:
Cache-Control:
schema:
type: string
Pragma:
schema:
type: string
Expires:
schema:
type: string
content:
application/json:
schema:
$ref: "#/components/schemas/CheckerResult"
"503":
description: Some (or all) systems are down
headers:
Cache-Control:
schema:
type: string
Pragma:
schema:
type: string
Expires:
schema:
type: string
content:
application/json:
schema:
$ref: "#/components/schemas/CheckerResult"
/version:
get:
summary: Get version information
description: Returns the version information of the application
responses:
default:
description: Other error with any status code and response body format.
content: {}
"200":
description: Successful response with version information.
content:
application/json:
schema:
type: object
properties:
version:
type: string
example: 0.3.1
x-go-type-skip-optional-pointer: true
commit:
type: string
example: 25f4dd3f9828553c9e437a24f7fa451ae60916f2
x-go-type-skip-optional-pointer: true
buildDate:
type: string
format: date-time
example: "2024-07-23T15:28:54+02:00"
x-go-type-skip-optional-pointer: true
apiVersion:
type: string
example: "v1"
x-go-type-skip-optional-pointer: true
/workflows:
get:
tags:
- southbound
- northbound
summary: List of available workflows
description: List of available workflows
parameters:
- $ref: "#/components/parameters/responseFilter"
- $ref: "#/components/parameters/limit"
- $ref: "#/components/parameters/offset"
- $ref: "#/components/parameters/sort"
responses:
default:
description: Other error with any status code and response body format.
content: {}
"200":
description: A list of workflows
content:
application/json:
schema:
$ref: "#/components/schemas/PaginatedWorkflowList"
post:
tags:
- northbound
summary: Add a new workflow
description: Add a new workflow
parameters:
- $ref: "#/components/parameters/responseFilter"
requestBody:
description: Workflow object to be added
content:
application/json:
schema:
$ref: "#/components/schemas/Workflow"
required: true
responses:
default:
description: Other error with any status code and response body format.
content: {}
"201":
description: Workflow was created
content:
application/json:
schema:
$ref: "#/components/schemas/Workflow"
"400":
description: Bad Request
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
example:
errors:
- "<<": workflowNotUniqueError
- "<<": workflowInvalidError
"403":
description: Forbidden
/workflows/{name}:
get:
tags:
- southbound
- northbound
summary: Workflow description for a given name
description: Workflow description for a given name
parameters:
- $ref: "#/components/parameters/responseFilter"
- name: name
in: path
description: Unique name for the workflow
required: true
schema:
type: string
responses:
default:
description: Other error with any status code and response body format.
content: {}
"200":
description: Workflow description with the provided key
content:
application/json:
schema:
$ref: "#/components/schemas/Workflow"
"400":
description: If request is invalid
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
example:
errors:
- "<<": invalidRequestError
"404":
description: Not Found
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
example:
errors:
- "<<": workflowNotFoundError
delete:
tags:
- northbound
summary: Delete an existing workflow
description: |
Delete an existing workflow
parameters:
- name: name
in: path
description: Workflow name
required: true
schema:
type: string
responses:
default:
description: Other error with any status code and response body format.
content: {}
"204":
description: The workflow has been deleted.
content: {}
"403":
description: Forbidden
"404":
description: Not Found
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
example:
errors:
- "<<": workflowNotFoundError
/jobs:
get:
tags:
- southbound
- northbound
summary: List of job descriptions
description: |
List of job descriptions
By default, this endpoint returns the list of jobs in a specific order and predetermined paging properties.
These defaults are:
- Ascending sort on stime
- 10 entries per page
parameters:
- $ref: "#/components/parameters/responseFilter"
- $ref: "#/components/parameters/limit"
- $ref: "#/components/parameters/offset"
- $ref: "#/components/parameters/sort"
- $ref: "#/components/parameters/state"
- $ref: "#/components/parameters/group"
- $ref: "#/components/parameters/clientId"
- $ref: "#/components/parameters/tag"
- name: workflow
x-go-name: paramWorkflow
in: query
description: Filter jobs matching by workflow
schema:
type: string
responses:
default:
description: Error
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
"200":
description: A paginated job list.
content:
application/json:
schema:
$ref: "#/components/schemas/PaginatedJobList"
"400":
description: If request is invalid
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
example:
errors:
- "<<": invalidRequestError
post:
tags:
- northbound
summary: Add a new job
description: |
Add a new job
parameters:
- $ref: "#/components/parameters/responseFilter"
requestBody:
description: Job which shall be created
content:
application/json:
schema:
$ref: "#/components/schemas/JobRequest"
required: true
responses:
default:
description: Other error with any status code and response body format.
content: {}
"201":
description: Job was created
content:
application/json:
schema:
$ref: "#/components/schemas/Job"
"400":
description: Bad Request
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
example:
errors:
- "<<": invalidRequestError
"403":
description: Forbidden
/jobs/events:
get:
tags:
- southbound
- northbound
summary: Subscribe to job-related events such as status updates
description: |
Obtain instant notifications when there are job changes matching the criteria. This endpoint utilizes server-sent events (SSE), where responses are "chunked" with double newline breaks. For example, a single event might look like this:
data: {"clientId":"example_client","state":"INSTALLING"}\n\n
parameters:
- name: clientIds
in: query
description: The job's clientId must be one of these clientIds (comma-separated).
schema:
type: string
x-go-name: ClientIDs
- name: jobIds
in: query
description: The job's id must be one of these ids (comma-separated).
schema:
type: string
- name: workflows
in: query
description:
The job's workflow must be equal to one of the provided workflow
names (comma-separated).
schema:
type: string
- name: tags
in: query
description: |
A (comma-separated) list of tags to include into each job event. This can be used to aggregrate events from multiple wfx instances.
schema:
type: string
responses:
default:
description: Other error with any status code and response body format
content: {}
"200":
description: A stream of server-sent events
content:
text/event-stream:
schema:
title: Server Sent Events
type: array
items:
title: Job Event
type: object
properties:
id:
description: The event ID.
type: integer
data:
$ref: "#/components/schemas/JobEvent"
"400":
description: Bad Request
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
example:
errors:
- "<<": jobTerminalStateError
"404":
description: Not Found
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
example:
errors:
- "<<": jobNotFoundError
/jobs/{id}:
get:
tags:
- southbound
- northbound
summary: Job description for a given ID
description: |
Job description for a given ID
parameters:
- $ref: "#/components/parameters/responseFilter"
- name: id
in: path
description: Job ID
required: true
schema:
type: string
- $ref: "#/components/parameters/history"
responses:
default:
description: Other error with any status code and response body format.
content: {}
"200":
description: Job description for for a given ID
content:
application/json:
schema:
$ref: "#/components/schemas/Job"
"400":
description: Bad Request
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
example:
errors:
- "<<": invalidRequestError
"404":
description: Not Found
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
example:
errors:
- "<<": jobNotFoundError
delete:
tags:
- northbound
summary: Delete an existing job
description: |
Delete an existing job
parameters:
- name: id
in: path
description: Job ID
required: true
schema:
type: string
responses:
default:
description: Other error with any status code and response body format.
content: {}
"204":
description: The job has been deleted.
content: {}
"403":
description: Forbidden
"404":
description: Not Found
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
example:
errors:
- "<<": workflowNotFoundError
/jobs/{id}/status:
get:
tags:
- southbound
- northbound
summary: Get job status
description: Retrieve the job status
parameters:
- $ref: "#/components/parameters/responseFilter"
- name: id
in: path
description: Job ID
required: true
schema:
type: string
responses:
default:
description: Other error with any status code and response body format.
content: {}
"200":
description: Job status
content:
application/json:
schema:
$ref: "#/components/schemas/JobStatus"
"404":
description: Not Found
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
example:
errors:
- "<<": jobNotFoundError
put:
tags:
- southbound
- northbound
summary: Modify status of an existing job
description: |
Modify status of an existing job
parameters:
- $ref: "#/components/parameters/responseFilter"
- name: id
in: path
description: Job ID
required: true
schema:
type: string
requestBody:
description: This contains the new job status
content:
application/json:
schema:
$ref: "#/components/schemas/JobStatus"
required: true
responses:
default:
description: Other error with any status code and response body format.
content: {}
"200":
description: Job modified successfully
content:
application/json:
schema:
$ref: "#/components/schemas/JobStatus"
"400":
description: Bad Request
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
example:
errors:
- "<<": invalidRequestError
"404":
description: Not Found
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
example:
errors:
- "<<": jobNotFoundError
x-codegen-request-body-name: New job status
/jobs/{id}/definition:
get:
tags:
- southbound
- northbound
summary: Get job definition
description: Retrieve the job definition
parameters:
- $ref: "#/components/parameters/responseFilter"
- name: id
in: path
description: Job ID
required: true
schema:
type: string
responses:
default:
description: Other error with any status code and response body format.
content: {}
"200":
description: Job definition
content:
application/json:
schema:
type: object
example: |
{ "userDefined": {} }
"404":
description: Not Found
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
example:
errors:
- "<<": jobNotFoundError
put:
tags:
- southbound
- northbound
summary: Modify job definition
description: |
Modify the job definition of an existing job
parameters:
- $ref: "#/components/parameters/responseFilter"
- name: id
in: path
description: Job ID
required: true
schema:
type: string
requestBody:
description: The new job definition
content:
application/json:
schema:
type: object
example: |
{ "userDefined": {} }
required: true
responses:
default:
description: Other error with any status code and response body format.
content: {}
"200":
description: Job modified successfully
content:
application/json:
schema:
type: object
example: |
{ "userDefined": {} }
"400":
description: Bad Request
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
example:
errors:
- "<<": invalidRequestError
"404":
description: Not Found
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
example:
errors:
- "<<": jobNotFoundError
x-codegen-request-body-name: JobDefinition
/jobs/{id}/tags:
get:
tags:
- southbound
- northbound
summary: Get tags
description: Get the tags of a job
parameters:
- $ref: "#/components/parameters/responseFilter"
- name: id
in: path
description: Job ID
required: true
schema:
type: string
responses:
default:
description: Other error with any status code and response body format.
content: {}
"200":
description: Job tags
content:
application/json:
schema:
$ref: "#/components/schemas/TagList"
"404":
description: Not Found
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
example:
errors:
- "<<": jobNotFoundError
post:
tags:
- northbound
summary: Add a tag
description: |
Add a tag to an existing job
parameters:
- $ref: "#/components/parameters/responseFilter"
- name: id
in: path
description: Job ID
required: true
schema:
type: string
requestBody:
description: Tags to add
content:
application/json:
schema:
minItems: 1
type: array
items:
type: string
required: true
responses:
default:
description: Other error with any status code and response body format.
content: {}
"200":
description: Successfully added tag to job
content:
application/json:
schema:
$ref: "#/components/schemas/TagList"
"400":
description: Bad Request
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
example:
errors:
- "<<": invalidRequestError
"403":
description: Forbidden
"404":
description: Not Found
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
example:
errors:
- "<<": jobNotFoundError
x-codegen-request-body-name: Tags
delete:
tags:
- northbound
summary: Delete a tag
description: |
Delete a tag from an existing job
parameters:
- $ref: "#/components/parameters/responseFilter"
- name: id
in: path
description: Job ID
required: true
schema:
type: string
requestBody:
description: Tags to delete
content:
application/json:
schema:
minItems: 1
type: array
items:
type: string
required: true
responses:
default:
description: Other error with any status code and response body format.
content: {}
"200":
description: Successfully deleted tag
content:
application/json:
schema:
$ref: "#/components/schemas/TagList"
"400":
description: Bad Request
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
example:
errors:
- "<<": invalidRequestError
"403":
description: Forbidden
"404":
description: Not Found
content:
application/json:
schema:
$ref: "#/components/schemas/ErrorResponse"
example:
errors:
- "<<": jobNotFoundError
x-codegen-request-body-name: Tags
components:
schemas:
PaginatedWorkflowList:
type: object
required:
- pagination
- content
properties:
pagination:
$ref: "#/components/schemas/Pagination"
content:
type: array
items:
$ref: "#/components/schemas/Workflow"
description: Paginated list of workflows
Workflow:
required:
- name
- transitions
- states
type: object
properties:
name:
maxLength: 64
minLength: 1
pattern: "^[a-zA-Z0-9\\-\\.]+$"
type: string
description: User provided unique workflow name
nullable: false
example: wfx.workflow.dau.direct
description:
maxLength: 1024
type: string
description: Description of the workflow
example: This is a workflow
x-go-type-skip-optional-pointer: true
states:
type: array
maxItems: 4096
items:
$ref: "#/components/schemas/State"
x-omitempty: true
groups:
type: array
maxItems: 1024
items:
$ref: "#/components/schemas/Group"
x-omitempty: true
x-go-type-skip-optional-pointer: true
transitions:
type: array
maxItems: 16384
items:
$ref: "#/components/schemas/Transition"
x-omitempty: true
State:
required:
- name
type: object
properties:
name:
type: string
nullable: false
example: START
description:
type: string
example: Description of the state
x-go-type-skip-optional-pointer: true
Group:
required:
- name
- states
type: object
properties:
name:
type: string
nullable: false
example: OPEN
description:
type: string
example: Description of the group
x-go-type-skip-optional-pointer: true
states:
minItems: 1
type: array
description: A list of states belonging to this group
items:
type: string
Transition:
required:
- eligible
- from
- to
type: object
properties:
from:
type: string
nullable: false
example: START
to:
type: string
nullable: false
example: END
description:
type: string
example: Description of the transition
x-go-type-skip-optional-pointer: true
eligible:
$ref: "#/components/schemas/EligibleEnum"
action:
$ref: "#/components/schemas/ActionEnum"
EligibleEnum:
type: string
nullable: false
enum:
- CLIENT
- WFX
x-nullable: false
ActionEnum:
type: string
enum:
- IMMEDIATE
- WAIT
SortEnum:
type: string
default: asc
enum:
- asc
- desc
JobRequest:
required:
- clientId
- workflow
type: object
properties:
clientId:
type: string
description: Create job for the given client ID
nullable: false
example: client42
x-go-name: ClientID
workflow:
type: string
description: Workflow name
nullable: false
example: wfx.workflow.dau.direct
tags:
$ref: "#/components/schemas/TagList"
definition:
type: object
description:
The existing job definition will be replaced with this if this
property is not empty.
example: |
{ "userDefined": {} }
x-go-type-skip-optional-pointer: true
JobStatus:
required:
- state
type: object
properties:
state:
type: string
description: Name of the new workflow state
nullable: false
example: END
clientId:
type: string
description: Client which sent the status update
nullable: false
example: client42
x-go-name: ClientID
x-omitempty: true
x-go-type-skip-optional-pointer: true
progress:
maximum: 100
type: integer
description: Current job progress percentage
format: int32
message:
maxLength: 1024
type: string
description: "Reason message/info, free text from client"
x-omitempty: true
x-go-type-skip-optional-pointer: true
definitionHash:
maxLength: 64
type: string
description: Job definition hash
readOnly: true
x-omitempty: true
x-go-type-skip-optional-pointer: true
context:
type: object
description:
"Client-specific JSON object to report additional context information\
\ such as error details, stack traces, etc"