faas/api-docs/spec.openapi.yml
Alex Ellis (OpenFaaS Ltd) 5f0fa69c2c Fix two typos
Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alex@openfaas.com>
2024-04-28 13:38:58 +01:00

997 lines
28 KiB
YAML

openapi: 3.0.1
info:
title: OpenFaaS API Gateway
description: OpenFaaS API documentation
license:
name: MIT
version: 0.8.12
contact:
name: OpenFaaS Ltd
url: https://www.openfaas.com/support/
servers:
- url: "http://localhost:8080"
description: Local server
tags:
- name: internal
description: Internal use only
- name: system
description: System endpoints for managing functions and related objects
- name: function
description: Endpoints for invoking functions
paths:
"/healthz":
get:
summary: Healthcheck
operationId: healthcheck
description: Healthcheck for the gateway, indicates if the gateway is running and available
tags:
- internal
responses:
'200':
description: Healthy
'500':
description: Not healthy
"/metrics":
get:
summary: Prometheus metrics
operationId: metrics
description: Prometheus metrics for the gateway
tags:
- internal
responses:
'200':
description: Prometheus metrics in text format
"/system/info":
get:
operationId: GetSystemInfo
description: Get system provider information
summary: Get info such as provider version number and provider orchestrator
tags:
- system
responses:
'200':
description: Info result
content:
application/json:
schema:
"$ref": "#/components/schemas/GatewayInfo"
'500':
description: Internal Server Error
"/system/alert":
post:
operationId: ScaleAlert
description: Scale a function based on an alert
summary: |
Event-sink for AlertManager, for auto-scaling
Internal use for AlertManager, requires valid AlertManager alert
JSON
tags:
- internal
requestBody:
description: Incoming alert
content:
application/json:
schema:
$ref: '#/components/schemas/PrometheusAlert'
required: false
responses:
'200':
description: Alert handled successfully
'500':
description: Internal error with swarm or request JSON invalid
"/system/functions":
get:
operationId: GetFunctions
description: Get a list of deployed functions
summary: 'Get a list of deployed functions with: stats and image digest'
tags:
- system
responses:
'200':
description: List of deployed functions.
content:
application/json:
schema:
type: array
items:
"$ref": "#/components/schemas/FunctionStatus"
put:
operationId: UpdateFunction
description: update a function spec
summary: Update a function.
tags:
- system
requestBody:
description: Function to update
content:
application/json:
schema:
"$ref": "#/components/schemas/FunctionDeployment"
required: true
responses:
'200':
description: Accepted
'400':
description: Bad Request
'404':
description: Not Found
'500':
description: Internal Server Error
post:
operationId: DeployFunction
description: Deploy a new function.
summary: Deploy a new function.
tags:
- system
requestBody:
description: Function to deploy
content:
application/json:
schema:
"$ref": "#/components/schemas/FunctionDeployment"
required: true
responses:
'202':
description: Accepted
'400':
description: Bad Request
'500':
description: Internal Server Error
delete:
operationId: DeleteFunction
description: Remove a deployed function.
summary: Remove a deployed function.
tags:
- system
requestBody:
description: Function to delete
content:
application/json:
schema:
"$ref": "#/components/schemas/DeleteFunctionRequest"
required: true
responses:
'200':
description: OK
'400':
description: Bad Request
'404':
description: Not Found
'500':
description: Internal Server Error
"/system/scale-function/{functionName}":
post:
operationId: ScaleFunction
description: Scale a function
summary: Scale a function to a specific replica count
tags:
- system
parameters:
- name: functionName
in: path
description: Function name
required: true
schema:
type: string
requestBody:
content:
application/json:
schema:
$ref: '#/components/schemas/ScaleServiceRequest'
responses:
'200':
description: Scaling OK
'202':
description: Scaling OK
'404':
description: Function not found
'500':
description: Error scaling function
"/system/function/{functionName}":
get:
operationId: GetFunctionStatus
description: Get the status of a function by name
tags:
- system
parameters:
- name: functionName
in: path
description: Function name
required: true
schema:
type: string
- name: namespace
in: query
description: Namespace of the function
required: false
schema:
type: string
responses:
'200':
description: Function Summary
content:
"*/*":
schema:
"$ref": "#/components/schemas/FunctionStatus"
'404':
description: Not Found
'500':
description: Internal Server Error
"/system/secrets":
get:
operationId: ListSecrets
description: Get a list of secret names and metadata from the provider
summary: Get a list of secret names and metadata from the provider
tags:
- system
responses:
'200':
description: List of submitted secrets.
content:
application/json:
schema:
"$ref": "#/components/schemas/SecretDescription"
put:
operationId: UpdateSecret
description: Update a secret.
summary: Update a secret, the value is replaced.
tags:
- system
requestBody:
description: Secret to update
content:
application/json:
schema:
"$ref": "#/components/schemas/Secret"
required: true
responses:
'200':
description: Ok
'400':
description: Bad Request
'404':
description: Not Found
'405':
description: Method Not Allowed. Secret update is not allowed in faas-swarm.
'500':
description: Internal Server Error
post:
operationId: CreateSecret
description: Create a new secret.
tags:
- system
requestBody:
description: A new secret to create
content:
application/json:
schema:
"$ref": "#/components/schemas/Secret"
required: true
responses:
'201':
description: Created
'400':
description: Bad Request
'500':
description: Internal Server Error
delete:
operationId: DeleteSecret
description: Remove a secret.
tags:
- system
requestBody:
description: Secret to delete
content:
application/json:
schema:
"$ref": "#/components/schemas/SecretDescription"
required: true
responses:
'204':
description: OK
'400':
description: Bad Request
'404':
description: Not Found
'500':
description: Internal Server Error
"/system/logs":
get:
operationId: GetFunctionLogs
description: Get a stream of the logs for a specific function
tags:
- system
parameters:
- name: name
in: query
description: Function name
required: true
schema:
type: string
- name: namespace
in: query
description: Namespace of the function
required: false
schema:
type: string
- name: instance
in: query
description: Instance of the function
required: false
schema:
type: string
- name: tail
in: query
description: Sets the maximum number of log messages to return, <=0 means
unlimited
schema:
type: integer
- name: follow
in: query
description: When true, the request will stream logs until the request timeout
schema:
type: boolean
- name: since
in: query
description: Only return logs after a specific date (RFC3339)
schema:
type: string
format: date-time
responses:
'200':
description: Newline delimited stream of log messages
content:
application/x-ndjson:
schema:
"$ref": "#/components/schemas/LogEntry"
'404':
description: Not Found
'500':
description: Internal Server Error
"/system/namespaces":
get:
operationId: ListNamespaces
description: Get a list of namespaces
tags:
- system
responses:
'200':
description: List of namespaces
content:
application/json:
schema:
$ref: '#/components/schemas/ListNamespaceResponse'
'500':
description: Internal Server Error
"/async-function/{functionName}":
post:
operationId: InvokeAsync
description: Invoke a function asynchronously
summary: |
Invoke a function asynchronously in the default OpenFaaS namespace
Any additional path segments and query parameters will be passed to the function as is.
See https://docs.openfaas.com/reference/async/.
tags:
- function
parameters:
- name: functionName
in: path
description: Function name
required: true
schema:
type: string
requestBody:
description: "(Optional) data to pass to function"
content:
"*/*":
schema:
type: string
format: binary
example: '{"hello": "world"}'
required: false
responses:
'202':
description: Request accepted and queued
'404':
description: Not Found
'500':
description: Internal Server Error
"/async-function/{functionName}.{namespace}":
post:
operationId: InvokeAsyncNamespaced
description: Invoke a function asynchronously in an OpenFaaS namespace.
summary: |
Invoke a function asynchronously in an OpenFaaS namespace.
Any additional path segments and query parameters will be passed to the function as is.
See https://docs.openfaas.com/reference/async/.
tags:
- function
parameters:
- name: functionName
in: path
description: Function name
required: true
schema:
type: string
- name: namespace
in: path
description: Namespace of the function
required: true
schema:
type: string
requestBody:
description: "(Optional) data to pass to function"
content:
"*/*":
schema:
type: string
format: binary
example: '{"hello": "world"}'
required: false
responses:
'202':
description: Request accepted and queued
'404':
description: Not Found
'500':
description: Internal Server Error
"/function/{functionName}":
post:
operationId: InvokeFunction
description: Invoke a function in the default OpenFaaS namespace.
summary: |
Synchronously invoke a function defined in te default OpenFaaS namespace.
Any additional path segments and query parameters will be passed to the function as is.
tags:
- function
parameters:
- name: functionName
in: path
description: Function name
required: true
schema:
type: string
requestBody:
description: "(Optional) data to pass to function"
content:
"*/*":
schema:
type: string
format: binary
example: '{"hello": "world"}'
required: false
responses:
'200':
description: Value returned from function
'404':
description: Not Found
'500':
description: Internal server error
"/function/{functionName}.{namespace}":
post:
operationId: InvokeFunctionNamespaced
description: Invoke a function in an OpenFaaS namespace.
summary: |
Synchronously invoke a function defined in the specified namespace.
Any additional path segments and query parameters will be passed to the function as is.
tags:
- function
parameters:
- name: functionName
in: path
description: Function name
required: true
schema:
type: string
- name: namespace
in: path
description: Namespace of the function
required: true
schema:
type: string
requestBody:
description: "(Optional) data to pass to function"
content:
"*/*":
schema:
type: string
format: binary
example: '{"hello": "world"}'
required: false
responses:
'200':
description: Value returned from function
'404':
description: Not Found
'500':
description: Internal server error
components:
securitySchemes:
basicAuth:
type: http
scheme: basic
schemas:
GatewayInfo:
required:
- provider
- version
- arch
type: object
properties:
provider:
nullable: true
allOf:
- $ref: "#/components/schemas/ProviderInfo"
version:
nullable: true
description: version of the gateway
allOf:
- $ref: "#/components/schemas/VersionInfo"
arch:
type: string
description: Platform architecture
example: x86_64
VersionInfo:
type: object
required:
- sha
- release
properties:
commit_message:
type: string
example: Sample Message
sha:
type: string
example: 7108418d9dd6b329ddff40e7393b3166f8160a88
release:
type: string
format: semver
example: 0.8.9
ProviderInfo:
type: object
required:
- provider
- orchestration
- version
properties:
provider:
type: string
description: The orchestration provider / implementation
example: faas-netes
orchestration:
type: string
example: kubernetes
version:
description: The version of the provider
nullable: true
allOf:
- $ref: "#/components/schemas/VersionInfo"
PrometheusAlert:
type: object
description: Prometheus alert produced by AlertManager. This is only a subset of the full alert payload.
required:
- status
- receiver
- alerts
properties:
status:
type: string
description: The status of the alert
example: resolved
receiver:
type: string
description: The name of the receiver
example: webhook
alerts:
type: array
description: The list of alerts
items:
$ref: "#/components/schemas/PrometheusInnerAlert"
example:
{
"receiver": "scale-up",
"status": "firing",
"alerts": [{
"status": "firing",
"labels": {
"alertname": "APIHighInvocationRate",
"code": "200",
"function_name": "func_nodeinfo",
"instance": "gateway:8080",
"job": "gateway",
"monitor": "faas-monitor",
"service": "gateway",
"severity": "major",
"value": "8.998200359928017"
},
"annotations": {
"description": "High invocation total on gateway:8080",
"summary": "High invocation total on gateway:8080"
},
"startsAt": "2017-03-15T15:52:57.805Z",
"endsAt": "0001-01-01T00:00:00Z",
"generatorURL": "http://4156cb797423:9090/graph?g0.expr=rate%28gateway_function_invocation_total%5B10s%5D%29+%3E+5\u0026g0.tab=0"
}],
"groupLabels": {
"alertname": "APIHighInvocationRate",
"service": "gateway"
},
"commonLabels": {
"alertname": "APIHighInvocationRate",
"code": "200",
"function_name": "func_nodeinfo",
"instance": "gateway:8080",
"job": "gateway",
"monitor": "faas-monitor",
"service": "gateway",
"severity": "major",
"value": "8.998200359928017"
},
"commonAnnotations": {
"description": "High invocation total on gateway:8080",
"summary": "High invocation total on gateway:8080"
},
"externalURL": "http://f054879d97db:9093",
"version": "3",
"groupKey": 18195285354214864953
}
PrometheusInnerAlert:
type: object
description: A single alert produced by Prometheus
required:
- status
- labels
properties:
status:
type: string
description: The status of the alert
example: resolved
labels:
$ref: "#/components/schemas/PrometheusInnerAlertLabel"
PrometheusInnerAlertLabel:
type: object
description: A single label of a Prometheus alert
required:
- alertname
- function_name
properties:
alertname:
type: string
description: The name of the alert
function_name:
type: string
description: The name of the function
example: nodeinfo
FunctionDeployment:
required:
- service
- image
type: object
properties:
service:
type: string
description: Name of deployed function
example: nodeinfo
image:
type: string
description: Docker image in accessible registry
example: functions/nodeinfo:latest
namespace:
type: string
description: Namespace to deploy function to. When omitted, the default namespace
is used, typically this is `openfaas-fn` but is configured by the provider.
example: openfaas-fn
envProcess:
type: string
description: |
Process for watchdog to fork, i.e. the command to start the function process.
This value configures the `fprocess` env variable.
example: node main.js
constraints:
type: array
items:
type: string
description: Constraints are specific to OpenFaaS Provider
example: node.platform.os == linux
envVars:
type: object
additionalProperties:
type: string
description: Overrides to environmental variables
secrets:
type: array
items:
type: string
description: An array of names of secrets that are required to be loaded
from the Docker Swarm.
example: secret-name-1
labels:
type: object
nullable: true
additionalProperties:
type: string
description: A map of labels for making scheduling or routing decisions
example:
foo: bar
annotations:
type: object
nullable: true
additionalProperties:
type: string
description: A map of annotations for management, orchestration, events
and build tasks
example:
topics: awesome-kafka-topic
foo: bar
limits:
nullable: true
allOf:
- $ref: "#/components/schemas/FunctionResources"
requests:
nullable: true
allOf:
- $ref: "#/components/schemas/FunctionResources"
readOnlyRootFilesystem:
type: boolean
description: Make the root filesystem of the function read-only
# DEPRECATED FIELDS, these fields are ignored in all current providers
registryAuth:
type: string
description: |
Deprecated: Private registry base64-encoded basic auth (as present in ~/.docker/config.json)
Use a Kubernetes Secret with registry-auth secret type to provide this value instead.
This value is completely ignored.
example: dXNlcjpwYXNzd29yZA==
deprecated: true
network:
type: string
description: |
Deprecated: Network, usually func_functions for Swarm.
This value is completely ignored.
deprecated: true
example: func_functions
FunctionStatus:
type: object
required:
- name
- image
properties:
name:
type: string
description: The name of the function
example: nodeinfo
image:
type: string
description: The fully qualified docker image name of the function
example: functions/nodeinfo:latest
namespace:
type: string
description: The namespace of the function
example: openfaas-fn
envProcess:
type: string
description: Process for watchdog to fork
example: node main.js
envVars:
type: object
additionalProperties:
type: string
description: environment variables for the function runtime
constraints:
type: array
items:
type: string
description: Constraints are specific to OpenFaaS Provider
example: node.platform.os == linux
secrets:
type: array
items:
type: string
description: An array of names of secrets that are made available to the function
labels:
type: object
nullable: true
additionalProperties:
type: string
description: A map of labels for making scheduling or routing decisions
example:
foo: bar
annotations:
type: object
nullable: true
additionalProperties:
type: string
description: A map of annotations for management, orchestration, events
and build tasks
example:
topics: awesome-kafka-topic
foo: bar
limits:
nullable: true
allOf:
- $ref: "#/components/schemas/FunctionResources"
requests:
nullable: true
allOf:
- $ref: "#/components/schemas/FunctionResources"
readOnlyRootFilesystem:
type: boolean
description: removes write-access from the root filesystem mount-point.
invocationCount:
type: number
description: The amount of invocations for the specified function
format: integer
example: 1337
replicas:
type: number
description: Desired amount of replicas
format: integer
example: 2
availableReplicas:
type: number
description: The current available amount of replicas
format: integer
example: 2
createdAt:
type: string
description: |
is the time read back from the faas backend's
data store for when the function or its container was created.
format: date-time
usage:
nullable: true
allOf:
- $ref: "#/components/schemas/FunctionUsage"
FunctionResources:
type: object
properties:
memory:
type: string
description: The amount of memory that is allocated for the function
example: 128M
cpu:
type: string
description: The amount of cpu that is allocated for the function
example: '0.01'
FunctionUsage:
type: object
properties:
cpu:
type: number
description: |
is the increase in CPU usage since the last measurement
equivalent to Kubernetes' concept of millicores.
format: double
example: 0.01
totalMemoryBytes:
type: number
description: is the total memory usage in bytes.
format: double
example: 1337
DeleteFunctionRequest:
required:
- functionName
type: object
properties:
functionName:
type: string
description: Name of deployed function
example: nodeinfo
ScaleServiceRequest:
required:
- serviceName
- namespace
- replicas
type: object
properties:
serviceName:
type: string
description: Name of deployed function
example: nodeinfo
namespace:
type: string
description: Namespace the function is deployed to.
example: openfaas-fn
replicas:
type: integer
format: int64
minimum: 0
description: Number of replicas to scale to
example: 2
SecretDescription:
required:
- name
type: object
properties:
name:
type: string
description: Name of secret
example: aws-key
namespace:
type: string
description: Namespace of secret
example: openfaas-fn
SecretValues:
type: object
properties:
value:
type: string
description: Value of secret in plain-text
example: changeme
rawValue:
type: string
format: byte
description: |
Value of secret in base64.
This can be used to provide raw binary data when the `value` field is omitted.
example: Y2hhbmdlbWU=
Secret:
type: object
allOf:
- $ref: "#/components/schemas/SecretDescription"
- $ref: "#/components/schemas/SecretValues"
LogEntry:
type: object
required:
- name
- namespace
- instance
- timestamp
- text
properties:
name:
type: string
description: the function name
namespace:
type: string
description: the namespace of the function
instance:
type: string
description: the name/id of the specific function instance
timestamp:
type: string
description: the timestamp of when the log message was recorded
format: date-time
text:
type: string
description: raw log message content
ListNamespaceResponse:
type: array
items:
type: string
description: Namespace name
example: openfaas-fn