apiVersion: connectivity.iotoperations.azure.com/v1beta1
kind: Dataflow
metadata:
name: <DATAFLOW_NAME>
namespace: azure-iot-operations
spec:
# Reference to the default dataflow profile
# This field is required when configuring via Kubernetes YAML
# The syntax is different when using Bicep
profileRef: default
mode: Enabled
operations:
- operationType: Source
sourceSettings:
# See source configuration section
# Transformation optional
- operationType: BuiltInTransformation
builtInTransformationSettings:
# See transformation configuration section
- operationType: Destination
destinationSettings:
# See destination configuration section
sourceSettings: {
endpointRef: '<CUSTOM_ENDPOINT_NAME>'
dataSources: [
'<TOPIC_1>'
'<TOPIC_2>'
// See section on configuring MQTT or Kafka topics for more information
]
}
sourceSettings:
endpointRef: <CUSTOM_ENDPOINT_NAME>
dataSources:
- <TOPIC_1>
- <TOPIC_2>
# See section on configuring MQTT or Kafka topics for more information
builtInTransformationSettings: {
datasets: [
// See section on enriching data
]
filter: [
// See section on filtering data
]
map: [
// See section on mapping data
]
}
builtInTransformationSettings:
datasets:
# See section on enriching data
filter:
# See section on filtering data
map:
# See section on mapping data
param aioInstanceName string = '<AIO_INSTANCE_NAME>'
param customLocationName string = '<CUSTOM_LOCATION_NAME>'
param dataflowName string = '<DATAFLOW_NAME>'
resource aioInstance 'Microsoft.IoTOperations/instances@2024-09-15-preview' existing = {
name: aioInstanceName
}
resource customLocation 'Microsoft.ExtendedLocation/customLocations@2021-08-31-preview' existing = {
name: customLocationName
}
// Pointer to the default dataflow endpoint
resource defaultDataflowEndpoint 'Microsoft.IoTOperations/instances/dataflowEndpoints@2024-09-15-preview' existing = {
parent: aioInstance
name: 'default'
}
// Pointer to the default dataflow profile
resource defaultDataflowProfile 'Microsoft.IoTOperations/instances/dataflowProfiles@2024-09-15-preview' existing = {
parent: aioInstance
name: 'default'
}
resource dataflow 'Microsoft.IoTOperations/instances/dataflowProfiles/dataflows@2024-09-15-preview' = {
// Reference to the parent dataflow profile, the default profile in this case
// Same usage as profileRef in Kubernetes YAML
parent: defaultDataflowProfile
name: dataflowName
extendedLocation: {
name: customLocation.id
type: 'CustomLocation'
}
properties: {
mode: 'Enabled'
operations: [
{
operationType: 'Source'
sourceSettings: {
// Use the default MQTT endpoint as the source
endpointRef: defaultDataflowEndpoint.name
// Filter the data from the MQTT topic azure-iot-operations/data/thermostat
dataSources: [
'azure-iot-operations/data/thermostat'
]
}
}
// Transformation optional
{
operationType: 'BuiltInTransformation'
builtInTransformationSettings: {
// Filter the data where temperature * "Tag 10" < 100000
filter: [
{
inputs: [
'temperature.Value'
'"Tag 10".Value'
]
expression: '$1 * $2 < 100000'
}
]
map: [
// Passthrough all values by default
{
inputs: [
'*'
]
output: '*'
}
// Convert temperature to Fahrenheit and output it to TemperatureF
{
inputs: [
'temperature.Value'
]
output: 'TemperatureF'
expression: 'cToF($1)'
}
// Extract the "Tag 10" value and output it to Humidity
{
inputs: [
'"Tag 10".Value'
]
output: 'Humidity'
}
]
}
}
{
operationType: 'Destination'
destinationSettings: {
// Use the default MQTT endpoint as the destination
endpointRef: defaultDataflowEndpoint.name
// Send the data to the MQTT topic factory
dataDestination: 'factory'
}
}
]
}
}
apiVersion: connectivity.iotoperations.azure.com/v1beta1
kind: Dataflow
metadata:
name: my-dataflow
namespace: azure-iot-operations
spec:
# Reference to the default dataflow profile
profileRef: default
mode: Enabled
operations:
- operationType: Source
sourceSettings:
# Use the default MQTT endpoint as the source
endpointRef: default
# Filter the data from the MQTT topic azure-iot-operations/data/thermostat
dataSources:
- azure-iot-operations/data/thermostat
# Transformation optional
- operationType: builtInTransformation
builtInTransformationSettings:
# Filter the data where temperature * "Tag 10" < 100000
filter:
- inputs:
- 'temperature.Value'
- '"Tag 10".Value'
expression: '$1 * $2 < 100000'
map:
# Passthrough all values by default
- inputs:
- '*'
output: '*'
# Convert temperature to Fahrenheit and output it to TemperatureF
- inputs:
- temperature.Value
output: TemperatureF
expression: cToF($1)
# Extract the "Tag 10" value and output it to Humidity
- inputs:
- '"Tag 10".Value'
output: 'Humidity'
- operationType: Destination
destinationSettings:
# Use the default MQTT endpoint as the destination
endpointRef: default
# Send the data to the MQTT topic factory
dataDestination: factory
