I am currently developing a Smart Home Skill for Amazon Voice Solution enabled device.
My lambda functions are setup as follow:
- US-east1 myAVSLambda
arn:aws:lambda:us-east-1:793444176480:function:myAVSDemoLambda
Triggered by my Alexa Smart Home, invoke another lambda located in us-east2 that will process the request.
from boto3 import client as boto3_client
from datetime import datetime
import json
#Initiate a lambda client for secondary function located in us-east-2 (IAS server)
lambda_client = boto3_client('lambda',region_name='us-east-2')
#Main handler
def lambda_handler(event, context):
#Format in JSON request
event_json = json.dumps(event, indent=4, sort_keys=True)
#Invoke secondary lambda function
invoke_response = lambda_client.invoke( FunctionName="arn:aws:lambda:us-east-2:793444176480:function:turnLightOn",
InvocationType='RequestResponse',
LogType='Tail',
Payload=event_json)
#Loads invokation respond payload
ret = json.loads(invoke_response['Payload'].read().decode('ascii'))
return ret
- US-east2 turnLightOn
arn:aws:lambda:us-east-2:793444176480:function:turnLightOn
This is the main lambda hanlder will return the discovery json structure to the other lambda.
{
"event": {
"header": {
"namespace": "Alexa.Discovery",
"name": "Discover.Response",
"payloadVersion": "3",
"messageId": "e7325871-61ba-43e4-a8cc-446bb1d7f0a6"
},
"payload": {
"endpoints": [
{
"endpointId": "endpoint-001",
"manufacturerName": "Sample Manufacturer",
"friendlyName": "Switch",
"description": "001 Switch that can only be turned on/off",
"displayCategories": [
"SWITCH"
],
"cookie": {
"detail1": "For simplicity, this is the only appliance",
"detail2": "that has some values in the additionalApplianceDetails"
},
"capabilities": [
{
"type": "AlexaInterface",
"interface": "Alexa.PowerController",
"version": "3",
"properties": {
"supported": [
{
"name": "powerState"
}
],
"proactivelyReported": true,
"retrievable": true
}
},
{
"type": "AlexaInterface",
"interface": "Alexa.EndpointHealth",
"version": "3",
"properties": {
"supported": [
{
"name": "connectivity"
}
],
"proactivelyReported": true,
"retrievable": true
}
},
{
"type": "AlexaInterface",
"interface": "Alexa",
"version": "3"
}
]
}
}
}
}
Testing this setup using the virtual event, all works great. But when trying to discover device from Alexa GUI, no device is found.
My Alexa Skill id : amzn1.ask.skill.40736a26-c91f-43b9-9e6c-b65e522612fe
It is configure to trigger my first lambda that is :
arn:aws:lambda:us-east-1:793444176480:function:myAVSDemoLambda
Thank you in advance for help,
