IotEdge - Error calling Create module image-classifier-service - azure

Question

I'm very new to Azure IoT Edge and I'm trying to deploy to my Raspberry PI : Image Recognition with Azure IoT Edge and Cognitive Services
but after Build & Push IoT Edge Solution and Deploy it to Single Device ID I see none of those 2 modules listed in Docker PS -a & Iotedge list
And when try to check it on EdgeAgent Logs there's error message and it seems EdgeAgent get error while creating those Modules (camera-capture and image-classifier-service)
I've tried :
1. Re-build it from fresh folder package
2. Pull the image manually from Azure Portal and run the image manually by script
I'm stuck on this for days.
in deployment.arm32v7.json for those modules I define the Image with registered registry url :
"modules": {
"camera-capture": {
"version": "1.0",
"type": "docker",
"status": "running",
"restartPolicy": "always",
"settings": {
"image": "zzzz.azurecr.io/camera-capture-opencv:1.1.12-arm32v7",
"createOptions": "{\"Env\":[\"Video=0\",\"azureSpeechServicesKey=2f57f2d9f1074faaa0e9484e1f1c08c1\",\"AiEndpoint=http://image-classifier-service:80/image\"],\"HostConfig\":{\"PortBindings\":{\"5678/tcp\":[{\"HostPort\":\"5678\"}]},\"Devices\":[{\"PathOnHost\":\"/dev/video0\",\"PathInContainer\":\"/dev/video0\",\"CgroupPermissions\":\"mrw\"},{\"PathOnHost\":\"/dev/snd\",\"PathInContainer\":\"/dev/snd\",\"CgroupPermissions\":\"mrw\"}]}}"
}
},
"image-classifier-service": {
"version": "1.0",
"type": "docker",
"status": "running",
"restartPolicy": "always",
"settings": {
"image": "zzzz.azurecr.io/image-classifier-service:1.1.5-arm32v7",
"createOptions": "{\"HostConfig\":{\"Binds\":[\"/home/pi/images:/images\"],\"PortBindings\":{\"8000/tcp\":[{\"HostPort\":\"80\"}],\"5679/tcp\":[{\"HostPort\":\"5679\"}]}}}"
}
Error message from EdgeAgent Logs :
(Inner Exception #0) Microsoft.Azure.Devices.Edge.Agent.Edgelet.EdgeletCommunicationException- Message:Error calling Create module
image-classifier-service: Could not create module image-classifier-service
caused by: Could not pull image zzzzz.azurecr.io/image-classifier-service:1.1.5-arm32v7
caused by: Get https://zzzzz.azurecr.io/v2/image-classifier-service/manifests/1.1.5-arm32v7: unauthorized: authentication required
When trying to run the pulled image by script :
sudo docker run --rm --name testName -it zzzz.azurecr.io/camera-capture-opencv:1.1.12-arm32v7
None
I get this error :
Camera Capture Azure IoT Edge Module. Press Ctrl-C to exit.
Error: Time:Fri May 24 10:01:09 2019 File:/usr/sdk/src/c/iothub_client/src/iothub_client_core_ll.c Func:retrieve_edge_environment_variabes Line:191 Environment IOTEDGE_AUTHSCHEME not set
Error: Time:Fri May 24 10:01:09 2019 File:/usr/sdk/src/c/iothub_client/src/iothub_client_core_ll.c Func:IoTHubClientCore_LL_CreateFromEnvironment Line:1572 retrieve_edge_environment_variabes failed
Error: Time:Fri May 24 10:01:09 2019 File:/usr/sdk/src/c/iothub_client/src/iothub_client_core.c Func:create_iothub_instance Line:941 Failure creating iothub handle
Unexpected error IoTHubClient.create_from_environment, IoTHubClientResult.ERROR from IoTHub

Answer 1

When you pulled the image directly with docker run, it pulled but then failed to run outside of the edge runtime, which is expected. But when the edge agent tried to pull it, it failed because it was not authorized. No credentials were supplied to the runtime, so it attempted to access the registry anonymously.
Make sure that you add your container registry credentials to the deployment so that edge runtime can pull images. The deployment should contain something like the following in the runtime settings:
"MyRegistry" :{
"username": "<username>",
"password": "<password>",
"address": "<registry-name>.azurecr.io"
}
As #silent pointed out in the comments, the documentation is here, including an example deployment that includes container registry credentials.