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You’ll need to export the values and use a stack reference

Export the values by using

containerregistry.Registry

or

docker.Image

? Thanks @billowy-army-68599

You’ll need the username and password for the registry you’ve created, the login credentials. Export those outputs

According to the way i got the credentials above I exported in this way:

pulumi.export("acr_admin_username", admin_username)
pulumi.export("acr_admin_password", admin_password)

But then is not clear for me where can I use them to pull the image, I am not familiar with the stack reference concept/purpose, I mean being them to access outputs from one stack to another one, i am confused since I am working with one stack onlying Sorry I am new in this pulumi, I will read more.

You’re setting up the app service in a different project right? https://www.pulumi.com/docs/intro/concepts/stack/#stackreferences

No, in the same project/stack I am getting the existing ACR and creating the appservice. it is an existing acr that was created outside pulumi.

oh sorry, that was my misunderstanding, give me a moment

no worries, 🙂

this is in typescript, but hopefully it should be easy to understand...you need to add some `appSettings`:

const app = new web.WebApp("app", {
    resourceGroupName: resourceGroup.name,
    serverFarmId: plan.id,
    siteConfig: {
        appSettings: [
            {
                name: "DOCKER_REGISTRY_SERVER_URL",
                value: pulumi.interpolate`https://${registry.loginServer}`,
            },
            {
                name: "DOCKER_REGISTRY_SERVER_USERNAME",
                value: adminUsername,
            },
            {
                name: "DOCKER_REGISTRY_SERVER_PASSWORD",
                value: adminPassword,
            },
            {
                name: "WEBSITES_PORT",
                value: "80", // Our custom image exposes port 80. Adjust for your app as needed.
            },
        ],
        alwaysOn: true,
        linuxFxVersion: pulumi.interpolate`DOCKER|${image.imageName}`,
    },
    httpsOnly: true,
});

Yes, these are my appSettings

app_service = web.WebApp(
    "appservice-wmlab",
    resource_group_name=resource_group.name,
    server_farm_id=app_service_plan.id,
    site_config=web.SiteConfigArgs(
        app_settings=[
            web.NameValuePairArgs(name="WEBSITES_ENABLE_APP_SERVICE_STORAGE", value="true"),
            web.NameValuePairArgs(
                name="DOCKER_REGISTRY_SERVER_URL",
                value=rhdhv_container_registry.login_server.apply(
                    lambda login_server: f"https://{login_server}"
                )
            ),
            web.NameValuePairArgs(name="DOCKER_REGISTRY_SERVER_USERNAME", value=admin_username),
            web.NameValuePairArgs(name="DOCKER_REGISTRY_SERVER_PASSWORD", value=admin_password),
            web.NameValuePairArgs(name="WEBSITES_PORT", value="88888"),
        ],
        always_on=True,

        # THE THING IS THAT THIS `wm_lab_image` -- IT CONTINUES ON CHAT.
        linux_fx_version=wm_lab_image.image_name.apply(lambda image_name: f"DOCKER|{image_name}"),

    ),
    https_only=True
)

The point where I am struggling, is that

wm_lab_image

is the image I need to pull from the acr. I thought the

docker.Image

resource here allows to pull it, but it is just to build and push, so pull is not included being

build

parameter mandatory. So this that I did is wrong:

wm_lab_image=docker.Image(
    container_image,
    image_name=rhdhv_container_registry.login_server.apply(
        lambda login_server: f"{login_server}/{container_image}:2021-07-2-dev" # check dinamically the tag
    ),
    registry=docker.ImageRegistry(
        server=rhdhv_container_registry.login_server,
        username=admin_username,
        password=admin_password
    )
    # registry=acr_credentials
)

Then that is why I don’t know which resource to pull the image as long i got the acr.

in the python/ts example the image is built locally, I understand the problem now. you want to grab an image that exists in a repo programmatically, right?

yes exactly

this is what you need, I think: https://www.pulumi.com/docs/reference/pkg/docker/getregistryimage/

@billowy-army-68599 sorry for bothering you, I am using the

docker.get_registry_image

function to retrieve a docker image, and now I got a different error, which make it looks promising. • I am getting the configuration of the existing container registry:

rhdhv_container_registry = azure_native.containerregistry.Registry(
    "rhdhvContainerRegistry",
    admin_user_enabled=True,
    location="westeurope",
    network_rule_set=azure_native.containerregistry.NetworkRuleSetArgs(
        default_action="Allow",
    ),
    registry_name="rhdhvContainerRegistry",
    resource_group_name="genericRG1",
    sku=azure_native.containerregistry.SkuArgs(
        name="Premium",
    ),
    opts=pulumi.ResourceOptions(protect=True))


# HERE I GOT THE CREDENTIALS
acr_credentials = pulumi.Output.all("genericRG1", rhdhv_container_registry.name).apply(
    lambda args: azure_native.containerregistry.list_registry_credentials(
        resource_group_name=args[0],
        registry_name=args[1]
    )
)
admin_username = acr_credentials.username
admin_password = acr_credentials.passwords[0]["value"]

# HERE THE CREDENTIALS ARE EXPORTED JUST TO SEE THEM TO
# REALIZED I AM TALKING TO THE CONTAINER REGISTRY
pulumi.export("acr_admin_username", admin_username)
pulumi.export("acr_admin_password", admin_password)

• Then I try to fetch the docker image with

docker.get_registry_image

function in this way:

wm_lab_registry_image = docker.get_registry_image(name="<http://rhdhvcontainerregistry.azurecr.io/wmlab:2021-07-2-dev|rhdhvcontainerregistry.azurecr.io/wmlab:2021-07-2-dev>")
wm_lab_remote_image = docker.RemoteImage(
    "wmlabRemoteImage",
    name=wm_lab_registry_image.name,
    pull_triggers=[wm_lab_registry_image.sha256_digest]
)

• And the configuration for the appservice is this:

app_service = web.WebApp(
    "appservice-wmlab",
    resource_group_name=resource_group.name,
    server_farm_id=app_service_plan.id,
    site_config=web.SiteConfigArgs(
        app_settings=[
            web.NameValuePairArgs(name="WEBSITES_ENABLE_APP_SERVICE_STORAGE", value="true"),
            web.NameValuePairArgs(
                name="DOCKER_REGISTRY_SERVER_URL",
                value=rhdhv_container_registry.login_server.apply(
                    lambda login_server: f"https://{login_server}"
                )
            ),
            web.NameValuePairArgs(name="DOCKER_REGISTRY_SERVER_USERNAME", value=admin_username),
            web.NameValuePairArgs(name="DOCKER_REGISTRY_SERVER_PASSWORD", value=admin_password),
            web.NameValuePairArgs(name="WEBSITES_PORT", value="88888"),
        ],
        always_on=True,
        linux_fx_version=wm_lab_remote_image.name
        # linux_fx_version=wm_lab_registry_image.name
    ),
    https_only=True
)

But then at the output I got an

401 Unauthorized

error precisely at

get_registry_image

File "./__main__.py", line 187, in <module>
        wm_lab_registry_image = docker.get_registry_image(name="<http://rhdhvcontainerregistry.azurecr.io/wmlab:2021-07-2-dev|rhdhvcontainerregistry.azurecr.io/wmlab:2021-07-2-dev>")
      File "/Users/bgarcial/workspace/wmlab-infrastructure/venv/lib/python3.8/site-packages/pulumi_docker/get_registry_image.py", line 113, in get_registry_image
        __ret__ = pulumi.runtime.invoke('docker:index/getRegistryImage:getRegistryImage', __args__, opts=opts, typ=GetRegistryImageResult).value
      File "/Users/bgarcial/workspace/wmlab-infrastructure/venv/lib/python3.8/site-packages/pulumi/runtime/invoke.py", line 146, in invoke
        raise invoke_error
    Exception: invoke of docker:index/getRegistryImage:getRegistryImage failed: invocation of docker:index/getRegistryImage:getRegistryImage returned an error: invoking docker:index/getRegistryImage:getRegistryImage: 1 error occurred:
    	* Got error when attempting to fetch image version wmlab:2021-07-2-dev from registry: Got bad response from registry: 401 Unauthorized
    error: an unhandled error occurred: Program exited with non-zero exit code: 1

In somehow, looks like the credentials or the loginserver URL is not achieving the request when fetching the image at

get_registry_image

, but I can confirm that the credentials are the correct ones, since I got them right at the export outputs such as is shown at the picture below

oh man, it looks like the get_registry_image command doesn't support credentials 😞 you'll probably have to hardcode the image you want to pull, I'm afraid

@billowy-army-68599 I got it, I put the complete path image at

linux_fx_version

app_settings parameter and it works. How recommendable is this “approach”?

linux_fx_version="<http://mycontainerregistry.azurecr.io/imagename:tag|mycontainerregistry.azurecr.io/imagename:tag>",

Totally recommendable! You might want to make the tag a config option so you can update it outside the code?

like a value to be set via

pulumi config set

?

Yep

Thanks for the help @billowy-army-68599