`spin registry login` fails with Azure Container Registry (ACR)

[ThorstenHans]

When trying to authenticate against an Azure Container Registry (ACR), spin registry login fails with the following error message:

export ACR_PASSWORD=<YOUR_PASSWORD_HERE>
export ACR_NAME=<YOUR_ACR_NAME_HERE>

spin registry login -u $ACR_NAME -p $ACR_PASSWORD $ACR_NAME.azurecr.io
Error: cannot log in to the registry

Caused by:
      cannot authenticate as foobar to registry foobar.azurecr.io: http transport error: error decoding response body: missing field `token` at line 1 column 882

Repro

To create necessary ACR instance, you can use the following Azure CLI commands:

# Create an Azure Resource Group
az group create --name rg-foobar \
    --location germanywestcentral

# Create an ACR
az acr create --name foobar \
    --resource-group rg-foobar \
    --location germanywestcentral \
    --sku Basic \
    --admin-enabled true

Once the ARC instance has been provisioned, you can grab necessary authentication information as shown here:

# Grab credential for ACR
az acr credential show --name foobar \
    --resource-group rg-foobar \
    -oyaml
passwords:
- name: password
  value: SOME_PASSWORD
- name: password2
  value: SOME_OTHER_PASSWORD
username: foobar

Environment

Spin version: spin 2.2.0 (eebfae1 2024-01-30)

MacOS

Darwin zion 23.2.0 Darwin Kernel Version 23.2.0: Wed Nov 15 21:54:05 PST 2023; root:xnu-10002.61.3~2/RELEASE_ARM64_T6031 arm64

Installed Spin plugin versions:

cloud 0.7.0 [installed]
js2wasm 0.6.1 [installed]
py2wasm 0.3.2 [installed]

[radu-matei]

ref #2225