Auth And Security

# Standard login — wires Docker/Podman credentials via your az login identity
az acr login --name {registry}

# Without a Docker daemon: get an Entra access token and pipe it to docker login
LOGIN_SERVER=$(az acr show --name {registry} --query loginServer --output tsv)
az acr login --name {registry} --expose-token --query accessToken --output tsv | \
  docker login $LOGIN_SERVER --username 00000000-0000-0000-0000-000000000000 --password-stdin

az acr show --name {registry} --query roleAssignmentMode --output tsv
# LegacyRegistryPermissions  -> use AcrPull/AcrPush/AcrDelete
# AbacRepositoryPermissions  -> use Container Registry Repository Reader/Writer/Contributor

# Get the registry resource ID
ACR_ID=$(az acr show --name {registry} --query id --output tsv)

# Grant pull access to a user, group, service principal, or managed identity
az role assignment create --assignee {principal-id} --scope $ACR_ID --role AcrPull

# List who has access
az role assignment list --scope $ACR_ID --output table

# Create an SP scoped to pull only
ACR_ID=$(az acr show --name {registry} --query id --output tsv)
az ad sp create-for-rbac --name {sp-name} --scopes $ACR_ID --role AcrPull

# Docker login with the SP — pipe the secret via stdin, never pass it as an argument
# (printf with a quoted variable preserves whitespace/glob characters exactly)
printf '%s' "$SP_PASSWORD" | docker login $LOGIN_SERVER --username {appId} --password-stdin

# Assign a system-assigned identity and grant it pull
az vm identity assign --name {vm} --resource-group {rg}
PRINCIPAL_ID=$(az vm show --name {vm} --resource-group {rg} --query identity.principalId --output tsv)
az role assignment create --assignee $PRINCIPAL_ID --scope $ACR_ID --role AcrPull

# Attach at cluster creation
az aks create --name {cluster} --resource-group {rg} --attach-acr {registry}

# Attach/detach an existing cluster (grants AcrPull to the kubelet identity)
az aks update --name {cluster} --resource-group {rg} --attach-acr {registry}
az aks update --name {cluster} --resource-group {rg} --detach-acr {registry}

# Validate the cluster can reach the registry
az aks check-acr --name {cluster} --resource-group {rg} --acr {registry}.azurecr.io

ACR_ID=$(az acr show --name {registry} --query id --output tsv)
KUBELET_ID=$(az aks show --name {cluster} --resource-group {rg} \
  --query identityProfile.kubeletidentity.objectId --output tsv)
az role assignment create --assignee $KUBELET_ID --scope $ACR_ID \
  --role "Container Registry Repository Reader"
# "Container Registry Repository Catalog Lister" is NOT needed for pulls —
# only add it if the identity must list repositories

# 1. Create a scope map (actions: content/read, content/write, content/delete, metadata/read, metadata/write)
az acr scope-map create --name {scope-map} --registry {registry} \
  --repository app content/read metadata/read \
  --description "Pull-only access to app"

# 2. Create a token bound to the scope map
az acr token create --name {token} --registry {registry} --scope-map {scope-map}

# 3. Generate/rotate passwords (up to 2, optional expiry)
az acr token credential generate --name {token} --registry {registry} --password1 --expiration-in-days 30

# Login with the token — pipe the password via stdin, never pass it as an argument
printf '%s' "$TOKEN_PWD" | docker login $LOGIN_SERVER --username {token} --password-stdin

# Disable or delete
az acr token update --name {token} --registry {registry} --status disabled
az acr token delete --name {token} --registry {registry} --yes

az acr update --name {registry} --admin-enabled false   # recommended
az acr credential show --name {registry}                # view username/passwords (if enabled)
az acr credential renew --name {registry} --password-name password2   # rotate

# Registries with legacy DCT only — inspect or disable the existing configuration
az acr config content-trust show --registry {registry}
az acr config content-trust update --registry {registry} --status disabled