Merge pull request #5041 from jackfrancis/capz-sa-uniqueness

ensure more uniqueness for CI storage accounts

Author: k8s-ci-robot

scripts/kind-with-registry.sh

@@ -28,8 +28,8 @@ KUBECTL="${REPO_ROOT}/hack/tools/bin/kubectl"
 KIND="${REPO_ROOT}/hack/tools/bin/kind"
 AZWI="${REPO_ROOT}/hack/tools/bin/azwi"
 AZWI_ENABLED="${AZWI_ENABLED:-true}"
-RANDOM_SUFFIX="${RANDOM_SUFFIX:-$RANDOM}"
-export AZWI_STORAGE_ACCOUNT="oidcissuer${RANDOM_SUFFIX}"
+RANDOM_SUFFIX="${RANDOM_SUFFIX:-$(od -An -N4 -tu4 /dev/urandom | tr -d ' ' | head -c 8)}"
+export AZWI_STORAGE_ACCOUNT="capzcioidcissuer${RANDOM_SUFFIX}"
 export AZWI_STORAGE_CONTAINER="\$web"
 export AZWI_LOCATION="${AZURE_LOCATION:-southcentralus}"
 export SERVICE_ACCOUNT_ISSUER="${SERVICE_ACCOUNT_ISSUER:-}"