delete-spanner-databases.sh

#!/bin/bash

project="${1}"
instance="${2}"
billing_project="${3}"

_gcloud() {
    if [ "${billing_project}" != "" ]; then
        gcloud --project ${project} --billing-project ${billing_project} "${@}"
    fi

    gcloud --project ${project} "${@}"
}

for db in $(_gcloud spanner databases list --instance=${instance} | awk '{print $1}'); do
    _gcloud  spanner databases delete --instance=${instance} ${db}
done