_OS_PARAMS=$(env | awk 'BEGIN {FS="="} /^OS_/ {print $1;}' | paste -sd ' ')
for param in $_OS_PARAMS; do
    if [ "$param" = "OS_AUTH_PROTOCOL" ]; then continue; fi
    if [ "$param" = "OS_CACERT" ]; then continue; fi
    unset $param
done
unset _OS_PARAMS

_keystone_unit=$(juju status keystone --format yaml | \
    awk '/units:$/ {getline; gsub(/:$/, ""); print $1}')
_keystone_ip=$(juju run --unit ${_keystone_unit} 'unit-get private-address')
_password=$(juju run --unit ${_keystone_unit} 'leader-get admin_passwd')

export OS_AUTH_URL=${OS_AUTH_PROTOCOL:-http}://${_keystone_ip}:5000/v3
export OS_USERNAME=admin
export OS_PASSWORD=${_password}
export OS_USER_DOMAIN_NAME=admin_domain
export OS_PROJECT_DOMAIN_NAME=admin_domain
export OS_PROJECT_NAME=admin
export OS_REGION_NAME=RegionOne
export OS_IDENTITY_API_VERSION=3
# Swift needs this:
export OS_AUTH_VERSION=3
# Gnocchi needs this
export OS_AUTH_TYPE=password