Specify the NatIpAllocateOption, which can take one of the following
values: - MANUAL_ONLY: Uses only Nat IP addresses provided by
customers. When there are not enough specified Nat IPs, the Nat
service fails for new VMs. - AUTO_ONLY: Nat IPs are allocated by
Google Cloud Platform; customers can't specify any Nat IPs. When
choosing AUTO_ONLY, then nat_ip should be empty.
Enums
Name
Description
UNDEFINED_NAT_IP_ALLOCATE_OPTION
A value indicating that the enum field is not set.
AUTO_ONLY
Nat IPs are allocated by GCP; customers can not specify any Nat IPs.
MANUAL_ONLY
Only use Nat IPs provided by customers. When specified Nat IPs are not enough then the Nat service fails for new VMs.
