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Please provide as much information as possible. At least, this should include a description of your issue and steps to reproduce the problem. If possible please provide a summary of what steps or workarounds you have already tried, and any docs or articles you found (un)helpful.

Problem you have encountered:

After my customer reserved an internal IP address in a shared VPC architecture inside the Service project with the command line below[1], my customer was able to use this IP address to create a VM instance with that reserved IP address.

After that, my customer expects the configuration inside the VM instance for the network-scripts for the current interface was created with the reserved IP address as static. [2]

[1]

gcloud compute addresses create NAME \
    --addresses=ADDRESS,[ADDRESS,…]
    --project SERVICE_PROJECT \
    --subnet projects/HOST_PROJECT/regions/REGION/subnetworks/SUBNETWORK_NAME \
    --region=REGION

[2]

network-scripts]$ cat ifcfg-eth0 
TYPE="Ethernet"
PROXY_METHOD="none"
BROWSER_ONLY="no"
BOOTPROTO="dhcp"
DEFROUTE="yes"
IPV4_FAILURE_FATAL="no"
IPV6INIT="yes"
IPV6_AUTOCONF="yes"
IPV6_DEFROUTE="yes"
IPV6_FAILURE_FATAL="no"
IPV6_ADDR_GEN_MODE="stable-privacy"
NAME="eth0"
UUID="xxxxxx"
DEVICE="eth0"
ONBOOT="yes"
PERSISTENT_DHCLIENT="y"

What you expected to happen:

customer expect the interface configuration setting up with the Internal IP address reserved along with the DNS, GATEWAY, SUBNET_MASK and BOOTPROTO="static"

Steps to reproduce:

1. Run the command line above [1] in a shared VPC architecture inside the service project attached

2. create a GCE from scratch with a CENTOS7 image and for advance configuration open the network section and select the reserved IP as IP for the NIC0

3. After the GCE instance start, move to the path:/etc/sysconfig/network-scripts

4. open the interface configuration in this reference cat ifcfg-eth0

and you can see the values as reference [2], customer expect the IP reserved as IP, and all the required configuration on the configuration file as static

Other information (workarounds you have tried, documentation consulted, etc):

Customer requires this value BOOTPROTO as static to run their application.