Cloud Init to use vSphere Network Protocol Profile for IP assignment on CentOS/RHEL

cloud-config.yaml

#cloud-config
write_files:
  - path: /network-init.sh
    content: |
        #!/bin/bash
        # Gateway 10.164.20.1
        # 10.164.20.x/24
        vmtoolsd --cmd 'info-get guestinfo.ovfEnv' > /tmp/ovfenv
        IPAddress=$(sed -n 's/.*Property oe:key="guestinfo.interface.0.ip.0.address" oe:value="\([^"]*\).*/\1/p' /tmp/ovfenv)
        SubnetMask=$(sed -n 's/.*Property oe:key="guestinfo.interface.0.ip.0.netmask" oe:value="\([^"]*\).*/\1/p' /tmp/ovfenv)
        Gateway=$(sed -n 's/.*Property oe:key="guestinfo.interface.0.route.0.gateway" oe:value="\([^"]*\).*/\1/p' /tmp/ovfenv)
        DNS=$(sed -n 's/.*Property oe:key="guestinfo.dns.servers" oe:value="\([^"]*\).*/\1/p' /tmp/ovfenv)
 
        cat > /etc/sysconfig/network-scripts/ifcfg-eth0 <<EOF
        # default via $Gateway dev eth0 # if not set in /etc/sysconfig/network
        BOOTPROTO=none
        ONBOOT=yes
        TYPE=Ethernet
        USERCTL=no
        DEVICE=eth0
        IPADDR=$IPAddress
        NETMASK=255.255.255.0
        # /etc/sysconfig/network
        GATEWAY=$Gateway
        DNS1=8.8.8.8
        EOF
        sudo systemctl restart network
runcmd:
  - bash /network-init.sh