Aria proxy failed to connect to VMware Cloud Foundation Operations after new deployment

Products

• VCF Operations

Issue/Introduction

• After a new cloud proxy was deployed from ova following documentation - Configuring Cloud Proxies in VCF Operations, it is not connecting
• In the console, the error is seen:
  
  "Failed to connect to VMware Cloud Foundation Operations after 30 retries"
  
  
• Running cprc-cli -d -v from the Cloud Proxy after logging in as root shows:
  
  DNS analysis:
"Network is unreachable"  - DNS server could not be pinged

ping <IP_of_Cloud_Proxy>
Network is unreachable

"vROps on-prem IP(s) resolution begin...
FAILED to resolve

Default gateway analysis
GATEWAY default : UNKNOWN
  
  
• The cloud proxy hostname is showing as localhost
• /opt/vmware/etc/ovfEnv.xml file and /etc/systemd/network/10-eth0.network show the default gateway as expected.

Environment

VCF Operations 9.x

Cause

An incorrect subnet mask was entered when deploying the OVA in vCenter

Resolution

• It would be best to redeploy the Cloud Proxy and enter the correct subnet mask
• Another option would be to edit environment settings for the Cloud Proxy from Configure > vApp Options in vCenter after powering off then enter the proper subnet mask or any other incorrect value
• If the hostname is still set to localhost after powering on:

  • Update the hostname by running this command as root from the console:

            $VMWARE_PYTHON_BIN /usr/lib/vmware-vcopssuite/utilities/bin/sethostname.py NewHostName

            Where NewHostName is the hostname you want to use.
    
    

  • Restart the Cloud Proxy from vCenter.

    Note: If the hostname fails to update after a restart or it still does not show proper connection to VMware Cloud Foundation Operations, proceed to redeploy the Cloud Proxy with the proper network values