Importing an existing vCenter Server to workload domain fails due to presence of standalone hosts in the inventory

Products

• VMware SDDC Manager / VCF Installer
• VCF Operations

Issue/Introduction

Import existing infrastructure into SDDC Manager as a workload domain fails. The vcf_brownfield.py script fails internally when attempting to assess standalone ESXi hosts.

• In the VCF Operations UI, the import task fails with the error:
  

  Import operation for import with id ########-####-####-####-############ failed internally. Command was python3 /opt/vmware/vcf/domainmanager/scripts/vcf-import-tool/vcf_brownfield.py import --skip-ssh-thumbprint-validation --sso-user administrator@<SSO domain>.local --domain-name <domain name> --vcenter <vCenter FQDN> --internal-vcf-auth --nsx-deployment-spec-path /tmp/nsxDeploymentSpec.json --skip-nsx-overlay --output-dir /var/log/vmware/vcf/domainmanager/brownfield/########-####-####-####-############/ --non-interactive. Please check the log files located in /var/log/vmware/vcf/domainmanager/brownfield/########-####-####-####-############/ on the SDDC Manager appliance

• The following errors may be observed in the /var/log/vmware/vcf/domainmanager/brownfield/########-####-####-####-############/vcf_brownfield.log file on the SDDC Manager appliance:
  
  

  • [INFO] discover_domain:323: >>>>>> [1/66] Starting discovery of ESXi host: <host FQDN>
    [INFO] discover_domain:330: Host <host FQDN> is standalone
    [CRITICAL] vcf_brownfield:62: ESC[91mFatal exception: ("cannot access local variable 'esxi_cluster_moid' where it is not associated with a value",)ESC[00m

  • Internal errors: 0ESC[00m
    [INFO] check_domain:270: ESC[93mFor more details, please, check:ESC[00mESC[93m
            Failed guardrails YML: ESC[00m/var/log/vmware/vcf/domainmanager/brownfield/########-####-####-####-############/output/guardrails_report_<vCenter FQDN>.ymlESC[93m
            Failed guardrails CSV: ESC[00m/var/log/vmware/vcf/domainmanager/brownfield/########-####-####-####-############/output/guardrails_report_<vCenter FQDN>.csvESC[93m
            All guardrails CSV: ESC[00m/var/log/vmware/vcf/domainmanager/brownfield/########-####-####-####-############/output/guardrails_report_<vCenter FQDN>_all.csv
    [INFO] vcf_brownfield:777: ESC[91mPhase '0. Guardrails' completed with errors:ESC[00m
    [INFO] vcf_brownfield:779: ESC[91m    - Critical guardrails have failed. Operation aborted.ESC[00m

  • [INFO] discover_domain:443: Host <host FQDN> esxi_cluster_moid None
    [INFO] discover_domain:447: Host <host FQDN> cluster_ds None
    [INFO] discover_domain:448: Host <host FQDN> cluster_ds_type None
    [CRITICAL] vcf_brownfield:62: ESC[91mFatal exception: ("'NoneType' object has no attribute 'name'",)ESC[00m
    Traceback (most recent call last):
      File "/opt/vmware/vcf/domainmanager/scripts/vcf-import-tool/vcf_brownfield.py", line 1435, in <module>
        main()

Environment

• VCF Operations 9.0.x
• SDDC Manager 9.0.x

Resolution

Proceed to Contact Broadcom support for assistance with this issue.