Tried to disable the Telemetry but still giving the same error but this time during cinder deployment but on the compute and controller.

```
 Stack overcloud CREATE_FAILED

START with options: ['stack', 'failures', 'list', 'overcloud']
command: stack failures list -> heatclient.osc.v1.stack_failures.ListStackFailures (auth=True)
Using auth plugin: password
overcloud.AllNodesDeploySteps.CephStorageDeployment_Step1.0:
  resource_type: OS::Heat::StructuredDeployment
  physical_resource_id: 6fa2f152-8669-4e30-b7e3-3fd340ed86f7
  status: CREATE_FAILED
  status_reason: |
    CREATE aborted
  deploy_stdout: |
None
  deploy_stderr: |
None
overcloud.AllNodesDeploySteps.ComputeDeployment_Step1.0:
  resource_type: OS::Heat::StructuredDeployment
  physical_resource_id: 0661624a-731f-4608-8d28-2146f213eb4f
  status: CREATE_FAILED
  status_reason: |
    Error: resources[0]: Deployment to server failed: deploy_status_code : Deployment exited with non-zero status code: 2
  deploy_stdout: |
    ...
            "Warning: Undefined variable 'deploy_config_name'; ",
            "   (file & line not available)",
            "Error: Evaluation Error: Error while evaluating a Function Call, Could not find data item oslo_messaging_rpc_password in any Hiera data file and no default supplied at /etc/puppet/modules/tripleo/manifests/profile/base/neutron.pp:90:30 on node overcloud-novacompute-0.localdomain"
        ]
    }
        to retry, use: --limit @/var/lib/heat-config/heat-config-ansible/7644e62b-35fa-4eca-8060-535b4fcb0ac0_playbook.retry

    PLAY RECAP *********************************************************************
    localhost                  : ok=4    changed=1    unreachable=0    failed=1

    (truncated, view all with --long)
  deploy_stderr: |

overcloud.AllNodesDeploySteps.ControllerDeployment_Step1.0:
  resource_type: OS::Heat::StructuredDeployment
  physical_resource_id: 862066c2-c08f-46cd-902b-e2ec70a6ff43
  status: CREATE_FAILED
  status_reason: |
    Error: resources[0]: Deployment to server failed: deploy_status_code : Deployment exited with non-zero status code: 2
  deploy_stdout: |
    ...
            "Warning: Undefined variable 'deploy_config_name'; ",
            "   (file & line not available)",
            "Error: Evaluation Error: Error while evaluating a Function Call, Could not find data item oslo_messaging_rpc_password in any Hiera data file and no default supplied at /etc/puppet/modules/tripleo/manifests/profile/base/cinder.pp:87:30 on node overcloud-controller-0.localdomain"
        ]
    }
        to retry, use: --limit @/var/lib/heat-config/heat-config-ansible/4143f88a-ff90-4af3-99bc-c3055428878e_playbook.retry

    PLAY RECAP *********************************************************************
    localhost                  : ok=4    changed=1    unreachable=0    failed=1

    (truncated, view all with --long)
  deploy_stderr: |

END return value: 0
Heat Stack create failed.
Heat Stack create failed.
END return value: 1

```

Disabled Telemetry followed through documentation: https://docs.openstack.org/tripleo-docs/latest/install/advanced_deployment/disable_telemetry.html

So there must be something wrong with the correct deployment of hiera.

```
[root@overcloud-controller-0 ~]# cat /etc/puppet/hiera.yaml

---
:backends:
  - json
:json:
  :datadir: /etc/puppet/hieradata
:hierarchy:
  - "%{::uuid}"
  - heat_config_%{::deploy_config_name}
  - config_step
  - controller_extraconfig
  - extraconfig
  - service_names
  - service_configs
  - controller
  - bootstrap_node
  - all_nodes
  - vip_data
  - net_ip_map
  - "%{::osfamily}"
  - neutron_bigswitch_data
  - neutron_cisco_data
  - cisco_n1kv_data
  - midonet_data
  - cisco_aci_data
[root@overcloud-controller-0 ~]# hiera oslo_messaging_rpc_password
nil
[root@overcloud-controller-0 ~]# cat hiera.yaml
---
:backends:
  - yaml
:hierarchy:
  - defaults
  - "%{clientcert}"
  - "%{environment}"
  - global

:yaml:
# datadir is empty here, so hiera uses its defaults:
# - /var/lib/hiera on *nix
# - %CommonAppData%\PuppetLabs\hiera\var on Windows
# When specifying a datadir, make sure the directory exists.
  :datadir:
```