According to engine.log the hostname has been refused by the engine:

2019-02-02 10:45:47,701+08 WARN  [org.ovirt.engine.core.bll.hostdeploy.AddVdsCommand] (default task-1) [a40d4701-fc79-40bd-8cb1-a27f862524c8] Validation of action 'AddVds' failed for user admin@internal-authz. Reasons: VAR__ACTION__ADD,VAR__TYPE__HOST,$server {'skip_reason': 'Conditional result was False', 'skipped': True, 'changed': False},VALIDATION_VDS_NAME_INVALID,$groups [Ljava.lang.Class;@3ad6c71a,$message VALIDATION_VDS_NAME_INVALID,$payload [Ljava.lang.Class;@40b9f1b1,ACTION_TYPE_FAILED_ATTRIBUTE_PATH,$path vdsStatic.name,$validatedValue {'skip_reason': 'Conditional result was False', 'skipped': True, 'changed': False},VALIDATION_VDS_HOSTNAME_HOSTNAME_OR_IP,$groups [Ljava.lang.Class;@2e4c2283,$message VALIDATION_VDS_HOSTNAME_HOSTNAME_OR_IP,$payload [Ljava.lang.Class;@515256cd,ACTION_TYPE_FAILED_ATTRIBUTE_PATH,$path vdsStatic.hostName,$validatedValue {'skip_reason': 'Conditional result was False', 'skipped': True, 'changed': False}
2019-02-02 10:45:47,726+08 ERROR [org.ovirt.engine.api.restapi.resource.AbstractBackendResource] (default task-1) [] Operation Failed: [Host name must be formed of alphanumeric characters, numbers or "-_.", Attribute: vdsStatic.name, Host address must be a FQDN or a valid IP address, Attribute: vdsStatic.name]

Moving to 4.3.2 not being identified as blocker for 4.3.1.

Can you please try to reproduce with latest build?

Test With RHVH-4.3-20190313.3-RHVH-x86_64-dvd1.iso
Failed as below:
TASK [ovirt.hosted_engine_setup : Check for the local bootstrap VM] *******************************************************************************************************************************************
ok: [localhost]

TASK [ovirt.hosted_engine_setup : Make the engine aware that the external VM is stopped] **********************************************************************************************************************
An exception occurred during task execution. To see the full traceback, use -vvv. The error was: Error: Fault reason is "Operation Failed". Fault detail is "[Desktop does not exist]". HTTP response code is 400.
fatal: [localhost]: FAILED! => {"changed": false, "msg": "Fault reason is \"Operation Failed\". Fault detail is \"[Desktop does not exist]\". HTTP response code is 400."}
...ignoring

Steps:
According to docs https://github.com/oVirt/ovirt-ansible-hosted-engine-setup
1. ansible-galaxy install the two roles
2. create hosted_engine_deploy_localhost.yml, passwords.yml,he_deployment.json
3. ansible-vault encrypt passwords.yml
4. run "ansible-playbook hosted_engine_deploy_localhost.yml --extra-vars='@he_deployment.json' --extra-vars='@passwords.yml' --ask-vault-pass"

Result:
Deploy failed.

Created attachment 1545964 [details]
New log file

(In reply to Wei Wang from comment #5)
> Test With RHVH-4.3-20190313.3-RHVH-x86_64-dvd1.iso
> Failed as below:
> TASK [ovirt.hosted_engine_setup : Check for the local bootstrap VM]
> *****************************************************************************
> **************************************************************
> ok: [localhost]
> 
> TASK [ovirt.hosted_engine_setup : Make the engine aware that the external VM
> is stopped]
> *****************************************************************************
> *****************************************
> An exception occurred during task execution. To see the full traceback, use
> -vvv. The error was: Error: Fault reason is "Operation Failed". Fault detail
> is "[Desktop does not exist]". HTTP response code is 400.
> fatal: [localhost]: FAILED! => {"changed": false, "msg": "Fault reason is
> \"Operation Failed\". Fault detail is \"[Desktop does not exist]\". HTTP
> response code is 400."}
> ...ignoring


This is a duplicate of a vdsm bug: https://bugzilla.redhat.com/show_bug.cgi?id=1690301#c3

Can you please retest once that one is fixed?

(In reply to Simone Tiraboschi from comment #7)
> (In reply to Wei Wang from comment #5)
> > Test With RHVH-4.3-20190313.3-RHVH-x86_64-dvd1.iso
> > Failed as below:
> > TASK [ovirt.hosted_engine_setup : Check for the local bootstrap VM]
> > *****************************************************************************
> > **************************************************************
> > ok: [localhost]
> > 
> > TASK [ovirt.hosted_engine_setup : Make the engine aware that the external VM
> > is stopped]
> > *****************************************************************************
> > *****************************************
> > An exception occurred during task execution. To see the full traceback, use
> > -vvv. The error was: Error: Fault reason is "Operation Failed". Fault detail
> > is "[Desktop does not exist]". HTTP response code is 400.
> > fatal: [localhost]: FAILED! => {"changed": false, "msg": "Fault reason is
> > \"Operation Failed\". Fault detail is \"[Desktop does not exist]\". HTTP
> > response code is 400."}
> > ...ignoring
> 
> 
> This is a duplicate of a vdsm bug:
> https://bugzilla.redhat.com/show_bug.cgi?id=1690301#c3
> 
> Can you please retest once that one is fixed?

Yes, I will retest it once the vdsm bug is fixed.

To be tested with 4.3.3 RC1 compose

Test Version:
rhvh-4.3.0.5-0.20190327.0+1
ovirt-ansible-repositories-1.1.5-1.el7ev.noarch
ovirt-ansible-engine-setup-1.1.9-1.el7ev.noarch
ovirt-ansible-hosted-engine-setup-1.0.14-1.el7ev.noarch
rhvm-appliance-4.3-20190327.0.el7.x86_64

Steps:
According to docs https://github.com/oVirt/ovirt-ansible-hosted-engine-setup
1. ansible-galaxy install the two roles
2. create hosted_engine_deploy_localhost.yml, passwords.yml,he_deployment.json
3. ansible-vault encrypt passwords.yml
4. run "ansible-playbook hosted_engine_deploy_localhost.yml --extra-vars='@he_deployment.json' --extra-vars='@passwords.yml' --ask-vault-pass"

Result:
Deploy failed as below issue:
TASK [ovirt.hosted_engine_setup : Wait for the host to be up] *************************************************************************************************************************************************
FAILED - RETRYING: Wait for the host to be up (120 retries left).
FAILED - RETRYING: Wait for the host to be up (119 retries left).
....
FAILED - RETRYING: Wait for the host to be up (1 retries left).
fatal: [localhost]: FAILED! => {"ansible_facts": {"ovirt_hosts": [{"address": "hp-dl388g9-04.lab.eng.pek2.redhat.com", "affinity_labels": [], "auto_numa_status": "unknown", "certificate": {"organization": "lab.eng.pek2.redhat.com", "subject": "O=lab.eng.pek2.redhat.com,CN=hp-dl388g9-04.lab.eng.pek2.redhat.com"}, "cluster": {"href": "/ovirt-engine/api/clusters/b886db90-5104-11e9-baa3-5254003404b0", "id": "b886db90-5104-11e9-baa3-5254003404b0"}, "comment": "", "cpu": {"speed": 0.0, "topology": {}}, "device_passthrough": {"enabled": false}, "devices": [], "external_network_provider_configurations": [], "external_status": "ok", "hardware_information": {"supported_rng_sources": []}, "hooks": [], "href": "/ovirt-engine/api/hosts/44ad9074-1f95-4446-a4e8-ba2dd226a872", "id": "44ad9074-1f95-4446-a4e8-ba2dd226a872", "katello_errata": [], "kdump_status": "unknown", "ksm": {"enabled": false}, "max_scheduling_memory": 0, "memory": 0, "name": "hp-dl388g9-04.lab.eng.pek2.redhat.com", "network_attachments": [], "nics": [], "numa_nodes": [], "numa_supported": false, "os": {"custom_kernel_cmdline": ""}, "permissions": [], "port": 54321, "power_management": {"automatic_pm_enabled": true, "enabled": false, "kdump_detection": true, "pm_proxies": []}, "protocol": "stomp", "se_linux": {}, "spm": {"priority": 5, "status": "none"}, "ssh": {"fingerprint": "SHA256:/+437R+N0iIA6tU08WHTIqK4xBXOcqnWm++Nyc6pp+o", "port": 22}, "statistics": [], "status": "install_failed", "storage_connection_extensions": [], "summary": {"total": 0}, "tags": [], "transparent_huge_pages": {"enabled": false}, "type": "ovirt_node", "unmanaged_networks": [], "update_available": false, "vgpu_placement": "consolidated"}]}, "attempts": 120, "changed": false}

TASK [ovirt.hosted_engine_setup : Fetch logs from the engine VM] **********************************************************************************************************************************************
included: /usr/share/ansible/roles/ovirt.hosted_engine_setup/tasks/fetch_engine_logs.yml for localhost

ovirt-engine/engine.log
2019-03-28 10:59:06,078+08 ERROR [org.ovirt.engine.core.bll.hostdeploy.InstallVdsInternalCommand] (EE-ManagedThreadFactory-engine-Thread-1) [6305c0d5] Host installation failed for host '44ad9074-1f95-4446-a4e8-ba2dd226a872', 'hp-dl388g9-04.lab.eng.pek2.redhat.com': Failed to execute Ansible host-deploy role. Please check logs for more details: /var/log/ovirt-engine/host-deploy/ovirt-host-deploy-ansible-20190328105638-hp-dl388g9-04.lab.eng.pek2.redhat.com-6305c0d5.log
2019-03-28 10:59:06,081+08 INFO  [org.ovirt.engine.core.vdsbroker.SetVdsStatusVDSCommand] (EE-ManagedThreadFactory-engine-Thread-1) [6305c0d5] START, SetVdsStatusVDSCommand(HostName = hp-dl388g9-04.lab.eng.pek2.redhat.com, SetVdsStatusVDSCommandParameters:{hostId='44ad9074-1f95-4446-a4e8-ba2dd226a872', status='InstallFailed', nonOperationalReason='NONE', stopSpmFailureLogged='false', maintenanceReason='null'}), log id: 6d0d66


/var/log/ovirt-hosted-engine-setup/engine-logs-2019-03-28T02:51:06Z/ovirt-engine/host-deploy/ovirt-host-deploy-ansible-20190328105638-hp-dl388g9-04.lab.eng.pek2.redhat.com-6305c0d5.log:
2019-03-28 10:59:06,007 p=5835 u=ovirt |  TASK [oVirt.metrics/roles/oVirt.initial-validations : Set fluentd_base_packages_available fact] ***
2019-03-28 10:59:06,030 p=5835 u=ovirt |  fatal: [hp-dl388g9-04.lab.eng.pek2.redhat.com]: FAILED! => {}

MSG:

The conditional check 'item.results == []' failed. The error was: error while evaluating conditional (item.results == []): 'dict object' has no attribute 'results'

The error appears to have been in '/usr/share/ansible/roles/oVirt.metrics/roles/oVirt.initial-validations/tasks/check_logging_collectors.yml': line 60, column 3, but may
be elsewhere in the file depending on the exact syntax problem.

The offending line appears to be:


- name: Set fluentd_base_packages_available fact
  ^ here


Change the status to "ASSIGNED"

Moving back to ON_QA, please retest once https://bugzilla.redhat.com/show_bug.cgi?id=1693560 is fixed.

Test Version
RHVH-4.3-20190328.0-RHVH-x86_64-dvd1.iso
ovirt-ansible-repositories-1.1.5-1.el7ev.noarch
ovirt-ansible-engine-setup-1.1.9-1.el7ev.noarch
ovirt-ansible-hosted-engine-setup-1.0.14-1.el7ev.noarch
rhvm-appliance-4.3-20190328.1.el7.rpm

Test Steps:
According to comment 5

Result:
Hosted engine deploy successfully.

Bug is fixed, change the status to "VERIFIED"

This bugzilla is included in oVirt 4.3.3 release, published on April 16th 2019.

Since the problem described in this bug report should be
resolved in oVirt 4.3.3 release, it has been closed with a resolution of CURRENT RELEASE.

If the solution does not work for you, please open a new bug report.