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Hi Mathieu,

Thanks for your reply.
I am using Openstack Wallaby Release.

The document I was referring to had not specified the usage of any
inventory file.
https://docs.openstack.org/project-deploy-guide/tripleo-docs/latest/deployment/install_overcloud.html

Although I figured this out and passed the inventory file as follows

[Undercloud]
undercloud

After passing this all the errors were removed

Regards
Anirudh Gupta

On Tue, Oct 12, 2021 at 8:32 PM Mathieu Bultel <mbultel at redhat.com> wrote:

> Hi,
>
> Which release are you using ?
> You have to provide a valid inventory file via the openstack CLI in order
> to allow the VF to know which hosts & ips is.
>
> Mathieu
>
> On Fri, Oct 1, 2021 at 5:17 PM Anirudh Gupta <anyrude10 at gmail.com> wrote:
>
>> Hi Team,,
>>
>> Upon further debugging, I found that pre-introspection internally calls
>> the ansible playbook located at path /usr/share/ansible/validation-playbooks
>> File "dhcp-introspection.yaml" has hosts mentioned as undercloud.
>>
>> - hosts: *undercloud*
>>   become: true
>>   vars:
>> ...
>> ...
>>
>>
>> But the artifacts created for dhcp-introspection at
>> location /home/stack/validations/artifacts/<some_random_number>_dhcp-introspection.yaml_2021-10-01T11
>> has file *hosts *present which has *localhost* written into it as a
>> result of which when command gets executed it gives the error *"Could
>> not match supplied host pattern, ignoring: undercloud:"*
>>
>> Can someone suggest how is this artifacts written in tripleo and the way
>> we can change hosts file entry to undercloud so that it can work
>>
>> Similar is the case with other tasks
>> like undercloud-tokenflush, ctlplane-ip-range  etc
>>
>> Regards
>> Anirudh Gupta
>>
>> On Wed, Sep 29, 2021 at 4:47 PM Anirudh Gupta <anyrude10 at gmail.com>
>> wrote:
>>
>>> Hi Team,
>>>
>>> I tried installing Undercloud using the below link:
>>>
>>>
>>> https://docs.openstack.org/project-deploy-guide/tripleo-docs/latest/deployment/install_overcloud.html#deploy-the-overcloud
>>>
>>> I am getting the following error:
>>>
>>> (undercloud) [stack at undercloud ~]$ openstack tripleo validator run
>>> --group pre-introspection
>>> Selected log directory '/home/stack/validations' does not exist.
>>> Attempting to create it.
>>>
>>> +--------------------------------------+---------------------------------+--------+------------+-----------------+-------------------+-------------+
>>> | UUID                                 | Validations
>>> | Status | Host_Group | Status_by_Host  | Unreachable_Hosts | Duration    |
>>>
>>> +--------------------------------------+---------------------------------+--------+------------+-----------------+-------------------+-------------+
>>> | 7029c1f6-5ab4-465d-82d7-3f29058012ce | check-cpu
>>> | PASSED | localhost  | localhost       |                   | 0:00:02.531 |
>>> | db059017-30f1-4b97-925e-3f55b586d492 | check-disk-space
>>>  | PASSED | localhost  | localhost       |                   | 0:00:04.432 |
>>> | e23dd9a1-90d3-4797-ae0a-b43e55ab6179 | check-ram
>>> | PASSED | localhost  | localhost       |                   | 0:00:01.324 |
>>> | 598ca02d-258a-44ad-b78d-3877321cdfe6 | check-selinux-mode
>>>  | PASSED | localhost  | localhost       |                   | 0:00:01.591 |
>>> | c4435b4c-b432-4a1e-8a99-00638034a884 | *check-network-gateway
>>>   | FAILED* | undercloud | *No host matched* |                   |
>>>         |
>>> | cb1eed23-ef2f-4acd-a43a-86fb09bf0372 | *undercloud-disk-space
>>>   | FAILED* | undercloud | *No host matched* |                   |
>>>         |
>>> | abde5329-9289-4b24-bf16-c4d82b03e67a | *undercloud-neutron-sanity-check
>>> | FAILED* | undercloud | *No host matched* |                   |
>>>       |
>>> | d0e5fdca-ece6-4a37-b759-ed1fac31a10f | *ctlplane-ip-range
>>>   | FAILED* | undercloud | No host matched |                   |
>>>       |
>>> | 91511807-225c-4852-bb52-6d0003c51d49 | *dhcp-introspection
>>>    | FAILED* | undercloud | No host matched |                   |
>>>       |
>>> | e96f7704-d2fb-465d-972b-47e2f057449c |* undercloud-tokenflush
>>>   | FAILED *| undercloud | No host matched |                   |
>>>       |
>>>
>>>
>>> As per the validation link,
>>>
>>> https://docs.openstack.org/tripleo-validations/wallaby/validations-pre-introspection-details.html
>>>
>>> check-network-gateway
>>>
>>> If gateway in undercloud.conf is different from local_ip, verify that
>>> the gateway exists and is reachable
>>>
>>> Observation - In my case IP specified in local_ip and gateway, both are
>>> pingable, but still this error is being observed
>>>
>>>
>>> ctlplane-ip-range¶
>>> <https://docs.openstack.org/tripleo-validations/wallaby/validations-pre-introspection-details.html#ctlplane-ip-range>
>>>
>>> Check the number of IP addresses available for the overcloud nodes.
>>>
>>> Verify that the number of IP addresses defined in dhcp_start and
>>> dhcp_end fields in undercloud.conf is not too low.
>>>
>>>    -
>>>
>>>    ctlplane_iprange_min_size: 20
>>>
>>> Observation - In my case I have defined more than 20 IPs
>>>
>>>
>>> Similarly for disk related issue, I have dedicated 100 GB space in /var
>>> and /
>>>
>>> Filesystem           Size  Used Avail Use% Mounted on
>>> devtmpfs              12G     0   12G   0% /dev
>>> tmpfs                 12G   84K   12G   1% /dev/shm
>>> tmpfs                 12G  8.7M   12G   1% /run
>>> tmpfs                 12G     0   12G   0% /sys/fs/cgroup
>>> /dev/mapper/cl-root  100G  2.5G   98G   3% /
>>> /dev/mapper/cl-home   47G  365M   47G   1% /home
>>> /dev/mapper/cl-var   103G  1.1G  102G   2% /var
>>> /dev/vda1            947M  200M  747M  22% /boot
>>> tmpfs                2.4G     0  2.4G   0% /run/user/0
>>> tmpfs                2.4G     0  2.4G   0% /run/user/1000
>>>
>>> Despite setting al the parameters, still I am not able to pass
>>> pre-introspection checks. *"NO Host Matched" *is found in the table.
>>>
>>>
>>> Regards
>>>
>>> Anirudh Gupta
>>>
>>
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