Open Stack

2103 ERROR oslo.messaging._drivers.impl_rabbit Connection failed: failed to
resolve broker hostname: OSError: failed to resolve broker hostname


On Tue, Apr 11, 2023 at 9:54 AM Dmitriy Rabotyagov <noonedeadpunk at gmail.com>
wrote:

> If you're going to go prod I would for sure use some deployment tool
> rather then manual deployment, as further operations and scaling up would
> be way easier.
>
> What error do you get with existing hosts record?
>
> вт, 11 апр. 2023 г., 14:57 Trey Fleishman <
> nfleishman at student.ccaeagles.org>:
>
>> Hello Dmitriy,
>>
>> That is what I thought too, in my host file I define the hostname as the
>> correct IP address, and if I change the "controller" hostname to some
>> factitious IP I get a different error. I've tried putting the IP instead of
>> the hostname, but to no avail. I can successfully ping the hostname from
>> the machine. I would also rather not use a tool as I plan to go production
>> once I get my two node setup functional. I am not sure if this might be a
>> configuration issue, or maybe a bug.
>> Trey Fleishman
>> Student and IT Intern
>> (704) 750 - 1740
>> *Calvary Chapel Fort Lauderdale*
>> 2401 W. Cypress Creek Rd., Ft. Lauderdale, FL 33309
>> CalvaryFTL.org
>>
>>
>> On Tue, Apr 11, 2023 at 12:54 AM Dmitriy Rabotyagov <
>> noonedeadpunk at gmail.com> wrote:
>>
>>> Hi Trey,
>>>
>>> Have you defined a record in your /etc/hosts for "controller", as
>>> according to the error service simply can not resolve this hostname to an
>>> IP address.
>>>
>>> Also I can suggest trying out one of the following OpenStack deployment
>>> tools:
>>> https://docs.openstack.org/zed/deploy/index.html
>>>
>>> Most of them have All-In-One guides that can spawn an opestack sandbox
>>> to play with.
>>>
>>> вт, 11 апр. 2023 г., 00:21 Trey Fleishman <
>>> nfleishman at student.ccaeagles.org>:
>>>
>>>> Hello all,
>>>> Recently I tried installing Openstack via this
>>>> <https://docs.openstack.org/install-guide/openstack-services.html>
>>>> guide. Upon completion of all the steps including the dashboard step, I was
>>>> greeted with this error inside the nova_schedular.log file, after I tried
>>>> creating an instance.
>>>>
>>>> 2103 ERROR oslo.messaging._drivers.impl_rabbit Connection failed:
>>>> failed to resolve broker hostname: OSError: failed to resolve broker
>>>> hostname
>>>>
>>>> When I try to create an instance it hangs in the "scheduling" state and
>>>> throws this error. I have not configured anything in the "oslo.messaging"
>>>> section of the Nova config file. I believe that under the [default] section
>>>> this is what's causing the issue, but the password and hostname are fine.
>>>>
>>>> transport_url =
>>>> rabbit://openstack:BnE9LLfCtjdPvpEnZUnPytSyrfUxE8th@controller
>>>>
>>>> Thanks!
>>>>
>>>
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