Metadata service {devices list}

Ahmed Abdelhamid ahmedabdelhamid1221 at gmail.com
Sun Mar 20 15:10:55 UTC 2022


Thanks. It's OpenStack ussuri, deployed via kolla-ansible

On Fri, Mar 18, 2022 at 10:06 PM Laurent Dumont <laurentfdumont at gmail.com>
wrote:

> That is weird.
>
>    - What version of Openstack are you running?
>    - How was it deployed?
>
>
> On Fri, Mar 18, 2022 at 9:30 AM Ahmed Abdelhamid <
> ahmedabdelhamid1221 at gmail.com> wrote:
>
>> Thanks, Laurent. I tried it for both CEPH-backed VMs and ones with local
>> disk, still, the devices array is empty
>>
>> Network data curl shows alright
>>
>> {"links": [{"id": "tapa.....", "vif_id": "ae....", "type": "bridge",
>> "mtu": 1500, "ethernet_mac_address": "fa:......."}], "networks": [{"id":
>> "network0", "type": "ipv4_dhcp", "link": "tap.....
>>
>> On Wed, Mar 16, 2022 at 6:39 PM Laurent Dumont <laurentfdumont at gmail.com>
>> wrote:
>>
>>> Are you getting anything from the neutron endpoint?
>>>
>>> http://169.254.169.254/openstack/2018-08-27/network_data.json
>>>
>>> Can you provide an "openstack server show $server_id" of the VM? I
>>> wonder if it's a case of boot from a volume VM missing that data. It would
>>> not explain why the port is not there though.
>>>
>>> On Tue, Mar 15, 2022 at 9:15 AM Ahmed Abdelhamid <
>>> ahmedabdelhamid1221 at gmail.com> wrote:
>>>
>>>> Hi All,
>>>>
>>>> I am running into a strange issue with the metadata service. Per metadata-service
>>>> manual <https://docs.openstack.org/nova/latest/user/metadata.html>,
>>>> the devices attached to a VM should be visible in
>>>>
>>>> $ curl http://169.254.169.254/openstack/2018-08-27/meta_data.json
>>>>
>>>> However, whenever i execute it from a VM , the devices array is empty
>>>> and looks like this, any idea why ?
>>>>
>>>> Thanks
>>>>
>>>> {   "random_seed": "yu5ZnkqF2CqnDZVAfZgarG...",   "availability_zone": "nova",   "keys": [       {         "data": "ssh-rsa AAAAB3NzaC1y...== Generated by Nova\n",         "type": "ssh",         "name": "mykey"       }   ],   "hostname": "test.novalocal",   "launch_index": 0,   "meta": {      "priority": "low",      "role": "webserver"   },   "devices": [ ],   "project_id": "f7ac731cc11f40efbc03a9f9e1d1d21f",   "public_keys": {       "mykey": "ssh-rsa AAAAB3NzaC1y...== Generated by Nova\n"   },   "name": "test"}
>>>>
>>>>
>>>>
>>>>
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