Openstack magnum

Vikarna Tathe vikarnatathe at gmail.com
Tue Oct 19 13:23:20 UTC 2021


Hi Ammad,

Thanks!!! It worked.

On Tue, 19 Oct 2021 at 15:00, Vikarna Tathe <vikarnatathe at gmail.com> wrote:

> Hi Ammad,
>
> Yes, fcos34. Let me try with fcos33. Thanks
>
> On Tue, 19 Oct 2021 at 14:52, Ammad Syed <syedammad83 at gmail.com> wrote:
>
>> Hi,
>>
>> Which fcos image you are using ? It looks like you are using fcos 34.
>> Which is currently not supported. Use fcos 33.
>>
>> On Tue, Oct 19, 2021 at 2:16 PM Vikarna Tathe <vikarnatathe at gmail.com>
>> wrote:
>>
>>> Hi All,
>>>
>>> I was able to login to the instance. I see that kubelet service is in
>>> activating state. When I checked the journalctl, found the below.
>>>
>>>
>>>
>>>
>>>
>>>
>>> *Oct 19 05:18:34 kubernetes-cluster-6cdrblcpckny-master-0 systemd[1]:
>>> Started Kubelet via Hyperkube (System Container).Oct 19 05:18:34
>>> kubernetes-cluster-6cdrblcpckny-master-0 bash[6521]: Error: statfs
>>> /sys/fs/cgroup/systemd: no such file or directoryOct 19 05:18:34
>>> kubernetes-cluster-6cdrblcpckny-master-0 systemd[1]: kubelet.service: Main
>>> process exited, code=exited, status=125/n/aOct 19 05:18:34
>>> kubernetes-cluster-6cdrblcpckny-master-0 systemd[1]: kubelet.service:
>>> Failed with result 'exit-code'.Oct 19 05:18:44
>>> kubernetes-cluster-6cdrblcpckny-master-0 systemd[1]: kubelet.service:
>>> Scheduled restart job, restart counter is at 18.Oct 19 05:18:44
>>> kubernetes-cluster-6cdrblcpckny-master-0 systemd[1]: Stopped Kubelet via
>>> Hyperkube (System Container).*
>>>
>>> Executed the below command to fix this issue.
>>> *mkdir -p  /sys/fs/cgroup/systemd*
>>>
>>>
>>> Now I am getiing the below error. Has anybody seen this issue.
>>>
>>>
>>>
>>> *failed to get the kubelet's cgroup: mountpoint for cpu not found.
>>> Kubelet system container metrics may be missing.failed to get the container
>>> runtime's cgroup: failed to get container name for docker process:
>>> mountpoint for cpu not found. failed to run Kubelet: mountpoint for  not
>>> found*
>>>
>>> On Mon, 18 Oct 2021 at 14:09, Vikarna Tathe <vikarnatathe at gmail.com>
>>> wrote:
>>>
>>>>
>>>>> Hi Ammad,
>>>>>
>>>>> Thanks for responding.
>>>>>
>>>>> Yes the instance is getting created, but i am unable to login though i
>>>>> have generated the keypair. There is no default password for this image to
>>>>> login via console.
>>>>>
>>>>> openstack server list
>>>>>
>>>>> +--------------------------------------+--------------------------------------+---------+------------------------------------+----------------------+----------+
>>>>> | ID                                   | Name
>>>>>         | Status  | Networks                           | Image
>>>>>    | Flavor   |
>>>>>
>>>>> +--------------------------------------+--------------------------------------+---------+------------------------------------+----------------------+----------+
>>>>> | cf955a75-8cd2-4f91-a01f-677159b57cb2 |
>>>>> k8s-cluster-01-2nyejxo3hyvb-master-0 | ACTIVE  | private1=10.100.0.39,
>>>>> 10.14.20.181 | fedora-coreos-latest | m1.large |
>>>>>
>>>>>
>>>>> ssh -i id_rsa core at 10.14.20.181
>>>>> The authenticity of host '10.14.20.181 (10.14.20.181)' can't be
>>>>> established.
>>>>> ECDSA key fingerprint is
>>>>> SHA256:ykEMpwf79/zTMwcELDSI0f66Sxbri56ovGJ+RRwKXDU.
>>>>> Are you sure you want to continue connecting (yes/no/[fingerprint])?
>>>>> yes
>>>>> Warning: Permanently added '10.14.20.181' (ECDSA) to the list of known
>>>>> hosts.
>>>>> core at 10.14.20.181: Permission denied
>>>>> (publickey,gssapi-keyex,gssapi-with-mic).
>>>>>
>>>>> On Mon, 18 Oct 2021 at 14:02, Ammad Syed <syedammad83 at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> Can you check if the master server is deployed as a nova instance ?
>>>>>> if yes, then login to the instance and check cloud-init and heat agent logs
>>>>>> to see the errors.
>>>>>>
>>>>>> Ammad
>>>>>>
>>>>>> On Mon, Oct 18, 2021 at 12:03 PM Vikarna Tathe <
>>>>>> vikarnatathe at gmail.com> wrote:
>>>>>>
>>>>>>> Hello All,
>>>>>>>
>>>>>>> I am trying to create a kubernetes cluster using magnum. Image:
>>>>>>> fedora-coreos.
>>>>>>>
>>>>>>>
>>>>>>> The stack gets stucked in CREATE_IN_PROGRESS. See the output below.
>>>>>>> openstack coe cluster list
>>>>>>>
>>>>>>> +--------------------------------------+----------------+---------+------------+--------------+--------------------+---------------+
>>>>>>> | uuid                                 | name           | keypair |
>>>>>>> node_count | master_count | status             | health_status |
>>>>>>>
>>>>>>> +--------------------------------------+----------------+---------+------------+--------------+--------------------+---------------+
>>>>>>> | 9381cd12-af60-40b1-b1c4-d3dcc93e926e | k8s-cluster-01 | ctrlkey |
>>>>>>>          2 |            1 | CREATE_IN_PROGRESS | None          |
>>>>>>>
>>>>>>> +--------------------------------------+----------------+---------+------------+--------------+--------------------+---------------+
>>>>>>>
>>>>>>> openstack stack resource show k8s-cluster-01-2nyejxo3hyvb
>>>>>>> kube_masters
>>>>>>>
>>>>>>> +------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
>>>>>>> | Field                  | Value
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>                                       |
>>>>>>>
>>>>>>> +------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
>>>>>>> | attributes             | {'refs_map': None, 'removed_rsrc_list':
>>>>>>> [], 'attributes': None, 'refs': None}
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>                                         |
>>>>>>> | creation_time          | 2021-10-18T06:44:02Z
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>                                        |
>>>>>>> | description            |
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>                                       |
>>>>>>> | links                  | [{'href': '
>>>>>>> http://10.14.20.159:8004/v1/f453bf8a2afa4fbba30030738f4dd216/stacks/k8s-cluster-01-2nyejxo3hyvb/38eeba52-76ea-41b5-9358-6bf54ada8d17/resources/kube_masters',
>>>>>>> 'rel': 'self'}, {'href': '
>>>>>>> http://10.14.20.159:8004/v1/f453bf8a2afa4fbba30030738f4dd216/stacks/k8s-cluster-01-2nyejxo3hyvb/38eeba52-76ea-41b5-9358-6bf54ada8d17',
>>>>>>> 'rel': 'stack'}, {'href': '
>>>>>>> http://10.14.20.159:8004/v1/f453bf8a2afa4fbba30030738f4dd216/stacks/k8s-cluster-01-2nyejxo3hyvb-kube_masters-2mhjajuxq5ut/3da2083f-0b2c-4b9d-8df5-8468e0de3028',
>>>>>>> 'rel': 'nested'}] |
>>>>>>> | logical_resource_id    | kube_masters
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>                                        |
>>>>>>> | physical_resource_id   | 3da2083f-0b2c-4b9d-8df5-8468e0de3028
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>                                        |
>>>>>>> | required_by            | ['kube_cluster_deploy',
>>>>>>> 'etcd_address_lb_switch', 'api_address_lb_switch', 'kube_cluster_config']
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>                                                         |
>>>>>>> | resource_name          | kube_masters
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>                                        |
>>>>>>> | resource_status        | CREATE_IN_PROGRESS
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>                                        |
>>>>>>> | resource_status_reason | state changed
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>                                       |
>>>>>>> | resource_type          | OS::Heat::ResourceGroup
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>                                       |
>>>>>>> | updated_time           | 2021-10-18T06:44:02Z
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>                                        |
>>>>>>>
>>>>>>> +------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
>>>>>>>
>>>>>>> Vikarna
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Regards,
>>>>>>
>>>>>>
>>>>>> Syed Ammad Ali
>>>>>>
>>>>> --
>> Regards,
>>
>>
>> Syed Ammad Ali
>>
>
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