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    Kubernetes cluster recipes not seeing nodes

    Scheduled Pinned Locked Moved Xen Orchestra
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    • G Offline
      GabrielG @fred974
      last edited by

      Yes, you should have something like that:

      debian@master:~$ kubectl get nodes
NAME     STATUS   ROLES           AGE     VERSION
master   Ready    control-plane   6m52s   v1.26.3
node-1   Ready    <none>          115s    v1.26.3
node-2   Ready    <none>          2m47s   v1.26.3
node-3   Ready    <none>          2m36s   v1.26.3

      Are all worker nodes vm started? What's the output of kubectl get events?

      F 1 Reply Last reply Reply Quote 0
      • F Offline
        fred974 @GabrielG
        last edited by

        @GabrielG Sorry for the late reply. Here is what I have.

        debian@master:~$ kubectl get nodes
NAME     STATUS   ROLES           AGE     VERSION
master   Ready    control-plane   7d22h   v1.26.3
node-2   Ready    <none>          7d22h   v1.26.3

        and

        debian@master:~$ kubectl get events
No resources found in default namespace.
        G 1 Reply Last reply Reply Quote 0
        • G Offline
          GabrielG @fred974
          last edited by

          Thank you.

          Are all VMs started?

          What's the output of kubectl get pods --all-namespaces?

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          • F Offline
            fred974 @GabrielG
            last edited by

            @GabrielG said in Kubernetes cluster recipes not seeing nodes:

            Are all VMs started?

            Yes, all the VMs are up and running
            8784225f-6d2d-4296-b3be-081c340c06a7-image.png

            @GabrielG said in Kubernetes cluster recipes not seeing nodes:

            What's the output of kubectl get pods --all-namespaces?

            debian@master:~$ kubectl get pods --all-namespaces
NAMESPACE      NAME                             READY   STATUS    RESTARTS        AGE
kube-flannel   kube-flannel-ds-mj4n6            1/1     Running   2 (3d ago)      8d
kube-flannel   kube-flannel-ds-vtd2k            1/1     Running   2 (6d19h ago)   8d
kube-system    coredns-787d4945fb-85867         1/1     Running   2 (6d19h ago)   8d
kube-system    coredns-787d4945fb-dn96g         1/1     Running   2 (6d19h ago)   8d
kube-system    etcd-master                      1/1     Running   2 (6d19h ago)   8d
kube-system    kube-apiserver-master            1/1     Running   2 (6d19h ago)   8d
kube-system    kube-controller-manager-master   1/1     Running   2 (6d19h ago)   8d
kube-system    kube-proxy-fmjnv                 1/1     Running   2 (6d19h ago)   8d
kube-system    kube-proxy-gxsrs                 1/1     Running   2 (3d ago)      8d
kube-system    kube-scheduler-master            1/1     Running   2 (6d19h ago)   8d

            Thank you very much

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            • F Offline
              fred974 @fred974
              last edited by

              @GabrielG Do you think I should delete all the VMs and reun the deploy recipe again? Also is it normal that I no longer have the option to set a network CIDR like before?

              G 1 Reply Last reply Reply Quote 0
              • G Offline
                GabrielG @fred974
                last edited by

                You can do that but it won't help us to understand what when wrong during the installation of the worker nodes 1 and 3.

                Can you show me what's the output of sudo cat /var/log/messages for each nodes (master and workers)?

                Concerning the CIDR, we are now using flannel as Container Network Interface, which uses a default CIDR (10.244.0.0/16) allocated to the pods network.

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                • F Offline
                  fred974 @GabrielG
                  last edited by

                  @GabrielG said in Kubernetes cluster recipes not seeing nodes:

                  Can you show me what's the output of sudo cat /var/log/messages for each nodes (master and workers)?

                  From the master:

                  debian@master:~$ sudo cat /var/log/messages
Mar 26 00:10:18 master rsyslogd: [origin software="rsyslogd" swVersion="8.2102.0" x-pid="572" x-info="https://www.rsyslog.com"] rsyslogd was HUPed

                  From node1:
                  https://pastebin.com/xrqPd88V

                  From node2:
                  https://pastebin.com/aJch3diH

                  From node3:
                  https://pastebin.com/Zc1y42NA

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                  • G Offline
                    GabrielG @fred974
                    last edited by

                    Thank you, I'll take a look tomorrow.

                    Is it the whole output for the master?

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                    • F Offline
                      fred974 @GabrielG
                      last edited by

                      @GabrielG yes, all of it

                      F 1 Reply Last reply Reply Quote 0
                      • F Offline
                        fred974 @fred974
                        last edited by

                        @GabrielG did you get a chance to look at the log I provided? Any clues?

                        G 1 Reply Last reply Reply Quote 0
                        • G Offline
                          GabrielG @fred974
                          last edited by

                          Hi,

                          Nothing useful. Maybe you can try to delete the VMs and redeploy the cluster.

                          F 1 Reply Last reply Reply Quote 0
                          • F Offline
                            fred974 @GabrielG
                            last edited by

                            @GabrielG said in Kubernetes cluster recipes not seeing nodes:

                            Nothing useful. Maybe you can try to delete the VMs and redeploy the cluster.

                            Ok I will do that. Whilst I redeploy the cluster, what I am looking for? What log to monitor etc?

                            G F 2 Replies Last reply Reply Quote 0
                            • G Offline
                              GabrielG @fred974
                              last edited by

                              I'd say any error in the console during the cloud-init installation.

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                              • F Offline
                                fred974 @fred974
                                last edited by

                                @GabrielG I deleted the VMs and redeployed it with3 nodes.
                                So far only the Master VM has been created and nothing else. I am missing the 3x nodes.
                                When I look at the console of the master VM, all I get is this:

                                e59f3920-dbb2-473f-b5c2-ba793197a7b4-image.png

                                So the master VM is created but nothing has been deployed

                                I have no error on Xen Orchestra screen or log

                                G 1 Reply Last reply Reply Quote 0
                                • G Offline
                                  GabrielG @fred974
                                  last edited by

                                  The cloud-init installation comes after the step on your screenshot.

                                  Are the 3 nodes VMs started? Can you post the output of sudo cat /var/log/messages?

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                                  • F Offline
                                    fred974 @GabrielG
                                    last edited by

                                    @GabrielG said in Kubernetes cluster recipes not seeing nodes:

                                    Are the 3 nodes VMs started? Can you post the output of sudo cat /var/log/messages?

                                    No node come up. Do you need the message log from all the hosts ?

                                    G F 2 Replies Last reply Reply Quote 0
                                    • G Offline
                                      GabrielG @fred974
                                      last edited by

                                      Yes please.

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                                      • F Offline
                                        fred974 @fred974
                                        last edited by

                                        @GabrielG I just cleared allthe /var/log/messages logs from hosts and Xen Orchestra and started again:

                                        bfbe92db-d559-477d-8b8c-c3fdd1604e71-image.png
                                        Host1: /var/log/messages is empty
                                        Host2: /var/log/messages is empty
                                        Host3: /var/log/messages is empty
                                        Host4: /var/log/messages is empty
                                        XOA: /var/log/messages has the following message repeated 100's time:

                                        Apr  4 07:00:40 xoa kernel: [56429.938470] [UFW BLOCK] IN=eth0 OUT= MAC=33:33:00:00:00:01:cc:2d:e0:58:82:9c:86:dd SRC=fe80:0000:0000:0000:ce2d:e0ff:fe58:829c DST=ff02:0000:0000:0000:0000:0000:0000:0001 LEN=205 TC=0 HOPLIMIT=1 FLOWLBL=211291 PROTO=UDP SPT=5678 DPT=5678 LEN=165
Apr  4 07:01:36 xoa kernel: [56485.646598] [UFW BLOCK] IN=eth0 OUT= MAC=33:33:00:00:00:01:c4:ad:34:4a:8d:38:86:dd SRC=fe80:0000:0000:0000:c6ad:34ff:fe4a:8d38 DST=ff02:0000:0000:0000:0000:0000:0000:0001 LEN=206 TC=0 HOPLIMIT=1 FLOWLBL=467355 PROTO=UDP SPT=5678 DPT=5678 LEN=166

                                        and this message in the middle of the mist

                                        Apr  4 00:10:03 xoa rsyslogd: [origin software="rsyslogd" swVersion="8.2102.0" x-pid="485" x-info="https://www.rsyslog.com"] rsyslogd was HUPed

                                        As before, the master VM is created but nothing more
                                        b6b60229-ab74-4425-93bf-b80c6b5af4b2-image.png

                                        No nodes are created and the recipes page just have a spinning wheel with no error message
                                        028f2f51-c3f3-47f6-b1f5-a6f0d8af1058-image.png

                                        The XOA web log has the following:

                                        sr.stats
{
  "id": "a20ee08c-40d0-9818-084f-282bbca1f217",
  "granularity": "seconds"
}
{
  "message": "Cannot read properties of undefined (reading 'statusCode')",
  "name": "TypeError",
  "stack": "TypeError: Cannot read properties of undefined (reading 'statusCode')
    at when (/usr/local/lib/node_modules/xo-server/node_modules/xen-api/src/index.js:415:41)
    at matchError (/usr/local/lib/node_modules/xo-server/node_modules/promise-toolbox/_matchError.js:17:103)
    at onError (/usr/local/lib/node_modules/xo-server/node_modules/promise-toolbox/retry.js:64:9)
    at AsyncResource.runInAsyncScope (node:async_hooks:203:9)
    at cb (/usr/local/lib/node_modules/xo-server/node_modules/bluebird/js/release/util.js:355:42)
    at tryCatcher (/usr/local/lib/node_modules/xo-server/node_modules/bluebird/js/release/util.js:16:23)
    at Promise._settlePromiseFromHandler (/usr/local/lib/node_modules/xo-server/node_modules/bluebird/js/release/promise.js:547:31)
    at Promise._settlePromise (/usr/local/lib/node_modules/xo-server/node_modules/bluebird/js/release/promise.js:604:18)
    at Promise._settlePromise0 (/usr/local/lib/node_modules/xo-server/node_modules/bluebird/js/release/promise.js:649:10)
    at Promise._settlePromises (/usr/local/lib/node_modules/xo-server/node_modules/bluebird/js/release/promise.js:725:18)
    at _drainQueueStep (/usr/local/lib/node_modules/xo-server/node_modules/bluebird/js/release/async.js:93:12)
    at _drainQueue (/usr/local/lib/node_modules/xo-server/node_modules/bluebird/js/release/async.js:86:9)
    at Async._drainQueues (/usr/local/lib/node_modules/xo-server/node_modules/bluebird/js/release/async.js:102:5)
    at Immediate.Async.drainQueues [as _onImmediate] (/usr/local/lib/node_modules/xo-server/node_modules/bluebird/js/release/async.js:15:14)
    at processImmediate (node:internal/timers:471:21)
    at process.callbackTrampoline (node:internal/async_hooks:130:17)"
}

                                        I hope this is enough information to debug the issue

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                                        • olivierlambertO Offline
                                          olivierlambert Vates 🪐 Co-Founder CEO
                                          last edited by

                                          Your first Debian VM isn't booting at all. Are you sure your host is working and supporting HVM guest?

                                          Can you boot the Debian 11 template from the XO Hub?

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                                          • F Offline
                                            fred974 @olivierlambert
                                            last edited by

                                            @olivierlambert said in Kubernetes cluster recipes not seeing nodes:

                                            Your first Debian VM isn't booting at all. Are you sure your host is working and supporting HVM guest?

                                            Yes, the hosts has other VM running on them. Also on my original post, the master was created and also the nodes. They simply couldn't see each other

                                            @olivierlambert said in Kubernetes cluster recipes not seeing nodes:

                                            Can you boot the Debian 11 template from the XO Hub?

                                            dab94744-84c6-4bff-a873-58b6ca1362a5-image.png
                                            Yes, I can deploy Debian 11 from the XO Hub but it it won't stay up. The Vm does start and get stuck at the boot process
                                            a4543a52-e92c-41f2-b1a7-a829b001f88e-image.png

                                            vm.stats
{
  "id": "9082c067-e945-0ee0-2aca-4b46ab5c02be"
}
{
  "message": "Cannot read properties of undefined (reading 'statusCode')",
  "name": "TypeError",
  "stack": "TypeError: Cannot read properties of undefined (reading 'statusCode')
    at when (/usr/local/lib/node_modules/xo-server/node_modules/xen-api/src/index.js:415:41)
    at matchError (/usr/local/lib/node_modules/xo-server/node_modules/promise-toolbox/_matchError.js:17:103)
    at onError (/usr/local/lib/node_modules/xo-server/node_modules/promise-toolbox/retry.js:64:9)
    at AsyncResource.runInAsyncScope (node:async_hooks:203:9)
    at cb (/usr/local/lib/node_modules/xo-server/node_modules/bluebird/js/release/util.js:355:42)
    at tryCatcher (/usr/local/lib/node_modules/xo-server/node_modules/bluebird/js/release/util.js:16:23)
    at Promise._settlePromiseFromHandler (/usr/local/lib/node_modules/xo-server/node_modules/bluebird/js/release/promise.js:547:31)
    at Promise._settlePromise (/usr/local/lib/node_modules/xo-server/node_modules/bluebird/js/release/promise.js:604:18)
    at Promise._settlePromise0 (/usr/local/lib/node_modules/xo-server/node_modules/bluebird/js/release/promise.js:649:10)
    at Promise._settlePromises (/usr/local/lib/node_modules/xo-server/node_modules/bluebird/js/release/promise.js:725:18)
    at _drainQueueStep (/usr/local/lib/node_modules/xo-server/node_modules/bluebird/js/release/async.js:93:12)
    at _drainQueue (/usr/local/lib/node_modules/xo-server/node_modules/bluebird/js/release/async.js:86:9)
    at Async._drainQueues (/usr/local/lib/node_modules/xo-server/node_modules/bluebird/js/release/async.js:102:5)
    at Immediate.Async.drainQueues [as _onImmediate] (/usr/local/lib/node_modules/xo-server/node_modules/bluebird/js/release/async.js:15:14)
    at processImmediate (node:internal/timers:471:21)
    at process.callbackTrampoline (node:internal/async_hooks:130:17)"
}

                                            I removed the template and re-installed it again. This time i successfully managed to deploy Debian 11 from XO Hub.
                                            I then tried the Kubernetes recipe again and this time the master is created but is not powering on. Should I manually start the VM?

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