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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

      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.

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                • 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?

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                  • 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 ?

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                          • 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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                                  • F Offline
                                    fred974 @fred974
                                    last edited by fred974

                                    @olivierlambert

                                    xoa.recipe.createKubernetesCluster
                                    {
                                      "masterName": "K8S Master",
                                      "nbNodes": 3,
                                      "network": "37559e16-f83d-b1f4-a1ae-b9c3336dca22",
                                      "sr": "a20ee08c-40d0-9818-084f-282bbca1f217",
                                      "sshKey": "ssh-ed25519 AAAAC3NzaC1lZDI1Nhbilj;jojj'hufsdklk,kp;joFWlpk8BlpKpTO3T2R44YHP6b+g Kubernetes cluster"
                                    }
                                    {
                                      "code": "SR_BACKEND_FAILURE_46",
                                      "params": [
                                        "",
                                        "The VDI is not available [opterr=Failed to attach VDI during \"prepare thin\": The VDI is not available [opterr=Plugin linstor-manager failed]]",
                                        ""
                                      ],
                                      "call": {
                                        "method": "VM.start",
                                        "params": [
                                          "OpaqueRef:6ae3475f-7455-4328-904d-168b35b8ce5f",
                                          false,
                                          false
                                        ]
                                      },
                                      "message": "SR_BACKEND_FAILURE_46(, The VDI is not available [opterr=Failed to attach VDI during \"prepare thin\": The VDI is not available [opterr=Plugin linstor-manager failed]], )",
                                      "name": "XapiError",
                                      "stack": "XapiError: SR_BACKEND_FAILURE_46(, The VDI is not available [opterr=Failed to attach VDI during \"prepare thin\": The VDI is not available [opterr=Plugin linstor-manager failed]], )
                                        at Function.wrap (/usr/local/lib/node_modules/xo-server/node_modules/xen-api/src/_XapiError.js:16:12)
                                        at /usr/local/lib/node_modules/xo-server/node_modules/xen-api/src/transports/json-rpc.js:35:21"
                                    }
                                    
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                                    • olivierlambertO Offline
                                      olivierlambert Vates 🪐 Co-Founder CEO
                                      last edited by

                                      Okay so your problem isn't k8s recipe related, but elsewhere (probably the storage).

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                                      • F Offline
                                        fred974 @olivierlambert
                                        last edited by

                                        @olivierlambert said in Kubernetes cluster recipes not seeing nodes:

                                        Okay so your problem isn't k8s recipe related, but elsewhere (probably the storage).

                                        Yup.. I just ran the K8S recipe on local storage and I have cluster..
                                        33c5284d-e187-44a8-985f-839ec90ab3d4-image.png

                                        debian@master:~$ kubectl get node
                                        NAME     STATUS   ROLES           AGE     VERSION
                                        master   Ready    control-plane   20m     v1.26.3
                                        node-1   Ready    <none>          5m24s   v1.26.3
                                        node-2   Ready    <none>          7m32s   v1.26.3
                                        node-3   Ready    <none>          4m18s   v1.26.3
                                        

                                        Issue seem to be with the XOSTOR SR. Any chance @ronan-a could test if the K8S recipe work on his XOSTOR SR? I just want to know if it is specific to my setup or XOSTOR in general (bug)

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                                        • F fred974 referenced this topic on
                                        • olivierlambertO Offline
                                          olivierlambert Vates 🪐 Co-Founder CEO
                                          last edited by

                                          I think it's totally unrelated. If you have issues to create the XO Hub Debian 11 VM, nothing else could work after that.

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                                          • F Offline
                                            fred974 @olivierlambert
                                            last edited by fred974

                                            @olivierlambert said in Kubernetes cluster recipes not seeing nodes:

                                            If you have issues to create the XO Hub Debian 11 VM, nothing else could work after that.

                                            What do you mean? I can create XO Hub Debian 11 on XOSTOR with no issue. I am not sure I understand you ?

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