Unable to upgrade aks - hci to new version 1.27.1

Akash Sharma 20

I am unable to upgrade arc AKS from version 1.26.3 to v1.27.1
Getting error -

az aksarc upgrade --name "test-aks4" --resource-group "rcc_eap" --kubernetes-version "1.27.1"
Upgrading the AKSArc cluster. This operation might take a while...

2024-03-19 06:20:24.099483 Error: BadRequest

Detail: admission webhook "vhybridakscluster.kb.io" denied the request: Kubernetes version 1.27.1 is not ready for use on Linux

anrodrigues-MSFT 0 Reputation points Microsoft Employee

2024-03-19T14:57:50.76+00:00

Hello @akash sharma
Thank you for reaching out to the Microsoft Q&A platform.

The version you are trying may not be available, please check with command "az aksarc get-versions" the available versions for your case scenario.

If you have any questions, please drop a comment by tagging my userid @anrodrigues-MSFT
If this does answer your question, please accept it as the answer as a token of appreciation.

Akash Sharma 20

Hello @anrodrigues-MSFT

here is the output, There have version available.

{

"extendedLocation": {

"name": "/subscriptions/*****/resourceGroups/****/providers/Microsoft.ExtendedLocation/customLocations/***-custloc",

"type": "CustomLocation"

"id": "/subscriptions/*****/resourceGroups/*/providers/Microsoft.ExtendedLocation/customLocations/-custloc/providers/Microsoft.HybridContainerService/kubernetesVersions/default",

"name": "default",

"properties": {

"provisioningState": "Succeeded",

"values": [

  {

    "isPreview": false,

    "patchVersions": {

      "1.26.3": {

        "readiness": [

          {

            "errorMessage": null,

            "osSku": "CBLMariner",

            "osType": "Linux",

            "ready": true

          },

          {

            "errorMessage": null,

            "osSku": "Windows2019",

            "osType": "Windows",

            "ready": true

          },

          {

            "errorMessage": null,

            "osSku": "Windows2022",

            "osType": "Windows",

            "ready": true

          }

        ],

        "upgrades": [

          "1.27.1",

          "1.27.3"

        ]

      },

      "1.26.6": {

        "readiness": [

          {

            "errorMessage": "CBLMariner Linux variant missing",

            "osSku": "CBLMariner",

            "osType": "Linux",

            "ready": false

          },

          {

            "errorMessage": "Windows2019 Windows variant missing",

            "osSku": "Windows2019",

            "osType": "Windows",

            "ready": false

          },

          {

            "errorMessage": null,

            "osSku": "Windows2022",

            "osType": "Windows",

            "ready": true

          }

        ],

        "upgrades": [

          "1.27.1",

          "1.27.3"

        ]

      }

    },

    "version": "1.26"

  },

  {

    "isPreview": false,

    "patchVersions": {

      "1.27.1": {

        "readiness": [

          {

            "errorMessage": null,

            "osSku": "CBLMariner",

            "osType": "Linux",

            "ready": true

          },

          {

            "errorMessage": null,

            "osSku": "Windows2019",

            "osType": "Windows",

            "ready": true

          },

          {

            "errorMessage": null,

            "osSku": "Windows2022",

            "osType": "Windows",

            "ready": true

          }

        ],

        "upgrades": [

          "1.27.3"

        ]

      },

      "1.27.3": {

        "readiness": [

          {

            "errorMessage": null,

            "osSku": "CBLMariner",

            "osType": "Linux",

            "ready": true

          },

          {

            "errorMessage": null,

            "osSku": "Windows2019",

            "osType": "Windows",

            "ready": true

          },

          {

            "errorMessage": null,

            "osSku": "Windows2022",

            "osType": "Windows",

            "ready": true

          }

        ],

        "upgrades": null

      }

    },

    "version": "1.27"

  },

  {

    "isPreview": false,

    "patchVersions": {

      "1.25.11": {

        "readiness": [

          {

            "errorMessage": null,

            "osSku": "CBLMariner",

            "osType": "Linux",

            "ready": true

          },

          {

            "errorMessage": null,

            "osSku": "Windows2019",

            "osType": "Windows",

            "ready": true

          },

          {

            "errorMessage": null,

            "osSku": "Windows2022",

            "osType": "Windows",

            "ready": true

          }

        ],

        "upgrades": [

          "1.26.3"

        ]

      },

      "1.25.6": {

        "readiness": [

          {

            "errorMessage": null,

            "osSku": "CBLMariner",

            "osType": "Linux",

            "ready": true

          },

          {

            "errorMessage": "Windows2019 Windows variant missing",

            "osSku": "Windows2019",

            "osType": "Windows",

            "ready": false

          },

          {

            "errorMessage": null,

            "osSku": "Windows2022",

            "osType": "Windows",

            "ready": true

          }

        ],

        "upgrades": [

          "1.25.11",

          "1.26.3"

        ]

      }

    },

    "version": "1.25"

  }

]

"resourceGroup": "****",

"systemData": {

"createdAt": "2024-01-31T13:01:40.728573+00:00",

"createdBy": "*****",

"createdByType": "User",

"lastModifiedAt": "2024-02-02T00:15:51.784094+00:00",

"lastModifiedBy": "319f651f-7ddb-4fc6-9857-7aef9250bd05",

"lastModifiedByType": "Application"

"type": "microsoft.hybridcontainerservice/kubernetesversions"

2 answers

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Prrudram-MSFT 22,211 Reputation points

2024-04-05T03:58:52.6366667+00:00

Hello @Akash Sharma
Thank you for reaching out to the Microsoft Q&A platform.

The error message you are seeing indicates that the Kubernetes version 1.27.1 is not yet ready for use on Linux. This means that the upgrade to version 1.27.1 is not currently supported for AKS Arc clusters running on Linux nodes.

To resolve this issue, you can try upgrading to a different version of Kubernetes that is supported on Linux nodes. You can check the list of supported Kubernetes versions for AKS Arc clusters on the Microsoft documentation website.

Alternatively, you can try upgrading your AKS Arc cluster to a newer version of AKS Arc that supports Kubernetes version 1.27.1 on Linux nodes. You can check the release notes for AKS Arc to see which versions support Kubernetes version 1.27.1 on Linux nodes.

I hope this helps! Let me know if you have any further questions.

If I have answered your query, please click "Accept as answer" as a token of appreciation
Please sign in to rate this answer.

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