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  1. OpenShift Logging
  2. LOG-2895

Should add nodeSelector `kubernetes.io/os: linux` to Loki pods.

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      Before this update, pods created for deployments that Loki Operator created were mistakenly scheduled on nodes with non-Linux operating systems, if such nodes were available in the cluster the Operator was running in. With this update, the Operator attaches an additional node-selector to the pod definitions which only allows scheduling the pods on Linux-based nodes.
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      Before this update, pods created for deployments that Loki Operator created were mistakenly scheduled on nodes with non-Linux operating systems, if such nodes were available in the cluster the Operator was running in. With this update, the Operator attaches an additional node-selector to the pod definitions which only allows scheduling the pods on Linux-based nodes.
    • Log Storage - Sprint 223, Log Storage - Sprint 224

    Description

      Description of problem:

      Loki pods don't have nodeSelector `kubernetes.io/os: linux`, these pods can be scheduled to windows workers.

      Version-Release number of selected component (if applicable):

      loki-operator.v5.5.0

      How reproducible:

      Always

      Steps to Reproduce:
      1. deploy lokistack with:

      apiVersion: loki.grafana.com/v1beta1
kind: LokiStack
metadata:
  name: lokistack-sample
  namespace: openshift-logging
spec:
  managementState: Managed
  size: 1x.extra-small
  storage:
    secret:
      name: s3-secret
      type: s3
    tls:
      caName: odf-router-ca
  storageClassName: ocs-storagecluster-ceph-rbd
  tenants:
    mode: openshift-logging

      2. check loki pods
      3.

      Actual results:

      Expected results:

      Loki pods should be restricted to only deploy on linux workers. 

      Additional info: 

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            rojacob@redhat.com Robert Jacob
            qitang@redhat.com Qiaoling Tang
            Qiaoling Tang Qiaoling Tang
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            Dates

              Created:
              Updated:
              Resolved: