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helm: add option to enable read affinity for rbd
This commit adds --enable-read-affinity flag to enable read affinity for rbd Signed-off-by: Praveen M <m.praveen@ibm.com>
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@ -176,6 +176,8 @@ charts and their default values.
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| `provisioner.podSecurityPolicy.enabled` | Specifies whether podSecurityPolicy is enabled | `false` |
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| `topology.enabled` | Specifies whether topology based provisioning support should be exposed by CSI | `false` |
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| `topology.domainLabels` | DomainLabels define which node labels to use as domains for CSI nodeplugins to advertise their domains | `{}` |
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| `readAffinity.enabled` | Enable read affinity for RBD volumes. Recommended to set to true if running kernel 5.8 or newer. | `false` |
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| `readAffinity.crushLocationLabels` | Define which node labels to use as CRUSH location. This should correspond to the values set in the CRUSH map. For more information, click [here](https://github.com/ceph/ceph-csi/blob/v3.9.0/docs/deploy-rbd.md#read-affinity-using-crush-locations-for-rbd-volumes)| `[]` |
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| `provisionerSocketFile` | The filename of the provisioner socket | `csi-provisioner.sock` |
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| `pluginSocketFile` | The filename of the plugin socket | `csi.sock` |
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| `kubeletDir` | kubelet working directory | `/var/lib/kubelet` |
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@ -86,6 +86,10 @@ spec:
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{{- end }}
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{{- if .Values.nodeplugin.profiling.enabled }}
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- "--enableprofiling={{ .Values.nodeplugin.profiling.enabled }}"
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{{- end }}
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- "--enable-read-affinity={{ .Values.readAffinity.enabled }}"
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{{- if .Values.readAffinity.enabled }}
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- "--crush-location-labels={{ .Values.readAffinity.crushLocationLabels | join "," }}"
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{{- end }}
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env:
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- name: POD_IP
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@ -279,6 +279,17 @@ topology:
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- failure-domain/region
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- failure-domain/zone
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readAffinity:
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# Enable read affinity for RBD volumes. Recommended to
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# set to true if running kernel 5.8 or newer.
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enabled: false
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# Define which node labels to use as CRUSH location.
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# This should correspond to the values set in the CRUSH map.
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# NOTE: the value here serves as an example
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crushLocationLabels:
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- topology.kubernetes.io/region
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- topology.kubernetes.io/zone
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storageClass:
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# Specifies whether the storageclass should be created
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create: false
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@ -179,7 +179,7 @@ install_cephcsi_helm_charts() {
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kubectl_retry delete cm ceph-config --namespace "${NAMESPACE}"
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# shellcheck disable=SC2086
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"${HELM}" install --namespace ${NAMESPACE} --set provisioner.fullnameOverride=csi-rbdplugin-provisioner --set nodeplugin.fullnameOverride=csi-rbdplugin --set configMapName=ceph-csi-config --set provisioner.replicaCount=1 --set-json='commonLabels={"app.kubernetes.io/name": "ceph-csi-rbd", "app.kubernetes.io/managed-by": "helm"}' ${SET_SC_TEMPLATE_VALUES} ${RBD_SECRET_TEMPLATE_VALUES} ${RBD_CHART_NAME} "${SCRIPT_DIR}"/../charts/ceph-csi-rbd --set topology.enabled=true --set topology.domainLabels="{${NODE_LABEL_REGION},${NODE_LABEL_ZONE}}" --set provisioner.maxSnapshotsOnImage=3 --set provisioner.minSnapshotsOnImage=2
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"${HELM}" install --namespace ${NAMESPACE} --set provisioner.fullnameOverride=csi-rbdplugin-provisioner --set nodeplugin.fullnameOverride=csi-rbdplugin --set configMapName=ceph-csi-config --set provisioner.replicaCount=1 --set-json='commonLabels={"app.kubernetes.io/name": "ceph-csi-rbd", "app.kubernetes.io/managed-by": "helm"}' ${SET_SC_TEMPLATE_VALUES} ${RBD_SECRET_TEMPLATE_VALUES} ${RBD_CHART_NAME} "${SCRIPT_DIR}"/../charts/ceph-csi-rbd --set topology.enabled=true --set topology.domainLabels="{${NODE_LABEL_REGION},${NODE_LABEL_ZONE}}" --set provisioner.maxSnapshotsOnImage=3 --set provisioner.minSnapshotsOnImage=2 --set readAffinity.enabled=true
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check_deployment_status app=ceph-csi-rbd "${NAMESPACE}"
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check_daemonset_status app=ceph-csi-rbd "${NAMESPACE}"
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