mirror of
https://github.com/ceph/ceph-csi.git
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059969b10b
When running the kubernetes cluster with one single privileged
PodSecurityPolicy which is allowing everything the nodeplugin
daemonset can fail to start. To be precise the problem is the
defaultAllowPrivilegeEscalation: false configuration in the PSP.
Containers of the nodeplugin daemonset won't start when they
have privileged: true but no allowPrivilegeEscalation in their
container securityContext.
Kubernetes will not schedule if this mismatch exists cannot set
allowPrivilegeEscalation to false and privileged to true
Signed-off-by: Silvan Loser <silvan.loser@hotmail.ch>
Signed-off-by: Silvan Loser <33911078+losil@users.noreply.github.com>
(cherry picked from commit 06c4477ff9)
248 lines
8.8 KiB
YAML
248 lines
8.8 KiB
YAML
kind: DaemonSet
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apiVersion: apps/v1
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metadata:
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name: {{ include "ceph-csi-rbd.nodeplugin.fullname" . }}
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namespace: {{ .Release.Namespace }}
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labels:
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app: {{ include "ceph-csi-rbd.name" . }}
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chart: {{ include "ceph-csi-rbd.chart" . }}
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component: {{ .Values.nodeplugin.name }}
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release: {{ .Release.Name }}
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heritage: {{ .Release.Service }}
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spec:
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selector:
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matchLabels:
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app: {{ include "ceph-csi-rbd.name" . }}
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component: {{ .Values.nodeplugin.name }}
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release: {{ .Release.Name }}
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updateStrategy:
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type: {{ .Values.nodeplugin.updateStrategy }}
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template:
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metadata:
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labels:
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app: {{ include "ceph-csi-rbd.name" . }}
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chart: {{ include "ceph-csi-rbd.chart" . }}
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component: {{ .Values.nodeplugin.name }}
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release: {{ .Release.Name }}
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heritage: {{ .Release.Service }}
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spec:
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serviceAccountName: {{ include "ceph-csi-rbd.serviceAccountName.nodeplugin" . }}
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hostNetwork: true
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hostPID: true
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{{- if .Values.nodeplugin.priorityClassName }}
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priorityClassName: {{ .Values.nodeplugin.priorityClassName }}
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{{- end }}
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# to use e.g. Rook orchestrated cluster, and mons' FQDN is
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# resolved through k8s service, set dns policy to cluster first
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dnsPolicy: ClusterFirstWithHostNet
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containers:
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- name: driver-registrar
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# This is necessary only for systems with SELinux, where
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# non-privileged sidecar containers cannot access unix domain socket
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# created by privileged CSI driver container.
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securityContext:
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privileged: true
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allowPrivilegeEscalation: true
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image: "{{ .Values.nodeplugin.registrar.image.repository }}:{{ .Values.nodeplugin.registrar.image.tag }}"
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imagePullPolicy: {{ .Values.nodeplugin.registrar.image.pullPolicy }}
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args:
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- "--v={{ .Values.logLevel }}"
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- "--csi-address=/csi/{{ .Values.pluginSocketFile }}"
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- "--kubelet-registration-path={{ .Values.kubeletDir }}/plugins/{{ .Values.driverName }}/{{ .Values.pluginSocketFile }}"
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env:
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- name: KUBE_NODE_NAME
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valueFrom:
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fieldRef:
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fieldPath: spec.nodeName
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volumeMounts:
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- name: socket-dir
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mountPath: /csi
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- name: registration-dir
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mountPath: /registration
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resources:
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{{ toYaml .Values.nodeplugin.registrar.resources | indent 12 }}
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- name: csi-rbdplugin
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image: "{{ .Values.nodeplugin.plugin.image.repository }}:{{ .Values.nodeplugin.plugin.image.tag }}"
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imagePullPolicy: {{ .Values.nodeplugin.plugin.image.pullPolicy }}
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args:
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- "--nodeid=$(NODE_ID)"
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- "--pluginpath={{ .Values.kubeletDir }}/plugins"
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- "--stagingpath={{ .Values.kubeletDir }}/plugins/kubernetes.io/csi/pv/"
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- "--type=rbd"
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- "--nodeserver=true"
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- "--pidlimit=-1"
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- "--endpoint=$(CSI_ENDPOINT)"
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- "--csi-addons-endpoint=$(CSI_ADDONS_ENDPOINT)"
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- "--v={{ .Values.logLevel }}"
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- "--drivername=$(DRIVER_NAME)"
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{{- if .Values.topology.enabled }}
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- "--domainlabels={{ .Values.topology.domainLabels | join "," }}"
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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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env:
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- name: POD_IP
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valueFrom:
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fieldRef:
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fieldPath: status.podIP
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- name: DRIVER_NAME
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value: {{ .Values.driverName }}
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- name: NODE_ID
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valueFrom:
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fieldRef:
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fieldPath: spec.nodeName
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- name: CSI_ENDPOINT
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value: "unix:///csi/{{ .Values.pluginSocketFile }}"
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- name: CSI_ADDONS_ENDPOINT
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value: "unix:///csi/csi-addons.sock"
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securityContext:
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privileged: true
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capabilities:
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add: ["SYS_ADMIN"]
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allowPrivilegeEscalation: true
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volumeMounts:
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- name: socket-dir
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mountPath: /csi
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- mountPath: /dev
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name: host-dev
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- mountPath: /run/mount
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name: host-mount
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- mountPath: /sys
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name: host-sys
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{{- if .Values.selinuxMount }}
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- mountPath: /etc/selinux
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name: etc-selinux
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readOnly: true
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{{- end }}
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- mountPath: /lib/modules
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name: lib-modules
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readOnly: true
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- name: ceph-csi-config
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mountPath: /etc/ceph-csi-config/
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- name: ceph-config
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mountPath: /etc/ceph/
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- name: ceph-csi-encryption-kms-config
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mountPath: /etc/ceph-csi-encryption-kms-config/
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- name: plugin-dir
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mountPath: {{ .Values.kubeletDir }}/plugins
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mountPropagation: "Bidirectional"
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- name: mountpoint-dir
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mountPath: {{ .Values.kubeletDir }}/pods
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mountPropagation: "Bidirectional"
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- name: keys-tmp-dir
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mountPath: /tmp/csi/keys
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- name: ceph-logdir
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mountPath: /var/log/ceph
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- name: oidc-token
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mountPath: /run/secrets/tokens
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readOnly: true
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resources:
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{{ toYaml .Values.nodeplugin.plugin.resources | indent 12 }}
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{{- if .Values.nodeplugin.httpMetrics.enabled }}
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- name: liveness-prometheus
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securityContext:
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privileged: true
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allowPrivilegeEscalation: true
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image: "{{ .Values.nodeplugin.plugin.image.repository }}:{{ .Values.nodeplugin.plugin.image.tag }}"
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imagePullPolicy: {{ .Values.nodeplugin.plugin.image.pullPolicy }}
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args:
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- "--type=liveness"
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- "--endpoint=$(CSI_ENDPOINT)"
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- "--metricsport={{ .Values.nodeplugin.httpMetrics.containerPort }}"
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- "--metricspath=/metrics"
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- "--polltime=60s"
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- "--timeout=3s"
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env:
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- name: CSI_ENDPOINT
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value: "unix:///csi/{{ .Values.pluginSocketFile }}"
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- name: POD_IP
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valueFrom:
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fieldRef:
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fieldPath: status.podIP
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ports:
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- containerPort: {{ .Values.nodeplugin.httpMetrics.containerPort }}
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name: metrics
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protocol: TCP
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volumeMounts:
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- name: socket-dir
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mountPath: /csi
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resources:
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{{ toYaml .Values.nodeplugin.plugin.resources | indent 12 }}
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{{- end }}
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volumes:
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- name: socket-dir
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hostPath:
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path: "{{ .Values.kubeletDir }}/plugins/{{ .Values.driverName }}"
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type: DirectoryOrCreate
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- name: registration-dir
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hostPath:
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path: {{ .Values.kubeletDir }}/plugins_registry
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type: Directory
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- name: plugin-dir
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hostPath:
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path: {{ .Values.kubeletDir }}/plugins
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type: Directory
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- name: mountpoint-dir
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hostPath:
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path: {{ .Values.kubeletDir }}/pods
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type: DirectoryOrCreate
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- name: ceph-logdir
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hostPath:
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path: {{ .Values.cephLogDirHostPath }}
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type: DirectoryOrCreate
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- name: host-dev
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hostPath:
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path: /dev
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- name: host-mount
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hostPath:
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path: /run/mount
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- name: host-sys
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hostPath:
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path: /sys
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{{- if .Values.selinuxMount }}
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- name: etc-selinux
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hostPath:
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path: /etc/selinux
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{{- end }}
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- name: lib-modules
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hostPath:
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path: /lib/modules
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- name: ceph-config
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configMap:
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name: {{ .Values.cephConfConfigMapName | quote }}
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- name: ceph-csi-config
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configMap:
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name: {{ .Values.configMapName | quote }}
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{{- if .Values.configMapKey }}
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items:
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- key: {{ .Values.configMapKey | quote }}
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path: config.json
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{{- end }}
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- name: ceph-csi-encryption-kms-config
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configMap:
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name: {{ .Values.kmsConfigMapName | quote }}
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- name: keys-tmp-dir
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emptyDir: {
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medium: "Memory"
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}
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- name: oidc-token
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projected:
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sources:
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- serviceAccountToken:
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path: oidc-token
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expirationSeconds: 3600
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audience: ceph-csi-kms
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{{- if .Values.nodeplugin.affinity }}
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affinity:
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{{ toYaml .Values.nodeplugin.affinity | indent 8 -}}
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{{- end -}}
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{{- if .Values.nodeplugin.nodeSelector }}
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nodeSelector:
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{{ toYaml .Values.nodeplugin.nodeSelector | indent 8 -}}
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{{- end -}}
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{{- if .Values.nodeplugin.tolerations }}
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tolerations:
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{{ toYaml .Values.nodeplugin.tolerations | indent 8 -}}
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{{- end -}}
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