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Merge pull request #282 from pohly/single-pod-deployments
single pod deployments
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‎deploy/kubernetes-1.18-test/README.md‎

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The deployment for Kubernetes 1.18 uses CSIDriver v1 and
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thus is incompatible with Kubernetes < 1.18.
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It uses separate pods and service accounts for each sidecar. This is
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not how they would normally be deployed. It gets done this way to test
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that the individual RBAC rules are correct.

‎deploy/kubernetes-1.18-test/deploy.sh‎

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../util/deploy-hostpath.sh

‎deploy/kubernetes-1.18-test/destroy.sh‎

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../util/destroy-hostpath.sh

deploy/kubernetes-1.18/hostpath/csi-hostpath-attacher.yaml renamed to deploy/kubernetes-1.18-test/hostpath/csi-hostpath-attacher.yaml

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‎deploy/kubernetes-1.18-test/hostpath/csi-hostpath-driverinfo.yaml‎

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apiVersion: storage.k8s.io/v1
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kind: CSIDriver
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metadata:
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name: hostpath.csi.k8s.io
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labels:
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app.kubernetes.io/instance: hostpath.csi.k8s.io
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app.kubernetes.io/part-of: csi-driver-host-path
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app.kubernetes.io/name: hostpath.csi.k8s.io
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app.kubernetes.io/component: csi-driver
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spec:
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# Supports persistent and ephemeral inline volumes.
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volumeLifecycleModes:
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- Persistent
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- Ephemeral
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# To determine at runtime which mode a volume uses, pod info and its
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# "csi.storage.k8s.io/ephemeral" entry are needed.
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podInfoOnMount: true

‎deploy/kubernetes-1.18-test/hostpath/csi-hostpath-plugin.yaml‎

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kind: StatefulSet
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apiVersion: apps/v1
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metadata:
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name: csi-hostpathplugin
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labels:
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app.kubernetes.io/instance: hostpath.csi.k8s.io
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app.kubernetes.io/part-of: csi-driver-host-path
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app.kubernetes.io/name: csi-hostpathplugin
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app.kubernetes.io/component: plugin
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spec:
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serviceName: "csi-hostpathplugin"
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# One replica only:
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# Host path driver only works when everything runs
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# on a single node. We achieve that by starting it once and then
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# co-locate all other pods via inter-pod affinity
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replicas: 1
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selector:
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matchLabels:
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app.kubernetes.io/instance: hostpath.csi.k8s.io
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app.kubernetes.io/part-of: csi-driver-host-path
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app.kubernetes.io/name: csi-hostpathplugin
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app.kubernetes.io/component: plugin
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template:
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metadata:
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labels:
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app.kubernetes.io/instance: hostpath.csi.k8s.io
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app.kubernetes.io/part-of: csi-driver-host-path
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app.kubernetes.io/name: csi-hostpathplugin
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app.kubernetes.io/component: plugin
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spec:
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serviceAccountName: csi-external-health-monitor-controller
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containers:
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- name: hostpath
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image: k8s.gcr.io/sig-storage/hostpathplugin:v1.6.2
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args:
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- "--drivername=hostpath.csi.k8s.io"
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- "--v=5"
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- "--endpoint=$(CSI_ENDPOINT)"
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- "--nodeid=$(KUBE_NODE_NAME)"
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env:
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- name: CSI_ENDPOINT
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value: unix:///csi/csi.sock
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- name: KUBE_NODE_NAME
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valueFrom:
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fieldRef:
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apiVersion: v1
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fieldPath: spec.nodeName
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securityContext:
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privileged: true
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ports:
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- containerPort: 9898
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name: healthz
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protocol: TCP
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livenessProbe:
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failureThreshold: 5
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httpGet:
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path: /healthz
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port: healthz
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initialDelaySeconds: 10
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timeoutSeconds: 3
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periodSeconds: 2
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volumeMounts:
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- mountPath: /csi
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name: socket-dir
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- mountPath: /var/lib/kubelet/pods
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mountPropagation: Bidirectional
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name: mountpoint-dir
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- mountPath: /var/lib/kubelet/plugins
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mountPropagation: Bidirectional
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name: plugins-dir
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- mountPath: /csi-data-dir
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name: csi-data-dir
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- mountPath: /dev
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name: dev-dir
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- name: liveness-probe
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volumeMounts:
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- mountPath: /csi
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name: socket-dir
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image: k8s.gcr.io/sig-storage/livenessprobe:v2.2.0
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args:
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- --csi-address=/csi/csi.sock
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- --health-port=9898
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- name: csi-external-health-monitor-agent
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image: k8s.gcr.io/sig-storage/csi-external-health-monitor-agent:v0.2.0
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args:
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- "--v=5"
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- "--csi-address=$(ADDRESS)"
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env:
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- name: NODE_NAME
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valueFrom:
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fieldRef:
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fieldPath: spec.nodeName
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- name: ADDRESS
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value: /csi/csi.sock
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imagePullPolicy: "IfNotPresent"
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volumeMounts:
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- name: socket-dir
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mountPath: /csi
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- name: csi-external-health-monitor-controller
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image: k8s.gcr.io/sig-storage/csi-external-health-monitor-controller:v0.2.0
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args:
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- "--v=5"
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- "--csi-address=$(ADDRESS)"
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- "--leader-election"
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env:
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- name: ADDRESS
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value: /csi/csi.sock
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imagePullPolicy: "IfNotPresent"
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volumeMounts:
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- name: socket-dir
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mountPath: /csi
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- name: node-driver-registrar
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image: k8s.gcr.io/sig-storage/csi-node-driver-registrar:v2.0.1
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args:
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- --v=5
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- --csi-address=/csi/csi.sock
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- --kubelet-registration-path=/var/lib/kubelet/plugins/csi-hostpath/csi.sock
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securityContext:
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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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privileged: true
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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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apiVersion: v1
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fieldPath: spec.nodeName
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volumeMounts:
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- mountPath: /csi
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name: socket-dir
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- mountPath: /registration
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name: registration-dir
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- mountPath: /csi-data-dir
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name: csi-data-dir
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volumes:
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- hostPath:
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path: /var/lib/kubelet/plugins/csi-hostpath
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type: DirectoryOrCreate
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name: socket-dir
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- hostPath:
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path: /var/lib/kubelet/pods
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type: DirectoryOrCreate
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name: mountpoint-dir
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- hostPath:
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path: /var/lib/kubelet/plugins_registry
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type: Directory
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name: registration-dir
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- hostPath:
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path: /var/lib/kubelet/plugins
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type: Directory
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name: plugins-dir
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- hostPath:
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# 'path' is where PV data is persisted on host.
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# using /tmp is also possible while the PVs will not available after plugin container recreation or host reboot
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path: /var/lib/csi-hostpath-data/
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type: DirectoryOrCreate
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name: csi-data-dir
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- hostPath:
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path: /dev
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type: Directory
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name: dev-dir

deploy/kubernetes-1.18/hostpath/csi-hostpath-provisioner.yaml renamed to deploy/kubernetes-1.18-test/hostpath/csi-hostpath-provisioner.yaml

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deploy/kubernetes-1.18/hostpath/csi-hostpath-resizer.yaml renamed to deploy/kubernetes-1.18-test/hostpath/csi-hostpath-resizer.yaml

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deploy/kubernetes-1.18/snapshotter/csi-hostpath-snapshotclass.yaml renamed to deploy/kubernetes-1.18-test/hostpath/csi-hostpath-snapshotclass.yaml

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deploy/kubernetes-1.18/hostpath/csi-hostpath-snapshotter.yaml renamed to deploy/kubernetes-1.18-test/hostpath/csi-hostpath-snapshotter.yaml

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