Add deployment without external-attacher and with CSIDriver

deploy/kubernetes-1.15-no-attacher/README.md

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+The deployment for Kubernetes 1.15 uses CSI 1.0 and thus is
+incompatible with Kubernetes < 1.13.
+
+The sidecars depend on 1.15 API changes for migration and resizing,
+and 1.14 API changes for CSIDriver and CSINode.
+
+This deployment does not use external-attacher sidecar, it creates
+CSIDriver instance that tells Kubernetes not to use attach
+(ControllerPublishVolume) at all.

deploy/kubernetes-1.15-no-attacher/deploy-hostpath.sh

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+../util/deploy-hostpath-no-attacher.sh

deploy/kubernetes-1.15-no-attacher/hostpath/csi-hostpath-csidriver.yaml

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+apiVersion: storage.k8s.io/v1beta1
+kind: CSIDriver
+metadata:
+  name: hostpath.csi.k8s.io
+spec:
+  attachRequired: false
+  podInfoOnMount: false

deploy/kubernetes-1.15-no-attacher/hostpath/csi-hostpath-plugin.yaml

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+# Service defined here, plus serviceName below in StatefulSet,
+# are needed only because of condition explained in
+# https://github.com/kubernetes/kubernetes/issues/69608
+
+kind: Service
+apiVersion: v1
+metadata:
+  name: csi-hostpathplugin
+  labels:
+    app: csi-hostpathplugin
+spec:
+  selector:
+    app: csi-hostpathplugin
+  ports:
+    - name: dummy
+      port: 12345
+---
+kind: StatefulSet
+apiVersion: apps/v1
+metadata:
+  name: csi-hostpathplugin
+spec:
+  serviceName: "csi-hostpathplugin"
+  # One replica only:
+  # Host path driver only works when everything runs
+  # on a single node. We achieve that by starting it once and then
+  # co-locate all other pods via inter-pod affinity
+  replicas: 1
+  selector:
+    matchLabels:
+      app: csi-hostpathplugin
+  template:
+    metadata:
+      labels:
+        app: csi-hostpathplugin
+    spec:
+      hostNetwork: true
+      containers:
+        - name: node-driver-registrar
+          image: quay.io/k8scsi/csi-node-driver-registrar:v1.1.0
+          lifecycle:
+            preStop:
+              exec:
+                command: ["/bin/sh", "-c", "rm -rf /registration/csi-hostpath /registration/csi-hostpath-reg.sock"]
+          args:
+            - --v=5
+            - --csi-address=/csi/csi.sock
+            - --kubelet-registration-path=/var/lib/kubelet/plugins/csi-hostpath/csi.sock
+          securityContext:
+            privileged: true
+          env:
+            - name: KUBE_NODE_NAME
+              valueFrom:
+                fieldRef:
+                  apiVersion: v1
+                  fieldPath: spec.nodeName
+          volumeMounts:
+          - mountPath: /csi
+            name: socket-dir
+          - mountPath: /registration
+            name: registration-dir
+          - mountPath: /csi-data-dir
+            name: csi-data-dir
+
+        - name: hostpath
+          image: quay.io/k8scsi/hostpathplugin:v1.1.0
+          args:
+            - "--drivername=hostpath.csi.k8s.io"
+            - "--v=5"
+            - "--endpoint=$(CSI_ENDPOINT)"
+            - "--nodeid=$(KUBE_NODE_NAME)"
+          env:
+            - name: CSI_ENDPOINT
+              value: unix:///csi/csi.sock
+            - name: KUBE_NODE_NAME
+              valueFrom:
+                fieldRef:
+                  apiVersion: v1
+                  fieldPath: spec.nodeName
+          securityContext:
+            privileged: true
+          ports:
+          - containerPort: 9898
+            name: healthz
+            protocol: TCP
+          livenessProbe:
+            failureThreshold: 5
+            httpGet:
+              path: /healthz
+              port: healthz
+            initialDelaySeconds: 10
+            timeoutSeconds: 3
+            periodSeconds: 2
+          volumeMounts:
+            - mountPath: /csi
+              name: socket-dir
+            - mountPath: /var/lib/kubelet/pods
+              mountPropagation: Bidirectional
+              name: mountpoint-dir
+            - mountPath: /var/lib/kubelet/plugins
+              mountPropagation: Bidirectional
+              name: plugins-dir
+            - mountPath: /csi-data-dir
+              name: csi-data-dir
+
+        - name: liveness-probe
+          volumeMounts:
+          - mountPath: /csi
+            name: socket-dir
+          image: quay.io/k8scsi/livenessprobe:v1.1.0
+          args:
+          - --csi-address=/csi/csi.sock
+          - --connection-timeout=3s
+          - --health-port=9898
+
+      volumes:
+        - hostPath:
+            path: /var/lib/kubelet/plugins/csi-hostpath
+            type: DirectoryOrCreate
+          name: socket-dir
+        - hostPath:
+            path: /var/lib/kubelet/pods
+            type: DirectoryOrCreate
+          name: mountpoint-dir
+        - hostPath:
+            path: /var/lib/kubelet/plugins_registry
+            type: Directory
+          name: registration-dir
+        - hostPath:
+            path: /var/lib/kubelet/plugins
+            type: Directory
+          name: plugins-dir
+        - hostPath:
+            # 'path' is where PV data is persisted on host.
+            # using /tmp is also possible while the PVs will not available after plugin container recreation or host reboot
+            path: /var/lib/csi-hostpath-data/
+            type: DirectoryOrCreate
+          name: csi-data-dir

deploy/kubernetes-1.15-no-attacher/hostpath/csi-hostpath-provisioner.yaml

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+kind: Service
+apiVersion: v1
+metadata:
+  name: csi-hostpath-provisioner 
+  labels:
+    app: csi-hostpath-provisioner 
+spec:
+  selector:
+    app: csi-hostpath-provisioner 
+  ports:
+    - name: dummy
+      port: 12345
+
+---
+kind: StatefulSet
+apiVersion: apps/v1
+metadata:
+  name: csi-hostpath-provisioner
+spec:
+  serviceName: "csi-hostpath-provisioner"
+  replicas: 1
+  selector:
+    matchLabels:
+      app: csi-hostpath-provisioner
+  template:
+    metadata:
+      labels:
+        app: csi-hostpath-provisioner
+    spec:
+      affinity:
+        podAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+          - labelSelector:
+              matchExpressions:
+              - key: app
+                operator: In
+                values:
+                - csi-hostpathplugin
+            topologyKey: kubernetes.io/hostname
+      serviceAccountName: csi-provisioner
+      containers:
+        - name: csi-provisioner
+          image: quay.io/k8scsi/csi-provisioner:v1.3.0
+          args:
+            - -v=5
+            - --csi-address=/csi/csi.sock
+            - --connection-timeout=15s
+          volumeMounts:
+            - mountPath: /csi
+              name: socket-dir
+      volumes:
+        - hostPath:
+            path: /var/lib/kubelet/plugins/csi-hostpath
+            type: DirectoryOrCreate
+          name: socket-dir

deploy/kubernetes-1.15-no-attacher/hostpath/csi-hostpath-snapshotter.yaml

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+kind: Service
+apiVersion: v1
+metadata:
+  name: csi-hostpath-snapshotter
+  labels:
+    app: csi-hostpath-snapshotter
+spec:
+  selector:
+    app: csi-hostpath-snapshotter
+  ports:
+    - name: dummy
+      port: 12345
+
+---
+kind: StatefulSet
+apiVersion: apps/v1
+metadata:
+  name: csi-hostpath-snapshotter
+spec:
+  serviceName: "csi-hostpath-snapshotter"
+  replicas: 1
+  selector:
+    matchLabels:
+      app: csi-hostpath-snapshotter
+  template:
+    metadata:
+      labels:
+        app: csi-hostpath-snapshotter
+    spec:
+      affinity:
+        podAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+          - labelSelector:
+              matchExpressions:
+              - key: app
+                operator: In
+                values:
+                - csi-hostpathplugin
+            topologyKey: kubernetes.io/hostname
+      serviceAccount: csi-snapshotter
+      containers:
+        - name: csi-snapshotter
+          image: quay.io/k8scsi/csi-snapshotter:v1.2.0
+          args:
+            - -v=5
+            - --csi-address=/csi/csi.sock
+            - --connection-timeout=15s
+          volumeMounts:
+            - mountPath: /csi
+              name: socket-dir
+      volumes:
+        - hostPath:
+            path: /var/lib/kubelet/plugins/csi-hostpath
+            type: DirectoryOrCreate
+          name: socket-dir

deploy/kubernetes-1.15-no-attacher/hostpath/csi-hostpath-testing.yaml

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+# WARNING: this is only for testing purposes. Do not install in a production
+# cluster.
+#
+# This exposes the hostpath's Unix domain csi.sock as a TCP port to the
+# outside world. The mapping from Unix domain socket to TCP is done
+# by socat.
+#
+# This is useful for testing with csi-sanity or csc.
+
+apiVersion: v1
+kind: Service
+metadata:
+  name: hostpath-service
+spec:
+  type: NodePort
+  selector:
+    app: csi-hostpath-socat
+  ports:
+  - port: 10000 # fixed port inside the pod, dynamically allocated port outside
+---
+kind: StatefulSet
+apiVersion: apps/v1
+metadata:
+  name: csi-hostpath-socat
+spec:
+  serviceName: "csi-hostpath-socat"
+  replicas: 1
+  selector:
+    matchLabels:
+      app: csi-hostpath-socat
+  template:
+    metadata:
+      labels:
+        app: csi-hostpath-socat
+    spec:
+      affinity:
+        podAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+          - labelSelector:
+              matchExpressions:
+              - key: app
+                operator: In
+                values:
+                - csi-hostpathplugin
+            topologyKey: kubernetes.io/hostname
+      containers:
+        - name: socat
+          image: alpine/socat:1.0.3
+          args:
+            - tcp-listen:10000,fork,reuseaddr
+            - unix-connect:/csi/csi.sock
+          volumeMounts:
+          - mountPath: /csi
+            name: socket-dir
+      volumes:
+        - hostPath:
+            path: /var/lib/kubelet/plugins/csi-hostpath
+            type: DirectoryOrCreate
+          name: socket-dir

deploy/kubernetes-1.15-no-attacher/snapshotter/csi-hostpath-snapshotclass.yaml

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+apiVersion: snapshot.storage.k8s.io/v1alpha1
+kind: VolumeSnapshotClass
+metadata:
+  name: csi-hostpath-snapclass
+snapshotter: hostpath.csi.k8s.io