Introduce NFS server

Signed-off-by: Lukianov Artyom <[email protected]>

cluster/setup_nfs.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+#
+# This file is part of the KubeVirt project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Copyright 2017 Red Hat, Inc.
+#
+set -ex
+
+NFS_SHARE_DIR=/var/nfsshare
+
+yum install -y nfs-utils
+
+mkdir $NFS_SHARE_DIR
+mkdir $NFS_SHARE_DIR/cirros
+mkdir $NFS_SHARE_DIR/alpine
+chmod -R 755 $NFS_SHARE_DIR
+chown -R nfsnobody:nfsnobody $NFS_SHARE_DIR
+
+echo "$NFS_SHARE_DIR 192.168.0.0/16(rw,sync,no_root_squash,no_all_squash)" >>/etc/exports
+
+systemctl enable rpcbind nfs-server
+systemctl start rpcbind nfs-server
+
+# Fill NFS share with images
+curl \
+    https://download.cirros-cloud.net/0.4.0/cirros-0.4.0-x86_64-disk.img \
+    >$NFS_SHARE_DIR/cirros/disk.img
+
+curl \
+    http://dl-cdn.alpinelinux.org/alpine/v3.7/releases/x86_64/alpine-virt-3.7.0-x86_64.iso \
+    >$NFS_SHARE_DIR/alpine/disk.img

cluster/vm-pvc.yaml

@@ -0,0 +1,20 @@
+apiVersion: kubevirt.io/v1alpha1
+kind: VirtualMachine
+metadata:
+  name: vm-pvc
+spec:
+  terminationGracePeriodSeconds: 0
+  domain:
+    resources:
+      requests:
+        memory: 64M
+    devices:
+      disks:
+      - name: mydisk
+        volumeName: pvcvolume
+        disk:
+          dev: vda
+  volumes:
+    - name: pvcvolume
+      persistentVolumeClaim:
+        claimName: alpine-nfs-pvc

hack/config-default.sh

@@ -1,5 +1,5 @@
 binaries="cmd/virt-controller cmd/virt-launcher cmd/virt-handler cmd/virtctl cmd/fake-qemu-process"
-docker_images="cmd/virt-controller cmd/virt-launcher cmd/virt-handler images/iscsi-demo-target-tgtd images/vm-killer cmd/registry-disk-v1alpha images/cirros-registry-disk-demo images/fedora-cloud-registry-disk-demo images/alpine-registry-disk-demo"
+docker_images="cmd/virt-controller cmd/virt-launcher cmd/virt-handler images/iscsi-demo-target-tgtd images/vm-killer cmd/registry-disk-v1alpha images/cirros-registry-disk-demo images/fedora-cloud-registry-disk-demo images/alpine-registry-disk-demo images/nfs-server-demo"
 docker_prefix=kubevirt
 docker_tag=${DOCKER_TAG:-latest}
 master_ip=192.168.200.2

images/nfs-server-demo/Dockerfile

@@ -0,0 +1,44 @@
+#
+# This file is part of the KubeVirt project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Copyright 2017 Red Hat, Inc.
+#
+
+FROM alpine:latest
+
+MAINTAINER "The KubeVirt Project" <[email protected]>
+ENV container docker
+
+RUN apk add --no-cache nfs-utils
+
+ADD https://github.com/just-containers/s6-overlay/releases/download/v1.21.2.2/s6-overlay-amd64.tar.gz /tmp/
+RUN tar xzf /tmp/s6-overlay-amd64.tar.gz -C /
+
+COPY s6/config.init /etc/cont-init.d/00-config
+COPY s6/rpcbind.run /etc/services.d/rpcbind/run
+COPY s6/mountd.run /etc/services.d/mountd/run
+
+RUN mkdir -p /volumes/cirros \
+    && mkdir -p /volumes/alpine \
+    && chmod -R 777 /volumes \
+    && echo "/volumes *(rw,sync,no_root_squash,no_all_squash)" >> /etc/exports
+
+# Fill NFS share with images
+ADD https://download.cirros-cloud.net/0.4.0/cirros-0.4.0-x86_64-disk.img /volumes/cirros/disk.img
+ADD http://dl-cdn.alpinelinux.org/alpine/v3.7/releases/x86_64/alpine-virt-3.7.0-x86_64.iso /volumes/alpine/disk.img
+
+EXPOSE 111/tcp 111/udp 2049/tcp 2049/udp
+
+CMD ["/init"]

images/nfs-server-demo/s6/config.init

@@ -0,0 +1,3 @@
+#!/usr/bin/with-contenv sh
+
+exportfs -r

images/nfs-server-demo/s6/mountd.run

@@ -0,0 +1,5 @@
+#!/usr/bin/execlineb -P
+
+foreground { rpc.nfsd -N 2 -N 3 }
+
+rpc.mountd -F -N 2 -N 3

images/nfs-server-demo/s6/rpcbind.run

@@ -0,0 +1,3 @@
+#!/usr/bin/with-contenv sh
+
+rpcbind -f

manifests/testing/nfs-server-demo.yaml.in

@@ -0,0 +1,130 @@
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: alpine-nfs-pvc
+  labels:
+    kubevirt.io: ""
+spec:
+  storageClassName: ""
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 1Gi
+
+  selector:
+    matchLabels:
+      os: "alpine-nfs"
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: cirros-nfs-pvc
+  labels:
+    kubevirt.io: ""
+spec:
+  storageClassName: ""
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 1Gi
+  selector:
+    matchLabels:
+      os: "cirros-nfs"
+---
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: alpine-nfs-pv
+  labels:
+    kubevirt.io: ""
+    os: "alpine-nfs"
+spec:
+  capacity:
+    storage: 1Gi
+  accessModes:
+    - ReadWriteOnce
+  nfs:
+    path: /volumes/alpine
+    server: nfs-server-demo.kube-system.svc.cluster.local
+---
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: cirros-nfs-pv
+  labels:
+    kubevirt.io: ""
+    os: "cirros-nfs"
+spec:
+  capacity:
+    storage: 1Gi
+  accessModes:
+    - ReadWriteOnce
+  nfs:
+    path: /volumes/cirros
+    server: nfs-server-demo.kube-system.svc.cluster.local
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: nfs-server-demo
+  namespace: kube-system
+  labels:
+    kubevirt.io: ""
+spec:
+  ports:
+    - name: nfs-server-tcp
+      port: 2049
+      targetPort: 2049
+      protocol: TCP
+    - name: nfs-server-udp
+      port: 2049
+      targetPort: 2049
+      protocol: UDP
+    - name: rpcbind-tcp
+      port: 111
+      targetPort: 111
+      protocol: TCP
+    - name: rpcbind-udp
+      port: 111
+      targetPort: 111
+      protocol: UDP
+  selector:
+    kubevirt.io: nfs-server-demo
+---
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: nfs-server-demo
+  namespace: kube-system
+  labels:
+    kubevirt.io: "nfs-server-demo"
+spec:
+  template:
+    metadata:
+      labels:
+        name: nfs-server-demo
+        kubevirt.io: nfs-server-demo
+      name: nfs-server-demo
+    spec:
+      serviceAccountName: kubevirt-testing
+      containers:
+        - name: nfs-server
+          image: {{ docker_prefix }}/nfs-server-demo:{{ docker_tag }}
+          ports:
+            - containerPort: 111
+            - containerPort: 2049
+          volumeMounts:
+          - name: host
+            mountPath: /host
+          env:
+            - name: EXPORT_HOST_PATHS
+              value:
+          securityContext:
+            privileged: true
+      volumes:
+        - name: host
+          hostPath:
+            path: /