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Move nfs csi-driver to its own repo 'csi-driver-nfs'

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Signed-off-by: prateekpandey14 <prateekpandey14@gmail.com>
This commit is contained in:
prateekpandey14 2019-02-07 14:48:27 +05:30
parent 64d37cff27
commit d5b0215f63
14 changed files with 1586 additions and 13 deletions
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"kubernetes/typed/batch/v1beta1",
"kubernetes/typed/batch/v2alpha1",
"kubernetes/typed/certificates/v1beta1",
"kubernetes/typed/coordination/v1beta1",
"kubernetes/typed/core/v1",
"kubernetes/typed/events/v1beta1",
"kubernetes/typed/extensions/v1beta1",
"kubernetes/typed/networking/v1",
"kubernetes/typed/policy/v1beta1",
"kubernetes/typed/rbac/v1",
"kubernetes/typed/rbac/v1alpha1",
"kubernetes/typed/rbac/v1beta1",
"kubernetes/typed/scheduling/v1alpha1",
"kubernetes/typed/scheduling/v1beta1",
"kubernetes/typed/settings/v1alpha1",
"kubernetes/typed/storage/v1",
"kubernetes/typed/storage/v1alpha1",
"kubernetes/typed/storage/v1beta1",
"listers/admissionregistration/v1alpha1",
"listers/admissionregistration/v1beta1",
"listers/apps/v1",
"listers/apps/v1beta1",
"listers/apps/v1beta2",
"listers/autoscaling/v1",
"listers/autoscaling/v2beta1",
"listers/autoscaling/v2beta2",
"listers/batch/v1",
"listers/batch/v1beta1",
"listers/batch/v2alpha1",
"listers/certificates/v1beta1",
"listers/coordination/v1beta1",
"listers/core/v1",
"listers/events/v1beta1",
"listers/extensions/v1beta1",
"listers/networking/v1",
"listers/policy/v1beta1",
"listers/rbac/v1",
"listers/rbac/v1alpha1",
"listers/rbac/v1beta1",
"listers/scheduling/v1alpha1",
"listers/scheduling/v1beta1",
"listers/settings/v1alpha1",
"listers/storage/v1",
"listers/storage/v1alpha1",
"listers/storage/v1beta1",
"pkg/apis/clientauthentication",
"pkg/apis/clientauthentication/v1alpha1",
"pkg/apis/clientauthentication/v1beta1",
"pkg/version",
"plugin/pkg/client/auth/exec",
"rest",
"rest/watch",
"tools/cache",
"tools/clientcmd/api",
"tools/metrics",
"tools/pager",
"tools/record",
"tools/reference",
"tools/watch",
"transport",
"util/buffer",
"util/cert",
"util/connrotation",
"util/flowcontrol",
"util/integer",
"util/retry",
]
pruneopts = "NUT"
revision = "1638f8970cefaa404ff3a62950f88b08292b2696"
version = "v9.0.0"
[[projects]]
branch = "master"
digest = "1:b078acbe747521a8f9a602942e7356ec45feb9b8c29c84971b15aebddd991094"
name = "k8s.io/csi-api"
packages = [
"pkg/apis/csi/v1alpha1",
"pkg/client/clientset/versioned",
"pkg/client/clientset/versioned/scheme",
"pkg/client/clientset/versioned/typed/csi/v1alpha1",
]
pruneopts = "NUT"
revision = "3ace7a84ffef58a17488dcefe2432bbeb74a5c7b"
[[projects]]
digest = "1:9cc257b3c9ff6a0158c9c661ab6eebda1fe8a4a4453cd5c4044dc9a2ebfb992b"
name = "k8s.io/klog"
packages = ["."]
pruneopts = "NUT"
revision = "a5bc97fbc634d635061f3146511332c7e313a55a"
version = "v0.1.0"
[[projects]]
branch = "master"
digest = "1:03a96603922fc1f6895ae083e1e16d943b55ef0656b56965351bd87e7d90485f"
name = "k8s.io/kube-openapi"
packages = ["pkg/util/proto"]
pruneopts = "NUT"
revision = "c59034cc13d587f5ef4e85ca0ade0c1866ae8e1d"
[[projects]]
digest = "1:7f17bd412353cc172599a20460b87e2d1754df793ff4e7b04dc4c71a48cdc139"
name = "k8s.io/kubernetes"
packages = [
"pkg/api/legacyscheme",
"pkg/api/service",
"pkg/api/v1/pod",
"pkg/apis/autoscaling",
"pkg/apis/core",
"pkg/apis/core/helper",
"pkg/apis/core/install",
"pkg/apis/core/pods",
"pkg/apis/core/v1",
"pkg/apis/core/v1/helper",
"pkg/apis/core/validation",
"pkg/apis/extensions",
"pkg/apis/networking",
"pkg/apis/policy",
"pkg/apis/scheduling",
"pkg/capabilities",
"pkg/cloudprovider",
"pkg/controller",
"pkg/features",
"pkg/fieldpath",
"pkg/kubelet/apis",
"pkg/kubelet/types",
"pkg/master/ports",
"pkg/scheduler/algorithm",
"pkg/scheduler/algorithm/priorities/util",
"pkg/scheduler/api",
"pkg/scheduler/cache",
"pkg/scheduler/util",
"pkg/security/apparmor",
"pkg/serviceaccount",
"pkg/util/file",
"pkg/util/hash",
"pkg/util/io",
"pkg/util/mount",
"pkg/util/net/sets",
"pkg/util/node",
"pkg/util/nsenter",
"pkg/util/parsers",
"pkg/util/strings",
"pkg/util/taints",
"pkg/volume",
"pkg/volume/util",
"pkg/volume/util/fs",
"pkg/volume/util/recyclerclient",
"pkg/volume/util/types",
"pkg/volume/util/volumepathhandler",
]
pruneopts = "NUT"
revision = "17c77c7898218073f14c8d573582e8d2313dc740"
version = "v1.12.2"
[[projects]]
branch = "master"
digest = "1:4e5556b62a171bd76c81d44df3f46cf7ed6cc44efd16bb56eb3d0d4d784d4b45"
name = "k8s.io/utils"
packages = [
"exec",
"pointer",
]
pruneopts = "NUT"
revision = "1bd4f387aa67de2eec07a362c10bc8bd7fe74237"
[[projects]]
digest = "1:8730e0150dfb2b7e173890c8b9868e7a273082ef8e39f4940e3506a481cf895c"
name = "sigs.k8s.io/yaml"
packages = ["."]
pruneopts = "NUT"
revision = "fd68e9863619f6ec2fdd8625fe1f02e7c877e480"
version = "v1.1.0"
[solve-meta]
analyzer-name = "dep"
analyzer-version = 1
input-imports = [
"github.com/container-storage-interface/spec/lib/go/csi",
"github.com/golang/glog",
"github.com/kubernetes-csi/drivers/pkg/csi-common",
"github.com/spf13/cobra",
"golang.org/x/net/context",
"google.golang.org/grpc/codes",
"google.golang.org/grpc/status",
"k8s.io/kubernetes/pkg/util/mount",
"k8s.io/kubernetes/pkg/volume/util",
]
solver-name = "gps-cdcl"
solver-version = 1

78
Gopkg.toml Normal file
View File

@ -0,0 +1,78 @@
# Gopkg.toml example
#
# Refer to https://github.com/golang/dep/blob/master/docs/Gopkg.toml.md
# for detailed Gopkg.toml documentation.
#
# required = ["github.com/user/thing/cmd/thing"]
# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
#
# [[constraint]]
# name = "github.com/user/project"
# version = "1.0.0"
#
# [[constraint]]
# name = "github.com/user/project2"
# branch = "dev"
# source = "github.com/myfork/project2"
#
# [[override]]
# name = "github.com/x/y"
# version = "2.4.0"
[[constraint]]
name = "github.com/container-storage-interface/spec"
version = "1.0.0"
[[constraint]]
name = "github.com/kubernetes-csi/drivers"
version = "v1.0.2"
[[constraint]]
branch = "master"
name = "github.com/golang/glog"
[[constraint]]
branch = "master"
name = "golang.org/x/net"
[[constraint]]
name = "google.golang.org/grpc"
version = "1.10.0"
[[constraint]]
name = "k8s.io/kubernetes"
version = "v1.12.0"
[[override]]
name = "k8s.io/kubernetes"
version = "v1.12.0"
[[override]]
version = "kubernetes-1.12.0"
name = "k8s.io/api"
[[override]]
version = "kubernetes-1.12.0"
name = "k8s.io/apiserver"
[[override]]
version = "kubernetes-1.12.0"
name = "k8s.io/apiextensions-apiserver"
[[override]]
name = "github.com/golang/protobuf"
version = "v1.1.0"
[[override]]
name = "github.com/json-iterator/go"
version = "1.1.4"
[[override]]
name = "gopkg.in/square/go-jose.v2"
version = "2.1.7"
[prune]
non-go = true
go-tests = true
unused-packages = true

39
Makefile Normal file
View File

@ -0,0 +1,39 @@
# Copyright 2017 The Kubernetes Authors.
#
# 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.
REGISTRY_NAME=quay.io/k8scsi
IMAGE_NAME=nfsplugin
IMAGE_VERSION=canary
IMAGE_TAG=$(REGISTRY_NAME)/$(IMAGE_NAME):$(IMAGE_VERSION)
REV=$(shell git describe --long --tags --dirty)
.PHONY: all nfs clean nfs-container push
test:
go test github.com/kubernetes-csi/csi-driver-nfs/pkg/... -cover
go vet github.com/kubernetes-csi/csi-driver-nfs/pkg/...
nfs:
if [ ! -d ./vendor ]; then dep ensure -vendor-only; fi
CGO_ENABLED=0 GOOS=linux go build -a -ldflags '-extldflags "-static"' -o _output/nfsplugin ./app/
nfs-container: nfs
docker build -t $(IMAGE_TAG) -f ./app/Dockerfile .
push: nfs-container
docker push $(IMAGE_TAG)
clean:
go clean -r -x
-rm -rf _output

81
README.md
View File

@ -1,16 +1,70 @@
# Kubernetes Template Project
# CSI NFS driver
The Kubernetes Template Project is a template for starting new projects in the GitHub organizations owned by Kubernetes. All Kubernetes projects, at minimum, must have the following files:
## Kubernetes
### Requirements
- a `README.md` outlining the project goals, sponsoring sig, and community contact information
- an `OWNERS` with the project leads listed as approvers ([docs on `OWNERS` files][owners])
- a `CONTRIBUTING.md` outlining how to contribute to the project
- an unmodified copy of `code-of-conduct.md` from this repo, which outlines community behavior and the consequences of breaking the code
- a `LICENSE` which must be Apache 2.0 for code projects, or [Creative Commons 4.0] for documentation repositories, without any custom content
- a `SECURITY_CONTACTS` with the contact points for the Product Security Team
to reach out to for triaging and handling of incoming issues. They must agree to abide by the
[Embargo Policy](https://github.com/kubernetes/sig-release/blob/master/security-release-process-documentation/security-release-process.md#embargo-policy)
and will be removed and replaced if they violate that agreement.
The folllowing feature gates and runtime config have to be enabled to deploy the driver
```
FEATURE_GATES=CSIPersistentVolume=true,MountPropagation=true
RUNTIME_CONFIG="storage.k8s.io/v1alpha1=true"
```
Mountprogpation requries support for privileged containers. So, make sure privileged containers are enabled in the cluster.
### Example local-up-cluster.sh
```ALLOW_PRIVILEGED=true FEATURE_GATES=CSIPersistentVolume=true,MountPropagation=true RUNTIME_CONFIG="storage.k8s.io/v1alpha1=true" LOG_LEVEL=5 hack/local-up-cluster.sh```
### Deploy
```kubectl -f deploy/kubernetes create```
### Example Nginx application
Please update the NFS Server & share information in nginx.yaml file.
```kubectl -f examples/kubernetes/nginx.yaml create```
## Using CSC tool
### Build nfsplugin
```
$ make nfs
```
### Start NFS driver
```
$ sudo ./_output/nfsplugin --endpoint tcp://127.0.0.1:10000 --nodeid CSINode -v=5
```
## Test
Get ```csc``` tool from https://github.com/rexray/gocsi/tree/master/csc
#### Get plugin info
```
$ csc identity plugin-info --endpoint tcp://127.0.0.1:10000
"NFS" "0.1.0"
```
#### NodePublish a volume
```
$ export NFS_SERVER="Your Server IP (Ex: 10.10.10.10)"
$ export NFS_SHARE="Your NFS share"
$ csc node publish --endpoint tcp://127.0.0.1:10000 --target-path /mnt/nfs --attrib server=$NFS_SERVER --attrib share=$NFS_SHARE nfstestvol
nfstestvol
```
#### NodeUnpublish a volume
```
$ csc node unpublish --endpoint tcp://127.0.0.1:10000 --target-path /mnt/nfs nfstestvol
nfstestvol
```
#### Get NodeID
```
$ csc node get-id --endpoint tcp://127.0.0.1:10000
CSINode
```
## Community, discussion, contribution, and support
@ -18,8 +72,9 @@ Learn how to engage with the Kubernetes community on the [community page](http:/
You can reach the maintainers of this project at:
- [Slack](http://slack.k8s.io/)
- [Mailing List](https://groups.google.com/forum/#!forum/kubernetes-dev)
- [Slack channel](https://kubernetes.slack.com/messages/sig-storage)
- [Mailing list](https://groups.google.com/forum/#!forum/kubernetes-sig-storage)
### Code of conduct

8
app/Dockerfile Normal file
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@ -0,0 +1,8 @@
FROM centos:7.4.1708
# Copy nfsplugin from build _output directory
COPY nfsplugin /nfsplugin
RUN yum -y install nfs-utils && yum -y install epel-release && yum -y install jq && yum clean all
ENTRYPOINT ["/nfsplugin"]

70
app/main.go Normal file
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@ -0,0 +1,70 @@
/*
Copyright 2017 The Kubernetes Authors.
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.
*/
package main
import (
"flag"
"fmt"
"os"
"github.com/spf13/cobra"
"github.com/kubernetes-csi/csi-driver-nfs/pkg/nfs"
)
var (
endpoint string
nodeID string
)
func init() {
flag.Set("logtostderr", "true")
}
func main() {
flag.CommandLine.Parse([]string{})
cmd := &cobra.Command{
Use: "NFS",
Short: "CSI based NFS driver",
Run: func(cmd *cobra.Command, args []string) {
handle()
},
}
cmd.Flags().AddGoFlagSet(flag.CommandLine)
cmd.PersistentFlags().StringVar(&nodeID, "nodeid", "", "node id")
cmd.MarkPersistentFlagRequired("nodeid")
cmd.PersistentFlags().StringVar(&endpoint, "endpoint", "", "CSI endpoint")
cmd.MarkPersistentFlagRequired("endpoint")
cmd.ParseFlags(os.Args[1:])
if err := cmd.Execute(); err != nil {
fmt.Fprintf(os.Stderr, "%s", err.Error())
os.Exit(1)
}
os.Exit(0)
}
func handle() {
d := nfs.NewDriver(nodeID, endpoint)
d.Run()
}

64
deploy/kubernetes/csi-attacher-nfsplugin.yaml Normal file
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@ -0,0 +1,64 @@
# This YAML file contains attacher & csi driver API objects that are necessary
# to run external CSI attacher for nfs
kind: Service
apiVersion: v1
metadata:
name: csi-attacher-nfsplugin
labels:
app: csi-attacher-nfsplugin
spec:
selector:
app: csi-attacher-nfsplugin
ports:
- name: dummy
port: 12345
---
kind: StatefulSet
apiVersion: apps/v1beta1
metadata:
name: csi-attacher-nfsplugin
spec:
serviceName: "csi-attacher"
replicas: 1
template:
metadata:
labels:
app: csi-attacher-nfsplugin
spec:
serviceAccount: csi-attacher
containers:
- name: csi-attacher
image: quay.io/k8scsi/csi-attacher:v0.3.0
args:
- "--v=5"
- "--csi-address=$(ADDRESS)"
env:
- name: ADDRESS
value: /var/lib/csi/sockets/pluginproxy/csi.sock
imagePullPolicy: "IfNotPresent"
volumeMounts:
- name: socket-dir
mountPath: /var/lib/csi/sockets/pluginproxy/
- name: nfs
image: quay.io/k8scsi/nfsplugin:v0.3.0
args :
- "--nodeid=$(NODE_ID)"
- "--endpoint=$(CSI_ENDPOINT)"
env:
- name: NODE_ID
valueFrom:
fieldRef:
fieldPath: spec.nodeName
- name: CSI_ENDPOINT
value: unix://plugin/csi.sock
imagePullPolicy: "IfNotPresent"
volumeMounts:
- name: socket-dir
mountPath: /plugin
volumes:
- name: socket-dir
emptyDir:

37
deploy/kubernetes/csi-attacher-rbac.yaml Normal file
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@ -0,0 +1,37 @@
# This YAML file contains RBAC API objects that are necessary to run external
# CSI attacher for nfs flex adapter
apiVersion: v1
kind: ServiceAccount
metadata:
name: csi-attacher
---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: external-attacher-runner
rules:
- apiGroups: [""]
resources: ["persistentvolumes"]
verbs: ["get", "list", "watch", "update"]
- apiGroups: [""]
resources: ["nodes"]
verbs: ["get", "list", "watch"]
- apiGroups: ["storage.k8s.io"]
resources: ["volumeattachments"]
verbs: ["get", "list", "watch", "update"]
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: csi-attacher-role
subjects:
- kind: ServiceAccount
name: csi-attacher
namespace: default
roleRef:
kind: ClusterRole
name: external-attacher-runner
apiGroup: rbac.authorization.k8s.io

66
deploy/kubernetes/csi-nodeplugin-nfsplugin.yaml Normal file
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@ -0,0 +1,66 @@
# This YAML file contains driver-registrar & csi driver nodeplugin API objects
# that are necessary to run CSI nodeplugin for nfs
kind: DaemonSet
apiVersion: apps/v1beta2
metadata:
name: csi-nodeplugin-nfsplugin
spec:
selector:
matchLabels:
app: csi-nodeplugin-nfsplugin
template:
metadata:
labels:
app: csi-nodeplugin-nfsplugin
spec:
serviceAccount: csi-nodeplugin
hostNetwork: true
containers:
- name: driver-registrar
image: quay.io/k8scsi/driver-registrar:v0.3.0
args:
- "--v=5"
- "--csi-address=$(ADDRESS)"
env:
- name: ADDRESS
value: /plugin/csi.sock
- name: KUBE_NODE_NAME
valueFrom:
fieldRef:
fieldPath: spec.nodeName
volumeMounts:
- name: plugin-dir
mountPath: /plugin
- name: nfs
securityContext:
privileged: true
capabilities:
add: ["SYS_ADMIN"]
allowPrivilegeEscalation: true
image: quay.io/k8scsi/nfsplugin:v0.3.0
args :
- "--nodeid=$(NODE_ID)"
- "--endpoint=$(CSI_ENDPOINT)"
env:
- name: NODE_ID
valueFrom:
fieldRef:
fieldPath: spec.nodeName
- name: CSI_ENDPOINT
value: unix://plugin/csi.sock
imagePullPolicy: "IfNotPresent"
volumeMounts:
- name: plugin-dir
mountPath: /plugin
- name: pods-mount-dir
mountPath: /var/lib/kubelet/pods
mountPropagation: "Bidirectional"
volumes:
- name: plugin-dir
hostPath:
path: /var/lib/kubelet/plugins/csi-nfsplugin
type: DirectoryOrCreate
- name: pods-mount-dir
hostPath:
path: /var/lib/kubelet/pods
type: Directory

34
deploy/kubernetes/csi-nodeplugin-rbac.yaml Normal file
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@ -0,0 +1,34 @@
# This YAML defines all API objects to create RBAC roles for CSI node plugin
apiVersion: v1
kind: ServiceAccount
metadata:
name: csi-nodeplugin
---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: csi-nodeplugin
rules:
- apiGroups: [""]
resources: ["persistentvolumes"]
verbs: ["get", "list", "watch", "update"]
- apiGroups: [""]
resources: ["nodes"]
verbs: ["get", "list", "watch", "update"]
- apiGroups: ["storage.k8s.io"]
resources: ["volumeattachments"]
verbs: ["get", "list", "watch", "update"]
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: csi-nodeplugin
subjects:
- kind: ServiceAccount
name: csi-nodeplugin
namespace: default
roleRef:
kind: ClusterRole
name: csi-nodeplugin
apiGroup: rbac.authorization.k8s.io

53
examples/kubernetes/nginx.yaml Normal file
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@ -0,0 +1,53 @@
apiVersion: v1
kind: PersistentVolume
metadata:
name: data-nfsplugin
labels:
name: data-nfsplugin
spec:
accessModes:
- ReadWriteMany
capacity:
storage: 100Gi
csi:
driver: csi-nfsplugin
volumeHandle: data-id
volumeAttributes:
server: 127.0.0.1
share: /export
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: data-nfsplugin
spec:
accessModes:
- ReadWriteMany
resources:
requests:
storage: 100Gi
selector:
matchExpressions:
- key: name
operator: In
values: ["data-nfsplugin"]
---
apiVersion: v1
kind: Pod
metadata:
name: nginx
spec:
containers:
- image: maersk/nginx
imagePullPolicy: Always
name: nginx
ports:
- containerPort: 80
protocol: TCP
volumeMounts:
- mountPath: /var/www
name: data-nfsplugin
volumes:
- name: data-nfsplugin
persistentVolumeClaim:
claimName: data-nfsplugin

69
pkg/nfs/README.md Normal file
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@ -0,0 +1,69 @@
# CSI NFS driver
## Kubernetes
### Requirements
The folllowing feature gates and runtime config have to be enabled to deploy the driver
```
FEATURE_GATES=CSIPersistentVolume=true,MountPropagation=true
RUNTIME_CONFIG="storage.k8s.io/v1alpha1=true"
```
Mountprogpation requries support for privileged containers. So, make sure privileged containers are enabled in the cluster.
### Example local-up-cluster.sh
```ALLOW_PRIVILEGED=true FEATURE_GATES=CSIPersistentVolume=true,MountPropagation=true RUNTIME_CONFIG="storage.k8s.io/v1alpha1=true" LOG_LEVEL=5 hack/local-up-cluster.sh```
### Deploy
```kubectl -f deploy/kubernetes create```
### Example Nginx application
Please update the NFS Server & share information in nginx.yaml file.
```kubectl -f examples/kubernetes/nginx.yaml create```
## Using CSC tool
### Build nfsplugin
```
$ make nfs
```
### Start NFS driver
```
$ sudo ./_output/nfsplugin --endpoint tcp://127.0.0.1:10000 --nodeid CSINode -v=5
```
## Test
Get ```csc``` tool from https://github.com/rexray/gocsi/tree/master/csc
#### Get plugin info
```
$ csc identity plugin-info --endpoint tcp://127.0.0.1:10000
"NFS" "0.1.0"
```
#### NodePublish a volume
```
$ export NFS_SERVER="Your Server IP (Ex: 10.10.10.10)"
$ export NFS_SHARE="Your NFS share"
$ csc node publish --endpoint tcp://127.0.0.1:10000 --target-path /mnt/nfs --attrib server=$NFS_SERVER --attrib share=$NFS_SHARE nfstestvol
nfstestvol
```
#### NodeUnpublish a volume
```
$ csc node unpublish --endpoint tcp://127.0.0.1:10000 --target-path /mnt/nfs nfstestvol
nfstestvol
```
#### Get NodeID
```
$ csc node get-id --endpoint tcp://127.0.0.1:10000
CSINode
```

78
pkg/nfs/driver.go Normal file
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@ -0,0 +1,78 @@
/*
Copyright 2017 The Kubernetes Authors.
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.
*/
package nfs
import (
"github.com/container-storage-interface/spec/lib/go/csi"
"github.com/golang/glog"
csicommon "github.com/kubernetes-csi/drivers/pkg/csi-common"
)
type driver struct {
csiDriver *csicommon.CSIDriver
endpoint string
ids *csicommon.DefaultIdentityServer
ns *nodeServer
cap []*csi.VolumeCapability_AccessMode
cscap []*csi.ControllerServiceCapability
}
const (
driverName = "csi-nfsplugin"
)
var (
version = "1.0.0-rc2"
)
func NewDriver(nodeID, endpoint string) *driver {
glog.Infof("Driver: %v version: %v", driverName, version)
d := &driver{}
d.endpoint = endpoint
csiDriver := csicommon.NewCSIDriver(driverName, version, nodeID)
csiDriver.AddVolumeCapabilityAccessModes([]csi.VolumeCapability_AccessMode_Mode{csi.VolumeCapability_AccessMode_MULTI_NODE_MULTI_WRITER})
// NFS plugin does not support ControllerServiceCapability now.
// If support is added, it should set to appropriate
// ControllerServiceCapability RPC types.
csiDriver.AddControllerServiceCapabilities([]csi.ControllerServiceCapability_RPC_Type{csi.ControllerServiceCapability_RPC_UNKNOWN})
d.csiDriver = csiDriver
return d
}
func NewNodeServer(d *driver) *nodeServer {
return &nodeServer{
DefaultNodeServer: csicommon.NewDefaultNodeServer(d.csiDriver),
}
}
func (d *driver) Run() {
s := csicommon.NewNonBlockingGRPCServer()
s.Start(d.endpoint,
csicommon.NewDefaultIdentityServer(d.csiDriver),
// NFS plugin has not implemented ControllerServer.
nil,
NewNodeServer(d))
s.Wait()
}

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pkg/nfs/nodeserver.go Normal file
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/*
Copyright 2017 The Kubernetes Authors.
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.
*/
package nfs
import (
"fmt"
"os"
"strings"
"github.com/container-storage-interface/spec/lib/go/csi"
"golang.org/x/net/context"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"k8s.io/kubernetes/pkg/util/mount"
"k8s.io/kubernetes/pkg/volume/util"
"github.com/kubernetes-csi/drivers/pkg/csi-common"
)
type nodeServer struct {
*csicommon.DefaultNodeServer
}
func (ns *nodeServer) NodePublishVolume(ctx context.Context, req *csi.NodePublishVolumeRequest) (*csi.NodePublishVolumeResponse, error) {
targetPath := req.GetTargetPath()
notMnt, err := mount.New("").IsLikelyNotMountPoint(targetPath)
if err != nil {
if os.IsNotExist(err) {
if err := os.MkdirAll(targetPath, 0750); err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
notMnt = true
} else {
return nil, status.Error(codes.Internal, err.Error())
}
}
if !notMnt {
return &csi.NodePublishVolumeResponse{}, nil
}
mo := req.GetVolumeCapability().GetMount().GetMountFlags()
if req.GetReadonly() {
mo = append(mo, "ro")
}
s := req.GetVolumeContext()["server"]
ep := req.GetVolumeContext()["share"]
source := fmt.Sprintf("%s:%s", s, ep)
mounter := mount.New("")
err = mounter.Mount(source, targetPath, "nfs", mo)
if err != nil {
if os.IsPermission(err) {
return nil, status.Error(codes.PermissionDenied, err.Error())
}
if strings.Contains(err.Error(), "invalid argument") {
return nil, status.Error(codes.InvalidArgument, err.Error())
}
return nil, status.Error(codes.Internal, err.Error())
}
return &csi.NodePublishVolumeResponse{}, nil
}
func (ns *nodeServer) NodeUnpublishVolume(ctx context.Context, req *csi.NodeUnpublishVolumeRequest) (*csi.NodeUnpublishVolumeResponse, error) {
targetPath := req.GetTargetPath()
notMnt, err := mount.New("").IsLikelyNotMountPoint(targetPath)
if err != nil {
if os.IsNotExist(err) {
return nil, status.Error(codes.NotFound, "Targetpath not found")
} else {
return nil, status.Error(codes.Internal, err.Error())
}
}
if notMnt {
return nil, status.Error(codes.NotFound, "Volume not mounted")
}
err = util.UnmountPath(req.GetTargetPath(), mount.New(""))
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &csi.NodeUnpublishVolumeResponse{}, nil
}
func (ns *nodeServer) NodeUnstageVolume(ctx context.Context, req *csi.NodeUnstageVolumeRequest) (*csi.NodeUnstageVolumeResponse, error) {
return &csi.NodeUnstageVolumeResponse{}, nil
}
func (ns *nodeServer) NodeStageVolume(ctx context.Context, req *csi.NodeStageVolumeRequest) (*csi.NodeStageVolumeResponse, error) {
return &csi.NodeStageVolumeResponse{}, nil
}