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Merge pull request #367 from natealcedo/update-glusterfs 

Update glusterfs volume example
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51
volumes/glusterfs/README.md
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@ -18,19 +18,18 @@ have a working GlusterFS volume ready to use in the containers.
#### Create endpoints #### Create endpoints
The first step is to create the GlusterFS endpoints definition in Kubernetes. The first step is to create the GlusterFS endpoints definition in Kubernetes.
Here is a snippet of [glusterfs-endpoints.json](glusterfs-endpoints.json): Here is a snippet of [glusterfs-endpoints.yaml](glusterfs-endpoints.yaml):
``` ```yaml
"subsets": [ subsets:
{ - addresses:
"addresses": [{ "ip": "10.240.106.152" }], - ip: 10.240.106.152
"ports": [{ "port": 1 }] ports:
}, - port: 1
{ - addresses:
"addresses": [{ "ip": "10.240.79.157" }], - ip: 10.240.79.157
"ports": [{ "port": 1 }] ports:
} - port: 1
]
``` ```
The `subsets` field should be populated with the addresses of the nodes in the The `subsets` field should be populated with the addresses of the nodes in the
@ -40,7 +39,7 @@ the `port` field.
Create the endpoints: Create the endpoints:
```sh ```sh
$ kubectl create -f examples/volumes/glusterfs/glusterfs-endpoints.json $ kubectl create -f examples/volumes/glusterfs/glusterfs-endpoints.yaml
``` ```
You can verify that the endpoints are successfully created by running You can verify that the endpoints are successfully created by running
@ -54,31 +53,27 @@ glusterfs-cluster 10.240.106.152:1,10.240.79.157:1
We also need to create a service for these endpoints, so that they will We also need to create a service for these endpoints, so that they will
persist. We will add this service without a selector to tell Kubernetes we want persist. We will add this service without a selector to tell Kubernetes we want
to add its endpoints manually. You can see to add its endpoints manually. You can see
[glusterfs-service.json](glusterfs-service.json) for details. [glusterfs-service.yaml](glusterfs-service.yaml) for details.
Use this command to create the service: Use this command to create the service:
```sh ```sh
$ kubectl create -f examples/volumes/glusterfs/glusterfs-service.json $ kubectl create -f examples/volumes/glusterfs/glusterfs-service.yaml
``` ```
#### Create a Pod #### Create a Pod
The following *volume* spec in [glusterfs-pod.json](glusterfs-pod.json) The following *volume* spec in [glusterfs-pod.yaml](glusterfs-pod.yaml)
illustrates a sample configuration: illustrates a sample configuration:
```json ```yaml
"volumes": [ volumes:
{ - name: glusterfsvol
"name": "glusterfsvol", glusterfs:
"glusterfs": { endpoints: glusterfs-cluster
"endpoints": "glusterfs-cluster", path: kube_vol
"path": "kube_vol", readOnly: true
"readOnly": true
}
}
]
``` ```
The parameters are explained as the followings. The parameters are explained as the followings.
@ -93,7 +88,7 @@ The parameters are explained as the followings.
Create a pod that has a container using Glusterfs volume, Create a pod that has a container using Glusterfs volume,
```sh ```sh
$ kubectl create -f examples/volumes/glusterfs/glusterfs-pod.json $ kubectl create -f examples/volumes/glusterfs/glusterfs-pod.yaml
``` ```
You can verify that the pod is running: You can verify that the pod is running:

33
volumes/glusterfs/glusterfs-endpoints.json
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@ -1,33 +0,0 @@
{
"kind": "Endpoints",
"apiVersion": "v1",
"metadata": {
"name": "glusterfs-cluster"
},
"subsets": [
{
"addresses": [
{
"ip": "10.240.106.152"
}
],
"ports": [
{
"port": 1
}
]
},
{
"addresses": [
{
"ip": "10.240.79.157"
}
],
"ports": [
{
"port": 1
}
]
}
]
}

31
volumes/glusterfs/glusterfs-pod.json
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@ -1,31 +0,0 @@
{
"apiVersion": "v1",
"kind": "Pod",
"metadata": {
"name": "glusterfs"
},
"spec": {
"containers": [
{
"name": "glusterfs",
"image": "nginx",
"volumeMounts": [
{
"mountPath": "/mnt/glusterfs",
"name": "glusterfsvol"
}
]
}
],
"volumes": [
{
"name": "glusterfsvol",
"glusterfs": {
"endpoints": "glusterfs-cluster",
"path": "kube_vol",
"readOnly": true
}
}
]
}
}

17
volumes/glusterfs/glusterfs-pod.yaml Normal file
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@ -0,0 +1,17 @@
apiVersion: v1
kind: Pod
metadata:
name: glusterfs
spec:
containers:
- name: glusterfs
image: nginx
volumeMounts:
- mountPath: "/mnt/glusterfs"
name: glusterfsvol
volumes:
- name: glusterfsvol
glusterfs:
endpoints: glusterfs-cluster
path: kube_vol
readOnly: true

12
volumes/glusterfs/glusterfs-service.json
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@ -1,12 +0,0 @@
{
"kind": "Service",
"apiVersion": "v1",
"metadata": {
"name": "glusterfs-cluster"
},
"spec": {
"ports": [
{"port": 1}
]
}
}

7
volumes/glusterfs/glusterfs-service.yaml Normal file
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@ -0,0 +1,7 @@
apiVersion: v1
kind: Service
metadata:
name: glusterfs-cluster
spec:
ports:
- port: 1

13
volumes/glusterfs/gsluterfs-endpoints.yaml Normal file
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@ -0,0 +1,13 @@
apiVersion: v1
kind: Endpoints
metadata:
name: glusterfs-cluster
subsets:
- addresses:
- ip: 10.240.106.152
ports:
- port: 1
- addresses:
- ip: 10.240.79.157
ports:
- port: 1