emptyDir类型
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
| apiVersion: v1
kind: Pod
metadata:
name: pod-demo
namespace: default
labels:
app: myapp
tier: frontend
annotations:
test.com/created-by: "cluster admin"
spec:
containers:
- name: myapp
image: ikubernetes/myapp:v1
imagePullPolicy: IfNotPresent
ports:
- name: http
containerPort: 80
volumeMounts:
- name: html
mountPath: /usr/share/nginx/html/
- name: busybox
image: busybox:latest
imagePullPolicy: IfNotPresent
volumeMounts:
- name: html
mountPath: /data
command:
- "/bin/sh"
- "-c"
- "while true; do echo $(data) >> /data/index.html; sleep 2; done"
volumes:
- name: html
emptyDir: {}
|
hostPath类型
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
| apiVersion: v1
kind: Pod
metadata:
name: pod-vol-hostpath
namespace: default
spec:
containers:
- name: myapp
image: ikubernetes/myapp:v1
volumeMounts:
- name: html
mountPath: /usr/share/nginx/html
volumes:
- name: html
hostPath:
path: /data/pod/volumel
type: DirectoryOrCreate
|
之后可以
1
2
3
4
5
| mkdir -pv /data/pod/volumel
vim /data/pod/volumel/index.html
hello,node01 //可以在各个节点上创建
|
NFS类型
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
| stor01作为存储节点
yum install -y nfs-utils
mkdir -p /data/volumes
vim /etc/exports
/data/volumes 192.168.0.0/16(rw,no_root_squash)
systemctl start nfs
ss -tnl
在node02上
yum install -y nfs-utils
|
编辑一个yaml文件
vim pod-vol-nfs.yaml
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
| apiVersion: v1
kind: Pod
metadata:
name: pod-vol-nfs
namespace: default
spec:
containers:
- name: myapp
image: ikubernetes/myapp:v1
volumeMounts:
- name: html
mountPath: /usr/share/nginx/html
volumes:
- name: html
nfs:
path: /data/volumes
server: stor01.test.com
|
之后应用这个yaml
1
| kubectl apply -f pod-vol-nfs.yaml
|
我们回到stor01上
1
2
3
| vim /data/volumes/index.html
nfs stor01
|
之后访问这个pod
1
2
3
| kubectl get pods -o wide
之后找到ip地址 即可访问
|
PV和PVC类型
1
| mkdir -p /data/volumes/v{1,2,3,4,5}
|
vim /etc/exports
1
2
3
4
5
| /data/volumesv1 192.168.0.0/16(rw,no_root_squash)
/data/volumesv2 192.168.0.0/16(rw,no_root_squash)
/data/volumesv3 192.168.0.0/16(rw,no_root_squash)
/data/volumesv4 192.168.0.0/16(rw,no_root_squash)
/data/volumesv5 192.168.0.0/16(rw,no_root_squash)
|
1
2
3
| exportfs -arv
showmount -e
|
定义一个NFS类型的PV
vim pv-demo.yaml
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
| apiVersion: v1
kind: PersistentVolume
metadata:
name: pv001
labels:
name: pv001
spec:
nfs:
path: /data/volumes/v1
server: stor01.test.com
accessModes: ["ReadWriteMany","ReadyWriteOnce"]
capacity:
storage: 2Gi
---
apiVersion: v1
kind: PersistentVolume
metadata:
name: pv002
labels:
name: pv002
spec:
nfs:
path: /data/volumes/v2
server: stor01.test.com
accessModes: ["ReadyWriteOnce"]
capacity:
storage: 2Gi
---
apiVersion: v1
kind: PersistentVolume
metadata:
name: pv003
labels:
name: pv003
spec:
nfs:
path: /data/volumes/v3
server: stor01.test.com
accessModes: ["ReadWriteMany","ReadyWriteOnce"]
capacity:
storage: 10Gi
---
apiVersion: v1
kind: PersistentVolume
metadata:
name: pv004
labels:
name: pv004
spec:
nfs:
path: /data/volumes/v4
server: stor01.test.com
accessModes: ["ReadWriteMany","ReadyWriteOnce"]
capacity:
storage: 10Gi
---
apiVersion: v1
kind: PersistentVolume
metadata:
name: pv005
labels:
name: pv005
spec:
nfs:
path: /data/volumes/v5
server: stor01.test.com
accessModes: ["ReadWriteMany","ReadyWriteOnce"]
capacity:
storage: 20Gi
|
创建一个PVC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
| apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: mypvc
namespace: default
spec:
accessModes: ["ReadWriteMany"]
resources:
requests:
storage: 6Gi
---
apiVersion: v1
kind: Pod
metadata:
name: pod-vol-nfs
namespace: default
spec:
containers:
- name: myapp
image: ikubernetes/myapp:v1
volumeMounts:
- name: html
mountPath: /usr/share/nginx/html
volumes:
- name: html
persistentVolumeClaim:
name: mypvc
|
