0%

k8s对接ceph-rbd

k8s对接ceph-rbd

Ceph CSI插件实现了支持CSI的容器编排器和Ceph集群之间的接口。支持动态调配Ceph卷并将其附加到工作负载。

概览

部署教程: https://github.com/ceph/ceph-csi/blob/devel/docs/deploy-rbd.md

部署清单: https://github.com/ceph/ceph-csi/tree/devel/deploy/rbd/kubernetes

1
2
3
4
5
6
7
8
9
git clone git@github.com:ceph/ceph-csi.git
cd ceph-csi/deploy/rbd/kubernetes
kubectl create -f csidriver.yaml
kubectl create -f csi-provisioner-rbac.yaml
kubectl create -f csi-nodeplugin-rbac.yaml
kubectl create -f csi-config-map.yaml # 需要修改
kubectl create -f ../../../examples/ceph-conf.yaml # 需要修改
kubectl create -f csi-rbdplugin-provisioner.yaml # 需要修改
kubectl create -f csi-rbdplugin.yaml # 需要修改

国内镜像

1
2
3
4
5
6
7
8
9
10
11
12
# 提前下载quay.mirrors.ustc.edu.cn/cephcsi/cephcsi:canary镜像,然后导入到其他节点
ctr -n k8s.io image pull quay.mirrors.ustc.edu.cn/cephcsi/cephcsi:canary
# 下载后导出
ctr -n k8s.io image export cephcsi.tar.gz quay.mirrors.ustc.edu.cn/cephcsi/cephcsi:canary
# 临时启动服务用于文件下载
python -m SimpleHTTPServer 80
# 下载镜像包
wget http://10.13.0.63/cephcsi.tar.gz
# 镜像导入
ctr -n k8s.io image import cephcsi.tar.gz
# 删除镜像文件
\rm -f cephcsi.tar.gz

创建存储池

1
2
ceph osd pool create hw-k8s 8 8
rbd pool init hw-k8s

创建用户

1
ceph auth get-or-create client.hw-k8s mon 'profile rbd' osd 'profile rbd pool=hw-k8s' mgr 'profile rbd pool=hw-k8s'
1
2
3
4
5
#返回:
[client.hw-k8s]
key = AQDnY2tjjq2aChAAEC8DzC2eTuqLVk/O9ayoug==

# 也可以通过ceph auth list | grep -A 4 client.hw-k8s 来获取用户的key

收集集群信息

1
ceph mon dump
1
2
3
4
5
6
7
8
9
10
返回:
epoch 1
fsid 9d739880-b7bb-4d4e-b000-e9da551bb4dd # 集群id
last_changed 2022-02-09 20:05:53.335410
created 2022-02-09 20:05:53.335410
min_mon_release 14 (nautilus)
0: [v2:172.20.3.46:3300/0,v1:172.20.3.46:6789/0] mon.ceph2 # mon节点地址和端口
1: [v2:172.20.3.47:3300/0,v1:172.20.3.47:6789/0] mon.ceph3 # mon节点地址和端口
2: [v2:172.20.3.50:3300/0,v1:172.20.3.50:6789/0] mon.ceph1 # mon节点地址和端口
dumped monmap epoch 1

部署资源清单

csidriver.yaml

1
2
3
4
5
6
7
8
apiVersion: storage.k8s.io/v1
kind: CSIDriver
metadata:
name: "rbd.csi.ceph.com"
spec:
attachRequired: true
podInfoOnMount: false
fsGroupPolicy: File

csi-provisioner-rbac.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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
---
apiVersion: v1
kind: ServiceAccount
metadata:
name: rbd-csi-provisioner
# replace with non-default namespace name
namespace: default

---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: rbd-external-provisioner-runner
rules:
- apiGroups: [""]
resources: ["nodes"]
verbs: ["get", "list", "watch"]
- apiGroups: [""]
resources: ["secrets"]
verbs: ["get", "list", "watch"]
- apiGroups: [""]
resources: ["events"]
verbs: ["list", "watch", "create", "update", "patch"]
- apiGroups: [""]
resources: ["persistentvolumes"]
verbs: ["get", "list", "watch", "create", "update", "delete", "patch"]
- apiGroups: [""]
resources: ["persistentvolumeclaims"]
verbs: ["get", "list", "watch", "update"]
- apiGroups: [""]
resources: ["persistentvolumeclaims/status"]
verbs: ["update", "patch"]
- apiGroups: ["storage.k8s.io"]
resources: ["storageclasses"]
verbs: ["get", "list", "watch"]
- apiGroups: ["snapshot.storage.k8s.io"]
resources: ["volumesnapshots"]
verbs: ["get", "list", "patch"]
- apiGroups: ["snapshot.storage.k8s.io"]
resources: ["volumesnapshots/status"]
verbs: ["get", "list", "patch"]
- apiGroups: ["snapshot.storage.k8s.io"]
resources: ["volumesnapshotcontents"]
verbs: ["create", "get", "list", "watch", "update", "delete", "patch"]
- apiGroups: ["snapshot.storage.k8s.io"]
resources: ["volumesnapshotclasses"]
verbs: ["get", "list", "watch"]
- apiGroups: ["storage.k8s.io"]
resources: ["volumeattachments"]
verbs: ["get", "list", "watch", "update", "patch"]
- apiGroups: ["storage.k8s.io"]
resources: ["volumeattachments/status"]
verbs: ["patch"]
- apiGroups: ["storage.k8s.io"]
resources: ["csinodes"]
verbs: ["get", "list", "watch"]
- apiGroups: ["snapshot.storage.k8s.io"]
resources: ["volumesnapshotcontents/status"]
verbs: ["update", "patch"]
- apiGroups: [""]
resources: ["configmaps"]
verbs: ["get"]
- apiGroups: [""]
resources: ["serviceaccounts"]
verbs: ["get"]
- apiGroups: [""]
resources: ["serviceaccounts/token"]
verbs: ["create"]
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: rbd-csi-provisioner-role
subjects:
- kind: ServiceAccount
name: rbd-csi-provisioner
# replace with non-default namespace name
namespace: default
roleRef:
kind: ClusterRole
name: rbd-external-provisioner-runner
apiGroup: rbac.authorization.k8s.io

---
kind: Role
apiVersion: rbac.authorization.k8s.io/v1
metadata:
# replace with non-default namespace name
namespace: default
name: rbd-external-provisioner-cfg
rules:
- apiGroups: [""]
resources: ["configmaps"]
verbs: ["get", "list", "watch", "create", "update", "delete"]
- apiGroups: ["coordination.k8s.io"]
resources: ["leases"]
verbs: ["get", "watch", "list", "delete", "update", "create"]

---
kind: RoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: rbd-csi-provisioner-role-cfg
# replace with non-default namespace name
namespace: default
subjects:
- kind: ServiceAccount
name: rbd-csi-provisioner
# replace with non-default namespace name
namespace: default
roleRef:
kind: Role
name: rbd-external-provisioner-cfg
apiGroup: rbac.authorization.k8s.io

csi-nodeplugin-rbac.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
---
apiVersion: v1
kind: ServiceAccount
metadata:
name: rbd-csi-nodeplugin
# replace with non-default namespace name
namespace: default
---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: rbd-csi-nodeplugin
rules:
- apiGroups: [""]
resources: ["nodes"]
verbs: ["get"]
# allow to read Vault Token and connection options from the Tenants namespace
- apiGroups: [""]
resources: ["secrets"]
verbs: ["get"]
- apiGroups: [""]
resources: ["configmaps"]
verbs: ["get"]
- apiGroups: [""]
resources: ["serviceaccounts"]
verbs: ["get"]
- apiGroups: [""]
resources: ["persistentvolumes"]
verbs: ["get"]
- apiGroups: ["storage.k8s.io"]
resources: ["volumeattachments"]
verbs: ["list", "get"]
- apiGroups: [""]
resources: ["serviceaccounts/token"]
verbs: ["create"]
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: rbd-csi-nodeplugin
subjects:
- kind: ServiceAccount
name: rbd-csi-nodeplugin
# replace with non-default namespace name
namespace: default
roleRef:
kind: ClusterRole
name: rbd-csi-nodeplugin
apiGroup: rbac.authorization.k8s.io

csi-config-map.yaml(按需修改)

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
---
apiVersion: v1
kind: ConfigMap
metadata:
name: "ceph-csi-config"
data:
config.json: |-
[
{
"clusterID": "9d739880-b7bb-4d4e-b000-e9da551bb4dd",
"monitors": [
"172.20.3.46:6789",
"172.20.3.47:6789",
"172.20.3.48:6789"
]
}
]

ceph-conf.yaml(按需修改)

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
apiVersion: v1
kind: ConfigMap
data:
ceph.conf: |
[global]
fsid = e600715a-f17a-43c1-8d52-a58e36c0d32b
mon_initial_members = ceph1, ceph2, ceph3
mon_host = 172.20.3.50,172.20.3.46,172.20.3.47
auth_cluster_required = cephx
auth_service_required = cephx
auth_client_required = cephx
public_network = 172.20.3.0/24
cluster_network = 172.20.3.0/24

# keyring is a required key and its value should be empty
keyring: |
metadata:
name: ceph-config

csi-rbdplugin-provisioner.yaml

修改csi-rbdplugin-provisioner.yaml中的镜像地址

  1. registry.k8s.io/sig-storage 改为 registry.cn-hangzhou.aliyuncs.com/google_containers

  2. quay.io/cephcsi/cephcsi:canary 改为 quay.mirrors.ustc.edu.cn/cephcsi/cephcsi:canary

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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
---
kind: Service
apiVersion: v1
metadata:
name: csi-rbdplugin-provisioner
# replace with non-default namespace name
namespace: default
labels:
app: csi-metrics
spec:
selector:
app: csi-rbdplugin-provisioner
ports:
- name: http-metrics
port: 8080
protocol: TCP
targetPort: 8680

---
kind: Deployment
apiVersion: apps/v1
metadata:
name: csi-rbdplugin-provisioner
# replace with non-default namespace name
namespace: default
spec:
replicas: 3
selector:
matchLabels:
app: csi-rbdplugin-provisioner
template:
metadata:
labels:
app: csi-rbdplugin-provisioner
spec:
affinity:
podAntiAffinity:
requiredDuringSchedulingIgnoredDuringExecution:
- labelSelector:
matchExpressions:
- key: app
operator: In
values:
- csi-rbdplugin-provisioner
topologyKey: "kubernetes.io/hostname"
serviceAccountName: rbd-csi-provisioner
priorityClassName: system-cluster-critical
containers:
- name: csi-provisioner
image: registry.cn-hangzhou.aliyuncs.com/google_containers/csi-provisioner:v3.3.0
args:
- "--csi-address=$(ADDRESS)"
- "--v=1"
- "--timeout=150s"
- "--retry-interval-start=500ms"
- "--leader-election=true"
# set it to true to use topology based provisioning
- "--feature-gates=Topology=false"
- "--feature-gates=HonorPVReclaimPolicy=true"
- "--prevent-volume-mode-conversion=true"
# if fstype is not specified in storageclass, ext4 is default
- "--default-fstype=ext4"
- "--extra-create-metadata=true"
env:
- name: ADDRESS
value: unix:///csi/csi-provisioner.sock
imagePullPolicy: "IfNotPresent"
volumeMounts:
- name: socket-dir
mountPath: /csi
- name: csi-snapshotter
image: registry.cn-hangzhou.aliyuncs.com/google_containers/csi-snapshotter:v6.1.0
args:
- "--csi-address=$(ADDRESS)"
- "--v=1"
- "--timeout=150s"
- "--leader-election=true"
- "--extra-create-metadata=true"
env:
- name: ADDRESS
value: unix:///csi/csi-provisioner.sock
imagePullPolicy: "IfNotPresent"
volumeMounts:
- name: socket-dir
mountPath: /csi
- name: csi-attacher
image: registry.cn-hangzhou.aliyuncs.com/google_containers/csi-attacher:v4.0.0
args:
- "--v=1"
- "--csi-address=$(ADDRESS)"
- "--leader-election=true"
- "--retry-interval-start=500ms"
- "--default-fstype=ext4"
env:
- name: ADDRESS
value: /csi/csi-provisioner.sock
imagePullPolicy: "IfNotPresent"
volumeMounts:
- name: socket-dir
mountPath: /csi
- name: csi-resizer
image: registry.cn-hangzhou.aliyuncs.com/google_containers/csi-resizer:v1.6.0
args:
- "--csi-address=$(ADDRESS)"
- "--v=1"
- "--timeout=150s"
- "--leader-election"
- "--retry-interval-start=500ms"
- "--handle-volume-inuse-error=false"
- "--feature-gates=RecoverVolumeExpansionFailure=true"
env:
- name: ADDRESS
value: unix:///csi/csi-provisioner.sock
imagePullPolicy: "IfNotPresent"
volumeMounts:
- name: socket-dir
mountPath: /csi
- name: csi-rbdplugin
# for stable functionality replace canary with latest release version
image: quay.mirrors.ustc.edu.cn/cephcsi/cephcsi:canary
args:
- "--nodeid=$(NODE_ID)"
- "--type=rbd"
- "--controllerserver=true"
- "--endpoint=$(CSI_ENDPOINT)"
- "--csi-addons-endpoint=$(CSI_ADDONS_ENDPOINT)"
- "--v=5"
- "--drivername=rbd.csi.ceph.com"
- "--pidlimit=-1"
- "--rbdhardmaxclonedepth=8"
- "--rbdsoftmaxclonedepth=4"
- "--enableprofiling=false"
- "--setmetadata=true"
env:
- name: POD_IP
valueFrom:
fieldRef:
fieldPath: status.podIP
- name: NODE_ID
valueFrom:
fieldRef:
fieldPath: spec.nodeName
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
# - name: KMS_CONFIGMAP_NAME
# value: encryptionConfig
- name: CSI_ENDPOINT
value: unix:///csi/csi-provisioner.sock
- name: CSI_ADDONS_ENDPOINT
value: unix:///csi/csi-addons.sock
imagePullPolicy: "IfNotPresent"
volumeMounts:
- name: socket-dir
mountPath: /csi
- mountPath: /dev
name: host-dev
- mountPath: /sys
name: host-sys
- mountPath: /lib/modules
name: lib-modules
readOnly: true
- name: ceph-csi-config
mountPath: /etc/ceph-csi-config/
# - name: ceph-csi-encryption-kms-config
# mountPath: /etc/ceph-csi-encryption-kms-config/
- name: keys-tmp-dir
mountPath: /tmp/csi/keys
- name: ceph-config
mountPath: /etc/ceph/
- name: oidc-token
mountPath: /run/secrets/tokens
readOnly: true
- name: csi-rbdplugin-controller
# for stable functionality replace canary with latest release version
image: quay.mirrors.ustc.edu.cn/cephcsi/cephcsi:canary
args:
- "--type=controller"
- "--v=5"
- "--drivername=rbd.csi.ceph.com"
- "--drivernamespace=$(DRIVER_NAMESPACE)"
- "--setmetadata=true"
env:
- name: DRIVER_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
imagePullPolicy: "IfNotPresent"
volumeMounts:
- name: ceph-csi-config
mountPath: /etc/ceph-csi-config/
- name: keys-tmp-dir
mountPath: /tmp/csi/keys
- name: ceph-config
mountPath: /etc/ceph/
- name: liveness-prometheus
image: quay.mirrors.ustc.edu.cn/cephcsi/cephcsi:canary
args:
- "--type=liveness"
- "--endpoint=$(CSI_ENDPOINT)"
- "--metricsport=8680"
- "--metricspath=/metrics"
- "--polltime=60s"
- "--timeout=3s"
env:
- name: CSI_ENDPOINT
value: unix:///csi/csi-provisioner.sock
- name: POD_IP
valueFrom:
fieldRef:
fieldPath: status.podIP
volumeMounts:
- name: socket-dir
mountPath: /csi
imagePullPolicy: "IfNotPresent"
volumes:
- name: host-dev
hostPath:
path: /dev
- name: host-sys
hostPath:
path: /sys
- name: lib-modules
hostPath:
path: /lib/modules
- name: socket-dir
emptyDir: {
medium: "Memory"
}
- name: ceph-config
configMap:
name: ceph-config
- name: ceph-csi-config
configMap:
name: ceph-csi-config
# - name: ceph-csi-encryption-kms-config
# configMap:
# name: ceph-csi-encryption-kms-config
- name: keys-tmp-dir
emptyDir: {
medium: "Memory"
}
- name: oidc-token
projected:
sources:
- serviceAccountToken:
path: oidc-token
expirationSeconds: 3600
audience: ceph-csi-kms

csi-rbdplugin.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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
---
kind: DaemonSet
apiVersion: apps/v1
metadata:
name: csi-rbdplugin
# replace with non-default namespace name
namespace: default
spec:
selector:
matchLabels:
app: csi-rbdplugin
template:
metadata:
labels:
app: csi-rbdplugin
spec:
serviceAccountName: rbd-csi-nodeplugin
hostNetwork: true
hostPID: true
priorityClassName: system-node-critical
# to use e.g. Rook orchestrated cluster, and mons' FQDN is
# resolved through k8s service, set dns policy to cluster first
dnsPolicy: ClusterFirstWithHostNet
containers:
- name: driver-registrar
# This is necessary only for systems with SELinux, where
# non-privileged sidecar containers cannot access unix domain socket
# created by privileged CSI driver container.
securityContext:
privileged: true
allowPrivilegeEscalation: true
image: registry.cn-hangzhou.aliyuncs.com/google_containers/csi-node-driver-registrar:v2.6.0
args:
- "--v=1"
- "--csi-address=/csi/csi.sock"
- "--kubelet-registration-path=/data/kubelet/plugins/rbd.csi.ceph.com/csi.sock"
env:
- name: KUBE_NODE_NAME
valueFrom:
fieldRef:
fieldPath: spec.nodeName
volumeMounts:
- name: socket-dir
mountPath: /csi
- name: registration-dir
mountPath: /registration
- name: csi-rbdplugin
securityContext:
privileged: true
capabilities:
add: ["SYS_ADMIN"]
allowPrivilegeEscalation: true
# for stable functionality replace canary with latest release version
image: quay.mirrors.ustc.edu.cn/cephcsi/cephcsi:canary
args:
- "--nodeid=$(NODE_ID)"
- "--pluginpath=/data/kubelet/plugins"
- "--stagingpath=/data/kubelet/plugins/kubernetes.io/csi/"
- "--type=rbd"
- "--nodeserver=true"
- "--endpoint=$(CSI_ENDPOINT)"
- "--csi-addons-endpoint=$(CSI_ADDONS_ENDPOINT)"
- "--v=5"
- "--drivername=rbd.csi.ceph.com"
- "--enableprofiling=false"
# If topology based provisioning is desired, configure required
# node labels representing the nodes topology domain
# and pass the label names below, for CSI to consume and advertise
# its equivalent topology domain
# - "--domainlabels=failure-domain/region,failure-domain/zone"
env:
- name: POD_IP
valueFrom:
fieldRef:
fieldPath: status.podIP
- name: NODE_ID
valueFrom:
fieldRef:
fieldPath: spec.nodeName
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
# - name: KMS_CONFIGMAP_NAME
# value: encryptionConfig
- name: CSI_ENDPOINT
value: unix:///csi/csi.sock
- name: CSI_ADDONS_ENDPOINT
value: unix:///csi/csi-addons.sock
imagePullPolicy: "IfNotPresent"
volumeMounts:
- name: socket-dir
mountPath: /csi
- mountPath: /dev
name: host-dev
- mountPath: /sys
name: host-sys
- mountPath: /run/mount
name: host-mount
- mountPath: /etc/selinux
name: etc-selinux
readOnly: true
- mountPath: /lib/modules
name: lib-modules
readOnly: true
- name: ceph-csi-config
mountPath: /etc/ceph-csi-config/
# - name: ceph-csi-encryption-kms-config
# mountPath: /etc/ceph-csi-encryption-kms-config/
- name: plugin-dir
mountPath: /data/kubelet/plugins
mountPropagation: "Bidirectional"
- name: mountpoint-dir
mountPath: /data/kubelet/pods
mountPropagation: "Bidirectional"
- name: keys-tmp-dir
mountPath: /tmp/csi/keys
- name: ceph-logdir
mountPath: /var/log/ceph
- name: ceph-config
mountPath: /etc/ceph/
- name: oidc-token
mountPath: /run/secrets/tokens
readOnly: true
- name: liveness-prometheus
securityContext:
privileged: true
allowPrivilegeEscalation: true
image: quay.mirrors.ustc.edu.cn/cephcsi/cephcsi:canary
args:
- "--type=liveness"
- "--endpoint=$(CSI_ENDPOINT)"
- "--metricsport=8680"
- "--metricspath=/metrics"
- "--polltime=60s"
- "--timeout=3s"
env:
- name: CSI_ENDPOINT
value: unix:///csi/csi.sock
- name: POD_IP
valueFrom:
fieldRef:
fieldPath: status.podIP
volumeMounts:
- name: socket-dir
mountPath: /csi
imagePullPolicy: "IfNotPresent"
volumes:
- name: socket-dir
hostPath:
path: /data/kubelet/plugins/rbd.csi.ceph.com
type: DirectoryOrCreate
- name: plugin-dir
hostPath:
path: /data/kubelet/plugins
type: Directory
- name: mountpoint-dir
hostPath:
path: /data/kubelet/pods
type: DirectoryOrCreate
- name: ceph-logdir
hostPath:
path: /var/log/ceph
type: DirectoryOrCreate
- name: registration-dir
hostPath:
path: /data/kubelet/plugins_registry/
type: Directory
- name: host-dev
hostPath:
path: /dev
- name: host-sys
hostPath:
path: /sys
- name: etc-selinux
hostPath:
path: /etc/selinux
- name: host-mount
hostPath:
path: /run/mount
- name: lib-modules
hostPath:
path: /lib/modules
- name: ceph-config
configMap:
name: ceph-config
- name: ceph-csi-config
configMap:
name: ceph-csi-config
# - name: ceph-csi-encryption-kms-config
# configMap:
# name: ceph-csi-encryption-kms-config
- name: keys-tmp-dir
emptyDir: {
medium: "Memory"
}
- name: oidc-token
projected:
sources:
- serviceAccountToken:
path: oidc-token
expirationSeconds: 3600
audience: ceph-csi-kms
---
# This is a service to expose the liveness metrics
apiVersion: v1
kind: Service
metadata:
name: csi-metrics-rbdplugin
# replace with non-default namespace name
namespace: default
labels:
app: csi-metrics
spec:
ports:
- name: http-metrics
port: 8080
protocol: TCP
targetPort: 8680
selector:
app: csi-rbdplugin

secret.yaml(按需修改)

1
2
3
4
5
6
7
8
9
10
---
apiVersion: v1
kind: Secret
metadata:
name: csi-rbd-secret
namespace: default
stringData:
userID: hw-k8s
userKey:
encryptionPassphrase: test_passphrase

storageclass.yaml

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
---
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
name: csi-rbd-sc
provisioner: rbd.csi.ceph.com
parameters:
clusterID: 9d739880-b7bb-4d4e-b000-e9da551bb4dd
pool: hw-k8s
imageFeatures: "layering"
csi.storage.k8s.io/provisioner-secret-name: csi-rbd-secret
csi.storage.k8s.io/provisioner-secret-namespace: default
csi.storage.k8s.io/controller-expand-secret-name: csi-rbd-secret
csi.storage.k8s.io/controller-expand-secret-namespace: default
csi.storage.k8s.io/node-stage-secret-name: csi-rbd-secret
csi.storage.k8s.io/node-stage-secret-namespace: default
csi.storage.k8s.io/fstype: ext4
reclaimPolicy: Delete
allowVolumeExpansion: true
mountOptions:
- discard

测试清单

pvc.yaml

1
2
3
4
5
6
7
8
9
10
11
12
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: rbd-pvc
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 1Gi
storageClassName: csi-rbd-sc

pod.yaml

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
---
apiVersion: v1
kind: Pod
metadata:
name: csi-rbd-demo-pod
spec:
containers:
- name: web-server
image: docker.io/library/nginx:latest
volumeMounts:
- name: mypvc
mountPath: /var/lib/www/html
volumes:
- name: mypvc
persistentVolumeClaim:
claimName: rbd-pvc
readOnly: false

参考链接:https://blog.51cto.com/u_15077536/4227941