mirror of
https://github.com/TECHNOFAB11/zfs-localpv.git
synced 2025-12-12 14:30:12 +01:00
This PR adds support to allow the CSI driver to pick up a node matching the topology specified in the storage class. Admin can specify allowedTopologies in the StorageClass to specify the nodes where the zfs pools are setup
```yaml
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
name: openebs-zfspv
allowVolumeExpansion: true
parameters:
blocksize: "4k"
compression: "on"
dedup: "on"
thinprovision: "yes"
poolname: "zfspv-pool"
provisioner: zfs-localpv
volumeBindingMode: WaitForFirstConsumer
allowedTopologies:
- matchLabelExpressions:
- key: kubernetes.io/hostname
values:
- gke-zfspv-pawan-default-pool-c8929518-cgd4
- gke-zfspv-pawan-default-pool-c8929518-dxzc
```
Note: This PR picks up the first node from the list of nodes available.
Signed-off-by: Pawan <pawan@mayadata.io>
129 lines
3.1 KiB
YAML
129 lines
3.1 KiB
YAML
apiVersion: storage.k8s.io/v1
|
|
kind: StorageClass
|
|
metadata:
|
|
name: openebs-zfspv
|
|
allowVolumeExpansion: true
|
|
parameters:
|
|
blocksize: "4k"
|
|
compression: "on"
|
|
dedup: "on"
|
|
thinprovision: "yes"
|
|
poolname: "zfspv-pool"
|
|
provisioner: zfs-localpv
|
|
volumeBindingMode: WaitForFirstConsumer
|
|
allowedTopologies:
|
|
- matchLabelExpressions:
|
|
- key: kubernetes.io/hostname
|
|
values:
|
|
- gke-zfspv-pawan-default-pool-c8929518-cgd4
|
|
- gke-zfspv-pawan-default-pool-c8929518-dxzc
|
|
---
|
|
kind: PersistentVolumeClaim
|
|
apiVersion: v1
|
|
metadata:
|
|
name: csi-zfspv
|
|
spec:
|
|
storageClassName: openebs-zfspv
|
|
accessModes:
|
|
- ReadWriteOnce
|
|
resources:
|
|
requests:
|
|
storage: 4Gi
|
|
---
|
|
apiVersion: v1
|
|
kind: ConfigMap
|
|
metadata:
|
|
annotations:
|
|
name: sqltest
|
|
namespace: default
|
|
data:
|
|
sql-test.sh: |
|
|
#!/bin/bash
|
|
|
|
DB_PREFIX="Inventory"
|
|
DB_SUFFIX=`echo $(mktemp) | cut -d '.' -f 2`
|
|
DB_NAME="${DB_PREFIX}_${DB_SUFFIX}"
|
|
|
|
|
|
echo -e "\nWaiting for mysql server to start accepting connections.."
|
|
retries=10;wait_retry=30
|
|
for i in `seq 1 $retries`; do
|
|
mysql -uroot -pk8sDem0 -e 'status' > /dev/null 2>&1
|
|
rc=$?
|
|
[ $rc -eq 0 ] && break
|
|
sleep $wait_retry
|
|
done
|
|
|
|
if [ $rc -ne 0 ];
|
|
then
|
|
echo -e "\nFailed to connect to db server after trying for $(($retries * $wait_retry))s, exiting\n"
|
|
exit 1
|
|
fi
|
|
mysql -uroot -pk8sDem0 -e "CREATE DATABASE $DB_NAME;"
|
|
mysql -uroot -pk8sDem0 -e "CREATE TABLE Hardware (id INTEGER, name VARCHAR(20), owner VARCHAR(20),description VARCHAR(20));" $DB_NAME
|
|
mysql -uroot -pk8sDem0 -e "INSERT INTO Hardware (id, name, owner, description) values (1, "dellserver", "basavaraj", "controller");" $DB_NAME
|
|
mysql -uroot -pk8sDem0 -e "DROP DATABASE $DB_NAME;"
|
|
---
|
|
apiVersion: apps/v1
|
|
kind: Deployment
|
|
metadata:
|
|
name: percona
|
|
labels:
|
|
name: percona
|
|
spec:
|
|
replicas: 1
|
|
selector:
|
|
matchLabels:
|
|
name: percona
|
|
template:
|
|
metadata:
|
|
labels:
|
|
name: percona
|
|
spec:
|
|
containers:
|
|
- resources:
|
|
name: percona
|
|
image: openebs/tests-custom-percona:latest
|
|
imagePullPolicy: IfNotPresent
|
|
args:
|
|
- "--ignore-db-dir"
|
|
- "lost+found"
|
|
env:
|
|
- name: MYSQL_ROOT_PASSWORD
|
|
value: k8sDem0
|
|
ports:
|
|
- containerPort: 3306
|
|
name: percona
|
|
volumeMounts:
|
|
- mountPath: /var/lib/mysql
|
|
name: demo-vol1
|
|
- mountPath: /sql-test.sh
|
|
subPath: sql-test.sh
|
|
name: sqltest-configmap
|
|
livenessProbe:
|
|
exec:
|
|
command: ["bash", "sql-test.sh"]
|
|
initialDelaySeconds: 30
|
|
periodSeconds: 1
|
|
timeoutSeconds: 10
|
|
volumes:
|
|
- name: demo-vol1
|
|
persistentVolumeClaim:
|
|
claimName: csi-zfspv
|
|
- name: sqltest-configmap
|
|
configMap:
|
|
name: sqltest
|
|
|
|
---
|
|
apiVersion: v1
|
|
kind: Service
|
|
metadata:
|
|
name: percona-mysql
|
|
labels:
|
|
name: percona-mysql
|
|
spec:
|
|
ports:
|
|
- port: 3306
|
|
targetPort: 3306
|
|
selector:
|
|
name: percona
|