- kubernetes cluster is ready if not Follow this blog.
kubectl get nodes -o wideOUTPUT
NAME STATUS ROLES AGE VERSION INTERNAL-IP EXTERNAL-IP OS-IMAGE KERNEL-VERSION CONTAINER-RUNTIME
kubmaster Ready control-plane 5h26m v1.28.15 192.168.10.6 <none> Debian GNU/Linux 12 (bookworm) 6.1.0-32-cloud-amd64 containerd://1.7.27
kubnode1 Ready <none> 5h3m v1.28.15 192.168.10.5 <none> Debian GNU/Linux 12 (bookworm) 6.1.0-35-cloud-amd64 containerd://1.7.27
kubnode2 Ready <none> 5h2m v1.28.15 192.168.10.7 <none> Debian GNU/Linux 12 (bookworm) 6.1.0-35-cloud-amd64 containerd://1.7.27
Create file kamailio-namespace.yaml
vim kamailio-namespace.yamlpaste the following content
# kamailio-namespace.yaml
apiVersion: v1
kind: Namespace
metadata:
name: kamailioApply It
kubectl apply -f kamailio-namespace.yamlcreate file mysql-pv.yaml
vim mysql-pv.yamlpaste the following content in the file
apiVersion: v1
kind: PersistentVolume
metadata:
name: mysql-pv
namespace: kamailio
spec:
storageClassName: manual
capacity:
storage: 3Gi
accessModes:
- ReadWriteOnce
hostPath:
path: "/mnt/data/mysql"apply it
kubectl apply -f mysql-pv.yamlconfirmation command
kubectl get pv -A
NAME CAPACITY ACCESS MODES RECLAIM POLICY STATUS CLAIM STORAGECLASS REASON AGE
mysql-pv 3Gi RWO Retain Available kamailio/mysql-pvc manual 5h16mImportant
Status must be Available
create file mysql-configmap.yaml
vim mysql-configmap.yamlpaste the following content in the file
# mysql-configmap.yaml
apiVersion: v1
kind: ConfigMap
metadata:
name: mysql-config
namespace: kamailio
data:
my.cnf: |
[mysqld]
default-authentication-plugin=mysql_native_password
skip-name-resolve
max_connections=1000create file mysql-secret.yaml
vim mysql-secret.yamlcopy and paste the following content in the file
# mysql-secret.yaml
apiVersion: v1
kind: Secret
metadata:
name: mysql-secrets
namespace: kamailio
type: Opaque
data:
mysql-root-password: MTIzNDU2Nw==
mysql-password: MTIzNDU2Nw==password must be base64 encrypted
echo -n 1234567 | base64 OUTPUT
MTIzNDU2Nw==
create file mysql-pvc.yaml
vim mysql-pvc.yamlcopy and paste the following content in the file
# mysql-pvc.yaml
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: mysql-pvc
namespace: kamailio
spec:
storageClassName: manual
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 3Gicreate file mysql-deployment.yaml
vim mysql-deployment.yamlcopy and paste the following content in the file
# mysql-deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: mysql
namespace: kamailio
spec:
selector:
matchLabels:
app: mysql
strategy:
type: Recreate
template:
metadata:
labels:
app: mysql
spec:
containers:
- name: mysql
image: mysql:5.7
env:
- name: MYSQL_ROOT_PASSWORD
valueFrom:
secretKeyRef:
name: mysql-secrets
key: mysql-root-password
- name: MYSQL_PASSWORD
valueFrom:
secretKeyRef:
name: mysql-secrets
key: mysql-password
- name: MYSQL_USER
value: "kamailio"
- name: MYSQL_DATABASE
value: "kamailio"
ports:
- containerPort: 3306
name: mysql
volumeMounts:
- name: mysql-persistent-storage
mountPath: /var/lib/mysql
- name: mysql-config
mountPath: /etc/mysql/conf.d
volumes:
- name: mysql-persistent-storage
persistentVolumeClaim:
claimName: mysql-pvc
- name: mysql-config
configMap:
name: mysql-configcreate file mysql-service.yaml
vim mysql-service.yamlcopy and paste the following content in the file
apiVersion: v1
kind: Service
metadata:
name: mysql
namespace: kamailio
spec:
type: NodePort
ports:
- port: 3306
targetPort: 3306
nodePort: 30306
selector:
app: mysqlApply all of the files
kubectl apply -f mysql-configmap.yaml -f mysql-secret.yaml -f mysql-pvc.yaml -f mysql-deployment.yaml -f mysql-service.yamlCheck the pod
kubectl get pods -n kamailio
OUTPUT
NAMESPACE NAME READY STATUS RESTARTS AGE
kamailio mysql-d4b767577-58v2n 1/1 Running 0 5h15m
Check PV Status
kubectl get pv -AOUTPUT
NAME CAPACITY ACCESS MODES RECLAIM POLICY STATUS CLAIM STORAGECLASS REASON AGE
mysql-pv 3Gi RWO Retain Bound kamailio/mysql-pvc manual 8m42s
Confirm nameserver IP
kubectl -n kamailio exec -it mysql-5448dbc87f-5gm97 -- cat /etc/resolv.confOUTPUT
search kamailio.svc.cluster.local svc.cluster.local cluster.local
nameserver 10.96.0.10
options ndots:5
kubectl port-forward --address 192.168.10.6 pod/mysql-d4b767577-58v2n -n kamailio 3306:3306This command will start listening on master node IP 192.168.10.6:3306 and forward all traffic to mysql pod port 3306.
Enjoy 😉
