Expose MySQL on NodePort

[obriensystems]

Summary

• expose MySQL service using a NodePort
• document direct access via NodePort

Testing

• mvn -q test (fails: mvn not installed)

---

https://chatgpt.com/codex/tasks/task_e_684c2cfbe318832eb3ac380f623a5a80

[obriensystems]

LGTM

[obriensystems]

testing

(venv-t214) michaelobrien@mbp8 kubernetes % git pull
remote: Enumerating objects: 14, done.
remote: Counting objects: 100% (14/14), done.
remote: Compressing objects: 100% (8/8), done.
Unpacking objects: 100% (8/8), 1.60 KiB | 273.00 KiB/s, done.
remote: Total 8 (delta 7), reused 0 (delta 0), pack-reused 0 (from 0)
From github.com:ObrienlabsDev/biometric-backend
   09fa700..887db79  main                                       -> origin/main
 * [new branch]      codex/expose-3306-port-as-nodeport-in-yaml -> origin/codex/expose-3306-port-as-nodeport-in-yaml
Updating 09fa700..887db79
Fast-forward
 README.md                                       | 15 +++++++++++++++
 biometric-nbi/src/kubernetes/mysql-service.yaml |  3 ++-
 2 files changed, 17 insertions(+), 1 deletion(-)
(venv-t214) michaelobrien@mbp8 kubernetes % ./deploy.sh 
namespace/mysql unchanged
secret/mysql-secret configured
persistentvolume/mysql-pv-volume unchanged
persistentvolumeclaim/mysql-pv-claim unchanged
secret/mysql-secret configured
deployment.apps/mysql unchanged
The Service "mysql" is invalid: spec.clusterIPs[0]: Invalid value: "None": may not be set to 'None' for NodePort services

[obriensystems]

delete the service first

(venv-t214) michaelobrien@mbp8 kubernetes % kubectl delete service mysql -n mysql
kubectl apply -f biometric-nbi/src/kubernetes/mysql-service.yaml

service "mysql" deleted

(venv-t214) michaelobrien@mbp8 kubernetes % ./deploy.sh 
namespace/mysql unchanged
secret/mysql-secret configured
persistentvolume/mysql-pv-volume unchanged
persistentvolumeclaim/mysql-pv-claim unchanged
secret/mysql-secret configured
deployment.apps/mysql unchanged
service/mysql created

[obriensystems]

get nodeport 30306 working with #29

(venv-t214) michaelobrien@mbp8 kubernetes % kubectl get service -n mysql
NAME    TYPE       CLUSTER-IP       EXTERNAL-IP   PORT(S)          AGE
mysql   NodePort   10.100.210.157   <none>        3306:30306/TCP   5m34s
(venv-t214) michaelobrien@mbp8 kubernetes % kubectl get pods -n mysql
NAME                    READY   STATUS    RESTARTS   AGE
mysql-9fbfc4867-bj4gz   1/1     Running   0          50m