我遇到了一个公开在kubernetes集群中运行的mysql数据库的问题 . 群集在AWS上使用kops运行 . 我使用舵图表进行nginx-ingress:https://github.com/helm/charts/tree/master/stable/nginx-ingress
controller:
config:
use-proxy-protocol: "true"
metrics:
enabled: true
replicaCount: 2
service:
annotations:
service.beta.kubernetes.io/aws-load-balancer-proxy-protocol: '*'
stats:
enabled: true
rbac:
create: true
tcp:
5000: default/cbioportal-prod-db-mysql:3306
在集群内,我可以通过端口5000通过nginx telnet到db:
# telnet eating-dingo-nginx-ingress-controller 5000
J
5.7.14
ke_|c&tc"ui%]}mysql_native_passwordConnection closed by foreign host
但我似乎无法使用aws负载均衡器的主机名从外部连接 .
telnet xxx.us-east-1.elb.amazonaws.com 5000
Trying x.x.x.x...
当我查看aws ec2仪表板时,我看到负载均衡器的安全组允许来自端口5000上的任何地方的连接 .
UPDATE
当我使用端口3306而不是5000时,我可以连接:
tcp:
3306: default/cbioportal-prod-db-mysql:3306
但是现在端口是打开的:
$ nmap --verbose -Pn x.x.x.x
PORT STATE SERVICE
21/tcp open ftp
80/tcp open http
443/tcp open https
3306/tcp open mysql
我收到授权问题:
$ mysql -h x.x.x.x -uroot -pabcdef
mysql: [Warning] Using a password on the command line interface can be insecure.
ERROR 2013 (HY000): Lost connection to MySQL server at 'reading authorization packet', system error: 2
我可以直接连接到nginx控制器,而不会在集群中出现问题:
kubectl run -it --rm --image=mysql:5.7 --restart=Never mysql-client -- mysql -h eating-dingo-nginx-ingress-controller -uroot -pabcdef
我正在使用这个mysql头盔图: