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pxc-node3 pxc-node3 capttofu/percona_xtradb_cluster_5_6:beta name=pxc-node3 1
NAME READY STATUS RESTARTS AGE
pxc-node1-h6fqr 1/1 Running 0 41m
pxc-node2-sfqm6 1/1 Running 0 41m
pxc-node3-017b3 1/1 Running 0 40m
NAME LABELS SELECTOR IP(S) PORT(S)
pxc-cluster <none> unit=pxc-cluster 10.100.179.58 3306/TCP
pxc-node1 <none> name=pxc-node1 10.100.217.202 3306/TCP
4444/TCP
4567/TCP
4568/TCP
pxc-node2 <none> name=pxc-node2 10.100.47.212 3306/TCP
4444/TCP
4567/TCP
4568/TCP
pxc-node3 <none> name=pxc-node3 10.100.200.14 3306/TCP
4444/TCP
4567/TCP
4568/TCP
```
The cluster should be ready for use!
### Connecting to the cluster
Using the name of ```pxc-cluster``` service running interactively using ```kubectl exec```, it is possible to connect to any of the pods using the mysql client on the pod's container to verify the cluster size, which should be ```3```. In this example below, pxc-node3 replication controller is chosen, and to find out t...
```
$ kubectl get pods|grep pxc-node3|awk '{ print $1 }'
pxc-node3-0b5mc
$ kubectl exec pxc-node3-0b5mc -i -t -- mysql -u root -p -h pxc-cluster
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 5
Server version: 5.6.24-72.2-56-log Percona XtraDB Cluster (GPL), Release rel72.2, Revision 43abf03, WSREP version 25.11, wsrep_25.11
Copyright (c) 2009-2015 Percona LLC and/or its affiliates
Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> show status like 'wsrep_cluster_size';
+--------------------+-------+
| Variable_name | Value |
+--------------------+-------+
| wsrep_cluster_size | 3 |
+--------------------+-------+
1 row in set (0.06 sec)
```
At this point, there is a working cluster that can begin being used via the pxc-cluster service IP address!
### TODO
This setup certainly can become more fluid and dynamic. One idea is to perhaps use an etcd container to store information about node state. Originally, there was a read-only kubernetes API available to each container but that has since been removed. Also, Kelsey Hightower is working on moving the functionality of confd...
<|endoftext|>
# source: k8s_examples/_archived/storage/rethinkdb/admin-pod.yaml type: yaml
apiVersion: v1
kind: Pod
metadata:
labels:
db: rethinkdb
role: admin
name: rethinkdb-admin
spec:
containers:
- image: registry.k8s.io/rethinkdb:1.16.0_1
name: rethinkdb
env:
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
ports:
- containerPort: 8080
name: admin-port
- containerPort: 28015
name: driver-port
- containerPort: 29015
name: cluster-port
volumeMounts:
- mountPath: /data/rethinkdb_data
name: rethinkdb-storage
volumes:
- name: rethinkdb-storage
emptyDir: {}
<|endoftext|>
# source: k8s_examples/_archived/storage/rethinkdb/admin-service.yaml type: yaml
apiVersion: v1
kind: Service