# 2021-08-03-10:54:38+0800 Enable mtls for TopSQL cluster

- Cause: https://jira.tidbcloud.com/browse/TCOC-133 https://jira.tidbcloud.com/browse/TCOC-138
- Operation:

edit TOPSQL-dev cluster
```
kubectl get tc db -o yaml -n tidbc1379661944580704066 >> backup.yaml
kubectl edit tc db -n tidbc1379661944580704066 
# add below config to spec.tidb.config
[security]
require-secure-transport = true
```

edit TOPSQL-prod cluster
```
kubectl get tc db -o yaml -n o yaml -n tidb1379661944580734071 >> backup.yaml
kubectl edit tc -n tidb1379661944580734071
# add below config to spec.tidb.config

[security]
require-secure-transport = true
```
- Impact: `tidbc1379661944580704066 and tidb1379661944580734071 will rolling-update`
- Recovery operation: `k apply -f backup.yaml`
- Time window: `2021-08-03-11:00:38+0800~2021-08-03-11:05:38+0800`