使用 Kubernetes sidecar 模式连接到 Cloud SQL。遵循此处的说明:https ://cloud.google.com/sql/docs/postgres/connect-kubernetes-engine
cloudsql-proxy 容器出现错误:
2017/12/22 14:34:02 couldn't connect to "beliefer-4342:us-central1:beliefer-4342-cloud-instance": Post https://www.googleapis.com/sql/v1beta4/projects/beliefer-4342/instances/beliefer-4342-cloud-instance/createEphemeral?alt=json: oauth2: cannot fetch token: 400 Bad Request
Response: {
"error" : "invalid_grant",
"error_description" : "Invalid JWT Signature."
}