Running MongoDB queries with only kubectl access

If you have kubectl access but no UI access or area already logged in to kubectl and want to run a mongo query you can use the following: 

4.X Command Line Connection Example

The mongo client and mongodump commands are available in the mongo-replicaset container. Here are some sample commands for navigating.

1. Find the service: 

   kubectl get svc --all-namespaces -l app.kubernetes.io/name=mongodb-replicaset

2. Describe the service to get endpoint IPs: 

   kubectl describe svc --all-namespaces -l app.kubernetes.io/name=mongodb-replicaset

3. Find mongo secrets: 

   kubectl get secret --all-namespaces | grep mongo-replicaset-admin

4. Retrieve credentials:

   kubectl get secret -n <domino-platform-namespace> mongodb-replicaset-admin -o yaml

5. Decode strings from secrets yaml:

   1echo <user> | base64 --decode; echo; echo <password> | base64 --decode

6. Connect into the replicaset pod: 

   kubectl exec -it -n <domino-platform-namespace> mongodb-replicaset-0 bash
7. Connect to db to run commands:

mongo --username admin

8. Access domino database