How to connect to Managed MongoDB instance from Grafana's MongoDB plugin?

I have tried everything I could think of to get MongoDB visualizations in my Grafana Cloud. Grafana has an option for a “Private Datasource Connect,” which creates a VPN tunnel, however, since it’s a managed MongoDB instance, I cannot ssh into it to install an agent. So, I added all 47 current Grafana Hosted Metrics IPs to the Trusted Sources of my db cluster, thinking it was a firewall issue, but that still did not work.

I receive this error in Grafana:

The connection can not be established. Error: server selection error: server selection timeout, current topology: { Type: ReplicaSetNoPrimary, Servers: [{ Addr: <my-cluster-name>, Type: Unknown, Last error: dial tcp <my.ip.address>:27017: i/o timeout }, ] }

The credentials are set in the Authentication section, and my connection string is mongodb+srv://<my-cluster-name><my-cluster-name>

Grafana does not accept the mongodb+srv://username:password format. Surely I’m just doing something incorrectly and there is a way to get visualizations for my managed Mongo instance in Grafana?

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Bobby Iliev
Site Moderator
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June 16, 2024

Hey Chris!

Noticed that you’ve got this working as per the discussion on the Grafana community here:

It looks like the issue was resolved by using a new API key for the :9216 scraping portion, allowing you to successfully pull metrics from your managed MongoDB instance with the mongodb_exporter Docker container.

Happy to hear that it’s all working now!

- Bobby

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