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Configure Monitoring Agent for LDAP

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If your MongoDB deployment enforces access control, the Monitoring Agent must authenticate to MongoDB as a user with the proper access. If you use Automation, Ops Manager takes care of this for you.

MongoDB Enterprise supports simple and SASL binding to LDAP servers via saslauthd and operating system libraries:

  • MongoDB Enterprise for Linux can bind to an LDAP server either via saslauthd or via operating system libraries.
  • MongoDB Enterprise for Windows can bind to an LDAP server via the operating system libraries.

Monitoring Agent support authenticating to MongoDB instances using LDAP.


Ops Manager can manage Agent authentication for you if you enable Automation. With Automation, Ops Manager creates the users for each Agent and configures the Agent appropriately. To learn more about authentication, see Enable LDAP Authentication for your Ops Manager Project.


You must configure LDAP authentication separately for each agent. See Configure Backup Agent for LDAP Authentication for configuration instructions for the Backup Agent.

You can configure LDAP authentication when adding a host or by editing an existing host. See Enable LDAP Authentication for your Ops Manager Project for instructions.

There are additional authentication configuration requirements for Ops Manager Monitoring when using MongoDB 2.4 with authentication. See Required Access for Monitoring Agent for more information.


Create User in MongoDB

To monitor MongoDB 2.6+ instances that are using LDAP authentication, add a user that possess the required roles to the $external database in MongoDB. The $external database allows mongod to consult an external source, such as an LDAP server, to authenticate.

Use the following commands to create the users from a mongo shell connected to your MongoDB deployment:

      user : "<username>",
      roles: [ { role: "clusterMonitor", db: "admin" } ]

See Required Access for Monitoring Agent for more information on the required access.

Host Settings

MongoDB agents interact with the MongoDB databases in your deployment as a MongoDB user would. Each agent must be authenticated and then granted privileges according to what their roles are on your deployment. As a result, you must configure your MongoDB deployment and your agents to support authentication.

You can specify the deployment’s authentication mechanisms when adding the deployment, or you can edit the settings for an existing deployment. At minimum, the deployment must enable the authentication mechanism you want the agents to use.

Adding an agent as a MongoDB user requires configuring an authentication mechanism. Agents can use any supported authentication mechanism, but all agents must use the same mechanism.