Enabling the telemetry network communication for Cloudera Observability On-Premises

Learn how to enable the network communication between Telemetry Publisher and Cloudera Observability On-Premises.

Describes how to configure the host URL and access credentials for Telemetry Publisher.
Verify that you have the following values before enabling the Telemetry Publisher service, as you will be required to supply their values during this task.
  • The Telemetry Publisher access credentials, which are required to register the Telemetry Publisher account.
  • The name of the node that contains the Observability Databus API Server role, by doing the following:
    1. In Cloudera Manager, select Hosts and then Roles.
    2. Search for the Observability Databus API Server role and record its host name. For example:
      Figure 1. Roles on the Cloudera Observability On-Premises Cluster

  1. In a supported web browser on a Workload cluster, log in to Cloudera Manager.
  2. In Cloudera Manager, select Clusters, locate and select Cloudera Management Service, and then select the Configuration tab.
  3. Search for the Telemetry Publisher Advanced Configuration Snippet (Safety Valve) for telemetrypublisher.conf property and in its text field, enter the following using the Cloudera Observability On-Premises Database API Server host name that you recorded as a prerequisite for these steps:
    • If you have enabled TLS/SSL for the Databus API Server (ssl.enabled), enter https.
    • If you have not enabled TLS/SSL for the Databus API Server, enter http.
  4. Click Save Changes.
  5. Back in the Cloudera Manager Home page, from the navigation panel, select Administration and then External Accounts.
  6. In the External Accounts page, click the Altus Credentials tab, which displays your resource access account certificates.
  7. Add a new Telemetry Publisher access account certificate by clicking Add Access Key Authentication and then in the Add Access Key Authentication dialog box do the following:
    1. In the Name field, enter an identifiable name for the Telemetry Publisher access key account.
    2. In the Access Key ID field, enter the Telemetry Publisher access key text exactly as provided without trailing spaces.
    3. From the Private Key list, select Choose File and then browse and select your Telemetry Publisher private key file.
    4. Click Add, which saves the credentials as an Altus account certificate using the account name you provided and adds it on the Altus Credentials External Accounts page.
  8. Back in the Cloudera Manager Home page, from the navigation panel, select Administration and then Settings.
  9. Under the Filter CATEGORY section, select Altus, which populates the Settings page with your Telemetry Publisher access key accounts.
  10. In the filtered result, select the Telemetry Publisher Altus account credential that you require for this Workload Cluster. In this case, the name you provided in step 7a.
  11. Click Save Changes.