Performance Monitoring

This is a Push/Action monitoring setup for when we run Load/Performance Tests on AppStudio

Runs Prometheus, Pushgateway Grafana, and Contains a gopkg which communicates with each other to gather and display metrics that are captured during StoneSoup Performance/Load Tests

This application consists of 3 components

• Push gateway
• Prometheus
• Grafana

Deployment

For this application, the above 3 components have to be deployed

Pushgateway

The pre-configured yaml file

To deploy this component in RHTAP, Create a project and add Pushgateway as a component. It’ll use the configuration mentioned earlier to deploy. You can edit the configuration file, if and when necessary.

Prometheus

Before deploying Prometheus, we should make a config map. Here is a sample config map reference. Edit the file accordingly.

Then, use this deployment yaml to deploy it in RHTAP

Grafana

To deploy Grafana in RHTAP, here are the necessary steps

• Create secrets
• Configure those variables in this file

The below fields are mandatory

GF_DATABASE_URL - URL to any Database (like RDS)

GF_DATABASE_TYPE - Provide the type DB (like POSTGRES)

GF_SECURITY_ADMIN_PASSWORD - Password of that DB

GF_SECURITY_ADMIN_USER - Username of that DB

GF_INSTALL_PLUGINS is an optional one

Next steps

• Get the offline token
• Get access token
• oc login
• cd to secret.yaml
• Run oc apply

These commands will help in configuring the secret

After configuring the secrets

Import grafana component to RHTAP

Upload metrics data to this application

Once this application is deployed, the next step is to upload the data to push the gateway

• Initialize an object for NewMetricController with the Pushgateway URL

  Reference code

    controller := metrics.NewMetricController("URL", "load")
    controller.InitPusher();
  

• Use the PushMetrics function to upload the data.

  Reference code

  controller.PushMetrics(constants.CollectorUsers,constants.MetricTypeCounter,constants.MetricSuccessfulUserCreationsCounter)

1. Here is a tester code
2. Use these code blocks as a reference for uploading data to push the gateway