Monitoring with the Alert tab
In this section, we will take a peek at the Alert tab. We will take a much more in-depth look at alerting in Chapter 12, Monitoring Data Streams with Grafana Alerts, so at this point, I just want to show how alert creation, which we saw briefly in the last chapter, is tied to the panel visualization. Clicking on Create an alert rule from this panel will bring up an interface that can also be displayed by selecting Alerting | Alert rules | Create alert rule from the side menu.
Figure 3.15 – Alert rule creation
The interface will automatically select queries from the panel. It is from those queries that you select the one that will serve as the alert monitor. While we don’t have the necessary knowledge to do so yet, ultimately you be looking to create a query or expression that will answer the question, “During the evaluation time period, is there a condition that requires the triggering of an alert?”...