You can define alert rules for your CDP Private Cloud Data Services deployment
based on PromQL expressions. The alerts are automatically
triggered when specific events occur in your deployment. You can view the triggered alerts
on the Management Console dashboard. Any alert receivers that you have already configured
start sending notifications to specified endpoints.
You can configure alert rules only if you have
administrator privileges.
Management Console supports two types of alert rules: built-in and custom.
Built-in alert rules are system-generated, and therefore, you cannot add or
remove them. You can only enable, disable, or edit certain details
associated with them.
You can create custom alert rules based on your requirements. Further, you
can edit, delete, enable, or disable them.
To access the Management Console, click Data Services in
Cloudera Manager, then click Open CDP Private Cloud Data
Services, then click Management Console.
On the Management Console home page, select Administration >
Alerts.
On the Alerts page, click Add Alert Rule.
Configure the following options for adding an alert rule in the pop-up
window:
Field
Description
Name
The name of the alert rule. You cannot use spaces or
special characters in the name.
Severity
Specify the severity: Critical or
Warning.
Enable Alert
Select this checkbox to enable the alert rule.
Message
The alert rule text. You can use PromQL labels to denote
entities such as jobs in the text.
For more information
about using PromQL labels, see Alerting
Rules.
Summary
A brief summary of the alert rule.
Time Period
The duration for which the PromQL expression must be
true. If the expression continues to be true after the
specified duration, the configured alert is automatically
triggered.
Source
The CDP Private Cloud components for which the alert rule
applies. You can select one of the following options as the
source:
All Environments and Control
Plane
Environments
Control Plane
A specific environment from the list of configured
environments
PromQL Expression
The query expression in PromQL. The alert is issued when
this expression is true for the time period specified in the
For Clause.
Generated Query
The query that is generated for a selected workload type
depending on the specified PromQL expression.
You can
view the query by clicking Show Generated
Query.
Test PromQL Expression
You can click this option to test the query expression
generated for the combination of a selected source and
workload type.
If you select one of All
Environments and Control Plane,
Environments, or
Control Plane as the source
for the PromQL query, it runs only on the
control plane. To run the query on an environment, you
must select a specific environment as the
source.
Click Add Alert Rule.
The new alert rule is listed on the Alerts page under Alerting Rules.
Optional: Repeat steps 4 and 5 to add more alert rules.