Create Maintenance Window

Other

Creates a maintenance window in Dynatrace

Install now

Create Maintenance Window

Creates a maintenance window in Dynatrace

Other

Install now

Create Maintenance Window

Other

Creates a maintenance window in Dynatrace

Install now

Create Maintenance Window

Creates a maintenance window in Dynatrace

Other

Install now

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Introduction

When executing chaos experiments, you may want to mute your dynatrace alerts not to bother your ops colleagues. You can do this with this action.

To create a maintenance window the step can be dragged&dropped into the experiment editor.

Use Cases

Avoid false positives in your monitoring system
Avoid alerting your ops colleagues during chaos experiments
Avoid to distract your baselines during chaos experiments

Parameters

Parameter	Description	Default
Duration	How long should the maintenance window exist?	30s
Problem detection and alerting	Behaviour of the maintenance window. See details here	Detect problems and alert

Useful Templates

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Dynatrace should detect a crash looping as problem

Verify that Dynatrace alerts you on pods not being ready to accept traffic for a certain amount of time.

Motivation

Kubernetes features a readiness probe to determine whether your pod is ready to accept traffic. If it isn't becoming ready, Kubernetes tries to solve it by restarting the underlying container and hoping to achieve its readiness eventually. If this isn't working, Kubernetes will eventually back off to restart the container, and the Kubernetes resource remains non-functional.

Structure

First, check that Dynatrace has no problems for an entity and doesn't alert already on non-ready containers. As soon as one of the containers is crash looping, caused by the Steadybit attack crash loop, Dynatrace should detect the problem and alert to ensure your on-call team is taking action.

Solution Sketch

Kubernetes liveness, readiness, and startup probes

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