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Blackhole Zone

Attack

Attack

Simulates an outage of an entire availability zone.
Install now

Blackhole Zone

Simulates an outage of an entire availability zone.
Attack

Attack

Targets:

Zones

Install now

Blackhole Zone

Attack

Attack

Simulates an outage of an entire availability zone.
Install now

Blackhole Zone

Simulates an outage of an entire availability zone.
Attack

Attack

Targets:

Zones

Install now
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Introduction

Block all traffic for a selected availability zone.

Steadybit will add a network ACL to every subnet in every VPC in the selected zone.

The Attack won't start if you select a zone, where the agent or the extension is running in.

Use Cases

  • Understand how your services behave under a complete availability zone outage

Parameters

ParameterDescriptionDefault
DurationHow long should traffic been blocked?30s
Statistics
-Stars
Tags
AWS
Cloud
Homepage
hub.steadybit.com/extension/com.steadybit.extension_aws
License
MIT
MaintainerSteadybit
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Useful Templates

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Load balancer covers an AWS zone outage

AWS achieves high availability via redundancy across different Availability Zones. Ensure that failover works seamlessly by simulating Zone outages.

Motivation

AWS hosts your deployments and services across multiple locations worldwide. From a reliability standpoint, AWS regions and Availability Zones are most interesting. While the former refers to separate geographic areas spread worldwide, the latter refers to an isolated location within a region. For most use cases, applying deployments across AWS availability zone is sufficient. Given that failures may happen at this level quite frequently, you should verify that your applications are still working in case of an outage.

Structure

We leverage the AWS blackhole attack to simulate an AWS availability zone outage. Before the simulated outage, we ensure that a load-balanced user-facing endpoint works appropriately. During an AWS availability zone's unavailability, the HTTP endpoint must continue operating but may suffer from degraded performance (e.g., lower success rate or higher response time). The performance should recover as soon as the zone is back again.

Solution Sketch

  • Regions and Zones
  • Kubernetes liveness, readiness, and startup probes
Redundancy
AWS

Zones

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