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Version: 3.0.0-beta8

Why should you choose Litmus?

The goal of the LitmusChaos project is to create a complete solution to implement chaos engineering at scale, the Kubernetes way! Of course, this had to be done incrementally by first creating a toolset for chaos injection and then adding additional features to make it a platform. Litmus 1.x achieved the goal of keeping it completely open-source, creating a ChaosHub and the required CRDs, Operators, and Schedulers. With Litmus 1.x, users have a working chaos engineering toolset aligned with the original goals.

Over time, with the monthly cadence releases and community engagement, we have added a lot of features and made LitmusChaos much easier for the end-users. With the launch of Litmus 2.0, a new way of chaos engineering can be performed by the users, a few high-level features are mentioned below, however a detailed list can be found on the release page.

Advantages of Litmus 2.0

A high-level feature overview of Litmus 2.0 are as follows

  • The Addition of Chaos Scenario creation, Chaos experiments become building blocks of a Chaos Scenario, to allow users to create a larger chaos scenario using sequential or parallel experiment executions.
  • Addition of ChaosCenter where you can take advantage of all these features and a lot more
    • Chaos Scenario Creation
      • From Templates, Custom Chaos Scenarios from Scratch (using ChaosHubs), From pre-created YAMLs
      • Chaos Experiments Sequence Control (Parallel as well as Sequential steps creation)
      • Creation of either Singular or Cron Chaos Scenarios as Schedules
      • Attaching priority to Chaos Experiments based on your use cases
    • Users & Teams
      • Creation of Users with Role Based Access Control
      • Creating a Team of multiple Users
      • Authenticating Users
    • Monitoring & Observability
      • Connect a Data Source (from any Chaos Delegate) and monitor Chaos Scenarios
      • Visualize chaos scenario run statistics and aggregated schedules
      • Compare two or more Chaos Scenarios
      • Upload shared/downloadable dashboards available in the community
      • Edit queries, Tune dashboards to create a custom one from scratch
      • Monitor effect of chaos in real time with interleaved events and metrics from Prometheus Datasource
    • Chaos Scenario Management
      • Rolling out automated changes using GitOps
      • Allowing image addition from custom image server (both public and private)
      • Measure and Analyse the Resilience Score of each chaos scenario

Litmus itself is composed of microservices. And we made sure that by adding the above features for 2.0, seamlessly integrates the additional microservices in conjunction with the existing one. Litmus 2.0 is completely backwards compatible. No features are deprecated.

The migration path is about constructing new artifacts such as Chaos Scenarios that include the current chaos experiments in use by the users.

Feature Comparison between 1.x and 2.0

Below is a high level comparison between Litmus 1.x and Litmus 2.0 providing a holistic view of the feature additions you get in Litmus 2.0.

Litmus 1.xLitmus 2.0
ExperimentsChaos Scenarios
Per userTeams (Multi Tenant)
Per clusterPer organisation (Cross Cloud)
Only Public ChaosHubPublic and Private ChaosHubs
CLI onlyCLI and GUI
Integrated and Interleaved monitoring

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