oraluben / db-chaos

Chaos Testing Framework (for Database)

A Kubernetes-based demo

Files and Directory

poc

1. (POC) Deploy database cluster with Kubernetes
2. Docker image for further framework

tidb-bench

Benchmark from [e-mail]:pingcap/tidb-bench.git, you may need to update git submodules

test_template

Test framework, demo are ssb.py and ssb-chaos.py

ssb.py

Star Schema Benchmark from tidb-bench

ssb-chaos.py

ssb test as above, with chaos testing

Test Framework

Abstractions

All symbols under this section are defined in test_template package

Node

Abstraction of node when testing, including Docker image and custom initialization. Some predefined nodes are in nodes

TestBed

Abstraction of test environment, including Node configs and initialization.

Test

Abstraction of one test, including corresponding TestBed and test logic.

TestAction

Abstraction of test behavior, some predefined actions are in actions.

chaos.ChaosOperator

"Operator" for chaos testing

chaos.ChaosAction

TestAction to enable or disable ChaosOperator

chaos.Manager

Manage random chaos behavior during test.

Dependence

1. Python3 with kubernetes package
2. CopyBuildSsb requires kubectl cp to work

Run

• cd <repo-dir> to use test_template package

Run original test without chaos: $ python3 ssb.py Run original test without chaos: $ python3 ssb-chaos.py