Failure Injection Testing (FIT) or Chaos as part of operations features

Inspired by https://help.gremlin.com/infra-attacks/ and the Netflix https://medium.com/netflix-techblog/fit-failure-injection-testing-35d8e2a9bb2

As a user I under the Operations > Chaos menu I can start infrastructure or network chaos.

Infrastructure chaos

• CPU Generates high load for one or more CPU cores.
• Memory Allocates a specific amount of RAM.
• IO Puts read/write pressure on I/O devices such as hard disks.
• Disk Writes files to disk to fill it to a specific percentage.
• Shutdown Reboots or halts the host operating system, allowing you to test, for example, how your system behaves when losing one or more cluster machines.
• Time travel Changes the host’s system time, which can be used to simulate adjusting to daylight saving time and other time-related events.
• Process killer An attack which kills the specified process, which can be used to simulate application or dependency crashes.

Network chaos

• Blackhole Drops all matching network traffic.
• Latency Injects latency into all matching egress network traffic.
• Packet loss Induces packet loss into all matching egress network traffic.
• DNS Blocks access to DNS servers.

/cc @markpundsack @danielgruesso

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