Chaos Monkey是否仅能终止Spinnaker部署的实例？跨平台方案问询

1. Is Chaos Monkey limited only to terminating instances deployed by Spinnaker? #

Nope, that's a common misconception. While Chaos Monkey is tightly integrated with Spinnaker and often used alongside its deployment workflows, its core capability boils down to interacting with your cloud provider's native APIs (like GCE's Compute Engine API) to terminate instances.

By default, Spinnaker's Chaos Monkey targets clusters that Spinnaker manages—but this is just a default configuration, not a hard restriction. You can easily customize its settings to target any instances your Spinnaker instance has permission to access on your cloud platform, regardless of whether they were deployed via Rightscale, Terraform, or even manual setup.

2. Can we use Spinnaker solely for Chaos Monkey to terminate instances deployed via Rightscale on GCE? #

Absolutely, this setup is totally feasible. Here are the key steps and considerations to make it work:

• Configure GCE Permissions: Ensure your Spinnaker service account has the necessary IAM permissions on GCE: at minimum, compute.instances.list (to discover instances) and compute.instances.delete (to terminate them) for the relevant GCE projects and zones.
• Tag Rightscale-Deployed Instances: Add consistent labels to your Rightscale-launched instances (e.g., env: production, team: backend). This lets Spinnaker's Chaos Monkey easily identify and target these specific instances, separating them from any other resources in your GCE environment.
• Set Up Spinnaker-GCE Integration: Even if you're not using Spinnaker for deployments, you need to connect Spinnaker to your GCE account. This involves configuring the GCE cloud provider in Spinnaker's settings so it can pull instance data from GCE's API.
• Customize Chaos Monkey Rules: Adjust Chaos Monkey's configuration to target the labeled instances from Rightscale. You can define rules based on regions, instance types, labels, or even specific instance groups—giving you full control over which instances get targeted for chaos testing.

As long as Spinnaker can authenticate with GCE and identify your Rightscale-deployed instances (via labels or other attributes), using it exclusively for Chaos Monkey is a valid, practical approach.

内容的提问来源于stack exchange，提问作者user1700502