[Epic] Add support for droplet-action

[cowwoc]

Overview

Provide a way to register droplet actions (like a shutsown hook) using Pulumi code. For example, a user should be able to run the equivalent of doctl compute droplet-action shut-down <droplet-id> --action-type=pre-delete --exec="/path/to/your/pre-delete-script.sh" from pulumi.

Key KPIs

Ability to register all the possible droplet action types.

Key Stakeholders

• Product and Engineering:
• Documentation:
• Marketing/Partnerships:
• Customers:

Key Deliverables

References 📔

• [ ] Project View
• [ ] PR/FAQ
• [ ] Design Doc
• [ ] UX Designs
• [ ] Decision Log

[cowwoc]

This would allow nodes to leave docker swarms or k8s gracefully instead of waiting for the cluster to time out non-responsive nodes.