Actions

Actions Overview

This section provides detailed documentation for each action available in Watcher. Actions are the building blocks of action plans that implement the optimization strategies recommended by the decision engine.

Available Actions

Action Name

Description

Change Node Power State

Compute node power on/off through Ironic

Change Nova Service State

Disables or enables the nova-compute service on a host

Migrate

Migrates a server to a destination nova-compute host (live or cold)

Resize

Resizes a server with the specified flavor

Stop

Stops a server instance

Volume Migration

Migrates a volume to a destination node or type

Following Actions are intended to be used only for testing purposes and do not produce any meaningful task.

Action Name

Description

Nop

Logs a message (testing only)

Sleep

Waits for a given duration (testing only)