Andrew Rynhard 11ad2a5ea8 feat: add rollback API
This adds an API for rolling back the version of Talos loaded by
the bootloader.

Signed-off-by: Andrew Rynhard <andrew@andrewrynhard.com>
2020-06-09 16:18:40 -07:00

52 lines
1.4 KiB
Go

// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
package runtime
import (
"context"
"log"
)
// TaskSetupFunc defines the function that a task will execute for a specific runtime
// mode.
type TaskSetupFunc func(seq Sequence, data interface{}) TaskExecutionFunc
// TaskExecutionFunc defines the function that a task will execute for a specific runtime
// mode.
type TaskExecutionFunc func(context.Context, *log.Logger, Runtime) error
// Phase represents a collection of tasks to be performed concurrently.
type Phase []TaskSetupFunc
// ControllerOptions represents the options for a controller.
type ControllerOptions struct {
Force bool
}
// ControllerOption represents an option setter.
type ControllerOption func(o *ControllerOptions) error
// WithForce sets the force option to true.
func WithForce() ControllerOption {
return func(o *ControllerOptions) error {
o.Force = true
return nil
}
}
// DefaultControllerOptions returns the default controller options.
func DefaultControllerOptions() ControllerOptions {
return ControllerOptions{}
}
// Controller represents the controller responsible for managing the execution
// of sequences.
type Controller interface {
Runtime() Runtime
Sequencer() Sequencer
Run(Sequence, interface{}, ...ControllerOption) error
}