lock

Documentation

Overview

Package lock implements a locking mechanism on shared resources to ensure they don't get used at the same time. There needs to be a lock for the following: - VM on Host: A VM must only exist on one host at a time - Storage attached to VM: Block storage can only be attached to one VM at a time

Index

• type Lockable
• type Locker

Types

type Lockable

type Lockable interface {
	Locked() bool
	HeldBy() Locker
}

Lockable interface must be attached to lockable resources, such as Virtual Machines, block devices, and host devices that can be attached to virtual machines.

type Locker

type Locker interface {
	Lock(Lockable) error
	Unlock(Lockable) error
}

Locker interface used to lock and unlock Lockable resources