Microcluster v2.1.0 has been released

LXD News
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Introduction

The LXD team is very excited to announce the release of microcluster v2.1.0!

Microcluster is a Go library that simplifies development of dqlite clusters.

Changes

The PreBootstrap hook is now deprecated, in favour of the new PreInit hook.

The previous hook will continue to work, but may result in linter errors due to the deprecation warning (eg. from golangci-lint). We recommend updating projects to utilize the new PreInit hook instead.

  • It is not valid to define both the PreInit and PreBootstrap hooks. This will result in an error. The PreInit hook is intended as a replacement for the PreBootstrap hook, which will no longer be available from v3.0.0 onwards.

  • The new hook has a bootstrap flag.

    • When the flag is set to true, the hook behaves exactly like the old PreBootstrap hook, executing the given code immediately after the system name and address have been loaded into the daemon, but before starting the dqlite database during bootstrap.

    • When the flag is set to false, the corresponding code will be executed on members joining an existing cluster in the same case as above: immediately after the system name and address have been loaded into the daemon, but before processing the join token with the existing cluster.

Importing Microcluster v2.1.0

go get -u github.com/canonical/microcluster/v2

Or if you haven’t yet added Microcluster to your list of dependencies run

go get github.com/canonical/microcluster/v2@latest

Github release

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