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Release Channels

For Docker installations, AzuraCast offers two different release channels:

  • A “Stable” channel that only updates every few weeks or months and consists of changes that have been running on many installations without any issue for quite some time. These releases are tagged with version numbers (i.e. 0.10.3, 0.10.4).

  • A “Rolling Release” channel that updates every time changes are made to the AzuraCast codebase, which can sometimes be as frequent as multiple times in a single day. This channel is useful if you’re testing new features, running a non-production environment, or need a bug fix that’s only recently been made available.

By default, our one-click installers for web hosts are set to prefer stable release builds. When installing yourself, you’ll be prompted with the question of whether to prefer stable releases during the initial installation process.

Switching Release Channels

If you want to switch release channels on an existing installation, note the rules below before proceeding:

Switching from “Stable” to “Rolling Release”

You can switch from the “Stable” channel to the “Rolling Release” channel at any time, because the Rolling Release channel will always be the same as, or newer than, the stable channel.

Switching from “Rolling Release” to “Stable”

You should only switch from “Rolling Release” to “Stable” when your rolling-release version is older than or the exact same version as the current stable version. In other words:

  • If your rolling release version is dated October 2, 2020 and the stable version was released on October 5, you can switch channels and update without any issue, BUT

  • If your rolling release version is dated October 7, 2020 and the stable version was released on October 5, you should not switch channels and should instead wait until the next stable release.

The reason this can be a problem is because of database migrations: new features implemented in the “Rolling Release” channel can include corresponding database changes, and an update to a “Stable” release that’s older than your current one would require that you roll back database migrations; however, to the “Stable” version those migrations don’t exist (since it is frozen in time from before they were created), causing your database to fall into an incorrect state.

As an important note, though, if you have mistakenly switched to the “Stable” channel and it has caused your database to go out-of-sync, it is highly likely that just switching back to the “Rolling Release” channel will resolve your issues and return your installation to normal. You can then wait until the next tagged “Stable” release to switch channels again.

Setting AzuraCast to Use a Different Channel

For Docker Installations

You can switch release channels by logging in to your host computer (the server running AzuraCast) via SSH and executing:

cd /var/azuracast
./ update-self
./ setup-release

You will be prompted whether to prefer stable release builds. If you answer “N”, you will be placed on the “Rolling Release” channel.

You can then run the update script (./ update) and your installation will switch its active release channel.

For Ansible Installations

Ansible installations are directly tied to the Git repository, so switching channels is a matter of switching the branch that’s checked out.

Switching to Rolling Release

Terminal window
git reset --hard
git checkout main
git pull

Switching to Stable

Terminal window
git reset --hard
git checkout stable
git pull