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Diffstat (limited to 'nixos/modules/services/network-filesystems/litestream/litestream.xml')
-rw-r--r-- | nixos/modules/services/network-filesystems/litestream/litestream.xml | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/nixos/modules/services/network-filesystems/litestream/litestream.xml b/nixos/modules/services/network-filesystems/litestream/litestream.xml new file mode 100644 index 00000000000..598f9be8cf6 --- /dev/null +++ b/nixos/modules/services/network-filesystems/litestream/litestream.xml @@ -0,0 +1,65 @@ +<chapter xmlns="http://docbook.org/ns/docbook" + xmlns:xlink="http://www.w3.org/1999/xlink" + xmlns:xi="http://www.w3.org/2001/XInclude" + version="5.0" + xml:id="module-services-litestream"> + <title>Litestream</title> + <para> + <link xlink:href="https://litestream.io/">Litestream</link> is a standalone streaming + replication tool for SQLite. + </para> + + <section xml:id="module-services-litestream-configuration"> + <title>Configuration</title> + + <para> + Litestream service is managed by a dedicated user named <literal>litestream</literal> + which needs permission to the database file. Here's an example config which gives + required permissions to access <link linkend="opt-services.grafana.database.path"> + grafana database</link>: +<programlisting> +{ pkgs, ... }: +{ + users.users.litestream.extraGroups = [ "grafana" ]; + + systemd.services.grafana.serviceConfig.ExecStartPost = "+" + pkgs.writeShellScript "grant-grafana-permissions" '' + timeout=10 + + while [ ! -f /var/lib/grafana/data/grafana.db ]; + do + if [ "$timeout" == 0 ]; then + echo "ERROR: Timeout while waiting for /var/lib/grafana/data/grafana.db." + exit 1 + fi + + sleep 1 + + ((timeout--)) + done + + find /var/lib/grafana -type d -exec chmod -v 775 {} \; + find /var/lib/grafana -type f -exec chmod -v 660 {} \; + ''; + + services.litestream = { + enable = true; + + environmentFile = "/run/secrets/litestream"; + + settings = { + dbs = [ + { + path = "/var/lib/grafana/data/grafana.db"; + replicas = [{ + url = "s3://mybkt.litestream.io/grafana"; + }]; + } + ]; + }; + }; +} +</programlisting> + </para> + </section> + +</chapter> |