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Diffstat (limited to 'nixos/modules/services/network-filesystems/litestream/default.xml')
-rw-r--r-- | nixos/modules/services/network-filesystems/litestream/default.xml | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/nixos/modules/services/network-filesystems/litestream/default.xml b/nixos/modules/services/network-filesystems/litestream/default.xml new file mode 100644 index 000000000000..756899fdb88d --- /dev/null +++ b/nixos/modules/services/network-filesystems/litestream/default.xml @@ -0,0 +1,62 @@ +<!-- Do not edit this file directly, edit its companion .md instead + and regenerate this file using nixos/doc/manual/md-to-db.sh --> +<chapter xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" 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.settings.database.path">grafana + database</link>: + </para> + <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> + </section> +</chapter> |