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authorAlyssa Ross <hi@alyssa.is>2022-05-31 09:59:33 +0000
committerAlyssa Ross <hi@alyssa.is>2022-05-31 09:59:57 +0000
commit9ff36293d1e428cd7bf03e8d4b03611b6d361c28 (patch)
tree1ab51a42b868c55b83f6ccdb80371b9888739dd9 /nixos/modules/services/network-filesystems/litestream/litestream.xml
parent1c4fcd0d4b0541e674ee56ace1053e23e562cc80 (diff)
parentddc3c396a51918043bb0faa6f676abd9562be62c (diff)
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Last good Nixpkgs for Weston+nouveau? archive
I came this commit hash to terwiz[m] on IRC, who is trying to figure out
what the last version of Spectrum that worked on their NUC with Nvidia
graphics is.
Diffstat (limited to 'nixos/modules/services/network-filesystems/litestream/litestream.xml')
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diff --git a/nixos/modules/services/network-filesystems/litestream/litestream.xml b/nixos/modules/services/network-filesystems/litestream/litestream.xml
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@@ -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>