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nixos/litestream: convert manual chapter to MD

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This commit is contained in:
pennae 2023-01-03 05:59:31 +01:00
parent ce319f60ad
commit d075d2c276
3 changed files with 79 additions and 29 deletions
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3
nixos/modules/services/network-filesystems/litestream/default.nix
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@ -94,5 +94,8 @@ in
};
users.groups.litestream = {};
};
# Don't edit the docbook xml directly, edit the md and generate it:
# `pandoc litestream.md -t docbook --top-level-division=chapter --extract-media=media -f markdown-smart --lua-filter ../../../../../doc/build-aux/pandoc-filters/myst-reader/roles.lua --lua-filter ../../../../../doc/build-aux/pandoc-filters/docbook-writer/rst-roles.lua > litestream.xml`
meta.doc = ./litestream.xml;
}

52
nixos/modules/services/network-filesystems/litestream/litestream.md Normal file
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@ -0,0 +1,52 @@
# Litestream {#module-services-litestream}
[Litestream](https://litestream.io/) is a standalone streaming
replication tool for SQLite.
## Configuration {#module-services-litestream-configuration}
Litestream service is managed by a dedicated user named `litestream`
which needs permission to the database file. Here's an example config which gives
required permissions to access [grafana database](#opt-services.grafana.settings.database.path):
```
{ 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";
}];
}
];
};
};
}
```

53
nixos/modules/services/network-filesystems/litestream/litestream.xml
View File

@ -1,34 +1,31 @@
<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>
<chapter xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="module-services-litestream">
<title>Litestream</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>:
<programlisting>
<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" ];
users.users.litestream.extraGroups = [ &quot;grafana&quot; ];
systemd.services.grafana.serviceConfig.ExecStartPost = "+" + pkgs.writeShellScript "grant-grafana-permissions" ''
systemd.services.grafana.serviceConfig.ExecStartPost = &quot;+&quot; + pkgs.writeShellScript &quot;grant-grafana-permissions&quot; ''
timeout=10
while [ ! -f /var/lib/grafana/data/grafana.db ];
do
if [ "$timeout" == 0 ]; then
echo "ERROR: Timeout while waiting for /var/lib/grafana/data/grafana.db."
if [ &quot;$timeout&quot; == 0 ]; then
echo &quot;ERROR: Timeout while waiting for /var/lib/grafana/data/grafana.db.&quot;
exit 1
fi
@ -44,14 +41,14 @@
services.litestream = {
enable = true;
environmentFile = "/run/secrets/litestream";
environmentFile = &quot;/run/secrets/litestream&quot;;
settings = {
dbs = [
{
path = "/var/lib/grafana/data/grafana.db";
path = &quot;/var/lib/grafana/data/grafana.db&quot;;
replicas = [{
url = "s3://mybkt.litestream.io/grafana";
url = &quot;s3://mybkt.litestream.io/grafana&quot;;
}];
}
];
@ -59,7 +56,5 @@
};
}
</programlisting>
</para>
</section>
</section>
</chapter>