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53 lines
1.3 KiB
Markdown
53 lines
1.3 KiB
Markdown
# Litestream {#module-services-litestream}
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[Litestream](https://litestream.io/) is a standalone streaming
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replication tool for SQLite.
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## Configuration {#module-services-litestream-configuration}
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Litestream service is managed by a dedicated user named `litestream`
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which needs permission to the database file. Here's an example config which gives
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required permissions to access [grafana database](#opt-services.grafana.settings.database.path):
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```nix
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{ pkgs, ... }:
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{
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users.users.litestream.extraGroups = [ "grafana" ];
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systemd.services.grafana.serviceConfig.ExecStartPost =
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"+"
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+ pkgs.writeShellScript "grant-grafana-permissions" ''
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timeout=10
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while [ ! -f /var/lib/grafana/data/grafana.db ];
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do
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if [ "$timeout" == 0 ]; then
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echo "ERROR: Timeout while waiting for /var/lib/grafana/data/grafana.db."
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exit 1
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fi
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sleep 1
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((timeout--))
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done
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find /var/lib/grafana -type d -exec chmod -v 775 {} \;
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find /var/lib/grafana -type f -exec chmod -v 660 {} \;
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'';
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services.litestream = {
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enable = true;
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environmentFile = "/run/secrets/litestream";
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settings = {
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dbs = [
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{
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path = "/var/lib/grafana/data/grafana.db";
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replicas = [ { url = "s3://mybkt.litestream.io/grafana"; } ];
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}
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];
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};
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};
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}
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```
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