nixpkgs/nixos/tests/loki.nix

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import ./make-test-python.nix ({ lib, pkgs, ... }:
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{
name = "loki";
meta = with lib.maintainers; {
maintainers = [ willibutz ];
};
machine = { ... }: {
services.loki = {
enable = true;
configFile = "${pkgs.grafana-loki.src}/cmd/loki/loki-local-config.yaml";
};
systemd.services.promtail = {
description = "Promtail service for Loki test";
wantedBy = [ "multi-user.target" ];
serviceConfig = {
ExecStart = ''
${pkgs.grafana-loki}/bin/promtail --config.file ${pkgs.grafana-loki.src}/cmd/promtail/promtail-local-config.yaml
'';
DynamicUser = true;
};
};
};
testScript = ''
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machine.start
machine.wait_for_unit("loki.service")
machine.wait_for_unit("promtail.service")
machine.wait_for_open_port(3100)
machine.wait_for_open_port(9080)
machine.succeed("echo 'Loki Ingestion Test' > /var/log/testlog")
machine.wait_until_succeeds(
"${pkgs.grafana-loki}/bin/logcli --addr='http://localhost:3100' query --no-labels '{job=\"varlogs\",filename=\"/var/log/testlog\"}' | grep -q 'Loki Ingestion Test'"
)
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'';
})