nixpkgs/nixos/tests/logstash.nix

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# This test runs logstash and checks if messages flows and
# elasticsearch is started.
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import ./make-test.nix {
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name = "logstash";
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nodes = {
one =
{ config, pkgs, ... }:
{
services = {
logstash = {
enable = true;
inputConfig = ''
exec { command => "echo flowers" interval => 1 type => "test" }
exec { command => "echo dragons" interval => 1 type => "test" }
'';
filterConfig = ''
if [type] == "test" {
grep { match => ["message", "flowers"] drop => true }
}
'';
outputConfig = ''
stdout { codec => rubydebug }
elasticsearch { embedded => true }
'';
};
};
};
};
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testScript = ''
startAll;
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$one->waitForUnit("logstash.service");
$one->waitUntilSucceeds("journalctl -n 20 _SYSTEMD_UNIT=logstash.service | grep flowers");
$one->fail("journalctl -n 20 _SYSTEMD_UNIT=logstash.service | grep dragons");
$one->waitUntilSucceeds("curl -s http://127.0.0.1:9200/_status?pretty=true | grep logstash");
'';
}