···
+
import ../make-test-python.nix ({ lib, pkgs, ... }:
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name = "vector-nginx-clickhouse";
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meta.maintainers = [ pkgs.lib.maintainers.happysalada ];
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clickhouse = { config, pkgs, ... }: {
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virtualisation.memorySize = 4096;
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# Clickhouse module can't listen on a non-loopback IP.
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networking.firewall.allowedTCPPorts = [ 6000 ];
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services.clickhouse.enable = true;
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# Exercise Vector sink->source for now.
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inputs = [ "vector_source" ];
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endpoint = "http://localhost:8123";
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skip_unknown_fields = true;
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nginx = { config, pkgs, ... }: {
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virtualHosts.localhost = {};
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include = [ "/var/log/nginx/access.log" ];
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inputs = [ "nginx_logs" ];
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address = "clickhouse:6000";
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systemd.services.vector.serviceConfig = {
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SupplementaryGroups = [ "nginx" ];
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# work around quote/substitution complexity by Nix, Perl, bash and SQL.
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databaseDDL = pkgs.writeText "database.sql" "CREATE DATABASE IF NOT EXISTS nginxdb";
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tableDDL = pkgs.writeText "table.sql" ''
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CREATE TABLE IF NOT EXISTS nginxdb.access_logs (
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# Graciously taken from https://clickhouse.com/docs/en/integrations/vector
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tableView = pkgs.writeText "table-view.sql" ''
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CREATE MATERIALIZED VIEW nginxdb.access_logs_view
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splitByWhitespace(message) as split,
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splitByRegexp('\S \d+ "([^"]*)"', message) as referer
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split[1] AS RemoteAddr,
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split[3] AS RemoteUser,
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parseDateTimeBestEffort(replaceOne(trim(LEADING '[' FROM split[4]), ':', ' ')) AS TimeLocal,
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trim(LEADING '"' FROM split[6]) AS RequestMethod,
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trim(TRAILING '"' FROM split[8]) AS HttpVersion,
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split[10] AS BytesSent,
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trim(BOTH '"' from referer[2]) AS UserAgent
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(SELECT message FROM nginxdb.access_logs)
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selectQuery = pkgs.writeText "select.sql" "SELECT * from nginxdb.access_logs_view";
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clickhouse.wait_for_unit("clickhouse")
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clickhouse.wait_for_open_port(8123)
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clickhouse.wait_until_succeeds(
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"journalctl -o cat -u clickhouse.service | grep 'Started ClickHouse server'"
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clickhouse.wait_for_unit("vector")
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clickhouse.wait_for_open_port(6000)
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"cat ${databaseDDL} | clickhouse-client"
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"cat ${tableDDL} | clickhouse-client"
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"cat ${tableView} | clickhouse-client"
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nginx.wait_for_unit("nginx")
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nginx.wait_for_open_port(80)
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nginx.wait_for_unit("vector")
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nginx.wait_until_succeeds(
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"journalctl -o cat -u vector.service | grep 'Starting file server'"
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nginx.succeed("curl http://localhost/")
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nginx.succeed("curl http://localhost/")
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nginx.wait_for_file("/var/log/nginx/access.log")
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nginx.wait_until_succeeds(
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"journalctl -o cat -u vector.service | grep 'Found new file to watch. file=/var/log/nginx/access.log'"
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clickhouse.wait_until_succeeds(
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"cat ${selectQuery} | clickhouse-client | grep 'curl'"