commit 8dc825ca3681a602f6414134cda35cc513e2443c · pyrox.dev/nixpkgs

nixos/tests/vector/default.nix

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       {

     

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         file-sink = import ./file-sink.nix { inherit system pkgs; };

     

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         api = import ./api.nix { inherit system pkgs; };

     

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         nginx-clickhouse = import ./nginx-clickhouse.nix { inherit system pkgs; };

     

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       }

+168

nixos/tests/vector/nginx-clickhouse.nix

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       import ../make-test-python.nix ({ lib, pkgs, ... }:

     

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       {

     

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         name = "vector-nginx-clickhouse";

     

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         meta.maintainers = [ pkgs.lib.maintainers.happysalada ];

     

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         nodes = {

     

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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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             services.vector = {

     

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               enable = true;

     

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               settings = {

     

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                 sources = {

     

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                   vector_source = {

     

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                     type = "vector";

     

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                     address = "[::]:6000";

     

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                   };

     

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                 };

     

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                 sinks = {

     

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                   clickhouse = {

     

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                     type = "clickhouse";

     

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                     inputs = [ "vector_source" ];

     

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                     endpoint = "http://localhost:8123";

     

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                     database = "nginxdb";

     

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                     table = "access_logs";

     

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                     skip_unknown_fields = true;

     

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                   };

     

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                 };

     

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               };

     

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             };

     

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           };

     

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           nginx = { config, pkgs, ... }: {

     

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             services.nginx = {

     

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               enable = true;

     

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               virtualHosts.localhost = {};

     

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             };

     

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             services.vector = {

     

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               enable = true;

     

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               settings = {

     

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                 sources = {

     

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                   nginx_logs = {

     

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                     type = "file";

     

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                     include = [ "/var/log/nginx/access.log" ];

     

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                     read_from = "end";

     

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                   };

     

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                 };

     

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                 sinks = {

     

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                   vector_sink = {

     

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                     type = "vector";

     

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                     inputs = [ "nginx_logs" ];

     

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                     address = "clickhouse:6000";

     

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                   };

     

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                 };

     

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               };

     

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             };

     

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             systemd.services.vector.serviceConfig = {

     

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               SupplementaryGroups = [ "nginx" ];

     

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             };

     

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           };

     

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         };

     

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         testScript =

     

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         let

     

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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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               message String

     

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             )

     

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             ENGINE = MergeTree()

     

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             ORDER BY tuple()

     

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           '';

     

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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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             (

     

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               RemoteAddr String,

     

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               Client String,

     

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               RemoteUser String,

     

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               TimeLocal DateTime,

     

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               RequestMethod String,

     

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               Request String,

     

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               HttpVersion String,

     

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               Status Int32,

     

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               BytesSent Int64,

     

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               UserAgent String

     

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             )

     

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             ENGINE = MergeTree()

     

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             ORDER BY RemoteAddr

     

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             POPULATE AS

     

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             WITH

     

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              splitByWhitespace(message) as split,

     

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              splitByRegexp('\S \d+ "([^"]*)"', message) as referer

     

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             SELECT

     

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               split[1] AS RemoteAddr,

     

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               split[2] AS Client,

     

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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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               split[7] AS Request,

     

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               trim(TRAILING '"' FROM split[8]) AS HttpVersion,

     

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               split[9] AS Status,

     

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               split[10] AS BytesSent,

     

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               trim(BOTH '"' from referer[2]) AS UserAgent

     

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             FROM

     

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               (SELECT message FROM nginxdb.access_logs)

     

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           '';

     

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           selectQuery = pkgs.writeText "select.sql" "SELECT * from nginxdb.access_logs_view";

     

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         in

     

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         ''

     

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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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           )

     

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           clickhouse.wait_for_unit("vector")

     

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           clickhouse.wait_for_open_port(6000)

     

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           clickhouse.succeed(

     

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             "cat ${databaseDDL} | clickhouse-client"

     

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           )

     

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           clickhouse.succeed(

     

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             "cat ${tableDDL} | clickhouse-client"

     

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           )

     

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           clickhouse.succeed(

     

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             "cat ${tableView} | clickhouse-client"

     

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           )

     

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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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           )

     

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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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           )

     

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           clickhouse.wait_until_succeeds(

     

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             "cat ${selectQuery} | clickhouse-client | grep 'curl'"

     

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           )

     

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         '';

     

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       })