commit 8932afecff340540c40be80a9997f7217c8ae4aa · pyrox.dev/nixpkgs

nixos/tests/vector/default.nix

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

     

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

     

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

     

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         syslog-quickwit = import ./syslog-quickwit.nix { inherit system pkgs; };

     

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       }

+157

nixos/tests/vector/journald-clickhouse.nix

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       import ../make-test-python.nix (

     

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         { lib, pkgs, ... }:

     

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         let

     

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           # Take the original journald message and create a new payload which only

     

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           # contains the relevant fields - these must match the database columns.

     

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           journalVrlRemapTransform = {

     

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             journald_remap = {

     

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               inputs = [ "journald" ];

     

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               type = "remap";

     

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               source = ''

     

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                 m = {}

     

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                 m.app = .SYSLOG_IDENTIFIER

     

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                 m.host = .host

     

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                 m.severity = to_int(.PRIORITY) ?? 0

     

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                 m.level = to_syslog_level(m.severity) ?? ""

     

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                 m.message = strip_ansi_escape_codes!(.message)

     

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                 m.timestamp = .timestamp

     

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                 m.uid = to_int(._UID) ?? 0

     

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                 m.pid = to_int(._PID) ?? 0

     

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                 . = [m]

     

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               '';

     

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             };

     

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           };

     

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         in

     

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         {

     

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           name = "vector-journald-clickhouse";

     

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

     

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           nodes = {

     

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             clickhouse =

     

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               { config, pkgs, ... }:

     

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               {

     

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                 virtualisation.diskSize = 5 * 1024;

     

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                 virtualisation.memorySize = 4096;

     

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       +
       

     

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                 networking.firewall.allowedTCPPorts = [ 6000 ];

     

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                 services.vector = {

     

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                   enable = true;

     

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                   journaldAccess = true;

     

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                   settings = {

     

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                     sources = {

     

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                       journald = {

     

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                         type = "journald";

     

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                       };

     

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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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                     transforms = journalVrlRemapTransform;

     

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                     sinks = {

     

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                       clickhouse = {

     

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                         type = "clickhouse";

     

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                         inputs = [

     

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                           "journald_remap"

     

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                           "vector_source"

     

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                         ];

     

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

     

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                         database = "journald";

     

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                         table = "logs";

     

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                         date_time_best_effort = true;

     

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                       };

     

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                     };

     

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                   };

     

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                 };

     

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                 services.clickhouse = {

     

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                   enable = true;

     

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                 };

     

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               };

     

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             vector =

     

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               { config, pkgs, ... }:

     

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               {

     

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                 services.vector = {

     

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                   enable = true;

     

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                   journaldAccess = true;

     

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                   settings = {

     

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                     sources = {

     

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                       journald = {

     

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                         type = "journald";

     

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                       };

     

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                     };

     

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                     transforms = journalVrlRemapTransform;

     

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                     sinks = {

     

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                       vector_sink = {

     

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                         type = "vector";

     

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                         inputs = [ "journald_remap" ];

     

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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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               };

     

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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 journald";

     

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               # https://clickhouse.com/blog/storing-log-data-in-clickhouse-fluent-bit-vector-open-telemetry

     

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               tableDDL = pkgs.writeText "table.sql" ''

     

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                 CREATE TABLE IF NOT EXISTS journald.logs (

     

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                   timestamp DateTime64(6),

     

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                   app LowCardinality(String),

     

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                   host LowCardinality(String),

     

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                   level LowCardinality(String),

     

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                   severity UInt8,

     

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                   message String,

     

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                   uid UInt16,

     

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                   pid UInt32,

     

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                 )

     

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                 ENGINE = MergeTree()

     

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                 ORDER BY (host, app, timestamp)

     

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                 PARTITION BY toYYYYMM(timestamp)

     

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               '';

     

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               selectQuery = pkgs.writeText "select.sql" ''

     

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                 SELECT COUNT(host) FROM journald.logs

     

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                 WHERE message LIKE '%Vector has started%'

     

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               '';

     

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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(6000)

     

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               clickhouse.wait_for_open_port(8123)

     

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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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               for machine in clickhouse, vector:

     

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                 machine.wait_for_unit("vector")

     

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                 machine.wait_until_succeeds(

     

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                   "journalctl -o cat -u vector.service | grep 'Vector has started'"

     

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                 )

     

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               clickhouse.wait_until_succeeds(

     

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                 "cat ${selectQuery} | clickhouse-client | grep 2"

     

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               )

     

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             '';

     

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         }

     

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       )