commit 680cd820a57afb71788e5eecaf7da52e3ff6e370 · pyrox.dev/nixpkgs

+57 -3
nixos/tests/vector/journald-clickhouse.nix
···

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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.boot_id = ._BOOT_ID

     

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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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                         "vector_source"

     

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                       ];

     

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

     

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                       auth = {

     

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                         strategy = "basic";

     

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                         user = "vector";

     

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                         password = "helloclickhouseworld";

     

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                       };

     

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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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               services.clickhouse = {

     

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                 enable = true;

     

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               };

     

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               # ACL configuration for Vector

     

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               environment = {

     

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                 etc."clickhouse-server/users.d/vector.xml".text = ''

     

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                   <clickhouse>

     

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                     <users>

     

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                       <vector>

     

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                         <password>helloclickhouseworld</password>

     

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                         <access_management>0</access_management>

     

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                         <quota>default</quota>

     

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                         <default_database>journald</default_database>

     

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                         <grants>

     

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                           <query>GRANT INSERT ON journald.logs</query>

     

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                         </grants>

     

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                       </vector>

     

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                     </users>

     

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                   </clickhouse>

     

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                 '';

     

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                 # ACL configuration for read-only client

     

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                 etc."clickhouse-server/users.d/grafana.xml".text = ''

     

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                   <clickhouse>

     

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                     <users>

     

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                       <grafana>

     

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                         <password>helloclickhouseworld2</password>

     

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                         <access_management>0</access_management>

     

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                         <quota>default</quota>

     

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                         <default_database>journald</default_database>

     

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                         <grants>

     

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                           <query>GRANT SELECT ON journald.logs</query>

     

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                         </grants>

     

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                       </grafana>

     

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                     </users>

     

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                   </clickhouse>

     

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                 '';

     

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               };

     

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             };

     

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           vector =

     
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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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             # ORDER BY advice: https://kb.altinity.com/engines/mergetree-table-engine-family/pick-keys/

     

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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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                 host LowCardinality(String),

     

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                 boot_id LowCardinality(String),

     

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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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                 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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               ORDER BY (host, boot_id, toStartOfHour(timestamp), app, timestamp)

     

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               PARTITION BY toYYYYMM(timestamp)

     

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             '';

     

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···

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

     

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               )

     

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             clickhouse.fail(

     

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               "cat ${selectQuery} | clickhouse-client --user vector --password helloclickhouseworld | grep 2"

     

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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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               "cat ${selectQuery} | clickhouse-client --user grafana --password helloclickhouseworld2 | grep 2"

     

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             )

     

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           '';

     

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       }