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cassandra: add option to configure logging

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As cassandra start script hardcodes the location of logback
configuration to `CASSANDRA_CONF_DIR/logback.xml` there is no way to
pass an alternate file via `$JVM_OPTS` for example.

Also, without logback configuration DEBUG level is used which is not
necessary for standard usage.

With this commit a default logback configuration is set with log level
INFO.

Configuration borrowed from:
https://docs.datastax.com/en/cassandra/3.0/cassandra/configuration/configLoggingLevels.html
This commit is contained in:
Jean-Philippe Braun 2018-12-05 14:56:23 +01:00
parent 296b333709
commit 691932bba6
1 changed files with 22 additions and 0 deletions
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22
nixos/modules/services/databases/cassandra.nix
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@ -34,11 +34,13 @@ let
{ name = "cassandra-etc";
cassandraYaml = builtins.toJSON cassandraConfigWithAddresses;
cassandraEnvPkg = "${cfg.package}/conf/cassandra-env.sh";
cassandraLogbackConfig = pkgs.writeText "logback.xml" cfg.logbackConfig;
buildCommand = ''
mkdir -p "$out"
echo "$cassandraYaml" > "$out/cassandra.yaml"
ln -s "$cassandraEnvPkg" "$out/cassandra-env.sh"
ln -s "$cassandraLogbackConfig" "$out/logback.xml"
'';
};
in {
@ -139,7 +141,27 @@ in {
correspond to a single address, IP aliasing is not supported.
'';
};
logbackConfig = mkOption {
type = types.lines;
default = ''
<configuration scan="false">
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%-5level %date{HH:mm:ss,SSS} %msg%n</pattern>
</encoder>
</appender>
<root level="INFO">
<appender-ref ref="STDOUT" />
</root>
<logger name="com.thinkaurelius.thrift" level="ERROR"/>
</configuration>
'';
description = ''
XML logback configuration for cassandra
'';
};
extraConfig = mkOption {
type = types.attrs;
default = {};