nixos/logstash: add option examples
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@ -20,16 +20,39 @@ in
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inputConfig = mkOption {
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default = ''stdin { type => "example" }'';
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description = "Logstash input configuration";
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example = ''
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# Read from journal
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pipe {
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command => "${pkgs.systemd}/bin/journalctl -f -o json"
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type => "syslog" codec => json {}
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}
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'';
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};
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filterConfig = mkOption {
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default = ''noop {}'';
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description = "logstash filter configuration";
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example = ''
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if [type] == "syslog" {
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# Keep only relevant systemd fields
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# http://www.freedesktop.org/software/systemd/man/systemd.journal-fields.html
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prune {
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whitelist_names => [
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"type", "@timestamp", "@version",
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"MESSAGE", "PRIORITY", "SYSLOG_FACILITY",
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]
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}
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}
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'';
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};
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outputConfig = mkOption {
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default = ''stdout { debug => true debug_format => "json"}'';
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description = "Logstash output configuration";
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example = ''
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redis { host => "localhost" data_type => "list" key => "logstash" codec => json }
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elasticsearch { embedded => true }
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'';
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};
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};
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};
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