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Merge pull request #53986 from Ma27/document-dovecot-prometheus-exporter-issues

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nixos/prometheus-dovecot-exporter: enhance `socketPath` documentation
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Silvan Mosberger 2019-01-24 00:17:20 +01:00 committed by GitHub
commit 7222fd9e21
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1 changed files with 23 additions and 1 deletions
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24
nixos/modules/services/monitoring/prometheus/exporters/dovecot.nix
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@ -18,12 +18,34 @@ in
socketPath = mkOption {
type = types.path;
default = "/var/run/dovecot/stats";
example = "/var/run/dovecot2/stats";
example = "/var/run/dovecot2/old-stats";
description = ''
Path under which the stats socket is placed.
The user/group under which the exporter runs,
should be able to access the socket in order
to scrape the metrics successfully.
Please keep in mind that the stats module has changed in
<link xlink:href="https://wiki2.dovecot.org/Upgrading/2.3">Dovecot 2.3+</link> which
is not <link xlink:href="https://github.com/kumina/dovecot_exporter/issues/8">compatible with this exporter</link>.
The following extra config has to be passed to Dovecot to ensure that recent versions
work with this exporter:
<programlisting>
{
<xref linkend="opt-services.prometheus.exporters.dovecot.enable" /> = true;
<xref linkend="opt-services.prometheus.exporters.dovecot.socketPath" /> = "/var/run/dovecot2/old-stats";
<xref linkend="opt-services.dovecot2.extraConfig" /> = '''
mail_plugins = $mail_plugins old_stats
service old-stats {
unix_listener old-stats {
user = nobody
group = nobody
}
}
''';
}
</programlisting>
'';
};
scopes = mkOption {