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author | Maximilian Bosch <maximilian@mbosch.me> | 2019-01-15 15:01:23 +0100 |
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committer | Maximilian Bosch <maximilian@mbosch.me> | 2019-01-23 23:51:48 +0100 |
commit | ca72dbd125701b348e819da027aaad35f611f725 (patch) | |
tree | 581b7e832db37b92990fa5616ce3d8d31c0c5914 /nixos | |
parent | 15d8f837c6c9d759912ff61001c9cf77e9cfa187 (diff) | |
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nixos/prometheus-dovecot-exporter: enhance `socketPath` documentation
In Dovecot 2.3[1] the stats module changed and now the UNIX socket provided by Dovecot by default isn't compatible anymore with the exporter[2]. By enabling the `old-stats` plugin in Dovecot this issue can be solved which should be documented in this module. [1] https://wiki2.dovecot.org/Upgrading/2.3 [2] https://github.com/kumina/dovecot_exporter/issues/8
Diffstat (limited to 'nixos')
-rw-r--r-- | nixos/modules/services/monitoring/prometheus/exporters/dovecot.nix | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/nixos/modules/services/monitoring/prometheus/exporters/dovecot.nix b/nixos/modules/services/monitoring/prometheus/exporters/dovecot.nix index 4ca6d4e5f8b..c47e87a3dc3 100644 --- a/nixos/modules/services/monitoring/prometheus/exporters/dovecot.nix +++ b/nixos/modules/services/monitoring/prometheus/exporters/dovecot.nix @@ -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 { |