88 lines
2.0 KiB
Nix
88 lines
2.0 KiB
Nix
{ config
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, lib
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, ...
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}:
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with lib; let
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cfg = config.services.xin-monitoring;
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inherit
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(builtins)
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readFile
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concatStringsSep
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attrValues
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mapAttrs
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replaceStrings
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;
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nginxCfg = config.services.nginx;
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buildFSChecker = fsList: (concatStringsSep "\n" (attrValues (mapAttrs
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(f: v:
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if v.fsType != "sshfs"
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then ''
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check filesystem ${replaceStrings ["/"] ["_"] f} with path ${f}
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if space usage > 90% then alert
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if inode usage > 90% then alert
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''
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else "")
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fsList)));
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buildNginxChecker = vhostList: (concatStringsSep "\n" (attrValues (mapAttrs
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(f: v: ''
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check host ${f} with address ${f}
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if failed port 80 protocol http then alert
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${
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if v.enableACME
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then "if failed port 443 protocol https then alert"
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else ""
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}
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'')
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vhostList)));
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nginxChecks =
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if nginxCfg.enable
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then
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if config.networking.hostName == "h"
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then (buildNginxChecker nginxCfg.virtualHosts)
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else ""
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else "";
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in
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{
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options = {
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services.xin-monitoring = {
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enable = mkOption {
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type = types.bool;
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default = true;
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description = "Enable Monitoring";
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};
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fs = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Create monitoring entry points from `config.fileSystems`.
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'';
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};
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nginx = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Create monitoring entry points from `services.nginx.virtualHosts`.
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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sops.secrets = {
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monit_cfg = {
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sopsFile = config.xin-secrets.deploy;
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owner = "root";
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mode = "400";
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};
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};
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services.monit = {
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enable = true;
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config = concatStrings [
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(readFile ./monitrc)
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(optionalString cfg.fs (buildFSChecker config.fileSystems))
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(optionalString cfg.nginx nginxChecks)
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];
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};
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};
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}
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