44 lines
1.5 KiB
Nix
44 lines
1.5 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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collector = pkgs.fetchFromGitHub {
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owner = "tokudan";
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repo = "ffhh-stats";
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rev = "f3e98a7c5bbf013aee112f4b3e4d572f89770361";
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sha256 = "140cn232c38gh8qm571bmvvl189jdvybriijc0rxnvv99mqdc2r8";
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};
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collector-config = pkgs.writeText "collector-config" ''
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graph_json = https://hopglass-backend.hamburg.freifunk.net/mv1/graph.json
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nodes_json = https://hopglass-backend.hamburg.freifunk.net/mv1/nodes.json
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interval = 900
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interval_forced = true
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influx_url = http://127.0.0.1:8086/write?db=freifunk&u=knotendaten&p=@@INFLUXPASS@@&precision=s
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region = ffhh
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groups_dir = /home/freifunk/ffhh-statsgroups
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'';
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in
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{
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systemd.services.collector = {
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wantedBy = [ "multi-user.target" ];
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after = [ "network-online.target" ];
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requires = [ "influxdb.service" ];
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path = [ pkgs.wget ];
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serviceConfig = {
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Type = "simple";
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Restart = "always";
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RestartSec = 65;
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DynamicUser = true;
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PrivateTmp = true;
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RuntimeDirectory = "collector";
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ExecStart = "${pkgs.ruby.withPackages (ps: with ps; [ json ])}/bin/ruby ${collector}/query-data.influx --config /run/collector/collector-config";
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ExecStartPre = "+${pkgs.writeShellScript "collector-init" ''
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until [ -s /var/lib/influxdb/knotendaten.pw ]; do
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sleep 1
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done
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read -N 32 -r knotendatenpw < /var/lib/influxdb/knotendaten.pw
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${pkgs.gnused}/bin/sed -e "s/@@INFLUXPASS@@/$knotendatenpw/g" "${collector-config}" > /run/collector/collector-config
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'' }";
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};
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};
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}
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