freifunk/stats-nixos-config
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Automatically build the collector config

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This commit is contained in:
Daniel Frank 2022-01-25 20:00:29 +01:00
parent dcbf3643a0
commit ea69c8eeba
Signed by: tokudan
GPG key ID: 063CCCAD04182D32
1 changed files with 18 additions and 3 deletions
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21
collector.nix
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@ -7,6 +7,15 @@ let
rev = "76c61a0c0f7d276fd79026b551780e318901adf6"; rev = "76c61a0c0f7d276fd79026b551780e318901adf6";
sha256 = "0irnc8ffm413aq3sh64sd2457yp2ax4paaf0ss9r1pkbkb8q5dgx"; sha256 = "0irnc8ffm413aq3sh64sd2457yp2ax4paaf0ss9r1pkbkb8q5dgx";
}; };
collector-config = pkgs.writeText "collector-config" ''
graph_json = https://hopglass-backend.hamburg.freifunk.net/mv1/graph.json
nodes_json = https://hopglass-backend.hamburg.freifunk.net/mv1/nodes.json
interval = 300
interval_forced = true
influx_url = http://127.0.0.1:8086/write?db=freifunk&u=knotendaten&p=@@INFLUXPASS@@&precision=s
region = ffhh
groups_dir = /home/freifunk/ffhh-statsgroups
'';
in in
{ {
systemd.services.collector = { systemd.services.collector = {
@ -20,9 +29,15 @@ in
RestartSec = 65; RestartSec = 65;
DynamicUser = true; DynamicUser = true;
PrivateTmp = true; PrivateTmp = true;
StateDirectory = "collector"; RuntimeDirectory = "collector";
# The config file is actually in /var/lib/private/collector, systemd maps that path to /var/lib/collector ExecStart = "${pkgs.ruby.withPackages (ps: with ps; [ json ])}/bin/ruby ${collector}/query-data.influx --config /run/collector/collector-config";
ExecStart = "${pkgs.ruby.withPackages (ps: with ps; [ json ])}/bin/ruby ${collector}/query-data.influx --config /var/lib/collector/ffhh.conf"; ExecStartPre = "${pkgs.writeShellScript "collector-init" ''
until [ -s /var/lib/influxdb/knotendaten.pw ]; do
sleep 1
done
read -N 32 -r knotendatenpw < /var/lib/influxdb/knotendaten.pw
${pkgs.gnused}/bin/sed -e "s/@@INFLUXPASS@@/$knotendatenpw/g" "${collector-config}" > /run/collector/collector-config
'' }";
}; };
}; };
} }