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feat: adguardhome use DoT; fix loki home proxy; allow arbitrary telegraf secrets

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oddlama 2024-05-25 15:49:41 +02:00
parent 93061af475
commit 045f15239a
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11 changed files with 114 additions and 173 deletions
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30
modules/telegraf.nix
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@ -27,6 +27,15 @@ in {
description = "Scrape sensors with lm_sensors. You should disable this for virtualized hosts.";
};
secrets = mkOption {
type = types.attrsOf types.path;
default = {};
example = {
"@INFLUX_TOKEN@" = "/run/agenix/influx-token";
};
description = "Additional secrets to replace in pre-start. The attr name will be searched and replaced in the config with the value read from the given file.";
};
influxdb2 = {
domain = mkOption {
type = types.str;
@ -86,6 +95,8 @@ in {
group = "telegraf";
};
meta.telegraf.secrets."@INFLUX_TOKEN@" = config.age.secrets.telegraf-influxdb-token.path;
security.elewrap.telegraf-sensors = mkIf cfg.scrapeSensors {
command = ["${pkgs.lm_sensors}/bin/sensors" "-A" "-u"];
targetUser = "root";
@ -125,7 +136,7 @@ in {
outputs = {
influxdb_v2 = {
urls = ["https://${cfg.influxdb2.domain}"];
token = "$INFLUX_TOKEN";
token = "@INFLUX_TOKEN@";
inherit (cfg.influxdb2) organization bucket;
};
};
@ -202,12 +213,19 @@ in {
(pkgs.writeShellScriptBin "sensors" config.security.elewrap.telegraf-sensors.path))
];
serviceConfig = {
Environment = "INFLUX_TOKEN=\$INFLUX_TOKEN"; # Required so the first envsubst in the original module doesn't change it
ExecStartPre = mkAfter [
(pkgs.writeShellScript "pre-start-token" ''
export INFLUX_TOKEN=$(< ${config.age.secrets.telegraf-influxdb-token.path})
${pkgs.envsubst}/bin/envsubst -i /var/run/telegraf/config.toml -o /var/run/telegraf/config.toml
'')
(
pkgs.writeShellScript "pre-start-token" (lib.concatLines (
lib.flip lib.mapAttrsToList config.meta.telegraf.secrets (
key: secret: ''
${lib.getExe pkgs.replace-secret} \
${lib.escapeShellArg key} \
${lib.escapeShellArg secret} \
/var/run/telegraf/config.toml
''
)
))
)
];
# For wireguard statistics
AmbientCapabilities = ["CAP_NET_ADMIN"];