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configs.hass: export Home Assistant states into the monitoring
author
lassulus
committer
lassulus
date
(Oct 18, 2026, 10:33 AM CEST)
commit
498e5909
498e59090ba535c8079707dea39fbbe773474020
parent
e67b63dd
e67b63ddd98321cdd52b1d7d4aec273e36ee323c
+52
+1
configs/hass/default.nix
+1
configs/hass/default.nix
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configs/hass/monitoring.nix
+51
configs/hass/monitoring.nix
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# Home Assistant states into the monitoring (configs/monitoring): HA's
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# prometheus integration serves every entity on /api/prometheus, the Vector
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# agent scrapes it with a long-lived access token and writes it to
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# VictoriaMetrics like the host metrics (metric names homeassistant_*).
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{ config, pkgs, ... }:
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{
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# Mounted as a package; configuration.yaml in the volume loads
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# /config/packages (homeassistant: packages: !include_dir_named packages).
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virtualisation.oci-containers.containers.homeassistant.volumes = [
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"${
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pkgs.writeText "prometheus.yaml" (builtins.toJSON { prometheus = { }; })
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}:/config/packages/prometheus.yaml:ro"
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];
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# Create in HA: profile -> security -> long-lived access tokens.
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clan.core.vars.generators.hass-prometheus.prompts.token = {
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description = "Home Assistant long-lived access token for the Vector scrape of /api/prometheus";
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type = "hidden";
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persist = true;
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};
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systemd.services.vector.serviceConfig.LoadCredential = [
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"hass-token:${config.clan.core.vars.generators.hass-prometheus.files.token.path}"
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];
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monitoring.extraMetrics = [ "hass_metrics" ];
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services.vector.settings = {
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secret.credentials = {
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type = "directory";
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path = "/run/credentials/vector.service";
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};
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sources.hass_raw = {
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type = "prometheus_scrape";
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endpoints = [ "http://127.0.0.1:8123/api/prometheus" ];
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auth = {
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strategy = "bearer";
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token = "SECRET[credentials.hass-token]";
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};
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scrape_interval_secs = 60;
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scrape_timeout_secs = 30;
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};
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transforms.hass_metrics = {
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type = "remap";
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inputs = [ "hass_raw" ];
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source = ''
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.tags.host = "${config.networking.hostName}"
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'';
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};
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};
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}