From 010f3ece9099dac7f5b34e42e515b6707be1ce1e Mon Sep 17 00:00:00 2001
From: Ryan Yin <xiaoyin_c@qq.com>
Date: Sun, 18 Feb 2024 20:44:24 +0800
Subject: [PATCH] feat: prometheus targets

---
 Justfile                                | 11 ++++------
 hosts/idols_aquamarine/router.nix       |  1 +
 hosts/idols_ruby/prometheus/default.nix | 29 +++++++++++++++++++++++++
 3 files changed, 34 insertions(+), 7 deletions(-)

diff --git a/Justfile b/Justfile
index b13c8fee..fe45c5e5 100644
--- a/Justfile
+++ b/Justfile
@@ -93,24 +93,21 @@ colmena-ssh-key:
   ssh-add /etc/agenix/ssh-key-romantic
 
 lab:
-  colmena apply --on '@homelab'
-
-lab-debug:
   colmena apply --on '@homelab' --verbose --show-trace
 
 aqua:
-  colmena apply --on '@aqua'
+  colmena apply --on '@aqua' --verbose --show-trace
   # some config changes require a restart of the dae service
   ssh ryan@aquamarine "sudo systemctl stop dae; sleep 1; sudo systemctl start dae"
 
 ruby:
-  colmena apply --on '@ruby'
+  colmena apply --on '@ruby' --verbose --show-trace
 
 kana:
-  colmena apply --on '@kana'
+  colmena apply --on '@kana' --verbose --show-trace
 
 tsgw:
-  colmena apply --on '@tailscale_gw'
+  colmena apply --on '@tailscale-gw' --verbose --show-trace
 
 pve-aqua:
   nom build .#aquamarine
diff --git a/hosts/idols_aquamarine/router.nix b/hosts/idols_aquamarine/router.nix
index bc2e3066..1325d552 100644
--- a/hosts/idols_aquamarine/router.nix
+++ b/hosts/idols_aquamarine/router.nix
@@ -172,6 +172,7 @@ in {
     listenAddress = "0.0.0.0";
     port = 9153;
     openFirewall = false;
+    leasesPath = "/var/lib/dnsmasq/dnsmasq.leases";
   };
 
   # The service irqbalance is useful as it assigns certain IRQ calls to specific CPUs instead of
diff --git a/hosts/idols_ruby/prometheus/default.nix b/hosts/idols_ruby/prometheus/default.nix
index 798a4987..0046ac7c 100644
--- a/hosts/idols_ruby/prometheus/default.nix
+++ b/hosts/idols_ruby/prometheus/default.nix
@@ -46,6 +46,7 @@
     # specifies a set of targets and parameters describing how to scrape metrics from them.
     # https://prometheus.io/docs/prometheus/latest/configuration/configuration/#scrape_config
     scrapeConfigs = [
+      # --- Hosts --- #
       {
         job_name = "node-exporter";
         scrape_interval = "30s";
@@ -60,6 +61,34 @@
           }
         ];
       }
+
+      # --- Homelab Applications --- #
+
+      {
+        job_name = "dnsmasq-exporter";
+        scrape_interval = "30s";
+        metrics_path = "/metrics";
+        static_configs = [
+          {
+            targets = ["${vars_networking.hostAddress.aquamarine.address}:9153"];
+            labels.type = "app";
+            labels.app = "dnsmasq";
+          }
+        ];
+      }
+
+      {
+        job_name = "v2ray-exporter";
+        scrape_interval = "30s";
+        metrics_path = "/metrics";
+        static_configs = [
+          {
+            targets = ["${vars_networking.hostAddress.kana.address}:9153"];
+            labels.type = "app";
+            labels.app = "v2ray";
+          }
+        ];
+      }
     ];
 
     # specifies Alertmanager instances the Prometheus server sends alerts to