From bdee5b86194b67b93557e6ef0c28ebb221ab36a3 Mon Sep 17 00:00:00 2001
From: notohh <github@notohh.dev>
Date: Mon, 19 Jun 2023 09:23:56 -0400
Subject: [PATCH] hosts: init prometheus on hosts

---
 hosts/arashi/services/default.nix    |  1 +
 hosts/arashi/services/prometheus.nix | 24 ++++++++++++++++++++++++
 hosts/kariru/services/default.nix    |  1 +
 hosts/kariru/services/prometheus.nix | 24 ++++++++++++++++++++++++
 hosts/sakura/services/grafana.nix    | 26 ++++++++++++++++++++++----
 hosts/sakura/services/prometheus.nix |  4 ++--
 hosts/yuki/services/default.nix      |  1 +
 hosts/yuki/services/prometheus.nix   | 24 ++++++++++++++++++++++++
 8 files changed, 99 insertions(+), 6 deletions(-)
 create mode 100644 hosts/arashi/services/prometheus.nix
 create mode 100644 hosts/kariru/services/prometheus.nix
 create mode 100644 hosts/yuki/services/prometheus.nix

diff --git a/hosts/arashi/services/default.nix b/hosts/arashi/services/default.nix
index f3c8b4a..a574ade 100644
--- a/hosts/arashi/services/default.nix
+++ b/hosts/arashi/services/default.nix
@@ -2,5 +2,6 @@ _: {
   imports = [
     ./postgresql.nix
     ./redis.nix
+    ./prometheus.nix
   ];
 }
diff --git a/hosts/arashi/services/prometheus.nix b/hosts/arashi/services/prometheus.nix
new file mode 100644
index 0000000..928d912
--- /dev/null
+++ b/hosts/arashi/services/prometheus.nix
@@ -0,0 +1,24 @@
+_: {
+  networking.firewall.allowedTCPPorts = [9090];
+  services.prometheus = {
+    enable = true;
+    scrapeConfigs = [
+      {
+        job_name = "prometheus";
+        scrape_interval = "30s";
+        static_configs = [{targets = ["localhost:9090"];}];
+      }
+      {
+        job_name = "node";
+        scrape_interval = "30s";
+        static_configs = [{targets = ["localhost:9100"];}];
+      }
+    ];
+    exporters = {
+      node = {
+        enable = true;
+        enabledCollectors = ["systemd" "cpu"];
+      };
+    };
+  };
+}
diff --git a/hosts/kariru/services/default.nix b/hosts/kariru/services/default.nix
index 92c06ca..7cf6424 100644
--- a/hosts/kariru/services/default.nix
+++ b/hosts/kariru/services/default.nix
@@ -2,6 +2,7 @@ _: {
   imports = [
     ./traefik.nix
     ./torrent.nix
+    ./prometheus.nix
   ];
   services.radarr = {
     enable = true;
diff --git a/hosts/kariru/services/prometheus.nix b/hosts/kariru/services/prometheus.nix
new file mode 100644
index 0000000..928d912
--- /dev/null
+++ b/hosts/kariru/services/prometheus.nix
@@ -0,0 +1,24 @@
+_: {
+  networking.firewall.allowedTCPPorts = [9090];
+  services.prometheus = {
+    enable = true;
+    scrapeConfigs = [
+      {
+        job_name = "prometheus";
+        scrape_interval = "30s";
+        static_configs = [{targets = ["localhost:9090"];}];
+      }
+      {
+        job_name = "node";
+        scrape_interval = "30s";
+        static_configs = [{targets = ["localhost:9100"];}];
+      }
+    ];
+    exporters = {
+      node = {
+        enable = true;
+        enabledCollectors = ["systemd" "cpu"];
+      };
+    };
+  };
+}
diff --git a/hosts/sakura/services/grafana.nix b/hosts/sakura/services/grafana.nix
index 7e508d4..fe542b3 100644
--- a/hosts/sakura/services/grafana.nix
+++ b/hosts/sakura/services/grafana.nix
@@ -14,15 +14,15 @@ _: {
       };
       users = {
         allow_signup = false;
-        auto_assign_org = true;
-        auto_assign_org_role = "Viewer";
+      };
+      feature_toggles = {
+        publicDashboards = true;
       };
       database = {
         type = "postgres";
         host = "192.168.1.211:5432";
         name = "grafana";
         user = "grafana";
-        password = "grafana";
         ssl_mode = "disable";
       };
     };
@@ -32,7 +32,25 @@ _: {
           {
             name = "Prometheus";
             type = "prometheus";
-            url = "http://127.0.0.0:9090";
+            url = "http://localhost:9090";
+            orgId = 1;
+          }
+          {
+            name = "Prometheus-kariru";
+            type = "prometheus";
+            url = "http://192.168.1.54:9090";
+            orgId = 1;
+          }
+          {
+            name = "Prometheus-yuki";
+            type = "prometheus";
+            url = "http://192.168.1.36:9090";
+            orgId = 1;
+          }
+          {
+            name = "Prometheus-arashi";
+            type = "prometheus";
+            url = "http://192.168.1.211:9090";
             orgId = 1;
           }
         ];
diff --git a/hosts/sakura/services/prometheus.nix b/hosts/sakura/services/prometheus.nix
index 428b6aa..1941647 100644
--- a/hosts/sakura/services/prometheus.nix
+++ b/hosts/sakura/services/prometheus.nix
@@ -5,12 +5,12 @@ _: {
       {
         job_name = "prometheus";
         scrape_interval = "30s";
-        static_configs = [{targets = ["127.0.0.0:9090"];}];
+        static_configs = [{targets = ["localhost:9090"];}];
       }
       {
         job_name = "node";
         scrape_interval = "30s";
-        static_configs = [{targets = ["127.0.0.0:9100"];}];
+        static_configs = [{targets = ["localhost:9100"];}];
       }
     ];
     exporters = {
diff --git a/hosts/yuki/services/default.nix b/hosts/yuki/services/default.nix
index 1a1402f..406e829 100644
--- a/hosts/yuki/services/default.nix
+++ b/hosts/yuki/services/default.nix
@@ -8,5 +8,6 @@
     ./homarr.nix
     ./dashdot.nix
     ./miniflux.nix
+    ./prometheus.nix
   ];
 }
diff --git a/hosts/yuki/services/prometheus.nix b/hosts/yuki/services/prometheus.nix
new file mode 100644
index 0000000..928d912
--- /dev/null
+++ b/hosts/yuki/services/prometheus.nix
@@ -0,0 +1,24 @@
+_: {
+  networking.firewall.allowedTCPPorts = [9090];
+  services.prometheus = {
+    enable = true;
+    scrapeConfigs = [
+      {
+        job_name = "prometheus";
+        scrape_interval = "30s";
+        static_configs = [{targets = ["localhost:9090"];}];
+      }
+      {
+        job_name = "node";
+        scrape_interval = "30s";
+        static_configs = [{targets = ["localhost:9100"];}];
+      }
+    ];
+    exporters = {
+      node = {
+        enable = true;
+        enabledCollectors = ["systemd" "cpu"];
+      };
+    };
+  };
+}