From c8beafd0215fa2f105193fa3b0697bb2eb2b88fc Mon Sep 17 00:00:00 2001
From: Max <max@privatevoid.net>
Date: Wed, 3 Aug 2022 23:36:11 +0200
Subject: [PATCH] modules/monitoring: convert to cluster service

---
 .../services/monitoring/client.nix            | 25 +++++++------------
 cluster/services/monitoring/default.nix       | 18 +++++++++++++
 cluster/services/wireguard/default.nix        |  4 +++
 modules/default.nix                           |  2 --
 4 files changed, 31 insertions(+), 18 deletions(-)
 rename modules/monitoring/default.nix => cluster/services/monitoring/client.nix (75%)
 create mode 100644 cluster/services/monitoring/default.nix

diff --git a/modules/monitoring/default.nix b/cluster/services/monitoring/client.nix
similarity index 75%
rename from modules/monitoring/default.nix
rename to cluster/services/monitoring/client.nix
index adfa336..0fd571d 100644
--- a/modules/monitoring/default.nix
+++ b/cluster/services/monitoring/client.nix
@@ -1,6 +1,6 @@
-{ config, hosts, lib, pkgs, ... }:
+{ cluster, config, lib, pkgs, ... }:
 let
-  myNode = hosts.${config.networking.hostName};
+  myNode = cluster.config.vars.mesh.${cluster.config.vars.hostName};
 
   writeJSON = filename: data: pkgs.writeText filename (builtins.toJSON data);
 
@@ -8,35 +8,28 @@ let
     source_labels = [ from ];
     target_label = to;
   };
-in
-{
-  # remote loki
-  links.loki = {
-    protocol = "http";
-    ipv4 = hosts.VEGAS.hypr.addr;
-  };
-
+in {
   services.journald.extraConfig = "Storage=volatile";
 
   services.prometheus.exporters = {
     node = {
       enable = true;
-      listenAddress = myNode.hypr.addr;
+      listenAddress = myNode.meshIp;
     };
 
     jitsi = {
       enable = config.services.jitsi-meet.enable;
-      listenAddress = myNode.hypr.addr;
+      listenAddress = myNode.meshIp;
       interval = "60s";
     };
   };
 
   systemd.services.prometheus-node-exporter = {
-    after = [ "hyprspace.service" "sys-devices-virtual-net-hyprspace.device" ];
+    after = [ "wireguard-wgmesh.service" ];
     serviceConfig.RestartSec = "10s";
   };
   systemd.services.prometheus-jitsi-exporter = {
-    after = [ "hyprspace.service" "sys-devices-virtual-net-hyprspace.device" ];
+    after = [ "wireguard-wgmesh.service" ];
     serviceConfig.RestartSec = "10s";
   };
 
@@ -48,14 +41,14 @@ in
         server.disable = true;
         positions.filename = "\${STATE_DIRECTORY:/tmp}/promtail-positions.yaml";
         clients = [
-          { url = "${config.links.loki.url}/loki/api/v1/push"; }
+          { url = "${cluster.config.links.loki-ingest.url}/loki/api/v1/push"; }
         ];
         scrape_configs = [
           {
             job_name = "journal";
             journal = {
               max_age = "12h";
-              labels.host = config.networking.hostName;
+              labels.host = cluster.config.vars.hostName;
             };
               relabel_configs = [
                 (relabel "__journal__systemd_unit" "systemd_unit")
diff --git a/cluster/services/monitoring/default.nix b/cluster/services/monitoring/default.nix
new file mode 100644
index 0000000..98e3188
--- /dev/null
+++ b/cluster/services/monitoring/default.nix
@@ -0,0 +1,18 @@
+{ config, ... }:
+
+{
+  links = {
+    loki-ingest = {
+      protocol = "http";
+      ipv4 = config.vars.mesh.VEGAS.meshIp;
+    };
+  };
+  services.monitoring = {
+    nodes = {
+      client = [ "VEGAS" "prophet" ];
+    };
+    nixos = {
+      client = ./client.nix;
+    };
+  };
+}
diff --git a/cluster/services/wireguard/default.nix b/cluster/services/wireguard/default.nix
index d9d8d77..bcebe6f 100644
--- a/cluster/services/wireguard/default.nix
+++ b/cluster/services/wireguard/default.nix
@@ -12,6 +12,10 @@ let
   getExtAddr = host: host.interfaces.primary.addrPublic or host.interfaces.primary.addr;
 in
 {
+  vars.mesh = {
+    VEGAS = config.links.mesh-node-VEGAS.extra;
+    prophet = config.links.mesh-node-prophet.extra;
+  };
   links = {
     mesh-node-VEGAS = {
       ipv4 = getExtAddr hosts.VEGAS;
diff --git a/modules/default.nix b/modules/default.nix
index 45c50a6..0d8d559 100644
--- a/modules/default.nix
+++ b/modules/default.nix
@@ -12,7 +12,6 @@ let
     ipfs = import ./ipfs;
     maintenance = import ./maintenance;
     minimal = import ./minimal;
-    monitoring = import ./monitoring;
     motd = import ./motd;
     nix-builder = import ./nix-builder;
     nix-config-server = import ./nix-config/server.nix;
@@ -43,7 +42,6 @@ in rec {
     server = [
       deploy-rs-receiver
       fail2ban
-      monitoring
       motd
       nix-config-server
       system-info