From c54b655b0e3edfc88dfaf290fc7ee0b7c593dc18 Mon Sep 17 00:00:00 2001
From: June <june@jsts.xyz>
Date: Thu, 3 Oct 2024 16:09:42 +0200
Subject: [PATCH] all: setup prometheus node exporter for all hosts on
 Chaosknoten

Do that so we can have monitoring for them via prometheus, alertmanager
and grafana.
Also add a local ip for the git host for PVE firewalling.
---
 config/extra/prometheus-exporter.nix |  8 ++++++++
 config/hosts/git/networking.nix      |  4 ++++
 flake.nix                            | 10 ++++++++++
 3 files changed, 22 insertions(+)
 create mode 100644 config/extra/prometheus-exporter.nix

diff --git a/config/extra/prometheus-exporter.nix b/config/extra/prometheus-exporter.nix
new file mode 100644
index 0000000..46477ed
--- /dev/null
+++ b/config/extra/prometheus-exporter.nix
@@ -0,0 +1,8 @@
+{ ... }:
+
+{
+  services.prometheus.exporters.node = {
+    enable = true;
+    openFirewall = true;
+  };
+}
diff --git a/config/hosts/git/networking.nix b/config/hosts/git/networking.nix
index 688fff3..34159f9 100644
--- a/config/hosts/git/networking.nix
+++ b/config/hosts/git/networking.nix
@@ -11,6 +11,10 @@
           address = "212.12.51.136";
           prefixLength = 28;
         }
+        {
+          address = "172.31.17.154";
+          prefixLength = 25;
+        }
       ];
       ipv6.addresses = [
         {
diff --git a/flake.nix b/flake.nix
index 4e33852..106daa5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -113,6 +113,7 @@
             ./config/common
             ./config/proxmox-vm
             sops-nix.nixosModules.sops
+            ./config/extra/prometheus-exporter.nix
             ./config/hosts/netbox
           ];
         };
@@ -123,6 +124,7 @@
             ./config/common
             ./config/proxmox-vm
             sops-nix.nixosModules.sops
+            ./config/extra/prometheus-exporter.nix
             ./config/hosts/matrix
           ];
         };
@@ -133,6 +135,7 @@
             ./config/common
             ./config/proxmox-vm
             sops-nix.nixosModules.sops
+            ./config/extra/prometheus-exporter.nix
             ./config/hosts/public-web-static
           ];
         };
@@ -143,6 +146,7 @@
             ./config/common
             ./config/proxmox-vm
             sops-nix.nixosModules.sops
+            ./config/extra/prometheus-exporter.nix
             ./config/hosts/git
           ];
         };
@@ -153,6 +157,7 @@
             ./config/common
             ./config/proxmox-vm
             sops-nix.nixosModules.sops
+            ./config/extra/prometheus-exporter.nix
             ./config/hosts/forgejo-actions-runner
           ];
         };
@@ -171,6 +176,7 @@
           modules = [
             ./config/common
             ./config/proxmox-vm
+            ./config/extra/prometheus-exporter.nix
             ./config/hosts/eh22-wiki
           ];
         };
@@ -180,6 +186,7 @@
           modules = [
             ./config/common
             ./config/proxmox-vm
+            ./config/extra/prometheus-exporter.nix
             ./config/hosts/nix-box-june
           ];
         };
@@ -208,6 +215,7 @@
             ./config/common
             ./config/proxmox-vm
             sops-nix.nixosModules.sops
+            ./config/extra/prometheus-exporter.nix
             ./config/hosts/mjolnir
           ];
         };
@@ -218,6 +226,7 @@
             ./config/common
             ./config/proxmox-vm
             sops-nix.nixosModules.sops
+            ./config/extra/prometheus-exporter.nix
             ./config/hosts/woodpecker
           ];
           specialArgs = {
@@ -241,6 +250,7 @@
             ./config/common
             ./config/proxmox-vm
             sops-nix.nixosModules.sops
+            ./config/extra/prometheus-exporter.nix
             ./config/hosts/penpot
           ];
         };