From 139fb1816e9044b392df8464b48a626025d9605e Mon Sep 17 00:00:00 2001
From: Adithya Nair <adtya@adtya.xyz>
Date: Sun, 27 Oct 2024 18:35:53 +0530
Subject: [PATCH] rico1: add alertmanager

---
 hosts/rico1/services/apps/alertmanager.nix | 49 ++++++++++++++++++++++
 hosts/rico1/services/apps/blocky.nix       |  2 +-
 hosts/rico1/services/apps/default.nix      |  1 +
 3 files changed, 51 insertions(+), 1 deletion(-)
 create mode 100644 hosts/rico1/services/apps/alertmanager.nix

diff --git a/hosts/rico1/services/apps/alertmanager.nix b/hosts/rico1/services/apps/alertmanager.nix
new file mode 100644
index 0000000..cbffd4b
--- /dev/null
+++ b/hosts/rico1/services/apps/alertmanager.nix
@@ -0,0 +1,49 @@
+_:
+let
+  inherit (import ../../../shared/caddy-helpers.nix) logFormat;
+  domainName = "alertmanager.labs.adtya.xyz";
+in
+{
+  services = {
+    caddy = {
+      virtualHosts."${domainName}" = {
+        logFormat = logFormat "${domainName}";
+        extraConfig = ''
+          reverse_proxy 127.0.0.1:9093
+        '';
+      };
+    };
+    prometheus.alertmanager = {
+      enable = true;
+      listenAddress = "127.0.0.1";
+      port = 9093;
+      webExternalUrl = "https://${domainName}/";
+      configuration = {
+        route = {
+          group_by = [ "alertname" ];
+          group_wait = "30s";
+          group_interval = "5m";
+          repeat_interval = "1h";
+          receiver = "web.hook";
+        };
+        receivers = [
+          {
+            name = "web.hook";
+            webhook_configs = [
+              { url = "http://127.0.0.1:5001/"; }
+            ];
+          }
+        ];
+        inhibit_rules = [
+          {
+            source_match =
+              { severity = "critical"; };
+            target_match =
+              { severity = "warning"; };
+            equal = [ "alertname" "dev" "instance" ];
+          }
+        ];
+      };
+    };
+  };
+}
diff --git a/hosts/rico1/services/apps/blocky.nix b/hosts/rico1/services/apps/blocky.nix
index b46bf2a..ab28600 100644
--- a/hosts/rico1/services/apps/blocky.nix
+++ b/hosts/rico1/services/apps/blocky.nix
@@ -74,7 +74,7 @@ in
             "rico2.labs.adtya.xyz" = "10.10.10.12";
             "wynne.labs.adtya.xyz" = "10.10.10.13";
             "layne.labs.adtya.xyz" = "10.10.10.14";
-            "alertmanager.labs.adtya.xyz" = "10.10.10.10";
+            "alertmanager.labs.adtya.xyz" = "10.10.10.11";
             "blocky.labs.adtya.xyz" = "10.10.10.11";
             "frp.labs.adtya.xyz" = "10.10.10.10";
             "grafana.labs.adtya.xyz" = "10.10.10.10";
diff --git a/hosts/rico1/services/apps/default.nix b/hosts/rico1/services/apps/default.nix
index b01f012..9d89119 100644
--- a/hosts/rico1/services/apps/default.nix
+++ b/hosts/rico1/services/apps/default.nix
@@ -3,6 +3,7 @@ _: {
     ./adtya.xyz.nix
     ./proofs.nix
     ./wiki.nix
+    ./alertmanager.nix
     ./blocky.nix
     ../../../shared/prometheus-exporters.nix
     ../../../shared/promtail.nix