From d03be78a637cf9138aa86a24ff16f3df64688496 Mon Sep 17 00:00:00 2001
From: Pim Kunis <pim@kunis.nl>
Date: Tue, 5 Mar 2024 21:50:43 +0100
Subject: [PATCH] enable email alerting in gatus

---
 nix/modules/monitoring/default.nix                 | 14 ++++++++++++++
 nix/modules/monitoring/gatus-endpoints.nix         |  9 +++++++--
 .../networking/dmz_services/zones/kun.is.nix       | 12 ++++++++----
 3 files changed, 29 insertions(+), 6 deletions(-)

diff --git a/nix/modules/monitoring/default.nix b/nix/modules/monitoring/default.nix
index 49267ed..bc9099b 100644
--- a/nix/modules/monitoring/default.nix
+++ b/nix/modules/monitoring/default.nix
@@ -58,6 +58,20 @@ in
       settings = {
         web.port = 4242;
         endpoints = import ./gatus-endpoints.nix;
+
+        alerting.email = {
+          from = "gatus@kun.is";
+          host = "mail.smtp2go.com";
+          port = 2525;
+          to = "pim@kunis.nl";
+          client.insecure = true;
+          default-alert = {
+            enabled = true;
+            failure-threshold = 2;
+            success-threshold = 1;
+            send-on-resolved = true;
+          };
+        };
       };
     };
   };
diff --git a/nix/modules/monitoring/gatus-endpoints.nix b/nix/modules/monitoring/gatus-endpoints.nix
index 3aae24d..92a7f66 100644
--- a/nix/modules/monitoring/gatus-endpoints.nix
+++ b/nix/modules/monitoring/gatus-endpoints.nix
@@ -20,7 +20,7 @@ let
         "[BODY].installed == true"
         "[BODY].maintenance == false"
         "[BODY].needsDbUpgrade == false"
-        (maxResponseTime 750)
+        (maxResponseTime 1000)
       ];
     }
     {
@@ -184,4 +184,9 @@ let
     }
   ];
 in
-map (endpoint: endpoint // { interval = "5m"; }) endpoints
+map
+  (endpoint: endpoint // {
+    interval = "5m";
+    alerts = [{ type = "email"; }];
+  })
+  endpoints
diff --git a/nix/modules/networking/dmz_services/zones/kun.is.nix b/nix/modules/networking/dmz_services/zones/kun.is.nix
index a527c96..a13c443 100644
--- a/nix/modules/networking/dmz_services/zones/kun.is.nix
+++ b/nix/modules/networking/dmz_services/zones/kun.is.nix
@@ -21,6 +21,10 @@ in
     (mx.mx 10 "mail.kun.is.")
   ];
 
+  TXT = [
+    (with spf; soft [ "include:spf.glasnet.nl" ])
+  ];
+
   subdomains = {
     "*" = {
       A = [ cfg.public.ipv4.router ];
@@ -60,17 +64,17 @@ in
       AAAA = [ cfg.dmz.ipv6.router ];
     };
 
-#for SMTP2GO to be able send emails from kun.is domain
+    #for SMTP2GO to be able send emails from kun.is domain
     em670271 = {
-      CNAME = ["return.smtp2go.net."];
+      CNAME = [ "return.smtp2go.net." ];
     };
 
     "s670271._domainkey" = {
-      CNAME = ["dkim.smtp2go.net."];
+      CNAME = [ "dkim.smtp2go.net." ];
     };
 
     link = {
-      CNAME = ["track.smtp2go.net."];
+      CNAME = [ "track.smtp2go.net." ];
     };
 
   };