secrets: add passwords for gatus dbms checkers

hosts/ildkule/services/monitoring/gatus/default.nix

@@ -5,6 +5,8 @@ in
 {
   imports = [
     ./minecraft-checker.nix
+    ./postgres-checker.nix
+    ./mariadb-checker.nix
   ];
 
   services.gatus = {
@@ -133,6 +135,18 @@ in
             "[BODY].ok == true"
           ];
         })
+        (mkService "PostgreSQL" "http://localhost:1338" // {
+          conditions = [
+            "[STATUS] == 200"
+            "[BODY].ok == true"
+          ];
+        })
+        (mkService "MariaDB" "http://localhost:1339" // {
+          conditions = [
+            "[STATUS] == 200"
+            "[BODY].ok == true"
+          ];
+        })
         (mkService "Email (SMTP)" "starttls://mail.pvv.ntnu.no:587")
         (mkService "Email (POP3)" "tls://mail.pvv.ntnu.no:995")
         (mkService "Email (IMAP)" "tls://mail.pvv.ntnu.no:993")

hosts/ildkule/services/monitoring/gatus/mariadb-checker.nix

@@ -0,0 +1,79 @@
+{ config, pkgs, ... }:
+{
+  sops.secrets."keys/gatus/mariadb" = {
+    restartUnits = [ "phh-gatus-mariadb-checker.service" ];
+  };
+
+  sops.templates."gatus-mariadb-checker.env" = {
+    restartUnits = [ "phh-gatus-mariadb-checker.service" ];
+    content = ''
+      MYSQL_HOST=mysql.pvv.ntnu.no
+      MYSQL_PORT=3306
+      MYSQL_DATABASE=mysql
+      MYSQL_USER=gatus_healthcheck
+      MYSQL_PASSWORD=${config.sops.placeholder."keys/gatus/mariadb"}
+    '';
+  };
+
+  services.python-http-handlers."gatus-mariadb-checker" = {
+    listenStreams = [ "127.0.0.1:1339" ];
+    libraries = with pkgs.python3Packages; [
+      pymysql
+    ];
+    serviceConfig = {
+      EnvironmentFile = config.sops.templates."gatus-mariadb-checker.env".path;
+    };
+    handler = ''
+      import os
+      import json
+      import pymysql
+
+      class Handler(BaseHTTPRequestHandler):
+          def do_GET(self):
+              try:
+                  conn = pymysql.connect(
+                      host=os.environ["MYSQL_HOST"],
+                      port=int(os.environ.get("MYSQL_PORT", "3306")),
+                      user=os.environ["MYSQL_USER"],
+                      password=os.environ["MYSQL_PASSWORD"],
+                      database=os.environ.get("MYSQL_DATABASE", "mysql"),
+                      connect_timeout=5,
+                  )
+
+                  try:
+                      with conn.cursor() as cur:
+                          cur.execute("SELECT VERSION();")
+                          (version,) = cur.fetchone()
+
+                          cur.execute("SHOW STATUS LIKE 'Threads_connected';")
+                          (_, connections) = cur.fetchone()
+
+                          cur.execute("SHOW DATABASES;")
+                          databases = cur.fetchall()
+                  finally:
+                      conn.close()
+
+                  body = {
+                      "ok": True,
+                      "version": version,
+                      "connections": int(connections),
+                      "databases": len(databases),
+                  }
+                  data = json.dumps(body).encode()
+
+                  self.send_response(200)
+                  self.send_header("Content-Type", "application/json")
+                  self.send_header("Content-Length", str(len(data)))
+                  self.end_headers()
+                  self.wfile.write(data)
+
+              except Exception as e:
+                  data = json.dumps({"ok": False, "error": str(e)}).encode()
+                  self.send_response(500)
+                  self.send_header("Content-Type", "application/json")
+                  self.send_header("Content-Length", str(len(data)))
+                  self.end_headers()
+                  self.wfile.write(data)
+    '';
+  };
+}

hosts/ildkule/services/monitoring/gatus/postgres-checker.nix

@@ -0,0 +1,79 @@
+{ config, pkgs, ... }:
+{
+  sops.secrets."keys/gatus/postgres" = {
+    restartUnits = [ "phh-gatus-postgres-checker.service" ];
+  };
+
+  sops.templates."gatus-postgres-checker.env" = {
+    restartUnits = [ "phh-gatus-postgres-checker.service" ];
+    content = ''
+      PGHOST=postgres.pvv.ntnu.no
+      PGPORT=5432
+      PGDATABASE=postgres
+      PGUSER=gatus_healthcheck
+      PGPASSWORD=${config.sops.placeholder."keys/gatus/postgres"}
+    '';
+  };
+
+  services.python-http-handlers."gatus-postgres-checker" = {
+    listenStreams = [ "127.0.0.1:1338" ];
+    libraries = with pkgs.python3Packages; [
+      psycopg2
+    ];
+    serviceConfig = {
+      EnvironmentFile = config.sops.templates."gatus-postgres-checker.env".path;
+    };
+    handler = ''
+      import os
+      import json
+      import psycopg2
+
+      class Handler(BaseHTTPRequestHandler):
+          def do_GET(self):
+              try:
+                  conn = psycopg2.connect(
+                      host=os.environ["PGHOST"],
+                      port=os.environ.get("PGPORT", "5432"),
+                      dbname=os.environ.get("PGDATABASE", "postgres"),
+                      user=os.environ["PGUSER"],
+                      password=os.environ["PGPASSWORD"],
+                      connect_timeout=5,
+                  )
+
+                  try:
+                      with conn.cursor() as cur:
+                          cur.execute("SELECT version();")
+                          (version,) = cur.fetchone()
+
+                          cur.execute("SELECT count(*) FROM pg_stat_activity;")
+                          (connections,) = cur.fetchone()
+
+                          cur.execute("SELECT count(*) FROM pg_database WHERE NOT datistemplate;")
+                          (databases,) = cur.fetchone()
+                  finally:
+                      conn.close()
+
+                  body = {
+                      "ok": True,
+                      "version": version,
+                      "connections": connections,
+                      "databases": databases,
+                  }
+                  data = json.dumps(body).encode()
+
+                  self.send_response(200)
+                  self.send_header("Content-Type", "application/json")
+                  self.send_header("Content-Length", str(len(data)))
+                  self.end_headers()
+                  self.wfile.write(data)
+
+              except Exception as e:
+                  data = json.dumps({"ok": False, "error": str(e)}).encode()
+                  self.send_response(500)
+                  self.send_header("Content-Type", "application/json")
+                  self.send_header("Content-Length", str(len(data)))
+                  self.end_headers()
+                  self.wfile.write(data)
+    '';
+  };
+}

secrets/ildkule/ildkule.yaml

@@ -1,6 +1,9 @@
 config:
     mysqld_exporter_password: ENC[AES256_GCM,data:I9K+QMqaN3FOOVKzeOR9Q6UERStXX0P8WEHyN1jzzbM=,iv:UxvIdlfAyJvNuxPkU4+guKPa0fiD0vVLzHOTYktcmso=,tag:ltnIqEwESYx9HBu8UN0ZLw==,type:str]
 keys:
+    gatus:
+        mariadb: ENC[AES256_GCM,data:U7CGtjHacJlKcReEw3JO86okCVgLAkP92iX1bHGNw8qeImpvk5mNw77Ox7tbsChvozrJWa/Npu2pTBsNnVYYYA==,iv:hWa+KPiBc3AnH1tHCGJa8LhPXZ1o8sxufpGe7nUjV0E=,tag:mso5HEfmWAOGw350408X7g==,type:str]
+        postgres: ENC[AES256_GCM,data:7fI0JeZDK1MX5poXWaMo67PXbjdjvM+xPKioHSHmGdS8iNDGe5Ym6LlS/hOnPvvDuNFyHjKKizqDst0227U2gg==,iv:D3bz/xyFrnQsUCiMEFq8JOjSudyiw+idEMWQ1e6Uk3k=,tag:8XqadKVHK9NMWehK7V5J0Q==,type:str]
     grafana:
         secret_key: ENC[AES256_GCM,data:+WoAJbDBEgKs0RoHT+7oEELAVQ+/2Xt+5RTMSXg23moCqVRx+Gzll9P5Drw=,iv:AkRn/Y20iEe5i1T+84wAgLCTFtAox2G3giyawAkltAw=,tag:BZbt5Wb5lYLIJBm/pfP4GQ==,type:str]
         admin_password: ENC[AES256_GCM,data:ttKwfC4WuXeL/6x4,iv:x1X+e3z08CR992GzC62YnFIN7SGrE81/nDNrgcgVzx0=,tag:YajUoy61kYbpeGeC7yNrXQ==,type:str]
@@ -9,8 +12,7 @@ keys:
         postgres_exporter_knakelibrak_env: ENC[AES256_GCM,data:xjC7DGXrW2GIJq8XioIZb+jSe/Hzcz0tv9cUHmX/n1nhI+D64lYt+EKnq1+RX/vJzU4sTaKjveKBh88Qqnv6RQm+MZC//dIxcvnnAdl50qnHZyBCaFFEzSNI8I8vGyArMk8Ja72clBq3kMpUz/pLBP0qDrjblKDoWkU=,iv:ZW98hJy8A5t4Oxtu17R3tM7gou183VLbgBsHA8LFuJY=,tag:VMOvQz3X/XDylV1YFg2Jsg==,type:str]
 sops:
     age:
-        - recipient: age102e6y8gah0ntr6fxqnkpepc8ar29p6ls7ks9ka7v8w87q8scm9yqmc2u8d
-          enc: |
+        - enc: |
             -----BEGIN AGE ENCRYPTED FILE-----
             YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSAyTWRSM3IwMmxtTmZVcCsw
             OUhlakxHZzgrSEhEdUZFTXE1anNjQ2wvdkZFCnB6S1l3TXQ3ZGFYWmtYM1cwMFZT
@@ -18,8 +20,8 @@ sops:
             YlltQ3FBU3RBYUx4TnNPRk1SUWNqZG8KAJjc09x553ncaWduGLsnIHdroaOmMasP
             /fq0GzW6UNfmE2rQ6qrQti21B37/sN0WMLCSPLUPG45kBgx20GG4hQ==
             -----END AGE ENCRYPTED FILE-----
-        - recipient: age1ug30gg4y7ftuya0wdv7q0vh4egn00wlv2th7mt7cgc2ze46wmvyq9lq6ge
-          enc: |
+          recipient: age102e6y8gah0ntr6fxqnkpepc8ar29p6ls7ks9ka7v8w87q8scm9yqmc2u8d
+        - enc: |
             -----BEGIN AGE ENCRYPTED FILE-----
             YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBTOWFvcFFzc1lmNVdmV3lX
             cVVLNHowcGdENzI5UUJLZTNSMHhjNlI2c0FnCmdwOS9oL1kwTnhwbXRodWxxWVE3
@@ -27,8 +29,8 @@ sops:
             eDVwd2dKMG9FRW1OY1pyUkhLeWw3b0EKtJpsQ/Ss39ZLiRNqUhn8sdB3hpQy7Syv
             ererqhMkqmDugGEHPk6KpZuj7DVSK1di7JgA2qZOUPzI7UpxjaC0Kg==
             -----END AGE ENCRYPTED FILE-----
-        - recipient: age1mrnldl334l2nszuta6ywvewng0fswv2dz9l5g4qcwe3nj4yxf92qjskdx6
-          enc: |
+          recipient: age1ug30gg4y7ftuya0wdv7q0vh4egn00wlv2th7mt7cgc2ze46wmvyq9lq6ge
+        - enc: |
             -----BEGIN AGE ENCRYPTED FILE-----
             YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBOQU1iVXRkQmo4b3F1Vngz
             S0pkNkVFR1FUb1djdmI0eHh3V3BBTDJTSTJZClA0S0Z0cTdFRmRaOEZQdHQzdGZ3
@@ -36,8 +38,8 @@ sops:
             REdjRFZyY2pNdEd6cmgvQisyVDhLUEkKRItJ0CGbzlEB5RNAyem4feMVhTfcLef3
             QIqltZ2l4LLexnkECi3FCJZHxrbUa+/RF6p1DsueUw7LLUnOcphB9A==
             -----END AGE ENCRYPTED FILE-----
-        - recipient: age1hmpdk4h69wxpwqk9tkud39f66hprhehxtzhgw97r6dvr7v0mx5jscsuhkn
-          enc: |
+          recipient: age1mrnldl334l2nszuta6ywvewng0fswv2dz9l5g4qcwe3nj4yxf92qjskdx6
+        - enc: |
             -----BEGIN AGE ENCRYPTED FILE-----
             YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSAvZTBpaWM0c1hmODBaK0Iw
             bmp1NzRacklXMHU0K2J2d0g5ajBiNlRNWGhRCm1DOWI0cm5BdTdlNmFzM2JVekNk
@@ -45,8 +47,8 @@ sops:
             U0ZCT2toZ1ZMZ3E0bXRhSTQvNGFWNVkKhxfQDIDe2LQW7OMBJv0J267AW1wI32df
             ZQxd657TEqzm7i19azrCS0jyRbfj2MYzEJAtTGiGZaNC9uKDFzBhKw==
             -----END AGE ENCRYPTED FILE-----
-        - recipient: age1wrssr4z4g6vl3fd3qme5cewchmmhm0j2xe6wf2meu4r6ycn37anse98mfs
-          enc: |
+          recipient: age1hmpdk4h69wxpwqk9tkud39f66hprhehxtzhgw97r6dvr7v0mx5jscsuhkn
+        - enc: |
             -----BEGIN AGE ENCRYPTED FILE-----
             YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBmRlJROHRKb21YUnlicmc1
             MlptQllEcXFhajNKS1krMDdUMWk5QWo4eVJBCndGSlhXS1Vaa2RSTllIcmF1ZVpl
@@ -54,8 +56,8 @@ sops:
             TE41aFdjU0h0ekQ2Zjg4Z3VQVjFWcnMK6zjSalqeYjyc4NH6nOeghlhYJydrz4pM
             N5ZcXjRbrIVFdhbYnvQGKvGKZm0kK6vjzBjdT7BM6ctr8cq/qrz1xQ==
             -----END AGE ENCRYPTED FILE-----
-        - recipient: age1zhxul786an743u0fascv4wtc5xduu7qfy803lfs539yzhgmlq5ds2lznt5
-          enc: |
+          recipient: age1wrssr4z4g6vl3fd3qme5cewchmmhm0j2xe6wf2meu4r6ycn37anse98mfs
+        - enc: |
             -----BEGIN AGE ENCRYPTED FILE-----
             YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBIRXpBa2tYc2xEeldub0VK
             bkFwOFdlUGRZM0FVT0tyUW1RWnl0TjRUTUh3CnZlMC92MU1hRW1yZU1NSUdoUEZh
@@ -63,8 +65,8 @@ sops:
             aXFQWlNVQ2laVm1ETStRemNZRXc3TUEKlPYSU3gp67dsPfbEJkru4ieMvspC7+pu
             rfp315HLyj1FGhrA8f2qOxE/PYI2rn0yKm80KffWBV7ylX/uonm4Fg==
             -----END AGE ENCRYPTED FILE-----
-        - recipient: age1sqs7urnzsdy64efmd0zukzv3gs5pnjksuxd7nqmdwdy5l0nqnunq6hyune
-          enc: |
+          recipient: age1zhxul786an743u0fascv4wtc5xduu7qfy803lfs539yzhgmlq5ds2lznt5
+        - enc: |
             -----BEGIN AGE ENCRYPTED FILE-----
             YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBsaTEzOFBEeG9LVThSVmQ5
             VXBoaFpueFRCbFJ1akE4RWc1aE1HUmVGcXdZCjFnbU0wd2drazNsTmNBMHNuOFhO
@@ -72,8 +74,9 @@ sops:
             dC9meDZlc3d3aUJEVjc4REF0Y1BLcGcK79LbJzc5KVgEgyJR11crGuX8YcVoJBbT
             Fin7Zoon06L7qx0Zw5u27wV7RKMnYT7hOMiWs6660ZTLcYJ5M1aEZQ==
             -----END AGE ENCRYPTED FILE-----
-    lastmodified: "2025-03-16T20:08:18Z"
-    mac: ENC[AES256_GCM,data:C2tpWppc13jKJq5d4nmAKQOaNWHm27TKwxAxm1fi2lejN1lqUaoz5bHfTBA7MfaWvuP5uZnfbtG32eeu48mnlWpo58XRUFFecAhb9JUpW9s5IR3/nbzLNkGU7H5C0oWPrxI4thd+bAVduIgBjjFyGj1pe6J9db3c0yUWRwNlwGU=,iv:YpoQ4psiFYOWLGipxv1QvRvr034XFsyn2Bhyy39HmOo=,tag:ByiCWygFC/VokVTbdLoLgg==,type:str]
+          recipient: age1sqs7urnzsdy64efmd0zukzv3gs5pnjksuxd7nqmdwdy5l0nqnunq6hyune
+    lastmodified: "2026-07-21T09:40:54Z"
+    mac: ENC[AES256_GCM,data:FLpmsW9I21qNMFs6Tn/1AzFo+RcmCwtVdAaaGIrGlUi2l3gzb//ZK6ruI/VYx1R5DoX1OhD3EIg6aLMSOT6jiHf+8GwfhdijpayG1nrgeZW3SuFbjVlCYNMPH3DOJJB82U3T+ozSbpnZEtdUwmNWcZJt5F2hOEnoaNa+jLEKDao=,iv:qyQuyWuu+w2ynRvhIx0QVtw+tieO3dbQsUxEB5Brzp0=,tag:qYAj4h6foWm16YqIdZ6xbQ==,type:str]
     pgp:
         - created_at: "2026-05-20T17:35:58Z"
           enc: |-
@@ -96,4 +99,4 @@ sops:
             -----END PGP MESSAGE-----
           fp: F7D37890228A907440E1FD4846B9228E814A2AAC
     unencrypted_suffix: _unencrypted
-    version: 3.9.4
+    version: 3.13.2