Selection of dependent monitors

CNAME

@@ -1 +1 @@
-git.kuma.pet
+git.kuma.pet

db/patch-dependent-monitors-table.sql

@@ -0,0 +1,16 @@
+-- You should not modify if this have pushed to Github, unless it does serious wrong with the db.
+BEGIN TRANSACTION;
+
+ALTER TABLE monitor
+    ADD no_notification_if_master_down BOOLEAN default 0 NOT NULL;
+
+CREATE TABLE dependent_monitors
+(
+    id             INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    monitor_id     INTEGER NOT NULL,
+    depends_on     INTEGER NOT NULL,
+    CONSTRAINT FK_monitor_depends_on FOREIGN KEY (depends_on) REFERENCES monitor (id) ON DELETE CASCADE ON UPDATE CASCADE,
+    CONSTRAINT FK_monitor_id FOREIGN KEY (monitor_id) REFERENCES monitor (id) ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+COMMIT;

server/database.js

@@ -58,6 +58,7 @@ class Database {
         "patch-monitor-expiry-notification.sql": true,
         "patch-status-page-footer-css.sql": true,
         "patch-added-mqtt-monitor.sql": true,
+        "patch-dependent-monitors-table.sql": true,
     };
 
     /**

server/model/heartbeat.js

@@ -10,6 +10,7 @@ const { BeanModel } = require("redbean-node/dist/bean-model");
  *      0 = DOWN
  *      1 = UP
  *      2 = PENDING
+ *      4 = DEGRADED
  */
 class Heartbeat extends BeanModel {