alerting for gateways and relays

backend/src/db/migrations/20251008220303_relay-gateway-health-alarm.ts

@@ -0,0 +1,29 @@
+import { Knex } from "knex";
+
+import { TableName } from "../schemas";
+
+export async function up(knex: Knex): Promise<void> {
+  if (!(await knex.schema.hasColumn(TableName.Relay, "healthAlertedAt"))) {
+    await knex.schema.alterTable(TableName.Relay, (t) => {
+      t.datetime("healthAlertedAt");
+    });
+  }
+  if (!(await knex.schema.hasColumn(TableName.GatewayV2, "healthAlertedAt"))) {
+    await knex.schema.alterTable(TableName.GatewayV2, (t) => {
+      t.datetime("healthAlertedAt");
+    });
+  }
+}
+
+export async function down(knex: Knex): Promise<void> {
+  if (await knex.schema.hasColumn(TableName.GatewayV2, "healthAlertedAt")) {
+    await knex.schema.alterTable(TableName.GatewayV2, (t) => {
+      t.dropColumn("healthAlertedAt");
+    });
+  }
+  if (await knex.schema.hasColumn(TableName.Relay, "healthAlertedAt")) {
+    await knex.schema.alterTable(TableName.Relay, (t) => {
+      t.dropColumn("healthAlertedAt");
+    });
+  }
+}

backend/src/db/schemas/gateways-v2.ts

@@ -18,7 +18,8 @@ export const GatewaysV2Schema = z.object({
   relayId: z.string().uuid().nullable().optional(),
   name: z.string(),
   heartbeat: z.date().nullable().optional(),
-  encryptedPamSessionKey: zodBuffer.nullable().optional()
+  encryptedPamSessionKey: zodBuffer.nullable().optional(),
+  healthAlertedAt: z.date().nullable().optional()
 });
 
 export type TGatewaysV2 = z.infer<typeof GatewaysV2Schema>;

backend/src/db/schemas/relays.ts

@@ -15,7 +15,8 @@ export const RelaysSchema = z.object({
   identityId: z.string().uuid().nullable().optional(),
   name: z.string(),
   host: z.string(),
-  heartbeat: z.date().nullable().optional()
+  heartbeat: z.date().nullable().optional(),
+  healthAlertedAt: z.date().nullable().optional()
 });
 
 export type TRelays = z.infer<typeof RelaysSchema>;