Feature: system status (#5743)

src-ui/src/app/data/system-status.ts

@@ -0,0 +1,41 @@
+export enum InstallType {
+  Containerized = 'containerized',
+  BareMetal = 'bare-metal',
+}
+
+export enum SystemStatusItemStatus {
+  OK = 'OK',
+  ERROR = 'ERROR',
+}
+
+export interface SystemStatus {
+  pngx_version: string
+  server_os: string
+  install_type: InstallType
+  storage: {
+    total: number
+    available: number
+  }
+  database: {
+    type: string
+    url: string
+    status: SystemStatusItemStatus
+    error?: string
+    migration_status: {
+      latest_migration: string
+      unapplied_migrations: string[]
+    }
+  }
+  tasks: {
+    redis_url: string
+    redis_status: SystemStatusItemStatus
+    redis_error: string
+    celery_status: SystemStatusItemStatus
+    index_status: SystemStatusItemStatus
+    index_last_modified: string // ISO date string
+    index_error: string
+    classifier_status: SystemStatusItemStatus
+    classifier_last_trained: string // ISO date string
+    classifier_error: string
+  }
+}