1 files changed, 77 insertions, 0 deletions
diff --git a/src/pybind/mgr/dashboard/frontend/src/app/shared/api/settings.service.ts b/src/pybind/mgr/dashboard/frontend/src/app/shared/api/settings.service.ts
new file mode 100644
index 000000000..1e53fa064
--- /dev/null
+++ b/src/pybind/mgr/dashboard/frontend/src/app/shared/api/settings.service.ts
@@ -0,0 +1,77 @@
+import { HttpClient } from '@angular/common/http';
+import { Injectable } from '@angular/core';
+
+import _ from 'lodash';
+import { Observable } from 'rxjs';
+import { map } from 'rxjs/operators';
+
+class SettingResponse {
+  name: string;
+  default: any;
+  type: string;
+  value: any;
+}
+
+@Injectable({
+  providedIn: 'root'
+})
+export class SettingsService {
+  constructor(private http: HttpClient) {}
+
+  private settings: { [url: string]: string } = {};
+
+  getValues(names: string | string[]): Observable<{ [key: string]: any }> {
+    if (_.isArray(names)) {
+      names = names.join(',');
+    }
+    return this.http.get(`api/settings?names=${names}`).pipe(
+      map((resp: SettingResponse[]) => {
+        const result = {};
+        _.forEach(resp, (option: SettingResponse) => {
+          _.set(result, option.name, option.value);
+        });
+        return result;
+      })
+    );
+  }
+
+  ifSettingConfigured(url: string, fn: (value?: string) => void, elseFn?: () => void): void {
+    const setting = this.settings[url];
+    if (setting === undefined) {
+      this.http.get(url).subscribe(
+        (data: any) => {
+          this.settings[url] = this.getSettingsValue(data);
+          this.ifSettingConfigured(url, fn, elseFn);
+        },
+        (resp) => {
+          if (resp.status !== 401) {
+            this.settings[url] = '';
+          }
+        }
+      );
+    } else if (setting !== '') {
+      fn(setting);
+    } else {
+      if (elseFn) {
+        elseFn();
+      }
+    }
+  }
+
+  // Easiest way to stop reloading external content that can't be reached
+  disableSetting(url: string) {
+    this.settings[url] = '';
+  }
+
+  private getSettingsValue(data: any): string {
+    return data.value || data.instance || '';
+  }
+
+  validateGrafanaDashboardUrl(uid: string) {
+    return this.http.get(`api/grafana/validation/${uid}`);
+  }
+
+  getStandardSettings(): Observable<{ [key: string]: any }> {
+    return this.http.get('ui-api/standard_settings');
+  }
+}