1 files changed, 55 insertions, 0 deletions
diff --git a/src/pybind/mgr/dashboard/frontend/src/app/shared/pipes/mds-summary.pipe.ts b/src/pybind/mgr/dashboard/frontend/src/app/shared/pipes/mds-summary.pipe.ts
new file mode 100644
index 000000000..77758b71d
--- /dev/null
+++ b/src/pybind/mgr/dashboard/frontend/src/app/shared/pipes/mds-summary.pipe.ts
@@ -0,0 +1,55 @@
+import { Pipe, PipeTransform } from '@angular/core';
+
+import _ from 'lodash';
+
+@Pipe({
+  name: 'mdsSummary'
+})
+export class MdsSummaryPipe implements PipeTransform {
+  transform(value: any): any {
+    if (!value) {
+      return {
+        success: 0,
+        info: 0,
+        total: 0
+      };
+    }
+
+    let activeCount = 0;
+    let standbyCount = 0;
+    let standbys = 0;
+    let active = 0;
+    let standbyReplay = 0;
+    _.each(value.standbys, () => {
+      standbys += 1;
+    });
+
+    if (value.standbys && !value.filesystems) {
+      standbyCount = standbys;
+      activeCount = 0;
+    } else if (value.filesystems.length === 0) {
+      activeCount = 0;
+    } else {
+      _.each(value.filesystems, (fs) => {
+        _.each(fs.mdsmap.info, (mds) => {
+          if (mds.state === 'up:standby-replay') {
+            standbyReplay += 1;
+          } else {
+            active += 1;
+          }
+        });
+      });
+
+      activeCount = active;
+      standbyCount = standbys + standbyReplay;
+    }
+    const totalCount = activeCount + standbyCount;
+    const mdsSummary = {
+      success: activeCount,
+      info: standbyCount,
+      total: totalCount
+    };
+
+    return mdsSummary;
+  }
+}