1 files changed, 78 insertions, 0 deletions
diff --git a/src/pybind/mgr/dashboard/frontend/src/app/ceph/dashboard/mds-summary.pipe.ts b/src/pybind/mgr/dashboard/frontend/src/app/ceph/dashboard/mds-summary.pipe.ts
new file mode 100644
index 000000000..9cc72ac96
--- /dev/null
+++ b/src/pybind/mgr/dashboard/frontend/src/app/ceph/dashboard/mds-summary.pipe.ts
@@ -0,0 +1,78 @@
+import { Pipe, PipeTransform } from '@angular/core';
+
+import _ from 'lodash';
+
+@Pipe({
+  name: 'mdsSummary'
+})
+export class MdsSummaryPipe implements PipeTransform {
+  transform(value: any): any {
+    if (!value) {
+      return '';
+    }
+
+    let contentLine1 = '';
+    let contentLine2 = '';
+    let standbys = 0;
+    let active = 0;
+    let standbyReplay = 0;
+    _.each(value.standbys, () => {
+      standbys += 1;
+    });
+
+    if (value.standbys && !value.filesystems) {
+      contentLine1 = `${standbys} ${$localize`up`}`;
+      contentLine2 = $localize`no filesystems`;
+    } else if (value.filesystems.length === 0) {
+      contentLine1 = $localize`no filesystems`;
+    } else {
+      _.each(value.filesystems, (fs) => {
+        _.each(fs.mdsmap.info, (mds) => {
+          if (mds.state === 'up:standby-replay') {
+            standbyReplay += 1;
+          } else {
+            active += 1;
+          }
+        });
+      });
+
+      contentLine1 = `${active} ${$localize`active`}`;
+      contentLine2 = `${standbys + standbyReplay} ${$localize`standby`}`;
+    }
+    const standbyHoverText = value.standbys.map((s: any): string => s.name).join(', ');
+    const standbyTitleText = !standbyHoverText
+      ? ''
+      : `${$localize`standby daemons`}: ${standbyHoverText}`;
+    const fsLength = value.filesystems ? value.filesystems.length : 0;
+    const infoObject = fsLength > 0 ? value.filesystems[0].mdsmap.info : {};
+    const activeHoverText = Object.values(infoObject)
+      .map((info: any): string => info.name)
+      .join(', ');
+    let activeTitleText = !activeHoverText ? '' : `${$localize`active daemon`}: ${activeHoverText}`;
+    // There is always one standbyreplay to replace active daemon, if active one is down
+    if (!active && fsLength > 0) {
+      activeTitleText = `${standbyReplay} ${$localize`standbyReplay`}`;
+    }
+    const mgrSummary = [
+      {
+        content: contentLine1,
+        class: 'popover-info',
+        titleText: activeTitleText
+      }
+    ];
+    if (contentLine2) {
+      mgrSummary.push({
+        content: '',
+        class: 'card-text-line-break',
+        titleText: ''
+      });
+      mgrSummary.push({
+        content: contentLine2,
+        class: 'popover-info',
+        titleText: standbyTitleText
+      });
+    }
+
+    return mgrSummary;
+  }
+}