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HDDS-6706 Exposing Volume Information Metrics to the DataNode UI #3478

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Merged
jojochuang merged 3 commits into from
Jun 3, 2022
Merged

HDDS-6706 Exposing Volume Information Metrics to the DataNode UI #3478

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5d29cde
HDDS-6706 Exposing Volume Information Metrics to the DataNode UI
Jun 2, 2022
a923b1e
Data no more displayed in number of bytes
Jun 3, 2022
f8cf1d5
Fixed a typo
Jun 3, 2022
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30 changes: 30 additions & 0 deletions hadoop-hdds/container-service/src/main/resources/webapps/hddsDatanode/dn-overview.html
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Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,38 @@
See the License for the specific language governing permissions and
limitations under the License.
-->
<html>
<head><title>DataNode UI</title></head>
<body>
<table class="table table-bordered table-striped" class="col-md-6">
<tbody>
</tbody>
</table>

<h2>Volume Information</h2>
<table class="table table-bordered table-striped" class="col-md-6">
<thead>
<tr>
<th>Directory</th>
<th>Storage Type</th>
<th>Volume Type</th>
<th>Used Space</th>
<th>Available Space</th>
<th>Reserved</th>
<th>Total Capacity</th>
</tr>
</thead>
<tbody>
<tr ng-repeat="volumeInfo in $ctrl.dnmetrics">
<td>{{volumeInfo["tag.StorageDirectory"]}}</td>
<td>{{volumeInfo["tag.StorageType"]}}</td>
<td>{{volumeInfo["tag.VolumeType"]}}</td>
<td>{{volumeInfo.Used}}</td>
<td>{{volumeInfo.Available}}</td>
<td>{{volumeInfo.Reserved}}</td>
<td>{{volumeInfo.TotalCapacity}}</td>
</tr>
</tbody>
</table>
</body>
</html>
24 changes: 22 additions & 2 deletions hadoop-hdds/container-service/src/main/resources/webapps/hddsDatanode/dn.js
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Expand Up @@ -26,10 +26,30 @@
},
controller: function ($http) {
var ctrl = this;
$http.get("jmx?qry=Hadoop:service=HddsDatanode,name=StorageContainerMetrics")
$http.get("jmx?qry=Hadoop:service=HddsDatanode,name=VolumeInfoMetrics*")
.then(function (result) {
ctrl.dnmetrics = result.data.beans[0];
ctrl.dnmetrics = result.data.beans;
ctrl.dnmetrics.forEach(volume => {
volume.Used = transform(volume.Used);
volume.Available = transform(volume.Available);
volume.Reserved = transform(volume.Reserved);
volume.TotalCapacity = transform(volume.TotalCapacity);
})
});
}
});
function transform(v) {
var UNITS = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'ZB'];
var prev = 0, i = 0;
while (Math.floor(v) > 0 && i < UNITS.length) {
prev = v;
v /= 1024;
i += 1;
}
if (i > 0 && i < UNITS.length) {
v = prev;
i -= 1;
}
return Math.round(v * 100) / 100 + ' ' + UNITS[i];
}
})();