/// <summary>Generate decommissioning datanode report in XML format</summary>
/// <param name="doc">, xmloutputter</param>
/// <exception cref="System.IO.IOException"/>
public virtual void ToXML(XMLOutputter doc)
{
if (error != null)
{
CreateGeneralException(doc, clusterid, StringUtils.StringifyException(error));
doc.GetWriter().Flush();
return;
}
if (statusMap == null || statusMap.IsEmpty())
{
// none of the namenodes has reported, print exceptions from each nn.
doc.StartTag("cluster");
CreateNamenodeExceptionMsg(doc, exceptions);
doc.EndTag();
doc.GetWriter().Flush();
return;
}
doc.StartTag("cluster");
doc.Attribute("clusterId", clusterid);
doc.StartTag("decommissioningReport");
CountDecommissionDatanodes();
ToXmlItemBlock(doc, ClusterJspHelper.DecommissionStates.Decommissioned.ToString()
, Sharpen.Extensions.ToString(decommissioned));
ToXmlItemBlock(doc, ClusterJspHelper.DecommissionStates.DecommissionInprogress.ToString
(), Sharpen.Extensions.ToString(decommissioning));
ToXmlItemBlock(doc, ClusterJspHelper.DecommissionStates.PartiallyDecommissioned.ToString
(), Sharpen.Extensions.ToString(partial));
doc.EndTag();
// decommissioningReport
doc.StartTag("datanodes");
ICollection <string> dnSet = statusMap.Keys;
foreach (string dnhost in dnSet)
{
IDictionary <string, string> nnStatus = statusMap[dnhost];
if (nnStatus == null || nnStatus.IsEmpty())
{
continue;
}
string overallStatus = nnStatus[OverallStatus];
// check if datanode is in decommission states
if (overallStatus != null && (overallStatus.Equals(DatanodeInfo.AdminStates.DecommissionInprogress
.ToString()) || overallStatus.Equals(DatanodeInfo.AdminStates.Decommissioned.ToString
()) || overallStatus.Equals(ClusterJspHelper.DecommissionStates.PartiallyDecommissioned
.ToString()) || overallStatus.Equals(ClusterJspHelper.DecommissionStates.Unknown
.ToString())))
{
doc.StartTag("node");
// dn
ToXmlItemBlockWithLink(doc, dnhost, new Uri("http", dnhost, httpPort, string.Empty
), "DataNode");
// overall status first
ToXmlItemBlock(doc, OverallStatus, overallStatus);
foreach (KeyValuePair <string, string> m in nnStatus)
{
string nn = m.Key;
if (nn.Equals(OverallStatus))
{
continue;
}
// xml
ToXmlItemBlock(doc, nn, nnStatus[nn]);
}
doc.EndTag();
}
}
// node
doc.EndTag();
// datanodes
CreateNamenodeExceptionMsg(doc, exceptions);
doc.EndTag();
}
/// <exception cref="System.IO.IOException"/>
public virtual void ToXML(XMLOutputter doc)
{
if (error != null)
{
// general exception, only print exception message onto web page.
CreateGeneralException(doc, clusterid, StringUtils.StringifyException(error));
doc.GetWriter().Flush();
return;
}
int size = nnList.Count;
long total = 0L;
long free = 0L;
long nonDfsUsed = 0l;
float dfsUsedPercent = 0.0f;
float dfsRemainingPercent = 0.0f;
if (size > 0)
{
total = total_sum / size;
free = free_sum / size;
nonDfsUsed = nonDfsUsed_sum / size;
dfsUsedPercent = DFSUtil.GetPercentUsed(clusterDfsUsed, total);
dfsRemainingPercent = DFSUtil.GetPercentRemaining(free, total);
}
doc.StartTag("cluster");
doc.Attribute("clusterId", clusterid);
doc.StartTag("storage");
ToXmlItemBlock(doc, "Total Files And Directories", System.Convert.ToString(totalFilesAndDirectories
));
ToXmlItemBlock(doc, "Configured Capacity", StringUtils.ByteDesc(total));
ToXmlItemBlock(doc, "DFS Used", StringUtils.ByteDesc(clusterDfsUsed));
ToXmlItemBlock(doc, "Non DFS Used", StringUtils.ByteDesc(nonDfsUsed));
ToXmlItemBlock(doc, "DFS Remaining", StringUtils.ByteDesc(free));
// dfsUsedPercent
ToXmlItemBlock(doc, "DFS Used%", DFSUtil.Percent2String(dfsUsedPercent));
// dfsRemainingPercent
ToXmlItemBlock(doc, "DFS Remaining%", DFSUtil.Percent2String(dfsRemainingPercent)
);
doc.EndTag();
// storage
doc.StartTag("namenodes");
// number of namenodes
ToXmlItemBlock(doc, "NamenodesCount", Sharpen.Extensions.ToString(size));
foreach (ClusterJspHelper.NamenodeStatus nn in nnList)
{
doc.StartTag("node");
ToXmlItemBlockWithLink(doc, nn.host, nn.httpAddress, "NameNode");
ToXmlItemBlock(doc, "Blockpool Used", StringUtils.ByteDesc(nn.bpUsed));
ToXmlItemBlock(doc, "Blockpool Used%", DFSUtil.Percent2String(DFSUtil.GetPercentUsed
(nn.bpUsed, total)));
ToXmlItemBlock(doc, "Files And Directories", System.Convert.ToString(nn.filesAndDirectories
));
ToXmlItemBlock(doc, "Blocks", System.Convert.ToString(nn.blocksCount));
ToXmlItemBlock(doc, "Missing Blocks", System.Convert.ToString(nn.missingBlocksCount
));
ToXmlItemBlockWithLink(doc, nn.liveDatanodeCount + " (" + nn.liveDecomCount + ")"
, new Uri(nn.httpAddress, "/dfsnodelist.jsp?whatNodes=LIVE"), "Live Datanode (Decommissioned)"
);
ToXmlItemBlockWithLink(doc, nn.deadDatanodeCount + " (" + nn.deadDecomCount + ")"
, new Uri(nn.httpAddress, "/dfsnodelist.jsp?whatNodes=DEAD"), "Dead Datanode (Decommissioned)"
);
ToXmlItemBlock(doc, "Software Version", nn.softwareVersion);
doc.EndTag();
}
// node
doc.EndTag();
// namenodes
CreateNamenodeExceptionMsg(doc, nnExceptions);
doc.EndTag();
// cluster
doc.GetWriter().Flush();
}