[120] | 1 | package org.apache.hadoop.hdfs.server.namenode; |
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| 2 | |
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| 3 | import javax.servlet.*; |
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| 4 | import javax.servlet.http.*; |
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| 5 | import javax.servlet.jsp.*; |
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| 6 | import javax.servlet.*; |
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| 7 | import javax.servlet.http.*; |
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| 8 | import java.io.*; |
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| 9 | import java.util.*; |
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| 10 | import org.apache.hadoop.fs.*; |
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| 11 | import org.apache.hadoop.hdfs.*; |
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| 12 | import org.apache.hadoop.hdfs.server.namenode.*; |
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| 13 | import org.apache.hadoop.hdfs.server.datanode.*; |
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| 14 | import org.apache.hadoop.hdfs.server.common.Storage; |
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| 15 | import org.apache.hadoop.hdfs.server.common.Storage.StorageDirectory; |
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| 16 | import org.apache.hadoop.hdfs.protocol.*; |
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| 17 | import org.apache.hadoop.util.*; |
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| 18 | import java.text.DateFormat; |
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| 19 | import java.lang.Math; |
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| 20 | import java.net.URLEncoder; |
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| 21 | |
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| 22 | public final class dfshealth_jsp extends org.apache.jasper.runtime.HttpJspBase |
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| 23 | implements org.apache.jasper.runtime.JspSourceDependent { |
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| 24 | |
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| 25 | |
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| 26 | JspHelper jspHelper = new JspHelper(); |
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| 27 | |
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| 28 | int rowNum = 0; |
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| 29 | int colNum = 0; |
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| 30 | |
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| 31 | String rowTxt() { colNum = 0; |
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| 32 | return "<tr class=\"" + (((rowNum++)%2 == 0)? "rowNormal" : "rowAlt") |
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| 33 | + "\"> "; } |
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| 34 | String colTxt() { return "<td id=\"col" + ++colNum + "\"> "; } |
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| 35 | void counterReset () { colNum = 0; rowNum = 0 ; } |
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| 36 | |
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| 37 | long diskBytes = 1024 * 1024 * 1024; |
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| 38 | String diskByteStr = "GB"; |
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| 39 | |
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| 40 | String sorterField = null; |
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| 41 | String sorterOrder = null; |
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| 42 | |
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| 43 | String NodeHeaderStr(String name) { |
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| 44 | String ret = "class=header"; |
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| 45 | String order = "ASC"; |
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| 46 | if ( name.equals( sorterField ) ) { |
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| 47 | ret += sorterOrder; |
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| 48 | if ( sorterOrder.equals("ASC") ) |
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| 49 | order = "DSC"; |
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| 50 | } |
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| 51 | ret += " onClick=\"window.document.location=" + |
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| 52 | "'/dfshealth.jsp?sorter/field=" + name + "&sorter/order=" + |
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| 53 | order + "'\" title=\"sort on this column\""; |
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| 54 | |
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| 55 | return ret; |
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| 56 | } |
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| 57 | |
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| 58 | public void generateNodeData( JspWriter out, DatanodeDescriptor d, |
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| 59 | String suffix, boolean alive, |
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| 60 | int nnHttpPort ) |
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| 61 | throws IOException { |
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| 62 | |
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| 63 | /* Say the datanode is dn1.hadoop.apache.org with ip 192.168.0.5 |
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| 64 | we use: |
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| 65 | 1) d.getHostName():d.getPort() to display. |
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| 66 | Domain and port are stripped if they are common across the nodes. |
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| 67 | i.e. "dn1" |
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| 68 | 2) d.getHost():d.Port() for "title". |
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| 69 | i.e. "192.168.0.5:50010" |
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| 70 | 3) d.getHostName():d.getInfoPort() for url. |
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| 71 | i.e. "http://dn1.hadoop.apache.org:50075/..." |
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| 72 | Note that "d.getHost():d.getPort()" is what DFS clients use |
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| 73 | to interact with datanodes. |
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| 74 | */ |
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| 75 | // from nn_browsedfscontent.jsp: |
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| 76 | String url = "http://" + d.getHostName() + ":" + d.getInfoPort() + |
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| 77 | "/browseDirectory.jsp?namenodeInfoPort=" + |
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| 78 | nnHttpPort + "&dir=" + |
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| 79 | URLEncoder.encode("/", "UTF-8"); |
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| 80 | |
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| 81 | String name = d.getHostName() + ":" + d.getPort(); |
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| 82 | if ( !name.matches( "\\d+\\.\\d+.\\d+\\.\\d+.*" ) ) |
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| 83 | name = name.replaceAll( "\\.[^.:]*", "" ); |
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| 84 | int idx = (suffix != null && name.endsWith( suffix )) ? |
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| 85 | name.indexOf( suffix ) : -1; |
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| 86 | |
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| 87 | out.print( rowTxt() + "<td class=\"name\"><a title=\"" |
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| 88 | + d.getHost() + ":" + d.getPort() + |
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| 89 | "\" href=\"" + url + "\">" + |
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| 90 | (( idx > 0 ) ? name.substring(0, idx) : name) + "</a>" + |
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| 91 | (( alive ) ? "" : "\n") ); |
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| 92 | if ( !alive ) |
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| 93 | return; |
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| 94 | |
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| 95 | long c = d.getCapacity(); |
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| 96 | long u = d.getDfsUsed(); |
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| 97 | long nu = d.getNonDfsUsed(); |
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| 98 | long r = d.getRemaining(); |
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| 99 | String percentUsed = StringUtils.limitDecimalTo2(d.getDfsUsedPercent()); |
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| 100 | String percentRemaining = StringUtils.limitDecimalTo2(d.getRemainingPercent()); |
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| 101 | |
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| 102 | String adminState = (d.isDecommissioned() ? "Decommissioned" : |
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| 103 | (d.isDecommissionInProgress() ? "Decommission In Progress": |
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| 104 | "In Service")); |
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| 105 | |
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| 106 | long timestamp = d.getLastUpdate(); |
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| 107 | long currentTime = System.currentTimeMillis(); |
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| 108 | out.print("<td class=\"lastcontact\"> " + |
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| 109 | ((currentTime - timestamp)/1000) + |
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| 110 | "<td class=\"adminstate\">" + |
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| 111 | adminState + |
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| 112 | "<td align=\"right\" class=\"capacity\">" + |
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| 113 | StringUtils.limitDecimalTo2(c*1.0/diskBytes) + |
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| 114 | "<td align=\"right\" class=\"used\">" + |
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| 115 | StringUtils.limitDecimalTo2(u*1.0/diskBytes) + |
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| 116 | "<td align=\"right\" class=\"nondfsused\">" + |
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| 117 | StringUtils.limitDecimalTo2(nu*1.0/diskBytes) + |
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| 118 | "<td align=\"right\" class=\"remaining\">" + |
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| 119 | StringUtils.limitDecimalTo2(r*1.0/diskBytes) + |
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| 120 | "<td align=\"right\" class=\"pcused\">" + percentUsed + |
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| 121 | "<td class=\"pcused\">" + |
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| 122 | ServletUtil.percentageGraph( (int)Double.parseDouble(percentUsed) , 100) + |
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| 123 | "<td align=\"right\" class=\"pcremaining`\">" + percentRemaining + |
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| 124 | "<td title=" + "\"blocks scheduled : " + d.getBlocksScheduled() + |
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| 125 | "\" class=\"blocks\">" + d.numBlocks() + "\n"); |
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| 126 | } |
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| 127 | |
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| 128 | |
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| 129 | public void generateConfReport( JspWriter out, |
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| 130 | FSNamesystem fsn, |
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| 131 | HttpServletRequest request) |
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| 132 | throws IOException { |
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| 133 | long underReplicatedBlocks = fsn.getUnderReplicatedBlocks(); |
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| 134 | FSImage fsImage = fsn.getFSImage(); |
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| 135 | List<Storage.StorageDirectory> removedStorageDirs = fsImage.getRemovedStorageDirs(); |
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| 136 | String storageDirsSizeStr="", removedStorageDirsSizeStr="", storageDirsStr="", removedStorageDirsStr="", storageDirsDiv="", removedStorageDirsDiv=""; |
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| 137 | |
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| 138 | //FS Image storage configuration |
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| 139 | out.print("<h3> NameNode Storage: </h3>"); |
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| 140 | out.print("<div id=\"dfstable\"> <table border=1 cellpadding=10 cellspacing=0 title=\"NameNode Storage\">\n"+ |
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| 141 | "<thead><tr><td><b>Storage Directory</b></td><td><b>Type</b></td><td><b>State</b></td></tr></thead>"); |
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| 142 | |
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| 143 | StorageDirectory st =null; |
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| 144 | for (Iterator<StorageDirectory> it = fsImage.dirIterator(); it.hasNext();) { |
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| 145 | st = it.next(); |
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| 146 | String dir = "" + st.getRoot(); |
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| 147 | String type = "" + st.getStorageDirType(); |
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| 148 | out.print("<tr><td>"+dir+"</td><td>"+type+"</td><td>Active</td></tr>"); |
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| 149 | } |
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| 150 | |
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| 151 | long storageDirsSize = removedStorageDirs.size(); |
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| 152 | for(int i=0; i< storageDirsSize; i++){ |
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| 153 | st = removedStorageDirs.get(i); |
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| 154 | String dir = "" + st.getRoot(); |
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| 155 | String type = "" + st.getStorageDirType(); |
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| 156 | out.print("<tr><td>"+dir+"</td><td>"+type+"</td><td><font color=red>Failed</font></td></tr>"); |
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| 157 | } |
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| 158 | |
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| 159 | out.print("</table></div><br>\n"); |
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| 160 | } |
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| 161 | |
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| 162 | |
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| 163 | public void generateDFSHealthReport(JspWriter out, |
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| 164 | NameNode nn, |
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| 165 | HttpServletRequest request) |
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| 166 | throws IOException { |
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| 167 | FSNamesystem fsn = nn.getNamesystem(); |
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| 168 | ArrayList<DatanodeDescriptor> live = new ArrayList<DatanodeDescriptor>(); |
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| 169 | ArrayList<DatanodeDescriptor> dead = new ArrayList<DatanodeDescriptor>(); |
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| 170 | jspHelper.DFSNodesStatus(live, dead); |
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| 171 | |
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| 172 | sorterField = request.getParameter("sorter/field"); |
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| 173 | sorterOrder = request.getParameter("sorter/order"); |
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| 174 | if ( sorterField == null ) |
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| 175 | sorterField = "name"; |
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| 176 | if ( sorterOrder == null ) |
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| 177 | sorterOrder = "ASC"; |
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| 178 | |
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| 179 | // Find out common suffix. Should this be before or after the sort? |
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| 180 | String port_suffix = null; |
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| 181 | if ( live.size() > 0 ) { |
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| 182 | String name = live.get(0).getName(); |
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| 183 | int idx = name.indexOf(':'); |
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| 184 | if ( idx > 0 ) { |
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| 185 | port_suffix = name.substring( idx ); |
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| 186 | } |
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| 187 | |
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| 188 | for ( int i=1; port_suffix != null && i < live.size(); i++ ) { |
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| 189 | if ( live.get(i).getName().endsWith( port_suffix ) == false ) { |
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| 190 | port_suffix = null; |
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| 191 | break; |
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| 192 | } |
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| 193 | } |
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| 194 | } |
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| 195 | |
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| 196 | counterReset(); |
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| 197 | |
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| 198 | long total = fsn.getCapacityTotal(); |
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| 199 | long remaining = fsn.getCapacityRemaining(); |
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| 200 | long used = fsn.getCapacityUsed(); |
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| 201 | long nonDFS = fsn.getCapacityUsedNonDFS(); |
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| 202 | float percentUsed = fsn.getCapacityUsedPercent(); |
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| 203 | float percentRemaining = fsn.getCapacityRemainingPercent(); |
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| 204 | |
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| 205 | out.print( "<div id=\"dfstable\"> <table>\n" + |
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| 206 | rowTxt() + colTxt() + "Configured Capacity" + colTxt() + ":" + colTxt() + |
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| 207 | StringUtils.byteDesc( total ) + |
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| 208 | rowTxt() + colTxt() + "DFS Used" + colTxt() + ":" + colTxt() + |
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| 209 | StringUtils.byteDesc( used ) + |
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| 210 | rowTxt() + colTxt() + "Non DFS Used" + colTxt() + ":" + colTxt() + |
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| 211 | StringUtils.byteDesc( nonDFS ) + |
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| 212 | rowTxt() + colTxt() + "DFS Remaining" + colTxt() + ":" + colTxt() + |
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| 213 | StringUtils.byteDesc( remaining ) + |
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| 214 | rowTxt() + colTxt() + "DFS Used%" + colTxt() + ":" + colTxt() + |
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| 215 | StringUtils.limitDecimalTo2(percentUsed) + " %" + |
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| 216 | rowTxt() + colTxt() + "DFS Remaining%" + colTxt() + ":" + colTxt() + |
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| 217 | StringUtils.limitDecimalTo2(percentRemaining) + " %" + |
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| 218 | rowTxt() + colTxt() + |
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| 219 | "<a href=\"dfsnodelist.jsp?whatNodes=LIVE\">Live Nodes</a> " + |
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| 220 | colTxt() + ":" + colTxt() + live.size() + |
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| 221 | rowTxt() + colTxt() + |
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| 222 | "<a href=\"dfsnodelist.jsp?whatNodes=DEAD\">Dead Nodes</a> " + |
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| 223 | colTxt() + ":" + colTxt() + dead.size() + |
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| 224 | "</table></div><br>\n" ); |
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| 225 | |
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| 226 | if (live.isEmpty() && dead.isEmpty()) { |
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| 227 | out.print("There are no datanodes in the cluster"); |
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| 228 | } |
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| 229 | } |
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| 230 | private static java.util.List _jspx_dependants; |
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| 231 | |
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| 232 | public Object getDependants() { |
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| 233 | return _jspx_dependants; |
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| 234 | } |
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| 235 | |
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| 236 | public void _jspService(HttpServletRequest request, HttpServletResponse response) |
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| 237 | throws java.io.IOException, ServletException { |
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| 238 | |
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| 239 | JspFactory _jspxFactory = null; |
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| 240 | PageContext pageContext = null; |
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| 241 | HttpSession session = null; |
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| 242 | ServletContext application = null; |
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| 243 | ServletConfig config = null; |
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| 244 | JspWriter out = null; |
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| 245 | Object page = this; |
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| 246 | JspWriter _jspx_out = null; |
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| 247 | PageContext _jspx_page_context = null; |
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| 248 | |
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| 249 | |
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| 250 | try { |
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| 251 | _jspxFactory = JspFactory.getDefaultFactory(); |
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| 252 | response.setContentType("text/html; charset=UTF-8"); |
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| 253 | pageContext = _jspxFactory.getPageContext(this, request, response, |
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| 254 | null, true, 8192, true); |
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| 255 | _jspx_page_context = pageContext; |
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| 256 | application = pageContext.getServletContext(); |
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| 257 | config = pageContext.getServletConfig(); |
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| 258 | session = pageContext.getSession(); |
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| 259 | out = pageContext.getOut(); |
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| 260 | _jspx_out = out; |
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| 261 | |
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| 262 | out.write('\n'); |
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| 263 | out.write('\n'); |
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| 264 | out.write('\n'); |
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| 265 | |
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| 266 | NameNode nn = (NameNode)application.getAttribute("name.node"); |
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| 267 | FSNamesystem fsn = nn.getNamesystem(); |
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| 268 | String namenodeLabel = nn.getNameNodeAddress().getHostName() + ":" + nn.getNameNodeAddress().getPort(); |
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| 269 | |
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| 270 | out.write("\n\n<html>\n\n<link rel=\"stylesheet\" type=\"text/css\" href=\"/static/hadoop.css\">\n<title>Hadoop NameNode "); |
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| 271 | out.print(namenodeLabel); |
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| 272 | out.write("</title>\n \n<body>\n<h1>NameNode '"); |
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| 273 | out.print(namenodeLabel); |
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| 274 | out.write("'</h1>\n\n\n<div id=\"dfstable\"> <table>\t \n<tr> <td id=\"col1\"> Started: <td> "); |
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| 275 | out.print( fsn.getStartTime()); |
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| 276 | out.write("\n<tr> <td id=\"col1\"> Version: <td> "); |
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| 277 | out.print( VersionInfo.getVersion()); |
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| 278 | out.write(','); |
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| 279 | out.write(' '); |
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| 280 | out.write('r'); |
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| 281 | out.print( VersionInfo.getRevision()); |
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| 282 | out.write("\n<tr> <td id=\"col1\"> Compiled: <td> "); |
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| 283 | out.print( VersionInfo.getDate()); |
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| 284 | out.write(" by "); |
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| 285 | out.print( VersionInfo.getUser()); |
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| 286 | out.write("\n<tr> <td id=\"col1\"> Upgrades: <td> "); |
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| 287 | out.print( jspHelper.getUpgradeStatusText()); |
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| 288 | out.write("\n</table></div><br>\t\t\t\t \n\n<b><a href=\"/nn_browsedfscontent.jsp\">Browse the filesystem</a></b><br>\n<b><a href=\"/logs/\">Namenode Logs</a></b>\n\n<hr>\n<h3>Cluster Summary</h3>\n<b> "); |
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| 289 | out.print( jspHelper.getSafeModeText()); |
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| 290 | out.write(" </b>\n<b> "); |
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| 291 | out.print( jspHelper.getInodeLimitText()); |
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| 292 | out.write(" </b>\n<a class=\"warning\"> "); |
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| 293 | out.print( JspHelper.getWarningText(fsn)); |
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| 294 | out.write("</a>\n\n"); |
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| 295 | |
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| 296 | generateDFSHealthReport(out, nn, request); |
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| 297 | |
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| 298 | out.write("\n<hr>\n"); |
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| 299 | |
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| 300 | generateConfReport(out, fsn, request); |
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| 301 | |
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| 302 | out.write('\n'); |
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| 303 | |
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| 304 | out.println(ServletUtil.htmlFooter()); |
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| 305 | |
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| 306 | out.write('\n'); |
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| 307 | } catch (Throwable t) { |
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| 308 | if (!(t instanceof SkipPageException)){ |
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| 309 | out = _jspx_out; |
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| 310 | if (out != null && out.getBufferSize() != 0) |
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| 311 | out.clearBuffer(); |
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| 312 | if (_jspx_page_context != null) _jspx_page_context.handlePageException(t); |
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| 313 | } |
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| 314 | } finally { |
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| 315 | if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context); |
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| 316 | } |
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| 317 | } |
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| 318 | } |
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