1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.spark.deploy.history
import javax.servlet.http.HttpServletRequest
import scala.xml.Node
import org.apache.spark.ui.{WebUIPage, UIUtils}
private[spark] class HistoryPage(parent: HistoryServer) extends WebUIPage("") {
private val pageSize = 20
def render(request: HttpServletRequest): Seq[Node] = {
val requestedPage = Option(request.getParameter("page")).getOrElse("1").toInt
val requestedFirst = (requestedPage - 1) * pageSize
val allApps = parent.getApplicationList()
val actualFirst = if (requestedFirst < allApps.size) requestedFirst else 0
val apps = allApps.slice(actualFirst, Math.min(actualFirst + pageSize, allApps.size))
val actualPage = (actualFirst / pageSize) + 1
val last = Math.min(actualFirst + pageSize, allApps.size) - 1
val pageCount = allApps.size / pageSize + (if (allApps.size % pageSize > 0) 1 else 0)
val appTable = UIUtils.listingTable(appHeader, appRow, apps)
val providerConfig = parent.getProviderConfig()
val content =
<div class="row-fluid">
<div class="span12">
<ul class="unstyled">
{ providerConfig.map(e => <li><strong>{e._1}:</strong> {e._2}</li>) }
</ul>
{
if (allApps.size > 0) {
<h4>
Showing {actualFirst + 1}-{last + 1} of {allApps.size}
<span style="float: right">
{if (actualPage > 1) <a href={"/?page=" + (actualPage - 1)}><</a>}
{if (actualPage < pageCount) <a href={"/?page=" + (actualPage + 1)}>></a>}
</span>
</h4> ++
appTable
} else {
<h4>No Completed Applications Found</h4>
}
}
</div>
</div>
UIUtils.basicSparkPage(content, "History Server")
}
private val appHeader = Seq(
"App Name",
"Started",
"Completed",
"Duration",
"Spark User",
"Last Updated")
private def appRow(info: ApplicationHistoryInfo): Seq[Node] = {
val uiAddress = "/history/" + info.id
val startTime = UIUtils.formatDate(info.startTime)
val endTime = UIUtils.formatDate(info.endTime)
val duration = UIUtils.formatDuration(info.endTime - info.startTime)
val lastUpdated = UIUtils.formatDate(info.lastUpdated)
<tr>
<td><a href={uiAddress}>{info.name}</a></td>
<td>{startTime}</td>
<td>{endTime}</td>
<td>{duration}</td>
<td>{info.sparkUser}</td>
<td>{lastUpdated}</td>
</tr>
}
}
|
