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YARN-3217. Remove httpclient dependency from hadoop-yarn-server-web-proxy. Contributed by Brahma Reddy Battula.

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This commit is contained in:
Tsuyoshi Ozawa 2015-02-27 00:22:46 +09:00
parent 0d4296f0e0
commit 773b6515ac
3 changed files with 26 additions and 27 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -327,6 +327,9 @@ Release 2.7.0 - UNRELEASED
YARN-2797. Add -help to yarn logs and nodes CLI command.
(Jagadesh Kiran N via devaraj)
YARN-3217. Remove httpclient dependency from hadoop-yarn-server-web-proxy.
(Brahma Reddy Battula via ozawa).
OPTIMIZATIONS
YARN-2990. FairScheduler's delay-scheduling always waits for node-local and

4
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/pom.xml
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@ -78,10 +78,6 @@
<artifactId>hadoop-yarn-api</artifactId>
</dependency>
<dependency>
<groupId>commons-httpclient</groupId>
<artifactId>commons-httpclient</artifactId>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>

46
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/main/java/org/apache/hadoop/yarn/server/webproxy/WebAppProxyServlet.java
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@ -40,13 +40,6 @@
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.core.UriBuilder;
import org.apache.commons.httpclient.Header;
import org.apache.commons.httpclient.HostConfiguration;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpMethod;
import org.apache.commons.httpclient.cookie.CookiePolicy;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.params.HttpClientParams;
import org.apache.hadoop.io.IOUtils;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ApplicationReport;
@ -59,8 +52,15 @@
import org.apache.hadoop.yarn.webapp.MimeType;
import org.apache.hadoop.yarn.webapp.hamlet.Hamlet;
import org.apache.hadoop.yarn.webapp.util.WebAppUtils;
import org.apache.http.Header;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.params.ClientPNames;
import org.apache.http.client.params.CookiePolicy;
import org.apache.http.client.utils.URLEncodedUtils;
import org.apache.http.conn.params.ConnRoutePNames;
import org.apache.http.impl.client.DefaultHttpClient;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@ -155,23 +155,22 @@ private static void warnUserPage(HttpServletResponse resp, String link,
private static void proxyLink(HttpServletRequest req,
HttpServletResponse resp, URI link, Cookie c, String proxyHost)
throws IOException {
org.apache.commons.httpclient.URI uri =
new org.apache.commons.httpclient.URI(link.toString(), false);
HttpClientParams params = new HttpClientParams();
params.setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
params.setBooleanParameter(HttpClientParams.ALLOW_CIRCULAR_REDIRECTS, true);
HttpClient client = new HttpClient(params);
DefaultHttpClient client = new DefaultHttpClient();
client
.getParams()
.setParameter(ClientPNames.COOKIE_POLICY,
CookiePolicy.BROWSER_COMPATIBILITY)
.setBooleanParameter(ClientPNames.ALLOW_CIRCULAR_REDIRECTS, true);
// Make sure we send the request from the proxy address in the config
// since that is what the AM filter checks against. IP aliasing or
// similar could cause issues otherwise.
HostConfiguration config = new HostConfiguration();
InetAddress localAddress = InetAddress.getByName(proxyHost);
if (LOG.isDebugEnabled()) {
LOG.debug("local InetAddress for proxy host: {}", localAddress);
}
config.setLocalAddress(localAddress);
HttpMethod method = new GetMethod(uri.getEscapedURI());
method.setRequestHeader("Connection","close");
client.getParams()
.setParameter(ConnRoutePNames.LOCAL_ADDRESS, localAddress);
HttpGet httpGet = new HttpGet(link);
@SuppressWarnings("unchecked")
Enumeration<String> names = req.getHeaderNames();
while(names.hasMoreElements()) {
@ -181,30 +180,31 @@ private static void proxyLink(HttpServletRequest req,
if (LOG.isDebugEnabled()) {
LOG.debug("REQ HEADER: {} : {}", name, value);
}
method.setRequestHeader(name, value);
httpGet.setHeader(name, value);
}
}
String user = req.getRemoteUser();
if (user != null && !user.isEmpty()) {
method.setRequestHeader("Cookie",
httpGet.setHeader("Cookie",
PROXY_USER_COOKIE_NAME + "=" + URLEncoder.encode(user, "ASCII"));
}
OutputStream out = resp.getOutputStream();
try {
resp.setStatus(client.executeMethod(config, method));
for(Header header : method.getResponseHeaders()) {
HttpResponse httpResp = client.execute(httpGet);
resp.setStatus(httpResp.getStatusLine().getStatusCode());
for (Header header : httpResp.getAllHeaders()) {
resp.setHeader(header.getName(), header.getValue());
}
if (c != null) {
resp.addCookie(c);
}
InputStream in = method.getResponseBodyAsStream();
InputStream in = httpResp.getEntity().getContent();
if (in != null) {
IOUtils.copyBytes(in, out, 4096, true);
}
} finally {
method.releaseConnection();
httpGet.releaseConnection();
}
}