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YARN-3147. Clean up RM web proxy code. Contributed by Steve Loughran

This commit is contained in:
Xuan 2015-02-12 10:57:55 -08:00
parent 9e33c9944c
commit 83be450acc
10 changed files with 324 additions and 154 deletions
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2
hadoop-yarn-project/CHANGES.txt
View File

@ -272,6 +272,8 @@ Release 2.7.0 - UNRELEASED
YARN-3157. Refactor the exception handling in ConverterUtils#to*Id.
(Bibin A Chundatt via ozawa)
YARN-3147. Clean up RM web proxy code. (Steve Loughran via xgong)
OPTIMIZATIONS
YARN-2990. FairScheduler's delay-scheduling always waits for node-local and

9
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/main/java/org/apache/hadoop/yarn/server/webproxy/ProxyUriUtils.java
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@ -18,11 +18,10 @@
package org.apache.hadoop.yarn.server.webproxy;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.http.HttpConfig;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.util.TrackingUriPlugin;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.UnsupportedEncodingException;
import java.net.URI;
@ -34,7 +33,8 @@
public class ProxyUriUtils {
@SuppressWarnings("unused")
private static final Log LOG = LogFactory.getLog(ProxyUriUtils.class);
private static final Logger LOG = LoggerFactory.getLogger(
ProxyUriUtils.class);
/**Name of the servlet to use when registering the proxy servlet. */
public static final String PROXY_SERVLET_NAME = "proxy";
@ -194,4 +194,5 @@ public static String getSchemeFromUrl(String url) {
return "";
}
}
}

127
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/main/java/org/apache/hadoop/yarn/server/webproxy/ProxyUtils.java Normal file
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@ -0,0 +1,127 @@
/*
* 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.hadoop.yarn.server.webproxy;
import org.apache.hadoop.yarn.webapp.MimeType;
import org.apache.hadoop.yarn.webapp.hamlet.Hamlet;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.EnumSet;
/**
* Class containing general purpose proxy utilities
*/
public class ProxyUtils {
private static final Logger LOG = LoggerFactory.getLogger(
ProxyUtils.class);
public static final String E_HTTP_HTTPS_ONLY =
"This filter only works for HTTP/HTTPS";
public static final String LOCATION = "Location";
public static class _ implements Hamlet._ {
//Empty
}
public static class Page extends Hamlet {
Page(PrintWriter out) {
super(out, 0, false);
}
public HTML<ProxyUtils._> html() {
return new HTML<>("html", null, EnumSet.of(EOpt.ENDTAG));
}
}
/**
* Handle redirects with a status code that can in future support verbs other
* than GET, thus supporting full REST functionality.
* <p>
* The target URL is included in the redirect text returned
* <p>
* At the end of this method, the output stream is closed.
*
* @param request request (hence: the verb and any other information
* relevant to a redirect)
* @param response the response
* @param target the target URL -unencoded
*
*/
public static void sendRedirect(HttpServletRequest request,
HttpServletResponse response,
String target)
throws IOException {
if (LOG.isDebugEnabled()) {
LOG.debug("Redirecting {} {} to {}",
request.getMethod(),
request.getRequestURI(),
target);
}
String location = response.encodeRedirectURL(target);
response.setStatus(HttpServletResponse.SC_FOUND);
response.setHeader(LOCATION, location);
response.setContentType(MimeType.HTML);
PrintWriter writer = response.getWriter();
Page p = new Page(writer);
p.html()
.head().title("Moved")._()
.body()
.h1("Moved")
.div()
._("Content has moved ")
.a(location, "here")._()
._()._();
writer.close();
}
/**
* Output 404 with appropriate message.
* @param resp the http response.
* @param message the message to include on the page.
* @throws IOException on any error.
*/
public static void notFound(HttpServletResponse resp, String message)
throws IOException {
resp.setStatus(HttpServletResponse.SC_NOT_FOUND);
resp.setContentType(MimeType.HTML);
Page p = new Page(resp.getWriter());
p.html().
h1(message).
_();
}
/**
* Reject any request that isn't from an HTTP servlet
* @param req request
* @throws ServletException if the request is of the wrong type
*/
public static void rejectNonHttpRequests(ServletRequest req) throws
ServletException {
if (!(req instanceof HttpServletRequest)) {
throw new ServletException(E_HTTP_HTTPS_ONLY);
}
}
}

14
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/main/java/org/apache/hadoop/yarn/server/webproxy/WebAppProxy.java
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@ -21,8 +21,6 @@
import java.io.IOException;
import java.net.URI;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.http.HttpServer2;
import org.apache.hadoop.security.authorize.AccessControlList;
@ -34,12 +32,15 @@
import org.apache.hadoop.fs.CommonConfigurationKeys;
import com.google.common.annotations.VisibleForTesting;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class WebAppProxy extends AbstractService {
public static final String FETCHER_ATTRIBUTE= "AppUrlFetcher";
public static final String IS_SECURITY_ENABLED_ATTRIBUTE = "IsSecurityEnabled";
public static final String PROXY_HOST_ATTRIBUTE = "proxyHost";
private static final Log LOG = LogFactory.getLog(WebAppProxy.class);
private static final Logger LOG = LoggerFactory.getLogger(
WebAppProxy.class);
private HttpServer2 proxyServer = null;
private String bindAddress = null;
@ -109,8 +110,8 @@ protected void serviceStart() throws Exception {
proxyServer.setAttribute(PROXY_HOST_ATTRIBUTE, proxyHost);
proxyServer.start();
} catch (IOException e) {
LOG.fatal("Could not start proxy web server",e);
throw new YarnRuntimeException("Could not start proxy web server",e);
LOG.error("Could not start proxy web server",e);
throw e;
}
super.serviceStart();
}
@ -121,7 +122,7 @@ protected void serviceStop() throws Exception {
try {
proxyServer.stop();
} catch (Exception e) {
LOG.fatal("Error stopping proxy web server", e);
LOG.error("Error stopping proxy web server", e);
throw new YarnRuntimeException("Error stopping proxy web server",e);
}
}
@ -136,6 +137,7 @@ public void join() {
try {
proxyServer.join();
} catch (InterruptedException e) {
// ignored
}
}
}

16
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/main/java/org/apache/hadoop/yarn/server/webproxy/WebAppProxyServer.java
View File

@ -21,16 +21,16 @@
import java.io.IOException;
import java.net.InetSocketAddress;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.security.SecurityUtil;
import org.apache.hadoop.service.CompositeService;
import org.apache.hadoop.util.ExitUtil;
import org.apache.hadoop.util.ShutdownHookManager;
import org.apache.hadoop.util.StringUtils;
import org.apache.hadoop.yarn.YarnUncaughtExceptionHandler;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* ProxyServer will sit in between the end user and AppMaster
@ -43,7 +43,8 @@ public class WebAppProxyServer extends CompositeService {
*/
public static final int SHUTDOWN_HOOK_PRIORITY = 30;
private static final Log LOG = LogFactory.getLog(WebAppProxyServer.class);
private static final Logger LOG = LoggerFactory.getLogger(
WebAppProxyServer.class);
private WebAppProxy proxy = null;
@ -54,11 +55,7 @@ public WebAppProxyServer() {
@Override
protected void serviceInit(Configuration conf) throws Exception {
Configuration config = new YarnConfiguration(conf);
try {
doSecureLogin(conf);
} catch(IOException ie) {
throw new YarnRuntimeException("Proxy Server Failed to login", ie);
}
proxy = new WebAppProxy();
addService(proxy);
super.serviceInit(config);
@ -95,8 +92,7 @@ public static void main(String[] args) {
WebAppProxyServer proxyServer = startServer(configuration);
proxyServer.proxy.join();
} catch (Throwable t) {
LOG.fatal("Error starting Proxy server", t);
System.exit(-1);
ExitUtil.terminate(-1, t);
}
}

107
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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@ -32,6 +32,7 @@
import java.util.Enumeration;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
@ -45,8 +46,6 @@
import org.apache.commons.httpclient.cookie.CookiePolicy;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.params.HttpClientParams;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.io.IOUtils;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ApplicationReport;
@ -59,13 +58,20 @@
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.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class WebAppProxyServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
private static final Log LOG = LogFactory.getLog(WebAppProxyServlet.class);
private static final HashSet<String> passThroughHeaders =
new HashSet<String>(Arrays.asList("User-Agent", "Accept", "Accept-Encoding",
"Accept-Language", "Accept-Charset"));
private static final Logger LOG = LoggerFactory.getLogger(
WebAppProxyServlet.class);
private static final Set<String> passThroughHeaders =
new HashSet<>(Arrays.asList(
"User-Agent",
"Accept",
"Accept-Encoding",
"Accept-Language",
"Accept-Charset"));
public static final String PROXY_USER_COOKIE_NAME = "proxy-user";
@ -83,15 +89,14 @@ private static class Page extends Hamlet {
}
public HTML<WebAppProxyServlet._> html() {
return new HTML<WebAppProxyServlet._>("html", null, EnumSet.of(EOpt.ENDTAG));
return new HTML<>("html", null, EnumSet.of(EOpt.ENDTAG));
}
}
/**
* Default constructor
*/
public WebAppProxyServlet()
{
public WebAppProxyServlet() {
super();
conf = new YarnConfiguration();
this.trackingUriPlugins =
@ -109,12 +114,7 @@ public WebAppProxyServlet()
*/
private static void notFound(HttpServletResponse resp, String message)
throws IOException {
resp.setStatus(HttpServletResponse.SC_NOT_FOUND);
resp.setContentType(MimeType.HTML);
Page p = new Page(resp.getWriter());
p.html().
h1(message).
_();
ProxyUtils.notFound(resp, message);
}
/**
@ -133,7 +133,8 @@ private static void warnUserPage(HttpServletResponse resp, String link,
resp.setContentType(MimeType.HTML);
Page p = new Page(resp.getWriter());
p.html().
h1("WARNING: The following page may not be safe!").h3().
h1("WARNING: The following page may not be safe!").
h3().
_("click ").a(link, "here").
_(" to continue to an Application Master web interface owned by ", user).
_().
@ -163,7 +164,7 @@ private static void proxyLink(HttpServletRequest req,
HostConfiguration config = new HostConfiguration();
InetAddress localAddress = InetAddress.getByName(proxyHost);
if (LOG.isDebugEnabled()) {
LOG.debug("local InetAddress for proxy host: " + localAddress.toString());
LOG.debug("local InetAddress for proxy host: {}", localAddress);
}
config.setLocalAddress(localAddress);
HttpMethod method = new GetMethod(uri.getEscapedURI());
@ -174,15 +175,17 @@ private static void proxyLink(HttpServletRequest req,
String name = names.nextElement();
if(passThroughHeaders.contains(name)) {
String value = req.getHeader(name);
LOG.debug("REQ HEADER: "+name+" : "+value);
if (LOG.isDebugEnabled()) {
LOG.debug("REQ HEADER: {} : {}", name, value);
}
method.setRequestHeader(name, value);
}
}
String user = req.getRemoteUser();
if (user != null && !user.isEmpty()) {
method.setRequestHeader("Cookie",PROXY_USER_COOKIE_NAME+"="+
URLEncoder.encode(user, "ASCII"));
method.setRequestHeader("Cookie",
PROXY_USER_COOKIE_NAME + "=" + URLEncoder.encode(user, "ASCII"));
}
OutputStream out = resp.getOutputStream();
try {
@ -216,8 +219,7 @@ private static Cookie makeCheckCookie(ApplicationId id, boolean isSet) {
private boolean isSecurityEnabled() {
Boolean b = (Boolean) getServletContext()
.getAttribute(WebAppProxy.IS_SECURITY_ENABLED_ATTRIBUTE);
if(b != null) return b;
return false;
return b != null ? b : false;
}
private ApplicationReport getApplicationReport(ApplicationId id)
@ -238,15 +240,14 @@ protected void doGet(HttpServletRequest req, HttpServletResponse resp)
String userApprovedParamS =
req.getParameter(ProxyUriUtils.PROXY_APPROVAL_PARAM);
boolean userWasWarned = false;
boolean userApproved =
(userApprovedParamS != null && Boolean.valueOf(userApprovedParamS));
boolean userApproved = Boolean.valueOf(userApprovedParamS);
boolean securityEnabled = isSecurityEnabled();
final String remoteUser = req.getRemoteUser();
final String pathInfo = req.getPathInfo();
String parts[] = pathInfo.split("/", 3);
String[] parts = pathInfo.split("/", 3);
if(parts.length < 2) {
LOG.warn(remoteUser+" Gave an invalid proxy path "+pathInfo);
LOG.warn("{} gave an invalid proxy path {}", remoteUser, pathInfo);
notFound(resp, "Your path appears to be formatted incorrectly.");
return;
}
@ -255,8 +256,8 @@ protected void doGet(HttpServletRequest req, HttpServletResponse resp)
String rest = parts.length > 2 ? parts[2] : "";
ApplicationId id = Apps.toAppID(appId);
if(id == null) {
LOG.warn(req.getRemoteUser()+" Attempting to access "+appId+
" that is invalid");
LOG.warn("{} attempting to access {} that is invalid",
remoteUser, appId);
notFound(resp, appId + " appears to be formatted incorrectly.");
return;
}
@ -277,22 +278,21 @@ protected void doGet(HttpServletRequest req, HttpServletResponse resp)
boolean checkUser = securityEnabled && (!userWasWarned || !userApproved);
ApplicationReport applicationReport = null;
ApplicationReport applicationReport;
try {
applicationReport = getApplicationReport(id);
} catch (ApplicationNotFoundException e) {
applicationReport = null;
}
if(applicationReport == null) {
LOG.warn(req.getRemoteUser()+" Attempting to access "+id+
" that was not found");
LOG.warn("{} attempting to access {} that was not found",
remoteUser, id);
URI toFetch =
ProxyUriUtils
.getUriFromTrackingPlugins(id, this.trackingUriPlugins);
if (toFetch != null)
{
resp.sendRedirect(resp.encodeRedirectURL(toFetch.toString()));
if (toFetch != null) {
ProxyUtils.sendRedirect(req, resp, toFetch.toString());
return;
}
@ -301,11 +301,11 @@ protected void doGet(HttpServletRequest req, HttpServletResponse resp)
return;
}
String original = applicationReport.getOriginalTrackingUrl();
URI trackingUri = null;
URI trackingUri;
// fallback to ResourceManager's app page if no tracking URI provided
if(original == null || original.equals("N/A")) {
resp.sendRedirect(resp.encodeRedirectURL(
StringHelper.pjoin(rmAppPageUrlBase, id.toString())));
ProxyUtils.sendRedirect(req, resp,
StringHelper.pjoin(rmAppPageUrlBase, id.toString()));
return;
} else {
if (ProxyUriUtils.getSchemeFromUrl(original).isEmpty()) {
@ -318,8 +318,9 @@ protected void doGet(HttpServletRequest req, HttpServletResponse resp)
String runningUser = applicationReport.getUser();
if(checkUser && !runningUser.equals(remoteUser)) {
LOG.info("Asking "+remoteUser+" if they want to connect to the " +
"app master GUI of "+appId+" owned by "+runningUser);
LOG.info("Asking {} if they want to connect to the "
+ "app master GUI of {} owned by {}",
remoteUser, appId, runningUser);
warnUserPage(resp, ProxyUriUtils.getPathAndQuery(id, rest,
req.getQueryString(), true), runningUser, id);
return;
@ -329,15 +330,18 @@ protected void doGet(HttpServletRequest req, HttpServletResponse resp)
StringHelper.ujoin(trackingUri.getPath(), rest), req.getQueryString(),
null);
LOG.info(req.getRemoteUser()+" is accessing unchecked "+toFetch+
" which is the app master GUI of "+appId+" owned by "+runningUser);
LOG.info("{} is accessing unchecked {}"
+ " which is the app master GUI of {} owned by {}",
remoteUser, toFetch, appId, runningUser);
switch (applicationReport.getYarnApplicationState()) {
case KILLED:
case FINISHED:
case FAILED:
resp.sendRedirect(resp.encodeRedirectURL(toFetch.toString()));
ProxyUtils.sendRedirect(req, resp, toFetch.toString());
return;
default:
// fall out of the switch
}
Cookie c = null;
if (userWasWarned && userApproved) {
@ -345,13 +349,26 @@ protected void doGet(HttpServletRequest req, HttpServletResponse resp)
}
proxyLink(req, resp, toFetch, c, getProxyHost());
} catch(URISyntaxException e) {
throw new IOException(e);
} catch (YarnException e) {
} catch(URISyntaxException | YarnException e) {
throw new IOException(e);
}
}
/**
* This method is used by Java object deserialization, to fill in the
* transient {@link #trackingUriPlugins} field.
* See {@link ObjectInputStream#defaultReadObject()}
* <p>
* <I>Do not remove</I>
* <p>
* Yarn isn't currently serializing this class, but findbugs
* complains in its absence.
*
*
* @param input source
* @throws IOException IO failure
* @throws ClassNotFoundException classloader fun
*/
private void readObject(ObjectInputStream input)
throws IOException, ClassNotFoundException {
input.defaultReadObject();

2
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/main/java/org/apache/hadoop/yarn/server/webproxy/amfilter/AmFilterInitializer.java
View File

@ -36,7 +36,7 @@ public class AmFilterInitializer extends FilterInitializer {
@Override
public void initFilter(FilterContainer container, Configuration conf) {
Map<String, String> params = new HashMap<String, String>();
Map<String, String> params = new HashMap<>();
List<String> proxies = WebAppUtils.getProxyHostsAndPortsForAmFilter(conf);
StringBuilder sb = new StringBuilder();
for (String proxy : proxies) {

38
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/main/java/org/apache/hadoop/yarn/server/webproxy/amfilter/AmIpFilter.java
View File

@ -38,26 +38,27 @@
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.classification.InterfaceAudience.Public;
import org.apache.hadoop.yarn.conf.HAUtil;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.server.webproxy.ProxyUtils;
import org.apache.hadoop.yarn.server.webproxy.WebAppProxyServlet;
import org.apache.hadoop.yarn.util.RMHAUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@Public
public class AmIpFilter implements Filter {
private static final Log LOG = LogFactory.getLog(AmIpFilter.class);
private static final Logger LOG = LoggerFactory.getLogger(AmIpFilter.class);
@Deprecated
public static final String PROXY_HOST = "PROXY_HOST";
@Deprecated
public static final String PROXY_URI_BASE = "PROXY_URI_BASE";
static final String PROXY_HOSTS = "PROXY_HOSTS";
static final String PROXY_HOSTS_DELIMITER = ",";
static final String PROXY_URI_BASES = "PROXY_URI_BASES";
static final String PROXY_URI_BASES_DELIMITER = ",";
public static final String PROXY_HOSTS = "PROXY_HOSTS";
public static final String PROXY_HOSTS_DELIMITER = ",";
public static final String PROXY_URI_BASES = "PROXY_URI_BASES";
public static final String PROXY_URI_BASES_DELIMITER = ",";
//update the proxy IP list about every 5 min
private static final long updateInterval = 5 * 60 * 1000;
@ -72,7 +73,7 @@ public void init(FilterConfig conf) throws ServletException {
if (conf.getInitParameter(PROXY_HOST) != null
&& conf.getInitParameter(PROXY_URI_BASE) != null) {
proxyHosts = new String[]{conf.getInitParameter(PROXY_HOST)};
proxyUriBases = new HashMap<String, String>(1);
proxyUriBases = new HashMap<>(1);
proxyUriBases.put("dummy", conf.getInitParameter(PROXY_URI_BASE));
} else {
proxyHosts = conf.getInitParameter(PROXY_HOSTS)
@ -80,13 +81,13 @@ public void init(FilterConfig conf) throws ServletException {
String[] proxyUriBasesArr = conf.getInitParameter(PROXY_URI_BASES)
.split(PROXY_URI_BASES_DELIMITER);
proxyUriBases = new HashMap<String, String>();
proxyUriBases = new HashMap<>(proxyUriBasesArr.length);
for (String proxyUriBase : proxyUriBasesArr) {
try {
URL url = new URL(proxyUriBase);
proxyUriBases.put(url.getHost() + ":" + url.getPort(), proxyUriBase);
} catch(MalformedURLException e) {
LOG.warn(proxyUriBase + " does not appear to be a valid URL", e);
LOG.warn("{} does not appear to be a valid URL", proxyUriBase, e);
}
}
}
@ -96,18 +97,18 @@ protected Set<String> getProxyAddresses() throws ServletException {
long now = System.currentTimeMillis();
synchronized(this) {
if(proxyAddresses == null || (lastUpdate + updateInterval) >= now) {
proxyAddresses = new HashSet<String>();
proxyAddresses = new HashSet<>();
for (String proxyHost : proxyHosts) {
try {
for(InetAddress add : InetAddress.getAllByName(proxyHost)) {
if (LOG.isDebugEnabled()) {
LOG.debug("proxy address is: " + add.getHostAddress());
LOG.debug("proxy address is: {}", add.getHostAddress());
}
proxyAddresses.add(add.getHostAddress());
}
lastUpdate = now;
} catch (UnknownHostException e) {
LOG.warn("Could not locate " + proxyHost + " - skipping", e);
LOG.warn("Could not locate {} - skipping", proxyHost, e);
}
}
if (proxyAddresses.isEmpty()) {
@ -126,20 +127,17 @@ public void destroy() {
@Override
public void doFilter(ServletRequest req, ServletResponse resp,
FilterChain chain) throws IOException, ServletException {
if(!(req instanceof HttpServletRequest)) {
throw new ServletException("This filter only works for HTTP/HTTPS");
}
ProxyUtils.rejectNonHttpRequests(req);
HttpServletRequest httpReq = (HttpServletRequest)req;
HttpServletResponse httpResp = (HttpServletResponse)resp;
if (LOG.isDebugEnabled()) {
LOG.debug("Remote address for request is: " + httpReq.getRemoteAddr());
LOG.debug("Remote address for request is: {}", httpReq.getRemoteAddr());
}
if (!getProxyAddresses().contains(httpReq.getRemoteAddr())) {
String redirectUrl = findRedirectUrl();
redirectUrl = httpResp.encodeRedirectURL(redirectUrl +
httpReq.getRequestURI());
httpResp.sendRedirect(redirectUrl);
String target = redirectUrl + httpReq.getRequestURI();
ProxyUtils.sendRedirect(httpReq, httpResp, target);
return;
}

24
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/test/java/org/apache/hadoop/yarn/server/webproxy/TestWebAppProxyServlet.java
View File

@ -39,8 +39,6 @@
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.CommonConfigurationKeys;
import org.apache.hadoop.http.HttpServer2;
@ -54,7 +52,6 @@
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.exceptions.ApplicationNotFoundException;
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
import org.apache.hadoop.yarn.webapp.util.WebAppUtils;
import org.junit.AfterClass;
import org.junit.BeforeClass;
@ -62,15 +59,16 @@
import org.mortbay.jetty.Server;
import org.mortbay.jetty.servlet.Context;
import org.mortbay.jetty.servlet.ServletHolder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Test the WebAppProxyServlet and WebAppProxy. For back end use simple web
* server.
*/
public class TestWebAppProxyServlet {
private static final Log LOG = LogFactory
.getLog(TestWebAppProxyServlet.class);
private static final Logger LOG = LoggerFactory.getLogger(
TestWebAppProxyServlet.class);
private static Server server;
private static int originalPort = 0;
@ -273,11 +271,10 @@ public WebAppProxyServerForTest() {
}
@Override
public synchronized void init(Configuration conf) {
Configuration config = new YarnConfiguration(conf);
public synchronized void serviceInit(Configuration conf) throws Exception {
proxy = new WebAppProxyForTest();
addService(proxy);
super.init(config);
super.serviceInit(conf);
}
}
@ -288,8 +285,7 @@ private class WebAppProxyForTest extends WebAppProxy {
AppReportFetcherForTest appReportFetcher;
@Override
public void start() {
try {
protected void serviceStart() throws Exception {
Configuration conf = getConfig();
String bindAddress = conf.get(YarnConfiguration.PROXY_ADDRESS);
bindAddress = StringUtils.split(bindAddress, ':')[0];
@ -318,12 +314,8 @@ public void start() {
proxyServer.setAttribute(PROXY_HOST_ATTRIBUTE, proxyHost);
proxyServer.start();
System.out.println("Proxy server is started at port " +
LOG.info("Proxy server is started at port {}",
proxyServer.getConnectorAddress(0).getPort());
} catch (Exception e) {
LOG.fatal("Could not start proxy web server", e);
throw new YarnRuntimeException("Could not start proxy web server", e);
}
}
}

39
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/src/test/java/org/apache/hadoop/yarn/server/webproxy/amfilter/TestAmFilter.java
View File

@ -19,6 +19,8 @@
package org.apache.hadoop.yarn.server.webproxy.amfilter;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.*;
import java.util.concurrent.atomic.AtomicBoolean;
@ -29,6 +31,7 @@
import static org.junit.Assert.*;
import org.apache.hadoop.yarn.server.webproxy.ProxyUtils;
import org.apache.hadoop.yarn.server.webproxy.WebAppProxyServlet;
import org.glassfish.grizzly.servlet.HttpServletResponseImpl;
import org.junit.Test;
@ -151,7 +154,7 @@ public void doFilter(ServletRequest servletRequest,
testFilter.doFilter(failRequest, response, chain);
fail();
} catch (ServletException e) {
assertEquals("This filter only works for HTTP/HTTPS", e.getMessage());
assertEquals(ProxyUtils.E_HTTP_HTTPS_ONLY, e.getMessage());
}
// request with HttpServletRequest
@ -160,7 +163,9 @@ public void doFilter(ServletRequest servletRequest,
Mockito.when(request.getRequestURI()).thenReturn("/redirect");
testFilter.doFilter(request, response, chain);
// address "redirect" is not in host list
assertEquals("http://bogus/redirect", response.getRedirect());
assertEquals(302, response.status);
String redirect = response.getHeader(ProxyUtils.LOCATION);
assertEquals("http://bogus/redirect", redirect);
// "127.0.0.1" contains in host list. Without cookie
Mockito.when(request.getRemoteAddr()).thenReturn("127.0.0.1");
testFilter.doFilter(request, response, chain);
@ -186,6 +191,11 @@ public void doFilter(ServletRequest servletRequest,
private class HttpServletResponseForTest extends HttpServletResponseImpl {
String redirectLocation = "";
int status;
private String contentType;
private final Map<String, String> headers = new HashMap<>(1);
private StringWriter body;
public String getRedirect() {
return redirectLocation;
@ -201,6 +211,31 @@ public String encodeRedirectURL(String url) {
return url;
}
@Override
public void setStatus(int status) {
this.status = status;
}
@Override
public void setContentType(String type) {
this.contentType = type;
}
@Override
public void setHeader(String name, String value) {
headers.put(name, value);
}
public String getHeader(String name) {
return headers.get(name);
}
@Override
public PrintWriter getWriter() throws IOException {
body = new StringWriter();
return new PrintWriter(body);
}
}
}