HADOOP-8358. Config-related WARN for dfs.web.ugi can be avoided. (harsh)
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1343290 13f79535-47bb-0310-9956-ffa450edef68
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Harsh J
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@ -189,6 +189,8 @@ Release 2.0.1-alpha - UNRELEASED
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HADOOP-8323. Add javadoc and tests for Text.clear() behavior (harsh)
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HADOOP-8358. Config-related WARN for dfs.web.ugi can be avoided. (harsh)
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BUG FIXES
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HADOOP-8372. NetUtils.normalizeHostName() incorrectly handles hostname
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@ -20,6 +20,7 @@
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import org.apache.hadoop.classification.InterfaceAudience;
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import org.apache.hadoop.classification.InterfaceStability;
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import org.apache.hadoop.http.lib.StaticUserWebFilter;
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/**
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* This class contains constants for configuration keys used
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@ -163,5 +164,12 @@ public class CommonConfigurationKeys extends CommonConfigurationKeysPublic {
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"ha.failover-controller.cli-check.rpc-timeout.ms";
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public static final int HA_FC_CLI_CHECK_TIMEOUT_DEFAULT = 20000;
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/** Static user web-filter properties.
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* See {@link StaticUserWebFilter}.
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*/
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public static final String HADOOP_HTTP_STATIC_USER =
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"hadoop.http.staticuser.user";
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public static final String DEFAULT_HADOOP_HTTP_STATIC_USER =
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"dr.who";
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}
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@ -37,15 +37,15 @@
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import javax.servlet.Filter;
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import static org.apache.hadoop.fs.CommonConfigurationKeys.HADOOP_HTTP_STATIC_USER;
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import static org.apache.hadoop.fs.CommonConfigurationKeys.DEFAULT_HADOOP_HTTP_STATIC_USER;
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/**
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* Provides a servlet filter that pretends to authenticate a fake user (Dr.Who)
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* so that the web UI is usable for a secure cluster without authentication.
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*/
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public class StaticUserWebFilter extends FilterInitializer {
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static final String DEPRECATED_UGI_KEY = "dfs.web.ugi";
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static final String USERNAME_KEY = "hadoop.http.staticuser.user";
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static final String USERNAME_DEFAULT = "dr.who";
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private static final Log LOG = LogFactory.getLog(StaticUserWebFilter.class);
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@ -112,7 +112,7 @@ public String getRemoteUser() {
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@Override
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public void init(FilterConfig conf) throws ServletException {
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this.username = conf.getInitParameter(USERNAME_KEY);
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this.username = conf.getInitParameter(HADOOP_HTTP_STATIC_USER);
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this.user = new User(username);
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}
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@ -123,7 +123,7 @@ public void initFilter(FilterContainer container, Configuration conf) {
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HashMap<String, String> options = new HashMap<String, String>();
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String username = getUsernameFromConf(conf);
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options.put(USERNAME_KEY, username);
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options.put(HADOOP_HTTP_STATIC_USER, username);
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container.addFilter("static_user_filter",
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StaticUserFilter.class.getName(),
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@ -139,11 +139,12 @@ static String getUsernameFromConf(Configuration conf) {
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// We can't use the normal configuration deprecation mechanism here
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// since we need to split out the username from the configured UGI.
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LOG.warn(DEPRECATED_UGI_KEY + " should not be used. Instead, use " +
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USERNAME_KEY + ".");
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HADOOP_HTTP_STATIC_USER + ".");
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String[] parts = oldStyleUgi.split(",");
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return parts[0];
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} else {
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return conf.get(USERNAME_KEY, USERNAME_DEFAULT);
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return conf.get(HADOOP_HTTP_STATIC_USER,
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DEFAULT_HADOOP_HTTP_STATIC_USER);
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}
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}
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@ -1003,4 +1003,15 @@
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this configuration will be loaded from within.
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</description>
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</property>
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<!-- Static Web User Filter properties. -->
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<property>
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<description>
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The user name to filter as, on static web filters
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while rendering content. An example use is the HDFS
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web UI (user to be used for browsing files).
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</description>
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<name>hadoop.http.staticuser.user</name>
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<value>dr.who</value>
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</property>
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</configuration>
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@ -27,6 +27,7 @@
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import javax.servlet.http.HttpServletRequestWrapper;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.CommonConfigurationKeys;
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import org.apache.hadoop.http.lib.StaticUserWebFilter.StaticUserFilter;
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import org.junit.Test;
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import org.mockito.ArgumentCaptor;
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@ -36,7 +37,7 @@ public class TestStaticUserWebFilter {
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private FilterConfig mockConfig(String username) {
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FilterConfig mock = Mockito.mock(FilterConfig.class);
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Mockito.doReturn(username).when(mock).getInitParameter(
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StaticUserWebFilter.USERNAME_KEY);
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CommonConfigurationKeys.HADOOP_HTTP_STATIC_USER);
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return mock;
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}
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@ -73,7 +74,7 @@ public void testOldStyleConfiguration() {
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@Test
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public void testConfiguration() {
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Configuration conf = new Configuration();
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conf.set(StaticUserWebFilter.USERNAME_KEY, "joe");
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conf.set(CommonConfigurationKeys.HADOOP_HTTP_STATIC_USER, "joe");
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assertEquals("joe", StaticUserWebFilter.getUsernameFromConf(conf));
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}
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@ -71,10 +71,12 @@
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import org.apache.hadoop.security.token.Token;
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import org.apache.hadoop.util.VersionInfo;
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import static org.apache.hadoop.fs.CommonConfigurationKeys.HADOOP_HTTP_STATIC_USER;
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import static org.apache.hadoop.fs.CommonConfigurationKeys.DEFAULT_HADOOP_HTTP_STATIC_USER;
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@InterfaceAudience.Private
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public class JspHelper {
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public static final String CURRENT_CONF = "current.conf";
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final static public String WEB_UGI_PROPERTY_NAME = DFSConfigKeys.DFS_WEB_UGI_KEY;
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public static final String DELEGATION_PARAMETER_NAME = DelegationParam.NAME;
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public static final String NAMENODE_ADDRESS = "nnaddr";
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static final String SET_DELEGATION = "&" + DELEGATION_PARAMETER_NAME +
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@ -483,11 +485,12 @@ public static String validateURL(String value) {
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*/
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public static UserGroupInformation getDefaultWebUser(Configuration conf
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) throws IOException {
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String[] strings = conf.getStrings(JspHelper.WEB_UGI_PROPERTY_NAME);
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if (strings == null || strings.length == 0) {
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String user = conf.get(
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HADOOP_HTTP_STATIC_USER, DEFAULT_HADOOP_HTTP_STATIC_USER);
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if (user == null || user.length() == 0) {
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throw new IOException("Cannot determine UGI from request or conf");
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}
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return UserGroupInformation.createRemoteUser(strings[0]);
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return UserGroupInformation.createRemoteUser(user);
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}
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private static InetSocketAddress getNNServiceAddress(ServletContext context,
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@ -239,14 +239,6 @@
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left empty in a non-HA cluster.
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</description>
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</property>
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<property>
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<name>dfs.web.ugi</name>
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<value>webuser,webgroup</value>
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<description>The user account used by the web interface.
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Syntax: USERNAME,GROUP1,GROUP2, ...
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</description>
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</property>
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<property>
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<name>dfs.permissions.enabled</name>
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