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From "Robert Levas" <rle...@hortonworks.com>
Subject Review Request 32604: Cannot enable kerberos with Ambari server running non-root
Date Sun, 29 Mar 2015 12:17:39 GMT

-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/32604/
-----------------------------------------------------------

Review request for Ambari, Mahadev Konar and Yusaku Sako.


Bugs: AMBARI-10266
    https://issues.apache.org/jira/browse/AMBARI-10266


Repository: ambari


Description
-------

HDP 2.2, Ambari 2.0, MIT KDC, during setup, set to use a sudoer account for ambari-server.
start ambari server.

failing during "Test Kerberos Client", see attached.

```
27 Mar 2015 17:55:46,449 ERROR [qtp-client-19] KerberosHelper:1330 - Failed to create the
temporary data directory.
java.io.IOException: Failed to create a temporary directory in /var/lib/ambari-server/tmp
	at org.apache.ambari.server.controller.KerberosHelper.createTemporaryDirectory(KerberosHelper.java:1324)
	at org.apache.ambari.server.controller.KerberosHelper.handleTestIdentity(KerberosHelper.java:945)
	at org.apache.ambari.server.controller.KerberosHelper.createTestIdentity(KerberosHelper.java:433)
	at org.apache.ambari.server.controller.AmbariManagementControllerImpl.createAction(AmbariManagementControllerImpl.java:2944)
	at org.apache.ambari.server.controller.internal.RequestResourceProvider$1.invoke(RequestResourceProvider.java:161)
	at org.apache.ambari.server.controller.internal.RequestResourceProvider$1.invoke(RequestResourceProvider.java:158)
	at org.apache.ambari.server.controller.internal.AbstractResourceProvider.createResources(AbstractResourceProvider.java:273)
	at org.apache.ambari.server.controller.internal.RequestResourceProvider.createResources(RequestResourceProvider.java:158)
	at org.apache.ambari.server.controller.internal.ClusterControllerImpl.createResources(ClusterControllerImpl.java:289)
	at org.apache.ambari.server.api.services.persistence.PersistenceManagerImpl.create(PersistenceManagerImpl.java:75)
	at org.apache.ambari.server.api.handlers.CreateHandler.persist(CreateHandler.java:36)
	at org.apache.ambari.server.api.handlers.BaseManagementHandler.handleRequest(BaseManagementHandler.java:72)
	at org.apache.ambari.server.api.services.BaseRequest.process(BaseRequest.java:135)
	at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:103)
	at org.apache.ambari.server.api.services.BaseService.handleRequest(BaseService.java:72)
	at org.apache.ambari.server.api.services.RequestService.createRequests(RequestService.java:145)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
	at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:205)
	at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
	at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:288)
	at com.sun.jersey.server.impl.uri.rules.SubLocatorRule.accept(SubLocatorRule.java:134)
	at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
	at com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
	at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
	at com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
	at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1469)
	at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1400)
	at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1349)
	at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1339)
	at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416)
	at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:537)
	at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:708)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:652)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1329)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118)
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.apache.ambari.server.security.authorization.AmbariAuthorizationFilter.doFilter(AmbariAuthorizationFilter.java:178)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)
	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237)
	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1300)
	at org.apache.ambari.server.api.MethodOverrideFilter.doFilter(MethodOverrideFilter.java:72)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1300)
	at org.apache.ambari.server.api.AmbariPersistFilter.doFilter(AmbariPersistFilter.java:47)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1300)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:445)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:559)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:227)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1038)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:374)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:189)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:972)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
	at org.apache.ambari.server.controller.FailsafeHandlerList.handleNonFailSafe(FailsafeHandlerList.java:148)
	at org.apache.ambari.server.controller.AmbariHandlerList.handleNonFailSafe(AmbariHandlerList.java:157)
	at org.apache.ambari.server.controller.FailsafeHandlerList.handle(FailsafeHandlerList.java:130)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
	at org.eclipse.jetty.server.Server.handle(Server.java:363)
	at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:483)
	at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:931)
	at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:992)
	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:856)
	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240)
	at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:627)
	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:51)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
	at java.lang.Thread.run(Thread.java:745)
```

This is due to an incorrect temporary directory in the ambari.properties file. Once the (incorrect)
temporary directory was manually created. The following error is observed:

```
27 Mar 2015 18:00:10,630  INFO [Server Action Executor Worker 55] CreateKeytabFilesServerAction:170
- Creating keytab file for ambari-qa_mngxikyl@EXAMPLE.COM on host ip-10-99-165-62.ec2.internal
27 Mar 2015 18:00:10,755 ERROR [Server Action Executor Worker 55] KerberosOperationHandler:433
- Failed to export keytab file
java.io.FileNotFoundException: /var/lib/ambari-server/tmp/.ambari_1427493565210-0.d/ip-10-99-165-62.ec2.internal/1ce5855f40583660938abde762237b442c2d5ba9
(Permission denied)
	at java.io.FileOutputStream.open(Native Method)
	at java.io.FileOutputStream.<init>(FileOutputStream.java:221)
	at org.apache.directory.server.kerberos.shared.keytab.Keytab.writeFile(Keytab.java:273)
	at org.apache.directory.server.kerberos.shared.keytab.Keytab.write(Keytab.java:133)
	at org.apache.ambari.server.serveraction.kerberos.KerberosOperationHandler.createKeytabFile(KerberosOperationHandler.java:429)
	at org.apache.ambari.server.serveraction.kerberos.CreateKeytabFilesServerAction.processIdentity(CreateKeytabFilesServerAction.java:276)
	at org.apache.ambari.server.serveraction.kerberos.KerberosServerAction.processRecord(KerberosServerAction.java:494)
	at org.apache.ambari.server.serveraction.kerberos.KerberosServerAction.processIdentities(KerberosServerAction.java:386)
	at org.apache.ambari.server.serveraction.kerberos.CreateKeytabFilesServerAction.execute(CreateKeytabFilesServerAction.java:99)
	at org.apache.ambari.server.serveraction.ServerActionExecutor$Worker.execute(ServerActionExecutor.java:504)
	at org.apache.ambari.server.serveraction.ServerActionExecutor$Worker.run(ServerActionExecutor.java:441)
	at java.lang.Thread.run(Thread.java:745)
27 Mar 2015 18:00:10,756 ERROR [Server Action Executor Worker 55] CreateKeytabFilesServerAction:290
- Failed to create keytab file for ambari-qa_mngxikyl@EXAMPLE.COM - Failed to export keytab
file
org.apache.ambari.server.serveraction.kerberos.KerberosOperationException: Failed to export
keytab file
	at org.apache.ambari.server.serveraction.kerberos.KerberosOperationHandler.createKeytabFile(KerberosOperationHandler.java:439)
	at org.apache.ambari.server.serveraction.kerberos.CreateKeytabFilesServerAction.processIdentity(CreateKeytabFilesServerAction.java:276)
	at org.apache.ambari.server.serveraction.kerberos.KerberosServerAction.processRecord(KerberosServerAction.java:494)
	at org.apache.ambari.server.serveraction.kerberos.KerberosServerAction.processIdentities(KerberosServerAction.java:386)
	at org.apache.ambari.server.serveraction.kerberos.CreateKeytabFilesServerAction.execute(CreateKeytabFilesServerAction.java:99)
	at org.apache.ambari.server.serveraction.ServerActionExecutor$Worker.execute(ServerActionExecutor.java:504)
	at org.apache.ambari.server.serveraction.ServerActionExecutor$Worker.run(ServerActionExecutor.java:441)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.FileNotFoundException: /var/lib/ambari-server/tmp/.ambari_1427493565210-0.d/ip-10-99-165-62.ec2.internal/1ce5855f40583660938abde762237b442c2d5ba9
(Permission denied)
	at java.io.FileOutputStream.open(Native Method)
	at java.io.FileOutputStream.<init>(FileOutputStream.java:221)
	at org.apache.directory.server.kerberos.shared.keytab.Keytab.writeFile(Keytab.java:273)
	at org.apache.directory.server.kerberos.shared.keytab.Keytab.write(Keytab.java:133)
	at org.apache.ambari.server.serveraction.kerberos.KerberosOperationHandler.createKeytabFile(KerberosOperationHandler.java:429)
	... 7 more
27 Mar 2015 18:00:10,757  INFO
```

This was caused by incorrect permissions on `/var/lib/ambari-server/tmp/.ambari_1427493565210-0.d/ip-10-99-165-62.ec2.internal/`
where the directory was set to 600 (rw-------) rather than 700 (rwx------).

**Solution**
- Fix ambari.properties to have the correct `server.tmp.dir` value, which is `/var/lib/ambari-server/data/tmp`
- Make sure the directories in the created path has executable permissions for the user that
Ambari executes as


Diffs
-----

  ambari-server/conf/unix/ambari.properties 44aea5c 
  ambari-server/conf/windows/ambari.properties cfe9c3d 
  ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/CreateKeytabFilesServerAction.java
3e94cd6 
  ambari-server/src/test/java/org/apache/ambari/server/serveraction/kerberos/CreateKeytabFilesServerActionTest.java
PRE-CREATION 

Diff: https://reviews.apache.org/r/32604/diff/


Testing
-------

Manual testing in cluster to ensure directory permissions were set properly.
Addd new unit test to ensure directory and file permissions were set properly in `org.apache.ambari.server.serveraction.kerberos.CreateKeytabFilesServerAction#ensureAmbariOnlyAccess`

**Local test results: PENDING**

**Jenkins test results: PENDING**


Thanks,

Robert Levas


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