Thanks Kevin. This information would help in investigating and fixing KNOX-174: support service specific cap for buffering request entities for replay against WWW-authenticate challenge Dilli
On Mon, Sep 30, 2013 at 6:11 PM, Kevin Minder <[email protected]>wrote: > Hey Dilli, > > To see how a deployment contributor passes params into the deployment take > a look at the contributeDataNodeResource method of > gateway-service-webhdfs/src/**main/java/org/apache/hadoop/**gateway/hdfs/* > *WebHdfsDeploymentContributor.**java method > in particular the lines below. > > params = new ArrayList<**FilterParamDescriptor>(); > params.add( fileResource.**createFilterParam(). > name( UrlRewriteServletFilter.**REQUEST_URL_RULE_PARAM ).value( > getQualifiedName() + "/inbound/datanode" ) ); > addRewriteFilter( context, service, fileResource, params ); > > This ends up calling the deployment contributor for the provider. A good > example of this is the contributeFilter method of > gateway-provider-rewrite/src/**main/java/org/apache/hadoop/** > gateway/filter/rewrite/impl/**UrlRewriteDeploymentContributo**r.java > This method simply passes the params into filter init params in the > gateway.xml descriptor. > > You can also look at > gateway-server/src/main/java/**org/apache/hadoop/gateway/**deploy/impl/** > DispatchDeploymentContributor.**java > that is adding a filter init parameter depending upon a configuration > parameter. I don't think that HttpClientDispatch is currently using that > value BTW. > > Finally you can see how the filter init params are accessed between these > two classes. > gateway-provider-rewrite/src/**main/java/org/apache/hadoop/** > gateway/filter/rewrite/api/**UrlRewriteServletFilter.java > gateway-provider-rewrite/src/**main/java/org/apache/hadoop/** > gateway/filter/rewrite/impl/**UrlRewriteRequest.java > > Hope this saves you some time if you haven't already figured all of this > out. > > Kevin. > -- CONFIDENTIALITY NOTICE NOTICE: This message is intended for the use of the individual or entity to which it is addressed and may contain information that is confidential, privileged and exempt from disclosure under applicable law. If the reader of this message is not the intended recipient, you are hereby notified that any printing, copying, dissemination, distribution, disclosure or forwarding of this communication is strictly prohibited. If you have received this communication in error, please contact the sender immediately and delete it from your system. Thank You.
