Hi John thanks for your answer.
On Mon, Aug 24, 2015 at 7:34 PM, John Speidel <[email protected]> wrote: > Mehmet, > > The service methods for the "requests" endpoint are contained in > org.apache.ambari.server.api.services.RequestService. > There are methods for GET/POST(create)/PUT(update). > You can start ambari server in debug mode like using the command > "ambari-server start --debug" and then use a debugger to walk through the > server code. > > -John > ________________________________________ > From: Mehmet Zahid Yüzügüldü <[email protected]> > Sent: Monday, August 24, 2015 8:59 AM > To: [email protected] > Subject: about apache ambari workflow > > Hi guys > > i make lots of research about ambari. > > i am using hadoop cluster about 2 years. HBase, Yarn Ozie, Hue and Solr. > > i am trying to add some dummy skills into ambari to learn the main > architecture. > > my object is to add ambari functionality that disable selinux from nodes > with the help of ambari-server and ambari-agent usage. > > java spring was used to develope ambari server, i tracked some api calls > from ambari-web. > > i got the url "http://node1:8080/api/v1/requests > <http://node1.b3lab.org:8080/api/v1/requests>" with request body: > > { > "RequestInfo": { > "action": "check_host", > "context": "Check host", > "parameters": { > "check_execute_list": "host_resolution_check", > "jdk_location": "http://node1:8080/resources/";, > "threshold": "20", > "hosts": "node1 <http://node1.b3lab.org>" > } > }, > "Requests/resource_filters": [ > { > "hosts": "node1 <http://node1.b3lab.org>" > } > ] > } > > > i found js file related with this call in > "ambari-web/app/conrtollers/wizard/step3-controller.js" > > it is creating the request and calls rest api as i said : > http://node1:8080/api/v1/requests > <http://node1.b3lab.org:8080/api/v1/requests> > > but i couldn't find the mapping of this rest api. i mean what service > method was fired with this rest api, i couldn't find. > > after i found this, i will insert new record into db with information to > disable selinux, like script type, script name to be run etc. > > i.e. > "{ > "taskId":3, > "commandId":"2-0", > "hostname":"node1 <http://node1.b3lab.org>", > "role":"new_host_action", > "hostLevelParams":{ > > }, > "roleParams":{ > "check_execute_list":"disable_selinux", > "jdk_location":"http://node1:8080/resources/";, > "threshold":"20" > }, > "roleCommand":"ACTIONEXECUTE", > "clusterHostInfo":{ > > }, > "configurations":{ > > }, > "configuration_attributes":{ > > }, > "forceRefreshConfigTags":[ > > ], > "commandParams":{ > "command_timeout":"60", > "script":"disable_selinux.py", > "script_type":"PYTHON" > }, > "kerberosCommandParams":[ > > ], > "commandType":"EXECUTION_COMMAND" > }," > > so when *ambari-agent heardbeat*, it will get that record and will run > script to disable selinux. am i wrong? > > i wonder if you could you help me to do that. > > i appreciate that. > > Mehmet Zahid Yüzügüldü > -- İyi Günler, Mehmet Zahid Yüzügüldü
