Place log directory in Jenkins workspace

When the integration task is run from some cookbook, our CWD is not the
Jenkins workspace, but one level below, so we need to use the proper
destination for our logs to be found by Jenkins after the run.

Change-Id: I5f9e9bb3c642634c65902e417f3e635008331761

Rakefile

@@ -150,17 +150,18 @@ def _setup_tempest(client_opts)
     sh %(sudo chef-client #{client_opts} -E allinone-ubuntu14 -r 'recipe[openstack-integration-test::setup]' || true)
 end
 
-def _save_logs(prefix)
+def _save_logs(prefix, log_dir)
   sh %(sleep 25)
   %w(nova neutron keystone cinder glance heat).each do |project|
-    sh %(mkdir -p logs/#{prefix}/#{project})
-    sh %(sudo cp -r /etc/#{project} logs/#{prefix}/#{project}/etc)
-    sh %(sudo cp -r /var/log/#{project} logs/#{prefix}/#{project}/log)
+    sh %(mkdir -p #{log_dir}/#{prefix}/#{project})
+    sh %(sudo cp -r /etc/#{project} #{log_dir}/#{prefix}/#{project}/etc)
+    sh %(sudo cp -r /var/log/#{project} #{log_dir}/#{prefix}/#{project}/log)
   end
 end
 
 desc "Integration test on Infra"
 task :integration => [:create_key, :berks_vendor] do
+  log_dir = ENV['WORKSPACE']+'/logs'
   # This is a workaround for allowing chef-client to run in local mode
   sh %(sudo mkdir /etc/chef && sudo cp .chef/encrypted_data_bag_secret /etc/chef/openstack_data_bag_secret)
   _run_env_queries
@@ -171,12 +172,12 @@ task :integration => [:create_key, :berks_vendor] do
     # Kick off chef client in local mode, will converge OpenStack right on the gate job "in place"
     sh %(sudo chef-client #{client_opts} -E allinone-ubuntu14 -r 'role[allinone]' || true)
     _setup_tempest(client_opts)
-    _save_logs("pass#{i}")
+    _save_logs("pass#{i}", log_dir)
     _setup_local_network if i == 1
     _run_basic_queries
     _setup_cinder_volume
     _run_nova_tests
   end
-  sh %(sudo chown -R $USER logs)
+  sh %(sudo chown -R $USER #{log_dir})
   # TODO (jklare) utilise tempest to run tests against openstack
 end