in ambari_plugin-2.0.6/common-services/DOLPHIN/2.0.6/package/scripts/dolphin_master_service.py [0:0]
def install(self, env):
import params
env.set_params(params)
self.install_packages(env)
Execute(('chmod', '-R', '777', params.dolphin_home))
Execute(('chown', '-R', params.dolphin_user + ":" + params.dolphin_group, params.dolphin_home))