I just pulled latest ansible from git and installed it. And it seems that su_exe functionality is not working anymore. Regardless of what I set as su_exe, ansible tries to execute su. I also tried to set become_exe to something else not su but ansible executes su.
[privilege_escalation] become = True become_ask_pass = True become_user = root become_method = su become_exe = /opt/CA/AccessControl/bin/sesu become_flags = -