Ansible launcher: support static workers
Ansible launcher: support static workers

Change-Id: I7775124f89be94dc184586151e371ab1910ca0f1

gooddata/zuul,wikimedia/integration-zuul,gooddata/zuul,gooddata/zuul,gooddata/zuul,wikimedia/integration-zuul,wikimedia/integration-zuul,wikimedia/integration-zuul,gooddata/zuul