Add listener_port to provision_instance

API changes
- cannot change peers or enable
peers_from_control_nodes on VM deployments
- allow setting ip_address
- use ip_address over hostname in the generated
group_vars/all.yml
- Drop api/v2/peers endpoint

DB changes
- add ip_address unique constraint, but ignore "" entries

Other changes
- provision_instance should take listener_port option

Tests
- test that new controls doesn't disturb other peers
relationships
- test ip_address over hostname

awx/api/urls/urls.py

@@ -84,7 +84,6 @@ from .oauth2_root import urls as oauth2_root_urls
 from .workflow_approval_template import urls as workflow_approval_template_urls
 from .workflow_approval import urls as workflow_approval_urls
 from .analytics import urls as analytics_urls
-from .peers import urls as peers_urls
 
 v2_urls = [
     re_path(r'^$', ApiV2RootView.as_view(), name='api_v2_root_view'),
@@ -154,7 +153,6 @@ v2_urls = [
     re_path(r'^bulk/$', BulkView.as_view(), name='bulk'),
     re_path(r'^bulk/host_create/$', BulkHostCreateView.as_view(), name='bulk_host_create'),
     re_path(r'^bulk/job_launch/$', BulkJobLaunchView.as_view(), name='bulk_job_launch'),
-    re_path(r'^peers/', include(peers_urls)),
 ]