Sync kayobe-config with kayobe changes

Change-Id: Iedda041811602f42b51c080bb84c03a4b64a89fa

Author: priteau

etc/kayobe/bifrost.yml

@@ -86,6 +86,9 @@
 #kolla_bifrost_inspector_port_addition:
 
 # List of extra kernel parameters for the inspector default PXE configuration.
+# Default is {{ inspector_extra_kernel_options }}, defined in inspector.yml.
+# When customising this variable, the default extra kernel parameters should be
+# kept to retain full node inspection capabilities.
 #kolla_bifrost_inspector_extra_kernel_options:
 
 # List of introspection rules for Bifrost's Ironic Inspector service.

etc/kayobe/ipa.yml

@@ -16,7 +16,7 @@
 # URL of IPA builder source repository.
 #ipa_builder_source_url:
 
-# Version of IPA builder source repository. Default is master.
+# Version of IPA builder source repository. Default is {{ openstack_branch }}.
 #ipa_builder_source_version:
 
 # List of default Diskimage Builder (DIB) elements to use when building IPA

etc/kayobe/seed-hypervisor.yml

@@ -18,6 +18,9 @@
 # List of extra networks to which seed hypervisor nodes are attached.
 #seed_hypervisor_extra_network_interfaces:
 
+# Whether to enable SNAT on seed hypervisor node. Default is false.
+#seed_hypervisor_enable_snat:
+
 ###############################################################################
 # Seed hypervisor node software RAID configuration.