diff --git a/doc/source/plugin-registry.rst b/doc/source/plugin-registry.rst
index 96a2733..9bfedcf 100644
--- a/doc/source/plugin-registry.rst
+++ b/doc/source/plugin-registry.rst
@@ -48,6 +48,7 @@
 devstack-plugin-glusterfs              `git://git.openstack.org/openstack/devstack-plugin-glusterfs <https://git.openstack.org/cgit/openstack/devstack-plugin-glusterfs>`__
 devstack-plugin-hdfs                   `git://git.openstack.org/openstack/devstack-plugin-hdfs <https://git.openstack.org/cgit/openstack/devstack-plugin-hdfs>`__
 devstack-plugin-kafka                  `git://git.openstack.org/openstack/devstack-plugin-kafka <https://git.openstack.org/cgit/openstack/devstack-plugin-kafka>`__
+devstack-plugin-libvirt-qemu           `git://git.openstack.org/openstack/devstack-plugin-libvirt-qemu <https://git.openstack.org/cgit/openstack/devstack-plugin-libvirt-qemu>`__
 devstack-plugin-mariadb                `git://git.openstack.org/openstack/devstack-plugin-mariadb <https://git.openstack.org/cgit/openstack/devstack-plugin-mariadb>`__
 devstack-plugin-nfs                    `git://git.openstack.org/openstack/devstack-plugin-nfs <https://git.openstack.org/cgit/openstack/devstack-plugin-nfs>`__
 devstack-plugin-pika                   `git://git.openstack.org/openstack/devstack-plugin-pika <https://git.openstack.org/cgit/openstack/devstack-plugin-pika>`__
@@ -62,7 +63,6 @@
 fuxi                                   `git://git.openstack.org/openstack/fuxi <https://git.openstack.org/cgit/openstack/fuxi>`__
 gce-api                                `git://git.openstack.org/openstack/gce-api <https://git.openstack.org/cgit/openstack/gce-api>`__
 glare                                  `git://git.openstack.org/openstack/glare <https://git.openstack.org/cgit/openstack/glare>`__
-gnocchi                                `git://git.openstack.org/openstack/gnocchi <https://git.openstack.org/cgit/openstack/gnocchi>`__
 group-based-policy                     `git://git.openstack.org/openstack/group-based-policy <https://git.openstack.org/cgit/openstack/group-based-policy>`__
 heat                                   `git://git.openstack.org/openstack/heat <https://git.openstack.org/cgit/openstack/heat>`__
 horizon-mellanox                       `git://git.openstack.org/openstack/horizon-mellanox <https://git.openstack.org/cgit/openstack/horizon-mellanox>`__
@@ -136,6 +136,7 @@
 os-xenapi                              `git://git.openstack.org/openstack/os-xenapi <https://git.openstack.org/cgit/openstack/os-xenapi>`__
 osprofiler                             `git://git.openstack.org/openstack/osprofiler <https://git.openstack.org/cgit/openstack/osprofiler>`__
 panko                                  `git://git.openstack.org/openstack/panko <https://git.openstack.org/cgit/openstack/panko>`__
+patrole                                `git://git.openstack.org/openstack/patrole <https://git.openstack.org/cgit/openstack/patrole>`__
 picasso                                `git://git.openstack.org/openstack/picasso <https://git.openstack.org/cgit/openstack/picasso>`__
 rally                                  `git://git.openstack.org/openstack/rally <https://git.openstack.org/cgit/openstack/rally>`__
 sahara                                 `git://git.openstack.org/openstack/sahara <https://git.openstack.org/cgit/openstack/sahara>`__
@@ -145,6 +146,7 @@
 searchlight-ui                         `git://git.openstack.org/openstack/searchlight-ui <https://git.openstack.org/cgit/openstack/searchlight-ui>`__
 senlin                                 `git://git.openstack.org/openstack/senlin <https://git.openstack.org/cgit/openstack/senlin>`__
 solum                                  `git://git.openstack.org/openstack/solum <https://git.openstack.org/cgit/openstack/solum>`__
+stackube                               `git://git.openstack.org/openstack/stackube <https://git.openstack.org/cgit/openstack/stackube>`__
 tacker                                 `git://git.openstack.org/openstack/tacker <https://git.openstack.org/cgit/openstack/tacker>`__
 tap-as-a-service                       `git://git.openstack.org/openstack/tap-as-a-service <https://git.openstack.org/cgit/openstack/tap-as-a-service>`__
 tricircle                              `git://git.openstack.org/openstack/tricircle <https://git.openstack.org/cgit/openstack/tricircle>`__
diff --git a/lib/cinder b/lib/cinder
index 2cbab20..291eebe 100644
--- a/lib/cinder
+++ b/lib/cinder
@@ -129,6 +129,7 @@
 # Test if any Cinder services are enabled
 # is_cinder_enabled
 function is_cinder_enabled {
+    [[ ,${DISABLED_SERVICES} =~ ,"cinder" ]] && return 1
     [[ ,${ENABLED_SERVICES} =~ ,"c-" ]] && return 0
     return 1
 }
diff --git a/lib/glance b/lib/glance
index d6438a6..57b5f45 100644
--- a/lib/glance
+++ b/lib/glance
@@ -78,6 +78,7 @@
 # Test if any Glance services are enabled
 # is_glance_enabled
 function is_glance_enabled {
+    [[ ,${DISABLED_SERVICES} =~ ,"glance" ]] && return 1
     [[ ,${ENABLED_SERVICES} =~ ,"g-" ]] && return 0
     return 1
 }
diff --git a/lib/keystone b/lib/keystone
index 4bb6893..eaed937 100644
--- a/lib/keystone
+++ b/lib/keystone
@@ -134,6 +134,7 @@
 # Test if Keystone is enabled
 # is_keystone_enabled
 function is_keystone_enabled {
+    [[ ,${DISABLED_SERVICES} =~ ,"keystone" ]] && return 1
     [[ ,${ENABLED_SERVICES}, =~ ,"key", ]] && return 0
     return 1
 }
diff --git a/lib/neutron b/lib/neutron
index efca880..5c88a50 100644
--- a/lib/neutron
+++ b/lib/neutron
@@ -91,6 +91,7 @@
 # Test if any Neutron services are enabled
 # is_neutron_enabled
 function is_neutron_enabled {
+    [[ ,${DISABLED_SERVICES} =~ ,"neutron" ]] && return 1
     [[ ,${ENABLED_SERVICES} =~ ,"neutron-" || ,${ENABLED_SERVICES} =~ ,"q-" ]] && return 0
     return 1
 }
@@ -98,6 +99,7 @@
 # Test if any Neutron services are enabled
 # is_neutron_enabled
 function is_neutron_legacy_enabled {
+    [[ ,${DISABLED_SERVICES} =~ ,"neutron" ]] && return 1
     [[ ,${ENABLED_SERVICES} =~ ,"q-" ]] && return 0
     return 1
 }
diff --git a/lib/nova b/lib/nova
index b7a0369..aae3108 100644
--- a/lib/nova
+++ b/lib/nova
@@ -175,6 +175,7 @@
 # Test if any Nova services are enabled
 # is_nova_enabled
 function is_nova_enabled {
+    [[ ,${DISABLED_SERVICES} =~ ,"nova" ]] && return 1
     [[ ,${ENABLED_SERVICES} =~ ,"n-" ]] && return 0
     return 1
 }
diff --git a/lib/swift b/lib/swift
index 8fad6b8..1472e44 100644
--- a/lib/swift
+++ b/lib/swift
@@ -174,6 +174,7 @@
 # Test if any Swift services are enabled
 # is_swift_enabled
 function is_swift_enabled {
+    [[ ,${DISABLED_SERVICES} =~ ,"swift" ]] && return 1
     [[ ,${ENABLED_SERVICES} =~ ,"s-" ]] && return 0
     return 1
 }
diff --git a/lib/template b/lib/template
index b92fb40..25d653c 100644
--- a/lib/template
+++ b/lib/template
@@ -41,6 +41,7 @@
 # Test if any XXXX services are enabled
 # is_XXXX_enabled
 function is_XXXX_enabled {
+    [[ ,${DISABLED_SERVICES} =~ ,"XXXX" ]] && return 1
     [[ ,${ENABLED_SERVICES} =~ ,"XX-" ]] && return 0
     return 1
 }
diff --git a/stackrc b/stackrc
index e9b8df2..80990b0 100644
--- a/stackrc
+++ b/stackrc
@@ -655,6 +655,8 @@
         ;;
 esac
 
+# By default, devstack will use Ubuntu Cloud Archive.
+ENABLE_UBUNTU_CLOUD_ARCHIVE=$(trueorfalse True ENABLE_UBUNTU_CLOUD_ARCHIVE)
 
 # Images
 # ------
diff --git a/tools/fixup_stuff.sh b/tools/fixup_stuff.sh
index d07d267..0b78bde 100755
--- a/tools/fixup_stuff.sh
+++ b/tools/fixup_stuff.sh
@@ -72,7 +72,10 @@
 # We've found that Libvirt on Xenial is flaky and crashes enough to be
 # a regular top e-r bug. Opt into Ubuntu Cloud Archive if on Xenial to
 # get newer Libvirt.
-if [[ "$DISTRO" = "xenial" ]]; then
+# Make it possible to switch this based on an environment variable as
+# libvirt 2.5.0 doesn't handle nested virtualization quite well and this
+# is required for the trove development environment.
+if [[ "${ENABLE_UBUNTU_CLOUD_ARCHIVE}" == "True" && "$DISTRO" = "xenial" ]]; then
     # This pulls in apt-add-repository
     install_package "software-properties-common"
     # Use UCA for newer libvirt. Should give us libvirt 2.5.0.