Merge "Revert "Temporary add feature pragma""
diff --git a/.zuul.yaml b/.zuul.yaml
index 00129b5..5bc6a8b 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -468,6 +468,7 @@
         SWIFT_HASH: 1234123412341234
         DEBUG_LIBVIRT_COREDUMPS: true
         NOVA_VNC_ENABLED: true
+        OVN_DBS_LOG_LEVEL: dbg
       devstack_local_conf:
         post-config:
           $NEUTRON_CONF:
@@ -496,13 +497,14 @@
         n-sch: true
         # Placement service
         placement-api: true
+        # OVN services
+        ovn-controller: true
+        ovn-northd: true
+        ovs-vswitchd: true
+        ovsdb-server: true
         # Neutron services
-        q-agt: true
-        q-dhcp: true
-        q-l3: true
-        q-meta: true
-        q-metering: true
         q-svc: true
+        q-ovn-metadata-agent: true
         # Swift services
         s-account: true
         s-container: true
@@ -534,8 +536,12 @@
           n-cpu: true
           # Placement services
           placement-client: true
+          # OVN services
+          ovn-controller: true
+          ovs-vswitchd: true
+          ovsdb-server: true
           # Neutron services
-          q-agt: true
+          q-ovn-metadata-agent: true
           # Cinder services
           c-bak: true
           c-vol: true
@@ -553,6 +559,7 @@
           GLANCE_HOSTPORT: "{{ hostvars['controller']['nodepool']['private_ipv4'] }}:9292"
           Q_HOST: "{{ hostvars['controller']['nodepool']['private_ipv4'] }}"
           NOVA_VNC_ENABLED: true
+          ENABLE_CHASSIS_AS_GW: false
 
 - job:
     name: devstack-ipv6
@@ -585,16 +592,6 @@
     timeout: 9000
 
 - job:
-    name: devstack-platform-bionic
-    parent: tempest-full-py3
-    description: Ubuntu Bionic platform test
-    nodeset: openstack-single-node-bionic
-    voting: false
-    vars:
-      devstack_localrc:
-        CINDER_ISCSI_HELPER: tgtadm
-
-- job:
     name: devstack-async
     parent: tempest-full-py3
     description: Async mode enabled
@@ -606,6 +603,17 @@
         /opt/stack/async: logs
 
 - job:
+    name: devstack-no-tls-proxy
+    parent: tempest-full-py3
+    description: |
+      Tempest job with tls-proxy off.
+
+      Some gates run devstack like this and it follows different code paths.
+    vars:
+      devstack_services:
+        tls-proxy: false
+
+- job:
     name: devstack-platform-fedora-latest
     parent: tempest-full-py3
     description: Fedora latest platform test
@@ -678,6 +686,7 @@
 
 - job:
     name: devstack-unit-tests
+    nodeset: ubuntu-focal
     description: |
       Runs unit tests on devstack project.
 
@@ -695,7 +704,6 @@
         - devstack-ipv6
         - devstack-platform-fedora-latest
         - devstack-platform-centos-8
-        - devstack-platform-bionic
         - devstack-async
         - devstack-multinode
         - devstack-unit-tests
@@ -825,3 +833,7 @@
               - ^.*\.rst$
               - ^doc/.*$
         - devstack-platform-fedora-latest-virt-preview
+        - devstack-no-tls-proxy
+    periodic:
+      jobs:
+        - devstack-no-tls-proxy
diff --git a/doc/source/contributor/contributing.rst b/doc/source/contributor/contributing.rst
index 5e0df56..4de238f 100644
--- a/doc/source/contributor/contributing.rst
+++ b/doc/source/contributor/contributing.rst
@@ -13,7 +13,7 @@
 
 Communication
 ~~~~~~~~~~~~~
-* IRC channel ``#openstack-qa`` at FreeNode
+* IRC channel ``#openstack-qa`` at OFTC.
 * Mailing list (prefix subjects with ``[qa][devstack]`` for faster responses)
   http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-discuss
 
diff --git a/doc/source/index.rst b/doc/source/index.rst
index 8b8acde..9f477ab 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -40,7 +40,7 @@
 attempts to support the two latest LTS releases of Ubuntu, the
 latest/current Fedora version, CentOS/RHEL 8 and OpenSUSE.
 
-If you do not have a preference, Ubuntu 18.04 (Bionic Beaver) is the
+If you do not have a preference, Ubuntu 20.04 (Focal Fossa) is the
 most tested, and will probably go the smoothest.
 
 Add Stack User (optional)
diff --git a/doc/source/plugin-registry.rst b/doc/source/plugin-registry.rst
index 4e7c2d7..691fffa 100644
--- a/doc/source/plugin-registry.rst
+++ b/doc/source/plugin-registry.rst
@@ -24,6 +24,8 @@
 ======================================== ===
 Plugin Name                              URL
 ======================================== ===
+inspur/venus                             `https://opendev.org/inspur/venus <https://opendev.org/inspur/venus>`__
+inspur/venus-dashboard                   `https://opendev.org/inspur/venus-dashboard <https://opendev.org/inspur/venus-dashboard>`__
 openstack/aodh                           `https://opendev.org/openstack/aodh <https://opendev.org/openstack/aodh>`__
 openstack/barbican                       `https://opendev.org/openstack/barbican <https://opendev.org/openstack/barbican>`__
 openstack/blazar                         `https://opendev.org/openstack/blazar <https://opendev.org/openstack/blazar>`__
@@ -39,21 +41,18 @@
 openstack/devstack-plugin-kafka          `https://opendev.org/openstack/devstack-plugin-kafka <https://opendev.org/openstack/devstack-plugin-kafka>`__
 openstack/devstack-plugin-nfs            `https://opendev.org/openstack/devstack-plugin-nfs <https://opendev.org/openstack/devstack-plugin-nfs>`__
 openstack/devstack-plugin-open-cas       `https://opendev.org/openstack/devstack-plugin-open-cas <https://opendev.org/openstack/devstack-plugin-open-cas>`__
-openstack/devstack-plugin-pika           `https://opendev.org/openstack/devstack-plugin-pika <https://opendev.org/openstack/devstack-plugin-pika>`__
-openstack/devstack-plugin-zmq            `https://opendev.org/openstack/devstack-plugin-zmq <https://opendev.org/openstack/devstack-plugin-zmq>`__
 openstack/ec2-api                        `https://opendev.org/openstack/ec2-api <https://opendev.org/openstack/ec2-api>`__
 openstack/freezer                        `https://opendev.org/openstack/freezer <https://opendev.org/openstack/freezer>`__
 openstack/freezer-api                    `https://opendev.org/openstack/freezer-api <https://opendev.org/openstack/freezer-api>`__
 openstack/freezer-tempest-plugin         `https://opendev.org/openstack/freezer-tempest-plugin <https://opendev.org/openstack/freezer-tempest-plugin>`__
 openstack/freezer-web-ui                 `https://opendev.org/openstack/freezer-web-ui <https://opendev.org/openstack/freezer-web-ui>`__
+openstack/glance                         `https://opendev.org/openstack/glance <https://opendev.org/openstack/glance>`__
 openstack/heat                           `https://opendev.org/openstack/heat <https://opendev.org/openstack/heat>`__
 openstack/heat-dashboard                 `https://opendev.org/openstack/heat-dashboard <https://opendev.org/openstack/heat-dashboard>`__
 openstack/ironic                         `https://opendev.org/openstack/ironic <https://opendev.org/openstack/ironic>`__
 openstack/ironic-inspector               `https://opendev.org/openstack/ironic-inspector <https://opendev.org/openstack/ironic-inspector>`__
 openstack/ironic-prometheus-exporter     `https://opendev.org/openstack/ironic-prometheus-exporter <https://opendev.org/openstack/ironic-prometheus-exporter>`__
 openstack/ironic-ui                      `https://opendev.org/openstack/ironic-ui <https://opendev.org/openstack/ironic-ui>`__
-openstack/karbor                         `https://opendev.org/openstack/karbor <https://opendev.org/openstack/karbor>`__
-openstack/karbor-dashboard               `https://opendev.org/openstack/karbor-dashboard <https://opendev.org/openstack/karbor-dashboard>`__
 openstack/keystone                       `https://opendev.org/openstack/keystone <https://opendev.org/openstack/keystone>`__
 openstack/kuryr-kubernetes               `https://opendev.org/openstack/kuryr-kubernetes <https://opendev.org/openstack/kuryr-kubernetes>`__
 openstack/kuryr-libnetwork               `https://opendev.org/openstack/kuryr-libnetwork <https://opendev.org/openstack/kuryr-libnetwork>`__
@@ -65,21 +64,15 @@
 openstack/manila-ui                      `https://opendev.org/openstack/manila-ui <https://opendev.org/openstack/manila-ui>`__
 openstack/masakari                       `https://opendev.org/openstack/masakari <https://opendev.org/openstack/masakari>`__
 openstack/mistral                        `https://opendev.org/openstack/mistral <https://opendev.org/openstack/mistral>`__
-openstack/monasca-analytics              `https://opendev.org/openstack/monasca-analytics <https://opendev.org/openstack/monasca-analytics>`__
 openstack/monasca-api                    `https://opendev.org/openstack/monasca-api <https://opendev.org/openstack/monasca-api>`__
-openstack/monasca-ceilometer             `https://opendev.org/openstack/monasca-ceilometer <https://opendev.org/openstack/monasca-ceilometer>`__
 openstack/monasca-events-api             `https://opendev.org/openstack/monasca-events-api <https://opendev.org/openstack/monasca-events-api>`__
-openstack/monasca-log-api                `https://opendev.org/openstack/monasca-log-api <https://opendev.org/openstack/monasca-log-api>`__
 openstack/monasca-tempest-plugin         `https://opendev.org/openstack/monasca-tempest-plugin <https://opendev.org/openstack/monasca-tempest-plugin>`__
-openstack/monasca-transform              `https://opendev.org/openstack/monasca-transform <https://opendev.org/openstack/monasca-transform>`__
 openstack/murano                         `https://opendev.org/openstack/murano <https://opendev.org/openstack/murano>`__
 openstack/networking-bagpipe             `https://opendev.org/openstack/networking-bagpipe <https://opendev.org/openstack/networking-bagpipe>`__
 openstack/networking-baremetal           `https://opendev.org/openstack/networking-baremetal <https://opendev.org/openstack/networking-baremetal>`__
 openstack/networking-bgpvpn              `https://opendev.org/openstack/networking-bgpvpn <https://opendev.org/openstack/networking-bgpvpn>`__
 openstack/networking-generic-switch      `https://opendev.org/openstack/networking-generic-switch <https://opendev.org/openstack/networking-generic-switch>`__
 openstack/networking-hyperv              `https://opendev.org/openstack/networking-hyperv <https://opendev.org/openstack/networking-hyperv>`__
-openstack/networking-l2gw                `https://opendev.org/openstack/networking-l2gw <https://opendev.org/openstack/networking-l2gw>`__
-openstack/networking-midonet             `https://opendev.org/openstack/networking-midonet <https://opendev.org/openstack/networking-midonet>`__
 openstack/networking-odl                 `https://opendev.org/openstack/networking-odl <https://opendev.org/openstack/networking-odl>`__
 openstack/networking-powervm             `https://opendev.org/openstack/networking-powervm <https://opendev.org/openstack/networking-powervm>`__
 openstack/networking-sfc                 `https://opendev.org/openstack/networking-sfc <https://opendev.org/openstack/networking-sfc>`__
@@ -93,19 +86,13 @@
 openstack/octavia-dashboard              `https://opendev.org/openstack/octavia-dashboard <https://opendev.org/openstack/octavia-dashboard>`__
 openstack/octavia-tempest-plugin         `https://opendev.org/openstack/octavia-tempest-plugin <https://opendev.org/openstack/octavia-tempest-plugin>`__
 openstack/openstacksdk                   `https://opendev.org/openstack/openstacksdk <https://opendev.org/openstack/openstacksdk>`__
-openstack/os-loganalyze                  `https://opendev.org/openstack/os-loganalyze <https://opendev.org/openstack/os-loganalyze>`__
 openstack/osprofiler                     `https://opendev.org/openstack/osprofiler <https://opendev.org/openstack/osprofiler>`__
 openstack/oswin-tempest-plugin           `https://opendev.org/openstack/oswin-tempest-plugin <https://opendev.org/openstack/oswin-tempest-plugin>`__
 openstack/ovn-octavia-provider           `https://opendev.org/openstack/ovn-octavia-provider <https://opendev.org/openstack/ovn-octavia-provider>`__
-openstack/panko                          `https://opendev.org/openstack/panko <https://opendev.org/openstack/panko>`__
 openstack/patrole                        `https://opendev.org/openstack/patrole <https://opendev.org/openstack/patrole>`__
-openstack/qinling                        `https://opendev.org/openstack/qinling <https://opendev.org/openstack/qinling>`__
-openstack/qinling-dashboard              `https://opendev.org/openstack/qinling-dashboard <https://opendev.org/openstack/qinling-dashboard>`__
 openstack/rally-openstack                `https://opendev.org/openstack/rally-openstack <https://opendev.org/openstack/rally-openstack>`__
 openstack/sahara                         `https://opendev.org/openstack/sahara <https://opendev.org/openstack/sahara>`__
 openstack/sahara-dashboard               `https://opendev.org/openstack/sahara-dashboard <https://opendev.org/openstack/sahara-dashboard>`__
-openstack/searchlight                    `https://opendev.org/openstack/searchlight <https://opendev.org/openstack/searchlight>`__
-openstack/searchlight-ui                 `https://opendev.org/openstack/searchlight-ui <https://opendev.org/openstack/searchlight-ui>`__
 openstack/senlin                         `https://opendev.org/openstack/senlin <https://opendev.org/openstack/senlin>`__
 openstack/shade                          `https://opendev.org/openstack/shade <https://opendev.org/openstack/shade>`__
 openstack/solum                          `https://opendev.org/openstack/solum <https://opendev.org/openstack/solum>`__
@@ -143,6 +130,7 @@
 x/devstack-plugin-hdfs                   `https://opendev.org/x/devstack-plugin-hdfs <https://opendev.org/x/devstack-plugin-hdfs>`__
 x/devstack-plugin-libvirt-qemu           `https://opendev.org/x/devstack-plugin-libvirt-qemu <https://opendev.org/x/devstack-plugin-libvirt-qemu>`__
 x/devstack-plugin-mariadb                `https://opendev.org/x/devstack-plugin-mariadb <https://opendev.org/x/devstack-plugin-mariadb>`__
+x/devstack-plugin-tobiko                 `https://opendev.org/x/devstack-plugin-tobiko <https://opendev.org/x/devstack-plugin-tobiko>`__
 x/devstack-plugin-vmax                   `https://opendev.org/x/devstack-plugin-vmax <https://opendev.org/x/devstack-plugin-vmax>`__
 x/drbd-devstack                          `https://opendev.org/x/drbd-devstack <https://opendev.org/x/drbd-devstack>`__
 x/fenix                                  `https://opendev.org/x/fenix <https://opendev.org/x/fenix>`__
@@ -169,6 +157,7 @@
 x/networking-hpe                         `https://opendev.org/x/networking-hpe <https://opendev.org/x/networking-hpe>`__
 x/networking-huawei                      `https://opendev.org/x/networking-huawei <https://opendev.org/x/networking-huawei>`__
 x/networking-infoblox                    `https://opendev.org/x/networking-infoblox <https://opendev.org/x/networking-infoblox>`__
+x/networking-l2gw                        `https://opendev.org/x/networking-l2gw <https://opendev.org/x/networking-l2gw>`__
 x/networking-lagopus                     `https://opendev.org/x/networking-lagopus <https://opendev.org/x/networking-lagopus>`__
 x/networking-mlnx                        `https://opendev.org/x/networking-mlnx <https://opendev.org/x/networking-mlnx>`__
 x/networking-nec                         `https://opendev.org/x/networking-nec <https://opendev.org/x/networking-nec>`__
@@ -193,7 +182,6 @@
 x/tap-as-a-service                       `https://opendev.org/x/tap-as-a-service <https://opendev.org/x/tap-as-a-service>`__
 x/tap-as-a-service-dashboard             `https://opendev.org/x/tap-as-a-service-dashboard <https://opendev.org/x/tap-as-a-service-dashboard>`__
 x/tatu                                   `https://opendev.org/x/tatu <https://opendev.org/x/tatu>`__
-x/tobiko                                 `https://opendev.org/x/tobiko <https://opendev.org/x/tobiko>`__
 x/trio2o                                 `https://opendev.org/x/trio2o <https://opendev.org/x/trio2o>`__
 x/valet                                  `https://opendev.org/x/valet <https://opendev.org/x/valet>`__
 x/vmware-nsx                             `https://opendev.org/x/vmware-nsx <https://opendev.org/x/vmware-nsx>`__
diff --git a/files/apts b/files/apts
deleted file mode 120000
index ef926de..0000000
--- a/files/apts
+++ /dev/null
@@ -1 +0,0 @@
-debs/
\ No newline at end of file
diff --git a/files/debs/dstat b/files/debs/dstat
index 2b643b8..40d00f4 100644
--- a/files/debs/dstat
+++ b/files/debs/dstat
@@ -1 +1,2 @@
-dstat
+dstat # dist:bionic
+pcp
diff --git a/lib/apache b/lib/apache
index 870a65a..04259ba 100644
--- a/lib/apache
+++ b/lib/apache
@@ -93,9 +93,6 @@
 
     if is_ubuntu; then
         local pkg_list="uwsgi uwsgi-plugin-python3 libapache2-mod-proxy-uwsgi"
-        if [[ "$DISTRO" == 'bionic' ]]; then
-            pkg_list="${pkg_list} uwsgi-plugin-python"
-        fi
         install_package ${pkg_list}
     elif is_fedora; then
         # Note httpd comes with mod_proxy_uwsgi and it is loaded by
diff --git a/lib/cinder b/lib/cinder
index cfa3693..f6fd095 100644
--- a/lib/cinder
+++ b/lib/cinder
@@ -91,12 +91,6 @@
 # Default to lioadm
 CINDER_ISCSI_HELPER=${CINDER_ISCSI_HELPER:-lioadm}
 
-# Bionic needs to default to tgtadm until support is dropped within devstack
-# as the rtslib-fb-targetctl service doesn't start after installing lioadm.
-if is_ubuntu && [[ "$DISTRO" == "bionic" ]]; then
-    CINDER_ISCSI_HELPER=tgtadm
-fi
-
 # EL and SUSE should only use lioadm
 if is_fedora || is_suse; then
     if [[ ${CINDER_ISCSI_HELPER} != "lioadm" ]]; then
@@ -376,12 +370,6 @@
                 "$REGION_NAME" \
                 "$CINDER_SERVICE_PROTOCOL://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v3/\$(project_id)s"
 
-            get_or_create_service "cinderv2" "volumev2" "Cinder Volume Service V2"
-            get_or_create_endpoint \
-                "volumev2" \
-                "$REGION_NAME" \
-                "$CINDER_SERVICE_PROTOCOL://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v2/\$(project_id)s"
-
             get_or_create_service "cinderv3" "volumev3" "Cinder Volume Service V3"
             get_or_create_endpoint \
                 "volumev3" \
@@ -393,12 +381,6 @@
                 "$REGION_NAME" \
                 "$CINDER_SERVICE_PROTOCOL://$CINDER_SERVICE_HOST/volume/v3/\$(project_id)s"
 
-            get_or_create_service "cinderv2" "volumev2" "Cinder Volume Service V2"
-            get_or_create_endpoint \
-                "volumev2" \
-                "$REGION_NAME" \
-                "$CINDER_SERVICE_PROTOCOL://$CINDER_SERVICE_HOST/volume/v2/\$(project_id)s"
-
             get_or_create_service "cinderv3" "volumev3" "Cinder Volume Service V3"
             get_or_create_endpoint \
                 "volumev3" \
diff --git a/lib/cinder_backends/ceph_iscsi b/lib/cinder_backends/ceph_iscsi
new file mode 100644
index 0000000..94412e0
--- /dev/null
+++ b/lib/cinder_backends/ceph_iscsi
@@ -0,0 +1,56 @@
+#!/bin/bash
+#
+# lib/cinder_backends/ceph_iscsi
+# Configure the ceph_iscsi backend
+
+# Enable with:
+#
+#   CINDER_ENABLED_BACKENDS+=,ceph_iscsi:ceph_iscsi
+#
+# Optional paramteters:
+#   CEPH_ISCSI_API_URL=<url to the rbd-target-api service>
+#
+# Dependencies:
+#
+# - ``functions`` file
+# - ``cinder`` configurations
+
+# configure_ceph_backend_ceph_iscsi - called from configure_cinder()
+
+
+# Save trace setting
+_XTRACE_CINDER_CEPH_ISCSI=$(set +o | grep xtrace)
+set +o xtrace
+
+# Entry Points
+# ------------
+
+# configure_cinder_backend_ceph_iscsi - Set config files, create data dirs, etc
+# configure_cinder_backend_ceph_iscsi $name
+function configure_cinder_backend_ceph_iscsi {
+    local be_name=$1
+
+    CEPH_ISCSI_API_URL=${CEPH_ISCSI_API_URL:-http://$CEPH_ISCSI_API_HOST:$CEPH_ISCSI_API_PORT}
+
+    iniset $CINDER_CONF $be_name volume_backend_name $be_name
+    iniset $CINDER_CONF $be_name volume_driver "cinder.volume.drivers.ceph.rbd_iscsi.RBDISCSIDriver"
+    iniset $CINDER_CONF $be_name rbd_ceph_conf "$CEPH_CONF_FILE"
+    iniset $CINDER_CONF $be_name rbd_pool "$CINDER_CEPH_POOL"
+    iniset $CINDER_CONF $be_name rbd_user "$CINDER_CEPH_USER"
+    iniset $CINDER_CONF $be_name rbd_iscsi_api_user "$CEPH_ISCSI_API_USER"
+    iniset $CINDER_CONF $be_name rbd_iscsi_api_password "$CEPH_ISCSI_API_PASSWORD"
+    iniset $CINDER_CONF $be_name rbd_iscsi_api_url "$CEPH_ISCSI_API_URL"
+    iniset $CINDER_CONF $be_name rbd_iscsi_target_iqn "$CEPH_ISCSI_TARGET_IQN"
+    iniset $CINDER_CONF $be_name rbd_flatten_volume_from_snapshot False
+    iniset $CINDER_CONF $be_name rbd_max_clone_depth 5
+    iniset $CINDER_CONF DEFAULT glance_api_version 2
+
+    pip_install rbd-iscsi-client
+}
+
+# Restore xtrace
+$_XTRACE_CINDER_CEPH_ISCSI
+
+# Local variables:
+# mode: shell-script
+# End:
diff --git a/lib/neutron_plugins/ml2 b/lib/neutron_plugins/ml2
index ae4b251..e1f868f 100644
--- a/lib/neutron_plugins/ml2
+++ b/lib/neutron_plugins/ml2
@@ -7,15 +7,16 @@
 _XTRACE_NEUTRON_ML2=$(set +o | grep xtrace)
 set +o xtrace
 
-# Default openvswitch L2 agent
-Q_AGENT=${Q_AGENT:-openvswitch}
+# Default OVN L2 agent
+Q_AGENT=${Q_AGENT:-ovn}
 if [ -f $TOP_DIR/lib/neutron_plugins/${Q_AGENT}_agent ]; then
     source $TOP_DIR/lib/neutron_plugins/${Q_AGENT}_agent
 fi
 
 # Enable this to simply and quickly enable tunneling with ML2.
-# Select either 'gre', 'vxlan', or 'gre,vxlan'
-Q_ML2_TENANT_NETWORK_TYPE=${Q_ML2_TENANT_NETWORK_TYPE:-"vxlan"}
+# For ML2/OVS select either 'gre', 'vxlan', or 'gre,vxlan'.
+# For ML2/OVN use 'geneve'.
+Q_ML2_TENANT_NETWORK_TYPE=${Q_ML2_TENANT_NETWORK_TYPE:-"geneve"}
 # This has to be set here since the agent will set this in the config file
 if [[ "$Q_ML2_TENANT_NETWORK_TYPE" == "gre" || "$Q_ML2_TENANT_NETWORK_TYPE" == "vxlan" ]]; then
     Q_TUNNEL_TYPES=$Q_ML2_TENANT_NETWORK_TYPE
@@ -24,7 +25,7 @@
 fi
 
 # List of MechanismDrivers to load
-Q_ML2_PLUGIN_MECHANISM_DRIVERS=${Q_ML2_PLUGIN_MECHANISM_DRIVERS:-openvswitch,linuxbridge}
+Q_ML2_PLUGIN_MECHANISM_DRIVERS=${Q_ML2_PLUGIN_MECHANISM_DRIVERS:-ovn}
 # Default GRE TypeDriver options
 Q_ML2_PLUGIN_GRE_TYPE_OPTIONS=${Q_ML2_PLUGIN_GRE_TYPE_OPTIONS:-tunnel_id_ranges=$TENANT_TUNNEL_RANGES}
 # Default VXLAN TypeDriver options
diff --git a/lib/neutron_plugins/ovn_agent b/lib/neutron_plugins/ovn_agent
index e4d0d75..948fede 100644
--- a/lib/neutron_plugins/ovn_agent
+++ b/lib/neutron_plugins/ovn_agent
@@ -21,9 +21,8 @@
 source ${TOP_DIR}/lib/neutron_plugins/ovs_base
 source ${TOP_DIR}/lib/neutron_plugins/openvswitch_agent
 
-# Load devstack ovs base functions
-source $NEUTRON_DIR/devstack/lib/ovs
-
+# Load devstack ovs compliation and loading functions
+source ${TOP_DIR}/lib/neutron_plugins/ovs_source
 
 # Defaults
 # --------
@@ -88,12 +87,19 @@
 # configure the MTU DHCP option.
 OVN_GENEVE_OVERHEAD=${OVN_GENEVE_OVERHEAD:-38}
 
-# The log level of the OVN databases (north and south)
+# The log level of the OVN databases (north and south).
+# Supported log levels are: off, emer, err, warn, info or dbg.
+# More information about log levels can be found at
+# http://www.openvswitch.org/support/dist-docs/ovs-appctl.8.txt
 OVN_DBS_LOG_LEVEL=${OVN_DBS_LOG_LEVEL:-info}
 
 OVN_META_CONF=$NEUTRON_CONF_DIR/neutron_ovn_metadata_agent.ini
 OVN_META_DATA_HOST=${OVN_META_DATA_HOST:-$(ipv6_unquote $SERVICE_HOST)}
 
+# If True (default) the node will be considered a gateway node.
+ENABLE_CHASSIS_AS_GW=$(trueorfalse True ENABLE_CHASSIS_AS_GW)
+OVN_L3_CREATE_PUBLIC_NETWORK=$(trueorfalse True OVN_L3_CREATE_PUBLIC_NETWORK)
+
 export OVSDB_SERVER_LOCAL_HOST=$SERVICE_LOCAL_HOST
 if [[ "$SERVICE_IP_VERSION" == 6 ]]; then
     OVSDB_SERVER_LOCAL_HOST=[$OVSDB_SERVER_LOCAL_HOST]
@@ -171,6 +177,9 @@
 }
 
 function use_new_ovn_repository {
+    if [[ "$OVN_BUILD_FROM_SOURCE" == "False" ]]; then
+        return 0
+    fi
     if [ -z "$is_new_ovn" ]; then
         local ovs_repo_dir=$DEST/$OVS_REPO_NAME
         if [ ! -d $ovs_repo_dir ]; then
diff --git a/lib/neutron_plugins/ovs_source b/lib/neutron_plugins/ovs_source
new file mode 100644
index 0000000..294171f
--- /dev/null
+++ b/lib/neutron_plugins/ovs_source
@@ -0,0 +1,215 @@
+#!/bin/bash
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+# Defaults
+# --------
+
+# Set variables for building OVS from source
+OVS_REPO=${OVS_REPO:-https://github.com/openvswitch/ovs.git}
+OVS_REPO_NAME=$(basename ${OVS_REPO} | cut -f1 -d'.')
+OVS_REPO_NAME=${OVS_REPO_NAME:-ovs}
+OVS_BRANCH=${OVS_BRANCH:-0047ca3a0290f1ef954f2c76b31477cf4b9755f5}
+
+# Functions
+
+# load_module() - Load module using modprobe module given by argument and dies
+#                 on failure
+#               - fatal argument is optional and says whether function should
+#                 exit if module can't be loaded
+function load_module {
+    local module=$1
+    local fatal=$2
+
+    if [ "$(trueorfalse True fatal)" == "True" ]; then
+        sudo modprobe $module || (dmesg && die $LINENO "FAILED TO LOAD $module")
+    else
+        sudo modprobe $module || (echo "FAILED TO LOAD $module" && dmesg)
+    fi
+}
+
+# prepare_for_compilation() - Fetch ovs git repository and install packages needed for
+#                             compilation.
+function prepare_for_ovs_compilation {
+    local build_modules=${1:-False}
+    OVS_DIR=$DEST/$OVS_REPO_NAME
+
+    if [ ! -d $OVS_DIR ] ; then
+        # We can't use git_clone here because we want to ignore ERROR_ON_CLONE
+        git_timed clone $OVS_REPO $OVS_DIR
+        cd $OVS_DIR
+        git checkout $OVS_BRANCH
+    else
+        # Even though the directory already exists, call git_clone to update it
+        # if needed based on the RECLONE option
+        git_clone $OVS_REPO $OVS_DIR $OVS_BRANCH
+        cd $OVS_DIR
+    fi
+
+    # TODO: Can you create package list files like you can inside devstack?
+    install_package autoconf automake libtool gcc patch make
+
+    # If build_modules is False, we don't need to install the kernel-*
+    # packages. Just return.
+    if [[ "$build_modules" == "False" ]]; then
+        return
+    fi
+
+    KERNEL_VERSION=`uname -r`
+    if is_fedora ; then
+        # is_fedora covers Fedora, RHEL, CentOS, etc...
+        if [[ "$os_VENDOR" == "Fedora" ]]; then
+            install_package elfutils-libelf-devel
+            KERNEL_VERSION=`echo $KERNEL_VERSION | cut --delimiter='-' --field 1`
+        elif [[ ${KERNEL_VERSION:0:2} != "3." ]]; then
+            # dash is illegal character in rpm version so replace
+            # them with underscore like it is done in the kernel
+            # https://github.com/torvalds/linux/blob/master/scripts/package/mkspec#L25
+            # but only for latest series of the kernel, not 3.x
+
+            KERNEL_VERSION=`echo $KERNEL_VERSION | tr - _`
+        fi
+
+        echo NOTE: if kernel-devel-$KERNEL_VERSION or kernel-headers-$KERNEL_VERSION installation
+        echo failed, please, provide a repository with the package, or yum update / reboot
+        echo your machine to get the latest kernel.
+
+        install_package kernel-devel-$KERNEL_VERSION
+        install_package kernel-headers-$KERNEL_VERSION
+
+    elif is_ubuntu ; then
+        install_package linux-headers-$KERNEL_VERSION
+    fi
+}
+
+# load_ovs_kernel_modules() - load openvswitch kernel module
+function load_ovs_kernel_modules {
+    load_module openvswitch
+    load_module vport-geneve False
+    dmesg | tail
+}
+
+# reload_ovs_kernel_modules() - reload openvswitch kernel module
+function reload_ovs_kernel_modules {
+    set +e
+    ovs_system=$(sudo ovs-dpctl dump-dps | grep ovs-system)
+    if [ -n "$ovs_system" ]; then
+        sudo ovs-dpctl del-dp ovs-system
+    fi
+    set -e
+    sudo modprobe -r vport_geneve
+    sudo modprobe -r openvswitch
+    load_ovs_kernel_modules
+}
+
+# compile_ovs() - Compile OVS from source and load needed modules.
+#                 Accepts two parameters:
+#                   - first one is False by default and means that modules are not built and installed.
+#                   - second optional parameter defines prefix for ovs compilation
+#                   - third optional parameter defines localstatedir for ovs single machine runtime
+#                 Env variables OVS_REPO_NAME, OVS_REPO and OVS_BRANCH must be set
+function compile_ovs {
+    local _pwd=$PWD
+    local build_modules=${1:-False}
+    local prefix=$2
+    local localstatedir=$3
+
+    if [ -n "$prefix" ]; then
+        prefix="--prefix=$prefix"
+    fi
+
+    if [ -n "$localstatedir" ]; then
+        localstatedir="--localstatedir=$localstatedir"
+    fi
+
+    prepare_for_ovs_compilation $build_modules
+
+    KERNEL_VERSION=$(uname -r)
+    major_version=$(echo "${KERNEL_VERSION}" | cut -d '.' -f1)
+    patch_level=$(echo "${KERNEL_VERSION}" | cut -d '.' -f2)
+    if [ "${major_version}" -gt 5 ] || [ "${major_version}" == 5 ] && [ "${patch_level}" -gt 5 ]; then
+        echo "NOTE: KERNEL VERSION is ${KERNEL_VERSION} and OVS doesn't support compiling "
+        echo "Kernel module for version higher than 5.5. Skipping module compilation..."
+        build_modules="False"
+    fi
+
+    if [ ! -f configure ] ; then
+        ./boot.sh
+    fi
+    if [ ! -f config.status ] || [ configure -nt config.status ] ; then
+        if [[ "$build_modules" == "True" ]]; then
+            ./configure $prefix $localstatedir --with-linux=/lib/modules/$(uname -r)/build
+        else
+            ./configure $prefix $localstatedir
+        fi
+    fi
+    make -j$(($(nproc) + 1))
+    sudo make install
+    if [[ "$build_modules" == "True" ]]; then
+        sudo make INSTALL_MOD_DIR=kernel/net/openvswitch modules_install
+        reload_ovs_kernel_modules
+    else
+        load_ovs_kernel_modules
+    fi
+
+    cd $_pwd
+}
+
+# action_service - call an action over openvswitch service
+#                  Accepts one parameter that can be either
+#                  'start', 'restart' and 'stop'.
+function action_openvswitch {
+    local action=$1
+
+    if is_ubuntu; then
+        ${action}_service openvswitch-switch
+    elif is_fedora; then
+        ${action}_service openvswitch
+    elif is_suse; then
+        if [[ $DISTRO == "sle12" ]] && [[ $os_RELEASE -lt 12.2 ]]; then
+            ${action}_service openvswitch-switch
+        else
+            ${action}_service openvswitch
+        fi
+    fi
+}
+
+# start_new_ovs() - removes old ovs database, creates a new one and starts ovs
+function start_new_ovs {
+    sudo rm -f /etc/openvswitch/conf.db /etc/openvswitch/.conf.db~lock~
+    sudo /usr/share/openvswitch/scripts/ovs-ctl start
+}
+
+# stop_new_ovs() - stops ovs
+function stop_new_ovs {
+    local ovs_ctl='/usr/share/openvswitch/scripts/ovs-ctl'
+
+    if [ -x $ovs_ctl ] ; then
+        sudo $ovs_ctl stop
+    fi
+}
+
+# remove_ovs_packages() - removes old ovs packages from the system
+function remove_ovs_packages {
+    for package in openvswitch openvswitch-switch openvswitch-common; do
+        if is_package_installed $package; then
+            uninstall_package $package
+        fi
+    done
+}
+
+
+# load_conntrack_gre_module() - loads nf_conntrack_proto_gre kernel module
+function load_conntrack_gre_module {
+    sudo modprobe nf_conntrack_proto_gre
+}
diff --git a/lib/neutron_plugins/services/l3 b/lib/neutron_plugins/services/l3
index 75a3567..5d339a0 100644
--- a/lib/neutron_plugins/services/l3
+++ b/lib/neutron_plugins/services/l3
@@ -392,8 +392,8 @@
         openstack --os-cloud devstack-admin --os-region "$REGION_NAME" router set --external-gateway $EXT_NET_ID $ROUTER_ID
     fi
 
-    # This logic is specific to using the l3-agent for layer 3
-    if is_service_enabled q-l3 || is_service_enabled neutron-l3; then
+    # This logic is specific to using OVN or the l3-agent for layer 3
+    if ([[ $Q_AGENT == "ovn" ]] && is_service_enabled q-svc neutron-server) || is_service_enabled q-l3 neutron-l3; then
         # if the Linux host considers itself to be a router then it will
         # ignore all router advertisements
         # Ensure IPv6 RAs are accepted on interfaces with a default route.
@@ -420,6 +420,11 @@
 
             # Configure interface for public bridge
             sudo ip -6 addr replace $ipv6_ext_gw_ip/$ipv6_cidr_len dev $ext_gw_interface
+            # Any IPv6 private subnet that uses the default IPV6 subnet pool
+            # and that is plugged into the default router (Q_ROUTER_NAME) will
+            # be reachable from the devstack node (ex: ipv6-private-subnet).
+            # Some scenario tests (such as octavia-tempest-plugin) rely heavily
+            # on this feature.
             local replace_range=${SUBNETPOOL_PREFIX_V6}
             if [[ -z "${SUBNETPOOL_V6_ID}" ]]; then
                 replace_range=${FIXED_RANGE_V6}
diff --git a/lib/tempest b/lib/tempest
index 29a6229..d835c68 100644
--- a/lib/tempest
+++ b/lib/tempest
@@ -459,13 +459,6 @@
     iniset $TEMPEST_CONFIG validation network_for_ssh $TEMPEST_SSH_NETWORK_NAME
 
     # Volume
-    # Set the service catalog entry for Tempest to run on. Typically
-    # used to try different Volume API version targets. The tempest
-    # default it to 'volumev3'(v3 APIs endpoint) , so only set this
-    # if you want to change it.
-    if [[ -n "$TEMPEST_VOLUME_TYPE" ]]; then
-        iniset $TEMPEST_CONFIG volume catalog_type $TEMPEST_VOLUME_TYPE
-    fi
     # Only turn on TEMPEST_VOLUME_MANAGE_SNAPSHOT by default for "lvm" backends
     if [[ "$CINDER_ENABLED_BACKENDS" == *"lvm"* ]]; then
         TEMPEST_VOLUME_MANAGE_SNAPSHOT=${TEMPEST_VOLUME_MANAGE_SNAPSHOT:-True}
@@ -489,12 +482,6 @@
     iniset $TEMPEST_CONFIG volume-feature-enabled volume_revert $(trueorfalse False TEMPEST_VOLUME_REVERT_TO_SNAPSHOT)
     local tempest_volume_min_microversion=${TEMPEST_VOLUME_MIN_MICROVERSION:-None}
     local tempest_volume_max_microversion=${TEMPEST_VOLUME_MAX_MICROVERSION:-"latest"}
-    # Reset microversions to None where v2 is running which does not support microversion.
-    # Both "None" means no microversion testing.
-    if [[ "$TEMPEST_VOLUME_TYPE" == "volumev2" ]]; then
-        tempest_volume_min_microversion=None
-        tempest_volume_max_microversion=None
-    fi
     if [ "$tempest_volume_min_microversion" == "None" ]; then
         inicomment $TEMPEST_CONFIG volume min_microversion
     else
diff --git a/setup.cfg b/setup.cfg
index 146f010..a4e621f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,11 +1,11 @@
 [metadata]
 name = DevStack
 summary = OpenStack DevStack
-description-file =
+description_file =
     README.rst
 author = OpenStack
-author-email = openstack-discuss@lists.openstack.org
-home-page = https://docs.openstack.org/devstack/latest
+author_email = openstack-discuss@lists.openstack.org
+home_page = https://docs.openstack.org/devstack/latest
 classifier =
     Intended Audience :: Developers
     License :: OSI Approved :: Apache Software License
diff --git a/stack.sh b/stack.sh
index 163fc5b..6858ab8 100755
--- a/stack.sh
+++ b/stack.sh
@@ -227,7 +227,7 @@
 
 # Warn users who aren't on an explicitly supported distro, but allow them to
 # override check and attempt installation with ``FORCE=yes ./stack``
-SUPPORTED_DISTROS="bionic|focal|f31|f32|opensuse-15.2|opensuse-tumbleweed|rhel8"
+SUPPORTED_DISTROS="focal|f31|f32|opensuse-15.2|opensuse-tumbleweed|rhel8"
 
 if [[ ! ${DISTRO} =~ $SUPPORTED_DISTROS ]]; then
     echo "WARNING: this script has not been tested on $DISTRO"
diff --git a/stackrc b/stackrc
index 196f61f..0501659 100644
--- a/stackrc
+++ b/stackrc
@@ -72,8 +72,10 @@
     ENABLED_SERVICES+=,g-api
     # Cinder
     ENABLED_SERVICES+=,c-sch,c-api,c-vol
+    # OVN
+    ENABLED_SERVICES+=,ovn-controller,ovn-northd,ovs-vswitchd,ovsdb-server
     # Neutron
-    ENABLED_SERVICES+=,q-svc,q-dhcp,q-meta,q-agt,q-l3
+    ENABLED_SERVICES+=,q-svc,q-ovn-metadata-agent
     # Dashboard
     ENABLED_SERVICES+=,horizon
     # Additional services
diff --git a/tests/test_write_devstack_local_conf_role.sh b/tests/test_write_devstack_local_conf_role.sh
index b2bc0a2..71d8d51 100755
--- a/tests/test_write_devstack_local_conf_role.sh
+++ b/tests/test_write_devstack_local_conf_role.sh
@@ -6,4 +6,4 @@
 source $TOP/functions
 source $TOP/tests/unittest.sh
 
-python ./roles/write-devstack-local-conf/library/test.py
+${PYTHON} $TOP/roles/write-devstack-local-conf/library/test.py
diff --git a/tests/unittest.sh b/tests/unittest.sh
index 3703ece..fced2ab 100644
--- a/tests/unittest.sh
+++ b/tests/unittest.sh
@@ -17,6 +17,8 @@
 PASS=0
 FAILED_FUNCS=""
 
+export PYTHON=$(which python3 2>/dev/null)
+
 # pass a test, printing out MSG
 #  usage: passed message
 function passed {
diff --git a/tools/fixup_stuff.sh b/tools/fixup_stuff.sh
index 25f7268..1921943 100755
--- a/tools/fixup_stuff.sh
+++ b/tools/fixup_stuff.sh
@@ -59,43 +59,6 @@
     fi
 }
 
-# Ubuntu Repositories
-#--------------------
-# Enable universe for bionic since it is missing when installing from ISO.
-function fixup_ubuntu {
-    if [[ "$DISTRO" != "bionic" ]]; then
-        return
-    fi
-
-    # This pulls in apt-add-repository
-    install_package "software-properties-common"
-
-    # Enable universe
-    sudo add-apt-repository -y universe
-
-    if [[ -f /etc/ci/mirror_info.sh ]] ; then
-        # If we are on a nodepool provided host and it has told us about
-        # where we can find local mirrors then use that mirror.
-        source /etc/ci/mirror_info.sh
-        sudo apt-add-repository -y "deb $NODEPOOL_UCA_MIRROR bionic-updates/ussuri main"
-    else
-        # Enable UCA:ussuri for updated versions of QEMU and libvirt
-        sudo add-apt-repository -y cloud-archive:ussuri
-    fi
-    REPOS_UPDATED=False
-    apt_get_update
-
-    # Since pip10, pip will refuse to uninstall files from packages
-    # that were created with distutils (rather than more modern
-    # setuptools).  This is because it technically doesn't have a
-    # manifest of what to remove.  However, in most cases, simply
-    # overwriting works.  So this hacks around those packages that
-    # have been dragged in by some other system dependency
-    sudo rm -rf /usr/lib/python3/dist-packages/httplib2-*.egg-info
-    sudo rm -rf /usr/lib/python3/dist-packages/pyasn1_modules-*.egg-info
-    sudo rm -rf /usr/lib/python3/dist-packages/PyYAML-*.egg-info
-}
-
 # Python Packages
 # ---------------
 
@@ -194,7 +157,6 @@
 
 function fixup_all {
     fixup_keystone
-    fixup_ubuntu
     fixup_fedora
     fixup_suse
 }