diff --git a/playbooks/legacy/ironic-lib-tempest-partition-agent_ipmitool/run.yaml b/playbooks/legacy/ironic-lib-tempest-partition-agent_ipmitool/run.yaml
index 92bedc43..2062e684 100644
--- a/playbooks/legacy/ironic-lib-tempest-partition-agent_ipmitool/run.yaml
+++ b/playbooks/legacy/ironic-lib-tempest-partition-agent_ipmitool/run.yaml
@@ -27,24 +27,8 @@
     - shell:
         cmd: |
           cat << 'EOF' >> ironic-extra-vars
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_DEPLOY_DRIVER_ISCSI_WITH_IPA=True"
-          # Standardize VM size for each supported ramdisk
-          case "tinyipa" in
-              'tinyipa')
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=384"
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_RAMDISK_TYPE=tinyipa"
-                  ;;
-              'tinyipa256')
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=256"
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_RAMDISK_TYPE=tinyipa"
-                  ;;
-              'coreos')
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=1280"
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_RAMDISK_TYPE=coreos"
-                  ;;
-          # if using a ramdisk without a known good value, use the devstack
-          # default by not exporting any value for IRONIC_VM_SPECS_RAM
-          esac
+            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=384"
+            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_RAMDISK_TYPE=tinyipa"
           EOF
         chdir: '{{ ansible_user_dir }}/workspace'
       environment: '{{ zuul | zuul_legacy_vars }}'
@@ -92,7 +76,12 @@
           export DEVSTACK_GATE_NEUTRON=1
           export DEVSTACK_GATE_VIRT_DRIVER=ironic
           export DEVSTACK_GATE_CONFIGDRIVE=1
-          export DEVSTACK_GATE_IRONIC_DRIVER=agent_ipmitool
+          export DEVSTACK_GATE_IRONIC_DRIVER=ipmi
+          export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_DEFAULT_DEPLOY_INTERFACE=direct"
+          # direct deploy requires Swift temporary URLs
+          export DEVSTACK_LOCAL_CONFIG+=$'\n'"SWIFT_ENABLE_TEMPURLS=True"
+          export DEVSTACK_LOCAL_CONFIG+=$'\n'"SWIFT_TEMPURL_KEY=secretkey"
+
           export BRANCH_OVERRIDE=default
           if [ "$BRANCH_OVERRIDE" != "default" ] ; then
               export OVERRIDE_ZUUL_BRANCH=$BRANCH_OVERRIDE
@@ -100,34 +89,11 @@
           if [[ ! "stable/newton stable/ocata stable/pike" =~ $ZUUL_BRANCH ]] ; then
               export DEVSTACK_GATE_TLSPROXY=1
           fi
-          if [ "agent_ipmitool" == "pxe_snmp" ] ; then
-              # explicitly enable pxe_snmp driver
-              export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_ENABLED_DRIVERS=fake,pxe_snmp"
-          fi
-          if [ "agent_ipmitool" == "redfish" ] ; then
-              # When deploying with redfish we need to enable the "redfish"
-              # hardware type
-              export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_ENABLED_HARDWARE_TYPES=redfish"
-          fi
-          if [ "partition" == "wholedisk" ] ; then
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_TEMPEST_WHOLE_DISK_IMAGE=True"
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_EPHEMERAL_DISK=0"
-          else
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_TEMPEST_WHOLE_DISK_IMAGE=False"
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_EPHEMERAL_DISK=1"
-          fi
-          if [ -n "yes" ] ; then
-            export DEVSTACK_GATE_IRONIC_BUILD_RAMDISK=1
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_INSPECTOR_BUILD_RAMDISK=True"
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"USE_SUBNETPOOL=False"
-          else
-            export DEVSTACK_GATE_IRONIC_BUILD_RAMDISK=0
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_INSPECTOR_BUILD_RAMDISK=False"
-          fi
-          if [ "bios" == "uefi" ] ; then
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_BOOT_MODE=uefi"
-          fi
-          export DEVSTACK_PROJECT_FROM_GIT=""
+          export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_TEMPEST_WHOLE_DISK_IMAGE=False"
+          export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_EPHEMERAL_DISK=1"
+          export DEVSTACK_GATE_IRONIC_BUILD_RAMDISK=1
+          export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_INSPECTOR_BUILD_RAMDISK=True"
+          export DEVSTACK_LOCAL_CONFIG+=$'\n'"USE_SUBNETPOOL=False"
           export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_COUNT=1"
           # Ensure the ironic-vars-EARLY file exists
           touch ironic-vars-early
diff --git a/playbooks/legacy/ironic-lib-tempest-partition-pxe_ipmitool/run.yaml b/playbooks/legacy/ironic-lib-tempest-partition-pxe_ipmitool/run.yaml
index f0c65b11..f0af8322 100644
--- a/playbooks/legacy/ironic-lib-tempest-partition-pxe_ipmitool/run.yaml
+++ b/playbooks/legacy/ironic-lib-tempest-partition-pxe_ipmitool/run.yaml
@@ -27,24 +27,8 @@
     - shell:
         cmd: |
           cat << 'EOF' >> ironic-extra-vars
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_DEPLOY_DRIVER_ISCSI_WITH_IPA=True"
-          # Standardize VM size for each supported ramdisk
-          case "tinyipa" in
-              'tinyipa')
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=384"
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_RAMDISK_TYPE=tinyipa"
-                  ;;
-              'tinyipa256')
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=256"
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_RAMDISK_TYPE=tinyipa"
-                  ;;
-              'coreos')
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=1280"
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_RAMDISK_TYPE=coreos"
-                  ;;
-          # if using a ramdisk without a known good value, use the devstack
-          # default by not exporting any value for IRONIC_VM_SPECS_RAM
-          esac
+            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=384"
+            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_RAMDISK_TYPE=tinyipa"
           EOF
         chdir: '{{ ansible_user_dir }}/workspace'
       environment: '{{ zuul | zuul_legacy_vars }}'
@@ -92,7 +76,7 @@
           export DEVSTACK_GATE_NEUTRON=1
           export DEVSTACK_GATE_VIRT_DRIVER=ironic
           export DEVSTACK_GATE_CONFIGDRIVE=1
-          export DEVSTACK_GATE_IRONIC_DRIVER=pxe_ipmitool
+          export DEVSTACK_GATE_IRONIC_DRIVER=ipmi
           export BRANCH_OVERRIDE=default
           if [ "$BRANCH_OVERRIDE" != "default" ] ; then
               export OVERRIDE_ZUUL_BRANCH=$BRANCH_OVERRIDE
@@ -100,34 +84,11 @@
           if [[ ! "stable/newton stable/ocata stable/pike" =~ $ZUUL_BRANCH ]] ; then
               export DEVSTACK_GATE_TLSPROXY=1
           fi
-          if [ "pxe_ipmitool" == "pxe_snmp" ] ; then
-              # explicitly enable pxe_snmp driver
-              export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_ENABLED_DRIVERS=fake,pxe_snmp"
-          fi
-          if [ "pxe_ipmitool" == "redfish" ] ; then
-              # When deploying with redfish we need to enable the "redfish"
-              # hardware type
-              export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_ENABLED_HARDWARE_TYPES=redfish"
-          fi
-          if [ "partition" == "wholedisk" ] ; then
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_TEMPEST_WHOLE_DISK_IMAGE=True"
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_EPHEMERAL_DISK=0"
-          else
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_TEMPEST_WHOLE_DISK_IMAGE=False"
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_EPHEMERAL_DISK=1"
-          fi
-          if [ -n "yes" ] ; then
-            export DEVSTACK_GATE_IRONIC_BUILD_RAMDISK=1
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_INSPECTOR_BUILD_RAMDISK=True"
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"USE_SUBNETPOOL=False"
-          else
-            export DEVSTACK_GATE_IRONIC_BUILD_RAMDISK=0
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_INSPECTOR_BUILD_RAMDISK=False"
-          fi
-          if [ "bios" == "uefi" ] ; then
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_BOOT_MODE=uefi"
-          fi
-          export DEVSTACK_PROJECT_FROM_GIT=""
+          export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_TEMPEST_WHOLE_DISK_IMAGE=False"
+          export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_EPHEMERAL_DISK=1"
+          export DEVSTACK_GATE_IRONIC_BUILD_RAMDISK=1
+          export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_INSPECTOR_BUILD_RAMDISK=True"
+          export DEVSTACK_LOCAL_CONFIG+=$'\n'"USE_SUBNETPOOL=False"
           export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_COUNT=1"
           # Ensure the ironic-vars-EARLY file exists
           touch ironic-vars-early
diff --git a/playbooks/legacy/ironic-lib-tempest-wholedisk-agent_ipmitool/run.yaml b/playbooks/legacy/ironic-lib-tempest-wholedisk-agent_ipmitool/run.yaml
index 48b244ac..d393a23d 100644
--- a/playbooks/legacy/ironic-lib-tempest-wholedisk-agent_ipmitool/run.yaml
+++ b/playbooks/legacy/ironic-lib-tempest-wholedisk-agent_ipmitool/run.yaml
@@ -27,24 +27,8 @@
     - shell:
         cmd: |
           cat << 'EOF' >> ironic-extra-vars
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_DEPLOY_DRIVER_ISCSI_WITH_IPA=True"
-          # Standardize VM size for each supported ramdisk
-          case "tinyipa" in
-              'tinyipa')
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=384"
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_RAMDISK_TYPE=tinyipa"
-                  ;;
-              'tinyipa256')
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=256"
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_RAMDISK_TYPE=tinyipa"
-                  ;;
-              'coreos')
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=1280"
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_RAMDISK_TYPE=coreos"
-                  ;;
-          # if using a ramdisk without a known good value, use the devstack
-          # default by not exporting any value for IRONIC_VM_SPECS_RAM
-          esac
+            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=384"
+            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_RAMDISK_TYPE=tinyipa"
           EOF
         chdir: '{{ ansible_user_dir }}/workspace'
       environment: '{{ zuul | zuul_legacy_vars }}'
@@ -92,7 +76,12 @@
           export DEVSTACK_GATE_NEUTRON=1
           export DEVSTACK_GATE_VIRT_DRIVER=ironic
           export DEVSTACK_GATE_CONFIGDRIVE=1
-          export DEVSTACK_GATE_IRONIC_DRIVER=agent_ipmitool
+          export DEVSTACK_GATE_IRONIC_DRIVER=ipmi
+          export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_DEFAULT_DEPLOY_INTERFACE=direct"
+          # direct deploy requires Swift temporary URLs
+          export DEVSTACK_LOCAL_CONFIG+=$'\n'"SWIFT_ENABLE_TEMPURLS=True"
+          export DEVSTACK_LOCAL_CONFIG+=$'\n'"SWIFT_TEMPURL_KEY=secretkey"
+
           export BRANCH_OVERRIDE=default
           if [ "$BRANCH_OVERRIDE" != "default" ] ; then
               export OVERRIDE_ZUUL_BRANCH=$BRANCH_OVERRIDE
@@ -100,34 +89,11 @@
           if [[ ! "stable/newton stable/ocata stable/pike" =~ $ZUUL_BRANCH ]] ; then
               export DEVSTACK_GATE_TLSPROXY=1
           fi
-          if [ "agent_ipmitool" == "pxe_snmp" ] ; then
-              # explicitly enable pxe_snmp driver
-              export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_ENABLED_DRIVERS=fake,pxe_snmp"
-          fi
-          if [ "agent_ipmitool" == "redfish" ] ; then
-              # When deploying with redfish we need to enable the "redfish"
-              # hardware type
-              export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_ENABLED_HARDWARE_TYPES=redfish"
-          fi
-          if [ "wholedisk" == "wholedisk" ] ; then
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_TEMPEST_WHOLE_DISK_IMAGE=True"
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_EPHEMERAL_DISK=0"
-          else
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_TEMPEST_WHOLE_DISK_IMAGE=False"
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_EPHEMERAL_DISK=1"
-          fi
-          if [ -n "yes" ] ; then
-            export DEVSTACK_GATE_IRONIC_BUILD_RAMDISK=1
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_INSPECTOR_BUILD_RAMDISK=True"
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"USE_SUBNETPOOL=False"
-          else
-            export DEVSTACK_GATE_IRONIC_BUILD_RAMDISK=0
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_INSPECTOR_BUILD_RAMDISK=False"
-          fi
-          if [ "bios" == "uefi" ] ; then
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_BOOT_MODE=uefi"
-          fi
-          export DEVSTACK_PROJECT_FROM_GIT=""
+          export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_TEMPEST_WHOLE_DISK_IMAGE=True"
+          export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_EPHEMERAL_DISK=0"
+          export DEVSTACK_GATE_IRONIC_BUILD_RAMDISK=1
+          export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_INSPECTOR_BUILD_RAMDISK=True"
+          export DEVSTACK_LOCAL_CONFIG+=$'\n'"USE_SUBNETPOOL=False"
           export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_COUNT=1"
           # Ensure the ironic-vars-EARLY file exists
           touch ironic-vars-early
diff --git a/playbooks/legacy/ironic-lib-tempest-wholedisk-pxe_ipmitool/run.yaml b/playbooks/legacy/ironic-lib-tempest-wholedisk-pxe_ipmitool/run.yaml
index d0ba2e4e..bf2665fc 100644
--- a/playbooks/legacy/ironic-lib-tempest-wholedisk-pxe_ipmitool/run.yaml
+++ b/playbooks/legacy/ironic-lib-tempest-wholedisk-pxe_ipmitool/run.yaml
@@ -27,24 +27,8 @@
     - shell:
         cmd: |
           cat << 'EOF' >> ironic-extra-vars
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_DEPLOY_DRIVER_ISCSI_WITH_IPA=True"
-          # Standardize VM size for each supported ramdisk
-          case "tinyipa" in
-              'tinyipa')
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=384"
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_RAMDISK_TYPE=tinyipa"
-                  ;;
-              'tinyipa256')
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=256"
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_RAMDISK_TYPE=tinyipa"
-                  ;;
-              'coreos')
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=1280"
-                  export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_RAMDISK_TYPE=coreos"
-                  ;;
-          # if using a ramdisk without a known good value, use the devstack
-          # default by not exporting any value for IRONIC_VM_SPECS_RAM
-          esac
+            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_SPECS_RAM=384"
+            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_RAMDISK_TYPE=tinyipa"
           EOF
         chdir: '{{ ansible_user_dir }}/workspace'
       environment: '{{ zuul | zuul_legacy_vars }}'
@@ -92,7 +76,7 @@
           export DEVSTACK_GATE_NEUTRON=1
           export DEVSTACK_GATE_VIRT_DRIVER=ironic
           export DEVSTACK_GATE_CONFIGDRIVE=1
-          export DEVSTACK_GATE_IRONIC_DRIVER=pxe_ipmitool
+          export DEVSTACK_GATE_IRONIC_DRIVER=ipmi
           export BRANCH_OVERRIDE=default
           if [ "$BRANCH_OVERRIDE" != "default" ] ; then
               export OVERRIDE_ZUUL_BRANCH=$BRANCH_OVERRIDE
@@ -100,34 +84,11 @@
           if [[ ! "stable/newton stable/ocata stable/pike" =~ $ZUUL_BRANCH ]] ; then
               export DEVSTACK_GATE_TLSPROXY=1
           fi
-          if [ "pxe_ipmitool" == "pxe_snmp" ] ; then
-              # explicitly enable pxe_snmp driver
-              export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_ENABLED_DRIVERS=fake,pxe_snmp"
-          fi
-          if [ "pxe_ipmitool" == "redfish" ] ; then
-              # When deploying with redfish we need to enable the "redfish"
-              # hardware type
-              export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_ENABLED_HARDWARE_TYPES=redfish"
-          fi
-          if [ "wholedisk" == "wholedisk" ] ; then
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_TEMPEST_WHOLE_DISK_IMAGE=True"
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_EPHEMERAL_DISK=0"
-          else
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_TEMPEST_WHOLE_DISK_IMAGE=False"
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_EPHEMERAL_DISK=1"
-          fi
-          if [ -n "yes" ] ; then
-            export DEVSTACK_GATE_IRONIC_BUILD_RAMDISK=1
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_INSPECTOR_BUILD_RAMDISK=True"
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"USE_SUBNETPOOL=False"
-          else
-            export DEVSTACK_GATE_IRONIC_BUILD_RAMDISK=0
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_INSPECTOR_BUILD_RAMDISK=False"
-          fi
-          if [ "bios" == "uefi" ] ; then
-            export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_BOOT_MODE=uefi"
-          fi
-          export DEVSTACK_PROJECT_FROM_GIT=""
+          export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_TEMPEST_WHOLE_DISK_IMAGE=True"
+          export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_EPHEMERAL_DISK=0"
+          export DEVSTACK_GATE_IRONIC_BUILD_RAMDISK=1
+          export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_INSPECTOR_BUILD_RAMDISK=True"
+          export DEVSTACK_LOCAL_CONFIG+=$'\n'"USE_SUBNETPOOL=False"
           export DEVSTACK_LOCAL_CONFIG+=$'\n'"IRONIC_VM_COUNT=1"
           # Ensure the ironic-vars-EARLY file exists
           touch ironic-vars-early