Update dependency list for openSUSE 15.x

In openSUSE 15.x genisoimage was replaced by mkisofs. Although
some projects have added autodetection, nova needs to be explicitly
told.

Also remove deprecated qemu-kvm (wrapper around qemu-system-x86_64).

Change-Id: If0cbd60790935141d52465abe61b40058f1829b1

templates/nova.conf.j2

@@ -20,6 +20,10 @@ instances_path = {{ nova_system_home_folder }}/instances
 allow_resize_to_same_host = True
 image_cache_manager_interval = {{ nova_image_cache_manager_interval }}
 
+{% if ansible_os_family | lower == 'suse' %}
+mkisofs_cmd = /usr/bin/mkisofs
+{% endif %}
+
 {% if nova_console_user_ssl_cert is defined and nova_console_user_ssl_key is defined and ( nova_services['nova-novncproxy']['group'] in group_names or nova_services['nova-spicehtml5proxy']['group'] in group_names or nova_services['nova-serialconsole-proxy']['group'] in group_names ) %}
 # Console SSL keys
 ssl_only = true

vars/suse.yml

@@ -48,7 +48,7 @@ nova_service_extra_distro_packages:
 
 nova_compute_packages:
   - dosfstools
-  - genisoimage
+  - mkisofs
   - kpartx
   - python3-libguestfs
   - sysfsutils
@@ -60,7 +60,7 @@ nova_compute_kvm_distro_packages:
   - bridge-utils
   - device-mapper
   - dosfstools
-  - genisoimage
+  - mkisofs
   - open-iscsi
   - kpartx
   - libvirt-daemon-config-nwfilter
@@ -74,10 +74,10 @@ nova_compute_kvm_distro_packages:
   - libvirt-daemon-driver-storage-rbd
   - libvirt-daemon-driver-storage-scsi
   - netcat-openbsd
-  - qemu-kvm
   - qemu-block-iscsi
   - qemu-block-rbd
   - qemu-block-ssh
+  - qemu-kvm
   - qemu-ovmf-x86_64
   - python2-libvirt-python
   - python3-libvirt-python