convert strings to python3 f-Strings

vrtManager/instance.py

@@ -651,27 +651,27 @@ class wvmInstance(wvmConnect):
 
         additionals = ''
         if cache_mode is not None and cache_mode != 'default' and disk_device != 'cdrom':
-            additionals += "cache='%s' " % cache_mode
+            additionals += f"cache='{cache_mode}' " 
         if io_mode is not None and io_mode != 'default':
-            additionals += "io='%s' " % io_mode
+            additionals += f"io='{io_mode}' "
         if discard_mode is not None and discard_mode != 'default':
-            additionals += "discard='%s' " % discard_mode
+            additionals += f"discard='{discard_mode}' "
         if detect_zeroes_mode is not None and detect_zeroes_mode != 'default':
-            additionals += "detect_zeroes='%s' " % detect_zeroes_mode
+            additionals += f"detect_zeroes='{detect_zeroes_mode}' "
 
-        xml_disk = "<disk type='%s' device='%s'>" % (disk_type, disk_device)
+        xml_disk = f"<disk type='{disk_type}' device='{disk_device}'>"
         if disk_device == 'cdrom':
-            xml_disk += "<driver name='%s' type='%s'/>" % (driver_name, driver_type)
+            xml_disk += f"<driver name='{driver_name}' type='{driver_type}'/>"
         elif disk_device == 'disk':
-            xml_disk += "<driver name='%s' type='%s' %s/>" % (driver_name, driver_type, additionals)
-        xml_disk += """<source file='%s'/>
-          <target dev='%s' bus='%s'/>""" % (source, target_dev, target_bus)
+            xml_disk += f"<driver name='{driver_name}' type='{driver_type}' {additionals}/>"
+        xml_disk += f"""<source file='{source}'/>
+          <target dev='{target_dev}' bus='{target_bus}'/>"""
         if readonly or disk_device == 'cdrom':
             xml_disk += """<readonly/>"""
         if shareable:
             xml_disk += """<shareable/>"""
         if serial is not None and serial != 'None' and serial != '':
-            xml_disk += """<serial>%s</serial>""" % serial
+            xml_disk += f"""<serial>{serial}</serial>"""
         xml_disk += """</disk>"""
         if self.get_status() == 1:
             self.instance.attachDeviceFlags(xml_disk, VIR_DOMAIN_AFFECT_LIVE)
@@ -703,28 +703,28 @@ class wvmInstance(wvmConnect):
 
         additionals = ''
         if cache_mode is not None and cache_mode != 'default':
-            additionals += "cache='%s' " % cache_mode
+            additionals += f"cache='{cache_mode}' "
         if io_mode is not None and io_mode != 'default':
-            additionals += "io='%s' " % io_mode
+            additionals += f"io='{io_mode}' "
         if discard_mode is not None and discard_mode != 'default':
-            additionals += "discard='%s' " % discard_mode
+            additionals += f"discard='{discard_mode}' "
         if detect_zeroes_mode is not None and detect_zeroes_mode != 'default':
-            additionals += "detect_zeroes='%s' " % detect_zeroes_mode
+            additionals += f"detect_zeroes='{detect_zeroes_mode}' "
 
-        xml_disk = "<disk type='%s' device='%s'>" % (old_disk_type, old_disk_device)
+        xml_disk = f"<disk type='{old_disk_type}' device='{old_disk_device}'>"
         if old_disk_device == 'cdrom':
-            xml_disk += "<driver name='%s' type='%s'/>" % (old_driver_name, format)
+            xml_disk += f"<driver name='{old_driver_name}' type='{format}'/>"
         elif old_disk_device == 'disk':
-            xml_disk += "<driver name='%s' type='%s' %s/>" % (old_driver_name, format, additionals)
+            xml_disk += f"<driver name='{old_driver_name}' type='{format}' {additionals}/>"
 
-        xml_disk += """<source file='%s'/>
-          <target dev='%s' bus='%s'/>""" % (source, target_dev, target_bus)
+        xml_disk += f"""<source file='{source}'/>
+          <target dev='{target_dev}' bus='{target_bus}'/>"""
         if readonly:
             xml_disk += """<readonly/>"""
         if shareable:
             xml_disk += """<shareable/>"""
         if serial is not None and serial != 'None' and serial != '':
-            xml_disk += """<serial>%s</serial>""" % serial
+            xml_disk += f"""<serial>{serial}</serial>"""
         xml_disk += """</disk>"""
 
         self.instance.updateDeviceFlags(xml_disk, VIR_DOMAIN_AFFECT_CONFIG)
@@ -753,7 +753,7 @@ class wvmInstance(wvmConnect):
                 xml = """ <vcpus>"""
                 xml += """<vcpu id='0' enabled='yes' hotpluggable='no' order='1'/>"""
                 for i in range(1, vcpus_hotplug):
-                    xml += """<vcpu id='{}' enabled='yes' hotpluggable='yes' order='{}'/>""".format(i, i+1)
+                    xml += f"""<vcpu id='{i}' enabled='yes' hotpluggable='yes' order='{i+1}'/>"""
                 xml += """</vcpus>"""
 
                 tree = etree.fromstring(self._XMLDesc(0))
@@ -914,7 +914,7 @@ class wvmInstance(wvmConnect):
         xml = self._XMLDesc(VIR_DOMAIN_XML_SECURE)
         root = ElementTree.fromstring(xml)
         try:
-            graphic = root.find("devices/graphics[@type='%s']" % current_type)
+            graphic = root.find(f"devices/graphics[@type='{current_type}']")
         except SyntaxError:
             # Little fix for old version ElementTree
             graphic = root.find("devices/graphics")
@@ -942,7 +942,7 @@ class wvmInstance(wvmConnect):
         root = ElementTree.fromstring(xml)
         console_type = self.get_console_type()
         try:
-            graphic = root.find("devices/graphics[@type='%s']" % console_type)
+            graphic = root.find(f"devices/graphics[@type='{console_type}']")
         except SyntaxError:
             # Little fix for old version ElementTree
             graphic = root.find("devices/graphics")
@@ -1161,7 +1161,7 @@ class wvmInstance(wvmConnect):
                 stg_conn = self.get_wvmStorages()
                 stg_conn.create_storage('dir', nvram_pool_name, None, nvram_dir)
 
-            new_nvram_name = "%s_VARS" % clone_data['name']
+            new_nvram_name = f"{clone_data['name']}_VARS"
             nvram_stg = self.get_wvmStorage(nvram_pool_name)
             nvram_stg.clone_volume(src_nvram_name, new_nvram_name, file_suffix='fd')
 
@@ -1195,16 +1195,16 @@ class wvmInstance(wvmConnect):
                     if vol_format == 'qcow2' and meta_prealloc:
                         meta_prealloc = True
 
-                    vol_clone_xml = """
+                    vol_clone_xml = f"""
                                     <volume>
-                                        <name>%s</name>
+                                        <name>{target_file}</name>
                                         <capacity>0</capacity>
                                         <allocation>0</allocation>
                                         <target>
-                                            <format type='%s'/>
+                                            <format type='{vol_format}'/>
                                             <permissions>
-                                                <owner>%s</owner>
-                                                <group>%s</group>
+                                                <owner>{OWNER['uid']}</owner>
+                                                <group>{OWNER['guid']}</group>
                                                 <mode>0644</mode>
                                                 <label>virt_image_t</label>
                                             </permissions>
@@ -1213,7 +1213,7 @@ class wvmInstance(wvmConnect):
                                                 <lazy_refcounts/>
                                             </features>
                                         </target>
-                                    </volume>""" % (target_file, vol_format, OWNER['uid'], OWNER['guid'])
+                                    </volume>"""
 
                     stg = vol.storagePoolLookupByVolume()
                     stg.createXMLFrom(vol_clone_xml, vol, meta_prealloc)
@@ -1227,15 +1227,15 @@ class wvmInstance(wvmConnect):
                     vol = self.get_volume_by_path(source_name)
                     vol_format = util.get_xml_path(vol.XMLDesc(0), "/volume/target/format/@type")
 
-                    vol_clone_xml = """
+                    vol_clone_xml = f"""
                                     <volume type='network'>
-                                        <name>%s</name>
+                                        <name>{target_file}</name>
                                         <capacity>0</capacity>
                                         <allocation>0</allocation>
                                         <target>
-                                            <format type='%s'/>
+                                            <format type='{vol_format}'/>
                                         </target>
-                                    </volume>""" % (target_file, vol_format)
+                                    </volume>"""
                     stg = vol.storagePoolLookupByVolume()
                     stg.createXMLFrom(vol_clone_xml, vol, meta_prealloc)
 
@@ -1275,18 +1275,16 @@ class wvmInstance(wvmConnect):
         else:
             interface_type = 'bridge'
 
-        xml_iface = """
-          <interface type='%s'>
-          <mac address='%s'/>""" % (interface_type, mac_address)
+        xml_iface = f"""
+          <interface type='{interface_type}'>
+          <mac address='{mac_address}'/>"""
         if interface_type == 'network':
-            xml_iface += """<source network='%s'/>""" % source
+            xml_iface += f"""<source network='{source}'/>"""
         else:
-            xml_iface += """<source bridge='%s'/>""" % bridge_name
-        xml_iface += """<model type='%s'/>""" % model
+            xml_iface += f"""<source bridge='{bridge_name}'/>"""
+        xml_iface += f"""<model type='{model}'/>"""
         if nwfilter:
-            xml_iface += """
-            <filterref filter='%s'/>
-            """ % nwfilter
+            xml_iface += f"""<filterref filter='{nwfilter}'/>"""
         xml_iface += """</interface>"""
 
         if self.get_status() == 1:
@@ -1438,9 +1436,9 @@ class wvmInstance(wvmConnect):
 
     def set_qos(self, mac, direction, average, peak, burst):
         if direction == "inbound":
-            xml = "<inbound average='{}' peak='{}' burst='{}'/>".format(average, peak, burst)
+            xml = f"<inbound average='{average}' peak='{peak}' burst='{burst}'/>"
         elif direction == "outbound":
-            xml = "<outbound average='{}' peak='{}' burst='{}'/>".format(average, peak, burst)
+            xml = f"<outbound average='{average}' peak='{peak}' burst='{burst}'/>"
         else:
             raise Exception('Direction must be inbound or outbound')
 

vrtManager/interface.py

@@ -19,32 +19,32 @@ class wvmInterfaces(wvmConnect):
 
     def create_iface(self, name, itype, mode, netdev, ipv4_type, ipv4_addr, ipv4_gw,
                      ipv6_type, ipv6_addr, ipv6_gw, stp, delay):
-        xml = """<interface type='%s' name='%s'>
-                    <start mode='%s'/>""" % (itype, name, mode)
+        xml = f"""<interface type='{itype}' name='{name}'>
+                    <start mode='{mode}'/>"""
         if ipv4_type == 'dhcp':
             xml += """<protocol family='ipv4'>
                         <dhcp/>
                       </protocol>"""
         if ipv4_type == 'static':
             address, prefix = ipv4_addr.split('/')
-            xml += """<protocol family='ipv4'>
-                        <ip address='%s' prefix='%s'/>
-                        <route gateway='%s'/>
-                      </protocol>""" % (address, prefix, ipv4_gw)
+            xml += f"""<protocol family='ipv4'>
+                        <ip address='{address}' prefix='{prefix}'/>
+                        <route gateway='{ipv4_gw}'/>
+                      </protocol>"""
         if ipv6_type == 'dhcp':
             xml += """<protocol family='ipv6'>
                         <dhcp/>
                       </protocol>"""
         if ipv6_type == 'static':
             address, prefix = ipv6_addr.split('/')
-            xml += """<protocol family='ipv6'>
-                        <ip address='%s' prefix='%s'/>
-                        <route gateway='%s'/>
-                      </protocol>""" % (address, prefix, ipv6_gw)
+            xml += f"""<protocol family='ipv6'>
+                        <ip address='{address}' prefix='{prefix}'/>
+                        <route gateway='{ipv6_gw}'/>
+                      </protocol>"""
         if itype == 'bridge':
-            xml += """<bridge stp='%s' delay='%s'>
-                        <interface name='%s' type='ethernet'/>
-                      </bridge>""" % (stp, delay, netdev)
+            xml += f"""<bridge stp='{stp}' delay='{delay}'>
+                        <interface name='{netdev}' type='ethernet'/>
+                      </bridge>"""
         xml += """</interface>"""
         self.define_iface(xml)
         iface = self.get_iface(name)

vrtManager/network.py

@@ -45,37 +45,37 @@ class wvmNetworks(wvmConnect):
                        ipv4, gateway, mask, dhcp4,
                        ipv6, gateway6, prefix6, dhcp6,
                        bridge, openvswitch, fixed=False):
-        xml = """
+        xml = f"""
             <network>
-                <name>%s</name>""" % name
+                <name>{name}</name>"""
         if forward in ['nat', 'route', 'bridge']:
-            xml += """<forward mode='%s'/>""" % forward
+            xml += f"""<forward mode='{forward}'/>"""
         xml += """<bridge """
         if forward in ['nat', 'route', 'none']:
             xml += """stp='on' delay='0'"""
         if forward == 'bridge':
-            xml += """name='%s'""" % bridge
+            xml += f"""name='{bridge}'"""
         xml += """/>"""
         if openvswitch is True:
             xml += """<virtualport type='openvswitch'/>"""
         if forward != 'bridge':
             if ipv4:
-                xml += """<ip address='%s' netmask='%s'>""" % (gateway, mask)
+                xml += f"""<ip address='{gateway}' netmask='{mask}'>"""
                 if dhcp4:
-                    xml += """<dhcp>
-                                <range start='%s' end='%s' />""" % (dhcp4[0], dhcp4[1])
+                    xml += f"""<dhcp>
+                                <range start='{dhcp4[0]}' end='{dhcp4[1]}' />"""
                     if fixed:
                         fist_oct = int(dhcp4[0].strip().split('.')[3])
                         last_oct = int(dhcp4[1].strip().split('.')[3])
                         for ip in range(fist_oct, last_oct + 1):
-                            xml += """<host mac='%s' ip='%s.%s' />""" % (util.randomMAC(), gateway[:-2], ip)
+                            xml += f"""<host mac='{util.randomMAC()}' ip='{gateway[:-2]}.{ip}' />"""
                     xml += """</dhcp>"""
                 xml += """</ip>"""
             if ipv6:
-                xml += """<ip family='ipv6' address='%s' prefix='%s'>""" % (gateway6, prefix6)
+                xml += f"""<ip family='ipv6' address='{gateway6}' prefix='{prefix6}'>"""
                 if dhcp6:
-                    xml += """<dhcp>
-                                 <range start='%s' end='%s' />""" % (dhcp6[0], dhcp6[1])
+                    xml += f"""<dhcp>
+                                 <range start='{dhcp6[0]}' end='{dhcp6[1]}' />"""
                     xml += """</dhcp>"""
                 xml += """</ip>"""
         xml += """</network>"""
@@ -314,9 +314,9 @@ class wvmNetwork(wvmConnect):
 
     def set_qos(self, direction, average, peak, burst):
         if direction == "inbound":
-            xml = "<inbound average='{}' peak='{}' burst='{}'/>".format(average, peak, burst)
+            xml = f"<inbound average='{average}' peak='{peak}' burst='{burst}'/>"
         elif direction == "outbound":
-            xml = "<outbound average='{}' peak='{}' burst='{}'/>".format(average, peak, burst)
+            xml = f"<outbound average='{average}' peak='{peak}' burst='{burst}'/>"
         else:
             raise Exception('Direction must be inbound or outbound')
 
@@ -324,7 +324,7 @@ class wvmNetwork(wvmConnect):
 
         band = tree.xpath("/network/bandwidth")
         if len(band) == 0:
-            xml = "<bandwidth>" + xml + "</bandwidth>"
+            xml = f"<bandwidth>{xml}</bandwidth>"
             tree.append(etree.fromstring(xml))
         else:
             direct = band[0].find(direction)
@@ -339,7 +339,7 @@ class wvmNetwork(wvmConnect):
 
     def unset_qos(self, direction):
         tree = etree.fromstring(self._XMLDesc(0))
-        for direct in tree.xpath("/network/bandwidth/{}".format(direction)):
+        for direct in tree.xpath(f"/network/bandwidth/{direction}"):
             parent = direct.getparent()
             parent.remove(direct)
 
@@ -353,7 +353,7 @@ class wvmNetwork(wvmConnect):
             self.leases = self.net.DHCPLeases()
         except Exception as e:
             self.leases = []
-            raise "Error getting %s DHCP leases: %s" % (self, e)
+            raise f"Error getting {self} DHCP leases: {e}"
 
     def get_dhcp_leases(self):
         if self.leases is None:

vrtManager/secrets.py

@@ -4,14 +4,14 @@ from vrtManager.connection import wvmConnect
 
 class wvmSecrets(wvmConnect):
     def create_secret(self, ephemeral, private, secret_type, data):
-        xml = """<secret ephemeral='%s' private='%s'>
-                    <usage type='%s'>""" % (ephemeral, private, secret_type)
+        xml = f"""<secret ephemeral='{ephemeral}' private='{private}'>
+                    <usage type='{secret_type}'>"""
         if secret_type == 'ceph':
-            xml += """<name>%s</name>""" % data
+            xml += f"""<name>{data}</name>"""
         if secret_type == 'volume':
-            xml += """<volume>%s</volume>""" % data
+            xml += f"""<volume>{data}</volume>"""
         if secret_type == 'iscsi':
-            xml += """<target>%s</target>""" % data
+            xml += f"""<target>{data}</target>""" 
         xml += """</usage>
                  </secret>"""
         self.wvm.secretDefineXML(xml)

vrtManager/storage.py

@@ -25,23 +25,21 @@ class wvmStorages(wvmConnect):
         self.wvm.storagePoolDefineXML(xml, flag)
 
     def create_storage(self, stg_type, name, source, target):
-        xml = """
-                <pool type='%s'>
-                <name>%s</name>""" % (stg_type, name)
+        xml = f"""<pool type='{stg_type}'>
+                 <name>{name}</name>"""
         if stg_type == 'logical':
-            xml += """
-                  <source>
-                    <device path='%s'/>
-                    <name>%s</name>
-                    <format type='lvm2'/>
-                  </source>""" % (source, name)
+            xml += f"""<source>
+                            <device path='{source}'/>
+                            <name>{name}</name>
+                            <format type='lvm2'/>
+                        </source>"""
         if stg_type == 'logical':
             target = '/dev/' + name
-        xml += """
+        xml += f"""
                   <target>
-                       <path>%s</path>
+                       <path>{target}</path>
                   </target>
-                </pool>""" % target
+                </pool>"""
         self.define_storage(xml, 0)
         stg = self.get_storage(name)
         if stg_type == 'logical':
@@ -52,35 +50,37 @@ class wvmStorages(wvmConnect):
         return stg
 
     def create_storage_ceph(self, stg_type, name, ceph_pool, ceph_host, ceph_user, secret):
-        xml = """
-                <pool type='%s'>
-                <name>%s</name>
+        xml = f"""
+                <pool type='{stg_type}'>
+                <name>{name}</name>
                 <source>
-                    <name>%s</name>
-                    <host name='%s' port='6789'/>
-                    <auth username='%s' type='ceph'>
-                        <secret uuid='%s'/>
+                    <name>{ceph_pool}</name>
+                    <host name='{ceph_host}' port='6789'/>
+                    <auth username='{ceph_user}' type='ceph'>
+                        <secret uuid='{secret}'/>
                     </auth>
                 </source>
-                </pool>""" % (stg_type, name, ceph_pool, ceph_host, ceph_user, secret)
+                </pool>
+                """
         self.define_storage(xml, 0)
         stg = self.get_storage(name)
         stg.create(0)
         stg.setAutostart(1)
 
     def create_storage_netfs(self, stg_type, name, netfs_host, source, source_format, target):
-        xml = """
-                <pool type='%s'>
-                <name>%s</name>
+        xml = f"""
+                <pool type='{stg_type}'>
+                <name>{name}</name>
                 <source>
-                    <host name='%s'/>
-                    <dir path='%s'/>
-                    <format type='%s'/>
+                    <host name='{netfs_host}'/>
+                    <dir path='{source}'/>
+                    <format type='{source_format}'/>
                 </source>
                 <target>
-                    <path>%s</path>
+                    <path>{target}</path>
                 </target>
-                </pool>""" % (stg_type, name, netfs_host, source, source_format, target)
+                </pool>
+                """
         self.define_storage(xml, 0)
         stg = self.get_storage(name)
         stg.create(0)
@@ -222,27 +222,26 @@ class wvmStorage(wvmConnect):
             else:
                 name += '.img'
             alloc = 0
-        xml = """
+        xml = f"""
             <volume>
-                <name>%s</name>
-                <capacity>%s</capacity>
-                <allocation>%s</allocation>
+                <name>{name}</name>
+                <capacity>{size}</capacity>
+                <allocation>{alloc}</allocation>
                 <target>
-                    <format type='%s'/>
+                    <format type='{vol_fmt}'/>
                      <permissions>
-                        <owner>%s</owner>
-                        <group>%s</group>
+                        <owner>{owner['uid']}</owner>
+                        <group>{owner['guid']}</group>
                         <mode>0644</mode>
                         <label>virt_image_t</label>
-                    </permissions>""" % (name, size, alloc, vol_fmt, owner['uid'], owner['guid'])
+                    </permissions>"""
         if vol_fmt == 'qcow2':
             xml += """
                       <compat>1.1</compat>
                       <features>
                          <lazy_refcounts/>
                       </features>"""
-        xml += """
-                  </target>
+        xml += """</target>
                 </volume>"""
         self._createXML(xml, metadata)
         return name
@@ -260,19 +259,19 @@ class wvmStorage(wvmConnect):
                 suffix = '.' + file_suffix
                 target_file += suffix if len(suffix) > 1 else ''
 
-        xml = """
+        xml = f"""
             <volume>
-                <name>%s</name>
+                <name>{target_file}</name>
                 <capacity>0</capacity>
                 <allocation>0</allocation>
                 <target>
-                    <format type='%s'/>
+                    <format type='{vol_fmt}'/>
                     <permissions>
-                        <owner>%s</owner>
-                        <group>%s</group>
-                        <mode>%s</mode>
+                        <owner>{owner['uid']}</owner>
+                        <group>{owner['guid']}</group>
+                        <mode>{mode}</mode>
                         <label>virt_image_t</label>
-                    </permissions>""" % (target_file, vol_fmt, owner['uid'], owner['guid'], mode)
+                    </permissions>"""
         if vol_fmt == 'qcow2':
             xml += """
                     <compat>1.1</compat>