def create(self, host_name, host_uuid, host_mem, host_cpu, host_family, host_type, host_storage_layout, host_network_layout, host_extra_opts=None): """Create a VM Host; return a VM Host search result.""" host_name = common.validate_hostname(host_name) host_uuid = common.validate_uuid(host_uuid) host_mem = common.validate_mem(host_mem) host_cpu = common.validate_cpu(host_cpu) host_family = common.validate_host_family(host_family) # Verifies that the interfaces referenced in the storage layout # exist in the configuration file host_storage_layout = self._validate_storage_layout( host_storage_layout) # and for network layouts. host_network_layout = self._validate_network_layout( host_network_layout) host_type = common.validate_host_type(host_type) host_extra_opts = common.is_shell_safe(host_extra_opts) filter = '%s=%s' % (self.host_key, host_name) dn = '%s=%s,%s' % (self.host_key, host_name, self.host_container_dn) dn_attr = { 'objectClass': ['top', self.host_class], self.host_key: [host_name], self.host_cpu_attr: [str(host_cpu)], self.host_mem_attr: [str(host_mem)], self.host_family_attr: [host_family], self.host_name_attr: [host_name], self.host_network_layout_attr: [host_network_layout], self.host_storage_layout_attr: [host_storage_layout], self.host_type_attr: [host_type], self.host_uuid_attr: [host_uuid], } if host_extra_opts is not None: dn_attr[self.host_extra_opts_attr] = [host_extra_opts] dn_info = [(k, v) for (k, v) in dn_attr.items()] msg = 'Creating %s with attributes %s' % (dn, dn_info) self.log.debug(msg) result = self._create_object(dn, dn_info) self.log.debug('Result: %s' % result) return result
def create(self, host_name, host_uuid, host_mem, host_cpu, host_family, host_type, host_storage_layout, host_network_layout, host_extra_opts=None): """Create a VM Host; return a VM Host search result.""" host_name = common.validate_hostname(host_name) host_uuid = common.validate_uuid(host_uuid) host_mem = common.validate_mem(host_mem) host_cpu = common.validate_cpu(host_cpu) host_family = common.validate_host_family(host_family) # Verifies that the interfaces referenced in the storage layout # exist in the configuration file host_storage_layout = self._validate_storage_layout(host_storage_layout) # and for network layouts. host_network_layout = self._validate_network_layout(host_network_layout) host_type = common.validate_host_type(host_type) host_extra_opts = common.is_shell_safe(host_extra_opts) filter = '%s=%s' % (self.host_key, host_name) dn = '%s=%s,%s' % (self.host_key, host_name, self.host_container_dn) dn_attr = {'objectClass': ['top', self.host_class], self.host_key: [host_name], self.host_cpu_attr: [str(host_cpu)], self.host_mem_attr: [str(host_mem)], self.host_family_attr: [host_family], self.host_name_attr: [host_name], self.host_network_layout_attr: [host_network_layout], self.host_storage_layout_attr: [host_storage_layout], self.host_type_attr: [host_type], self.host_uuid_attr: [host_uuid], } if host_extra_opts is not None: dn_attr[self.host_extra_opts_attr] = [host_extra_opts] dn_info = [(k, v) for (k, v) in dn_attr.items()] msg = 'Creating %s with attributes %s' % (dn, dn_info) self.log.debug(msg) result = self._create_object(dn, dn_info) self.log.debug('Result: %s' % result) return result
def create(self, vm_name, vm_uuid, vm_mem, vm_cpu, vm_family, vm_storage_layout, vm_network_layout, vm_install=False, vm_disks=None, vm_interfaces=None): """Define a new VM and add to hypervisor's store (does not start).""" try: vm_name = common.validate_hostname(vm_name) vm_cpu = common.validate_cpu(vm_cpu) vm_mem = common.validate_mem(vm_mem) #vm_type = common.validate_host_type(vm_type) vm_family = common.validate_host_family(vm_family) #vm_extra_opts = common.is_shell_safe(vm_extra_opts) vm_uuid = common.validate_uuid(vm_uuid) except error.InputError as e: self.log.error(e) raise e try: self.conn.lookupByName(vm_name) except libvirt.libvirtError: pass else: msg = "Domain %s already exists, cannot create." % vm_name raise error.AlreadyExists(msg) # Create a UUID in hypervisor format formatted_uuid = self._format_uuid(vm_uuid) #-1 means XEN will give the right XenID when it starts vm_id=-1 #Initial xml structure doc = xml.createDoc("doc") domain = xml.createElement(doc, "domain", {"type": vm_family}) #Variable config options #xml.createChild(doc, domain, "arch name", None, 'i686') xml.createChild(doc, domain, "name", None, vm_name) xml.createChild(doc, domain, "memory", None, vm_mem) xml.createChild(doc, domain, "currentMemory", None, vm_mem) xml.createChild(doc, domain, "vcpu", None, vm_cpu) xml.createChild(doc, domain, "uuid", None, formatted_uuid) #fixed(ish) config options os = xml.createChild(doc, domain, "os", None, None) #ks - the below is going to have to change for 64bit xml.createChild(doc, os, "type", {"arch": "i686"}, "hvm") xml.createChild(doc, domain, "clock", {"offset": "utc"}, None) xml.createChild(doc, domain, "on_poweroff", None, "destroy") xml.createChild(doc, domain, "on_reboot", None, "restart") xml.createChild(doc, domain, "on_crash", None, "restart") devices = xml.createChild(doc, domain, "devices", None, None) console = xml.createChild(doc, devices, "console", {"type": "pty"}, None) xml.createChild(doc, console, "target", {"type": "xen", "port": "0"}, None) #ks #xml.createChild(doc, devices, "input", {"type": "mouse", "bus": "xen"}, None) # TODO Change the port such that it is associated with the UUID and change listen to internal interface only xml.createChild(doc, devices, "graphics", {"type": "vnc", "port": "-1", "autoport": "yes", "listen": "0.0.0.0"}, None) xml.createChild(doc, devices, "emulator", None, "/usr/lib/xen/bin/qemu-dm") # #parse disk info # for item in vm_disks: # #local1 means hda and vg01 # if item[0] == "local1": # disk = xml.createChild(doc, devices, "disk", {"type": "block", "device": "disk"}, None) # xml.createChild(doc, disk, "driver", {"name": "phy"}, None) # xml.createChild(doc, disk, "source", {"dev": "/dev/vg01/%s" % vm_name}, None) # xml.createChild(doc, disk, "target", {"dev": "hda", "bus": "ide"}, None) # #local2 means hdb and vg02 # if item[0] == "local2": # disk = xml.createChild(doc, devices, "disk", {"type": "block", "device": "disk"}, None) # xml.createChild(doc, disk, "driver", {"name": "phy"}, None) # xml.createChild(doc, disk, "source", {"dev": "/dev/vg01/ko-test-02"}, None) # xml.createChild(doc, disk, "target", {"dev": "hdb", "bus": "ide"}, None) if vm_disks is not None: for item in vm_disks: if item[0] == "local1": disk = xml.createChild(doc, devices, "disk", {"type": "block", "device": "disk"}, None) xml.createChild(doc, disk, "driver", {"name": "phy"}, None) xml.createChild(doc, disk, "source", {"dev": "/dev/vg01/%s" % vm_name}, None) xml.createChild(doc, disk, "target", {"dev": "hda", "bus": "ide"}, None) #local2 means hdb and vg02 if item[0] == "local2": disk = xml.createChild(doc, devices, "disk", {"type": "block", "device": "disk"}, None) xml.createChild(doc, disk, "driver", {"name": "phy"}, None) xml.createChild(doc, disk, "source", {"dev": "/dev/vg02/%s" % vm_name}, None) xml.createChild(doc, disk, "target", {"dev": "hdb", "bus": "ide"}, None) elif vm_storage_layout is not None: try: disks = self.dtypes[vm_storage_layout] except KeyError as e: msg = "The disk type %s is not present in config file." % e raise error.InputError, msg for item in disks: item = common.validate_disks_in_conf(self.dnames[item]) hv_dev = item[0] + "/" + vm_name dom_dev = item[1] disk = xml.createChild(doc, devices, "disk", {"type": "block", "device": "disk"}, None) xml.createChild(doc, disk, "driver", {"name": "phy"}, None) xml.createChild(doc, disk, "source", {"dev": hv_dev}, None) xml.createChild(doc, disk, "target", {"dev": dom_dev, "bus": "ide"}, None) #parse interface info if vm_interfaces is not None: for interface in vm_interfaces: #get input from interface list bridge = int( interface[0].lstrip('breth') ) mac = interface[1] source_interface = interface[2] interface = xml.createChild(doc, devices, "interface", {"type": "bridge"}, None) xml.createChild(doc, interface, "mac", {"address": mac}, None) xml.createChild(doc, interface, "source", {"bridge": source_interface}, None) xml.createChild(doc, interface, "script", {"path": "vif-bridge"}, None) xml.createChild(doc, interface, "target", {"dev": "vif%i.%i" % (vm_id, bridge)}, None) elif vm_network_layout is not None: try: interfaces = self.ifacedef[vm_network_layout] except KeyError: msg = "The interface type %s is not present in config file." % vm_network_layout raise error.InputError(msg) # Ensure that br0,x is done first as xen cares about order in xml. interfaces = sorted(interfaces, key=itemgetter(0)) for interface in interfaces: interface = common.validate_interfaces_in_conf(interface) iface_number = int( interface[0].lstrip('breth') ) if iface_number == 0: boot_mac = common.mac_from_uuid(vm_uuid, iface_number) boot_int = interface[1] mac = common.mac_from_uuid(vm_uuid, iface_number) source_interface = interface[1] # KS enumerate avail interfaces via facter, not remote socket op #if not source_interface in self._all_interfaces(): # msg = "%s does not exist on this machine so we cant bridge to it!" % source_interface # raise error.InsufficientResource, msg interface = xml.createChild(doc, devices, "interface", {"type": "bridge"}, None) xml.createChild(doc, interface, "mac", {"address": mac}, None) xml.createChild(doc, interface, "source", {"bridge": source_interface}, None) xml.createChild(doc, interface, "script", {"path": "vif-bridge"}, None) xml.createChild(doc, interface, "target", {"dev": "vif%i.%i" % (vm_id, iface_number)}, None) if vm_install: # Add network boot lines xml.createChild(doc, domain, "bootloader", None, "/usr/sbin/pypxeboot" ) try: xml.createChild(doc, domain, "bootloader_args", None, "--udhcpc=/usr/local/pkg/udhcp/sbin/udhcpc --interface=%s mac=%s --label=install-aethernet" % (boot_int, boot_mac) ) except UnboundLocalError: msg = "In config there must be an interface br0 as the provisioning interface!" raise error.ConfigError(msg) else: xml.createChild(doc, domain, "bootloader", None, "/usr/bin/pygrub" ) try: out = self.conn.defineXML(xml.out(doc)) except Exception, e: trace = traceback.format_exc() raise error.LibvirtError(e, trace)