from resource_inventory.models import ( ResourceTemplate, Image, Server, ResourceBundle, ResourceProfile, InterfaceProfile, PhysicalNetwork, ResourceConfiguration, NetworkConnection, InterfaceConfiguration, Network, DiskProfile, CpuProfile, RamProfile, Interface ) import json from django.contrib.auth.models import User from account.models import Lab from resource_inventory.resource_manager import ResourceManager from resource_inventory.pdf_templater import PDFTemplater from booking.quick_deployer import update_template from datetime import timedelta from django.utils import timezone from booking.models import Booking from notifier.manager import NotificationHandler from api.models import JobFactory from api.models import JobStatus def print_div(): print("====================================================================") def book_host(owner_username, host_labid, lab_username, hostname, image_id, template_name, length_days=21, collaborator_usernames=[], purpose="internal", project="LaaS"): """ creates a quick booking using the given host """ lab = Lab.objects.get(lab_user__username=lab_username) host = Server.objects.filter(lab=lab).get(labid=host_labid) if host.booked: print("Can't book host, already marked as booked") return else: host.booked = True host.save() template = ResourceTemplate.objects.filter(public=True).get(name=template_name) image = Image.objects.get(id=image_id) owner = User.objects.get(username=owner_username) new_template = update_template(template, image, hostname, owner) rmanager = ResourceManager.getInstance() vlan_map = rmanager.get_vlans(new_template) # only a single host so can reuse var for iter here resource_bundle = ResourceBundle.objects.create(template=new_template) res_configs = new_template.getConfigs() for config in res_configs: try: host.bundle = resource_bundle host.config = config rmanager.configureNetworking(resource_bundle, host, vlan_map) host.save() except Exception: host.booked = False host.save() print("Failed to book host due to error configuring it") return new_template.save() booking = Booking.objects.create( purpose=purpose, project=project, lab=lab, owner=owner, start=timezone.now(), end=timezone.now() + timedelta(days=int(length_days)), resource=resource_bundle, opnfv_config=None ) booking.pdf = PDFTemplater.makePDF(booking) booking.save() for collaborator_username in collaborator_usernames: try: user = User.objects.get(username=collaborator_username) booking.collaborators.add(user) except Exception: print("couldn't add user with username ", collaborator_username) booking.save() JobFactory.makeCompleteJob(booking) NotificationHandler.notify_new_booking(booking) def mark_working(host_labid, lab_username, working=True): lab = Lab.objects.get(lab_user__username=lab_username) server = Server.objects.filter(lab=lab).get(labid=host_labid) print("changing server working status from ", server.working, "to", working) server.working = working server.save() def mark_booked(host_labid, lab_username, booked=True): lab = Lab.objects.get(lab_user__username=lab_username) server = Server.objects.filter(lab=lab).get(labid=host_labid) print("changing server booked status from ", server.booked, "to", booked) server.booked = booked server.save() # returns host filtered by lab and then unique id within lab def get_host(host_labid, lab_username): lab = Lab.objects.get(lab_user__username=lab_username) return Server.objects.filter(lab=lab).get(labid=host_labid) def get_info(host_labid, lab_username): info = {} host = get_host(host_labid, lab_username) info['host_labid'] = host_labid info['booked'] = host.booked info['working'] = host.working info['profile'] = str(host.profile) if host.bundle: binfo = {} info['bundle'] = binfo if host.config: cinfo = {} info['config'] = cinfo return info def map_cntt_interfaces(labid: str): """ Use this during cntt migrations, call it with a host labid and it will change profiles for this host as well as mapping its interfaces across. interface ens1f2 should have the mac address of interface eno50 as an invariant before calling this function """ host = get_host(labid, "unh_iol") host.profile = ResourceProfile.objects.get(name="HPE x86 CNTT") host.save() host = get_host(labid, "unh_iol") for iface in host.interfaces.all(): new_ifprofile = None if iface.profile.name == "ens1f2": new_ifprofile = InterfaceProfile.objects.get(host=host.profile, name="eno50") else: new_ifprofile = InterfaceProfile.objects.get(host=host.profile, name=iface.profile.name) iface.profile = new_ifprofile iface.save() def detect_leaked_hosts(labid="unh_iol"): """ Use this to try to detect leaked hosts. These hosts may still be in the process of unprovisioning, but if they are not (or unprovisioning is frozen) then these hosts are instead leaked """ working_servers = Server.objects.filter(working=True, lab__lab_user__username=labid) booked = working_servers.filter(booked=True) filtered = booked print_div() print("In use now:") for booking in Booking.objects.filter(end__gte=timezone.now()): res_for_booking = booking.resource.get_resources() print(res_for_booking) for resource in res_for_booking: filtered = filtered.exclude(id=resource.id) print_div() print("Possibly leaked:") for host in filtered: print(host) print_div() return filtered def booking_for_host(host_labid: str, labid="unh_iol"): server = Server.objects.get(lab__lab_user__username=labid, labid=host_labid) booking = server.bundle.booking_set.first() print_div() print(booking) print("id:", booking.id) print("owner:", booking.owner) print("job (id):", booking.job, "(" + str(booking.job.id) + ")") print_div() return booking def force_release_booking(booking_id): booking = Booking.objects.get(id=booking_id) job = booking.job tasks = job.get_tasklist() for task in tasks: task.status = JobStatus.DONE task.save() def get_network_metadata(booking_id: int): booking = Booking.objects.get(id=booking_id) bundle = booking.resource pnets = PhysicalNetwork.objects.filter(bundle=bundle).all() metadata = {} for pnet in pnets: net = pnet.generic_network mdata = {"vlan_id": pnet.vlan_id, "netname": net.name, "public": net.is_public} metadata[net.name] = mdata return metadata def print_dict_pretty(a_dict): print(json.dumps(a_dict, sort_keys=True, indent=4)) """ schema: { "name": str "description": str "labs": [ str (lab username) ] "disks": { : { capacity: int (GiB) media_type: str ("SSD" or "HDD") interface: str ("sata", "sas", "ssd", "nvme", "scsi", or "iscsi") } } interfaces: { : { "speed": int (mbit) "nic_type": str ("onboard" or "pcie") "order": int (compared to the other interfaces, indicates the "order" that the ports are laid out) } } cpus: { cores: int (hardware threads count) architecture: str (x86_64" or "aarch64") cpus: int (number of sockets) cflags: str } ram: { amount: int (GiB) channels: int } } """ def add_profile(data): base_profile = ResourceProfile.objects.create(name=data['name'], description=data['description']) base_profile.save() for lab_username in data['labs']: lab = Lab.objects.get(lab_user__username=lab_username) base_profile.labs.add(lab) base_profile.save() for diskname in data['disks'].keys(): disk = data['disks'][diskname] disk_profile = DiskProfile.objects.create(name=diskname, size=disk['capacity'], media_type=disk['media_type'], interface=disk['interface'], host=base_profile) disk_profile.save() for ifacename in data['interfaces'].keys(): iface = data['interfaces'][ifacename] iface_profile = InterfaceProfile.objects.create(name=ifacename, speed=iface['speed'], nic_type=iface['nic_type'], order=iface['order'], host=base_profile) iface_profile.save() cpu = data['cpus'] cpu_prof = CpuProfile.objects.create(cores=cpu['cores'], architecture=cpu['architecture'], cpus=cpu['cpus'], cflags=cpu['cflags'], host=base_profile) cpu_prof.save() ram_prof = RamProfile.objects.create(amount=data['ram']['amount'], channels=data['ram']['channels'], host=base_profile) ram_prof.save() def make_default_template(resource_profile, image_id=None, template_name=None, connected_interface_names=None, interfaces_tagged=False, connected_interface_tagged=False, owner_username="root", lab_username="unh_iol", public=True, temporary=False, description=""): if not resource_profile: raise Exception("No viable continuation from none resource_profile") if not template_name: template_name = resource_profile.name if not connected_interface_names: connected_interface_names = [InterfaceProfile.objects.filter(host=resource_profile).first().name] print("setting connected interface names to", connected_interface_names) if not image_id: image_id = Image.objects.filter(host_type=resource_profile).first().id image = Image.objects.get(id=image_id) base = ResourceTemplate.objects.create( name=template_name, xml="", owner=User.objects.get(username=owner_username), lab=Lab.objects.get(lab_user__username=lab_username), description=description, public=public, temporary=temporary, copy_of=None) rconf = ResourceConfiguration.objects.create(profile=resource_profile, image=image, template=base, is_head_node=True, name="opnfv_host") rconf.save() connected_interfaces = [] for iface_prof in InterfaceProfile.objects.filter(host=resource_profile).all(): iface_conf = InterfaceConfiguration.objects.create(profile=iface_prof, resource_config=rconf) if iface_prof.name in connected_interface_names: connected_interfaces.append(iface_conf) network = Network.objects.create(name="public", bundle=base, is_public=True) for iface in connected_interfaces: connection = NetworkConnection.objects.create(network=network, vlan_is_tagged=interfaces_tagged) connection.save() iface.connections.add(connection) print("adding connection to iface ", iface) iface.save() connection.save() """ Note: interfaces should be dict from interface name (eg ens1f0) to dict of schema: { mac_address: , bus_addr: , //this field is optional, "" is default } """ def add_server(profile, uname, interfaces, lab_username="unh_iol", vendor="unknown", model="unknown"): server = Server.objects.create( bundle=None, profile=profile, config=None, working=True, vendor=vendor, model=model, labid=uname, lab=Lab.objects.get(lab_user__username=lab_username), name=uname, booked=False) for iface_prof in InterfaceProfile.objects.filter(host=profile).all(): mac_addr = interfaces[iface_prof.name]["mac_address"] bus_addr = "unknown" if "bus_addr" in interfaces[iface_prof.name].keys(): bus_addr = interfaces[iface_prof.name]["bus_addr"] iface = Interface.objects.create(acts_as=None, profile=iface_prof, mac_address=mac_addr, bus_address=bus_addr) iface.save() server.interfaces.add(iface) server.save() def extend_booking(booking_id, days=0, hours=0, minutes=0, weeks=0): booking = Booking.objects.get(id=booking_id) booking.end = booking.end + timedelta(days=days, hours=hours, minutes=minutes, weeks=weeks) booking.save()