diff options
Diffstat (limited to 'src/booking/quick_deployer.py')
| -rw-r--r-- | src/booking/quick_deployer.py | 284 |
1 files changed, 56 insertions, 228 deletions
diff --git a/src/booking/quick_deployer.py b/src/booking/quick_deployer.py index 743cdcf..917f578 100644 --- a/src/booking/quick_deployer.py +++ b/src/booking/quick_deployer.py @@ -9,208 +9,71 @@ import json -import uuid -import re from django.db.models import Q from datetime import timedelta from django.utils import timezone +from django.core.exceptions import ValidationError from account.models import Lab from resource_inventory.models import ( + ResourceTemplate, Installer, Image, - GenericResourceBundle, - ConfigBundle, - Host, - HostProfile, - HostConfiguration, - GenericResource, - GenericHost, - GenericInterface, OPNFVRole, OPNFVConfig, - Network, - NetworkConnection, - NetworkRole, - HostOPNFVConfig, + ResourceOPNFVConfig, ) from resource_inventory.resource_manager import ResourceManager from resource_inventory.pdf_templater import PDFTemplater from notifier.manager import NotificationHandler from booking.models import Booking -from dashboard.exceptions import ( - InvalidHostnameException, - ResourceAvailabilityException, - ModelValidationException, - BookingLengthException -) +from dashboard.exceptions import BookingLengthException from api.models import JobFactory -# model validity exceptions -class IncompatibleInstallerForOS(Exception): - pass - - -class IncompatibleScenarioForInstaller(Exception): - pass - - -class IncompatibleImageForHost(Exception): - pass - - -class ImageOwnershipInvalid(Exception): - pass - - -class ImageNotAvailableAtLab(Exception): - pass - - -class LabDNE(Exception): - pass - - -class HostProfileDNE(Exception): - pass - - -class HostNotAvailable(Exception): - pass - - -class NoLabSelectedError(Exception): - pass - - -class OPNFVRoleDNE(Exception): - pass - - -class NoRemainingPublicNetwork(Exception): - pass - - -class BookingPermissionException(Exception): - pass - - -def parse_host_field(host_json): +def parse_resource_field(resource_json): """ Parse the json from the frontend. - returns a reference to the selected Lab and HostProfile objects + returns a reference to the selected Lab and ResourceTemplate objects """ - lab, profile = (None, None) - lab_dict = host_json['lab'] + lab, template = (None, None) + lab_dict = resource_json['lab'] for lab_info in lab_dict.values(): if lab_info['selected']: lab = Lab.objects.get(lab_user__id=lab_info['id']) - host_dict = host_json['host'] - for host_info in host_dict.values(): - if host_info['selected']: - profile = HostProfile.objects.get(pk=host_info['id']) + resource_dict = resource_json['resource'] + for resource_info in resource_dict.values(): + if resource_info['selected']: + template = ResourceTemplate.objects.get(pk=resource_info['id']) if lab is None: - raise NoLabSelectedError("No lab was selected") - if profile is None: - raise HostProfileDNE("No Host was selected") + raise ValidationError("No lab was selected") + if template is None: + raise ValidationError("No Host was selected") - return lab, profile + return lab, template -def check_available_matching_host(lab, hostprofile): +def update_template(template, image, lab, hostname): """ - Check the resources are available. + Update and copy a resource template to the user's profile. - Returns true if the requested host type is availble, - Or throws an exception + TODO: How, why, should we? """ - available_host_types = ResourceManager.getInstance().getAvailableHostTypes(lab) - if hostprofile not in available_host_types: - # TODO: handle deleting generic resource in this instance along with grb - raise HostNotAvailable('Requested host type is not available. Please try again later. Host availability can be viewed in the "Hosts" tab to the left.') - - hostset = Host.objects.filter(lab=lab, profile=hostprofile).filter(booked=False).filter(working=True) - if not hostset.exists(): - raise HostNotAvailable("Couldn't find any matching unbooked hosts") - - return True - - -# Functions to create models - -def generate_grb(owner, lab, common_id): - """Create a Generic Resource Bundle.""" - grbundle = GenericResourceBundle(owner=owner) - grbundle.lab = lab - grbundle.name = "grbundle for quick booking with uid " + common_id - grbundle.description = "grbundle created for quick-deploy booking" - grbundle.save() - - return grbundle - - -def generate_gresource(bundle, hostname): - """Create a Generic Resource.""" - if not re.match(r"(?=^.{1,253}$)(^([A-Za-z0-9-_]{1,62}\.)*[A-Za-z0-9-_]{1,63})$", hostname): - raise InvalidHostnameException("Hostname must comply to RFC 952 and all extensions to it until this point") - gresource = GenericResource(bundle=bundle, name=hostname) - gresource.save() - - return gresource - - -def generate_ghost(generic_resource, host_profile): - """Create a Generic Host.""" - ghost = GenericHost() - ghost.resource = generic_resource - ghost.profile = host_profile - ghost.save() - - return ghost - - -def generate_config_bundle(owner, common_id, grbundle): - """Create a Configuration Bundle.""" - cbundle = ConfigBundle() - cbundle.owner = owner - cbundle.name = "configbundle for quick booking with uid " + common_id - cbundle.description = "configbundle created for quick-deploy booking" - cbundle.bundle = grbundle - cbundle.save() - - return cbundle - - -def generate_opnfvconfig(scenario, installer, config_bundle): - """Create an OPNFV Configuration.""" - opnfvconfig = OPNFVConfig() - opnfvconfig.scenario = scenario - opnfvconfig.installer = installer - opnfvconfig.bundle = config_bundle - opnfvconfig.save() - - return opnfvconfig - + pass -def generate_hostconfig(generic_host, image, config_bundle): - """Create a Host Configuration.""" - hconf = HostConfiguration() - hconf.host = generic_host - hconf.image = image - hconf.bundle = config_bundle - hconf.is_head_node = True - hconf.save() - return hconf +def generate_opnfvconfig(scenario, installer, template): + return OPNFVConfig.objects.create( + scenario=scenario, + installer=installer, + template=template + ) def generate_hostopnfv(hostconfig, opnfvconfig): - """Relate the Host and OPNFV Configs.""" - config = HostOPNFVConfig() role = None try: role = OPNFVRole.objects.get(name="Jumphost") @@ -219,31 +82,21 @@ def generate_hostopnfv(hostconfig, opnfvconfig): name="Jumphost", description="Single server jumphost role" ) - config.role = role - config.host_config = hostconfig - config.opnfv_config = opnfvconfig - config.save() - return config + return ResourceOPNFVConfig.objects.create( + role=role, + host_config=hostconfig, + opnfv_config=opnfvconfig + ) -def generate_resource_bundle(generic_resource_bundle, config_bundle): # warning: requires cleanup - """Create a Resource Bundle.""" - try: - resource_manager = ResourceManager.getInstance() - resource_bundle = resource_manager.convertResourceBundle(generic_resource_bundle, config=config_bundle) - return resource_bundle - except ResourceAvailabilityException: - raise ResourceAvailabilityException("Requested resources not available") - except ModelValidationException: - raise ModelValidationException("Encountered error while saving grbundle") +def generate_resource_bundle(template): + resource_manager = ResourceManager.getInstance() + resource_bundle = resource_manager.convertResourceBundle(template) + return resource_bundle def check_invariants(request, **kwargs): - """ - Verify all the contraints on the requested booking. - - verifies software compatibility, booking length, etc - """ + # TODO: This should really happen in the BookingForm validation methods installer = kwargs['installer'] image = kwargs['image'] scenario = kwargs['scenario'] @@ -254,33 +107,19 @@ def check_invariants(request, **kwargs): if installer in image.os.sup_installers.all(): # if installer not here, we can omit that and not check for scenario if not scenario: - raise IncompatibleScenarioForInstaller("An OPNFV Installer needs a scenario to be chosen to work properly") + raise ValidationError("An OPNFV Installer needs a scenario to be chosen to work properly") if scenario not in installer.sup_scenarios.all(): - raise IncompatibleScenarioForInstaller("The chosen installer does not support the chosen scenario") + raise ValidationError("The chosen installer does not support the chosen scenario") if image.from_lab != lab: - raise ImageNotAvailableAtLab("The chosen image is not available at the chosen hosting lab") + raise ValidationError("The chosen image is not available at the chosen hosting lab") if image.host_type != host_profile: - raise IncompatibleImageForHost("The chosen image is not available for the chosen host type") + raise ValidationError("The chosen image is not available for the chosen host type") if not image.public and image.owner != request.user: - raise ImageOwnershipInvalid("You are not the owner of the chosen private image") + raise ValidationError("You are not the owner of the chosen private image") if length < 1 or length > 21: raise BookingLengthException("Booking must be between 1 and 21 days long") -def configure_networking(grb, config): - # create network - net = Network.objects.create(name="public", bundle=grb, is_public=True) - # connect network to generic host - grb.getResources()[0].generic_interfaces.first().connections.add( - NetworkConnection.objects.create(network=net, vlan_is_tagged=False) - ) - # asign network role - role = NetworkRole.objects.create(name="public", network=net) - opnfv_config = config.opnfv_config.first() - if opnfv_config: - opnfv_config.networks.add(role) - - def create_from_form(form, request): """ Create a Booking from the user's form. @@ -288,9 +127,7 @@ def create_from_form(form, request): Large, nasty method to create a booking or return a useful error based on the form from the frontend """ - quick_booking_id = str(uuid.uuid4()) - - host_field = form.cleaned_data['filter_field'] + resource_field = form.cleaned_data['filter_field'] purpose_field = form.cleaned_data['purpose'] project_field = form.cleaned_data['project'] users_field = form.cleaned_data['users'] @@ -301,39 +138,30 @@ def create_from_form(form, request): scenario = form.cleaned_data['scenario'] installer = form.cleaned_data['installer'] - lab, host_profile = parse_host_field(host_field) + lab, resource_template = parse_resource_field(resource_field) data = form.cleaned_data data['lab'] = lab - data['host_profile'] = host_profile + data['resource_template'] = resource_template check_invariants(request, **data) # check booking privileges + # TODO: use the canonical booking_allowed method because now template might have multiple + # machines if Booking.objects.filter(owner=request.user, end__gt=timezone.now()).count() >= 3 and not request.user.userprofile.booking_privledge: - raise BookingPermissionException("You do not have permission to have more than 3 bookings at a time.") + raise PermissionError("You do not have permission to have more than 3 bookings at a time.") - check_available_matching_host(lab, host_profile) # requires cleanup if failure after this point + ResourceManager.getInstance().templateIsReservable(resource_template) - grbundle = generate_grb(request.user, lab, quick_booking_id) - gresource = generate_gresource(grbundle, hostname) - ghost = generate_ghost(gresource, host_profile) - cbundle = generate_config_bundle(request.user, quick_booking_id, grbundle) - hconf = generate_hostconfig(ghost, image, cbundle) + hconf = update_template(resource_template, image, lab, hostname) # if no installer provided, just create blank host opnfv_config = None if installer: - opnfv_config = generate_opnfvconfig(scenario, installer, cbundle) + opnfv_config = generate_opnfvconfig(scenario, installer, resource_template) generate_hostopnfv(hconf, opnfv_config) - # construct generic interfaces - for interface_profile in host_profile.interfaceprofile.all(): - generic_interface = GenericInterface.objects.create(profile=interface_profile, host=ghost) - generic_interface.save() - - configure_networking(grbundle, cbundle) - # generate resource bundle - resource_bundle = generate_resource_bundle(grbundle, cbundle) + resource_bundle = generate_resource_bundle(resource_template) # generate booking booking = Booking.objects.create( @@ -344,7 +172,6 @@ def create_from_form(form, request): start=timezone.now(), end=timezone.now() + timedelta(days=int(length)), resource=resource_bundle, - config_bundle=cbundle, opnfv_config=opnfv_config ) booking.pdf = PDFTemplater.makePDF(booking) @@ -384,10 +211,11 @@ def drop_filter(user): images = Image.objects.filter(Q(public=True) | Q(owner=user)) image_filter = {} for image in images: - image_filter[image.id] = {} - image_filter[image.id]['lab'] = 'lab_' + str(image.from_lab.lab_user.id) - image_filter[image.id]['host_profile'] = 'host_' + str(image.host_type.id) - image_filter[image.id]['name'] = image.name + image_filter[image.id] = { + 'lab': 'lab_' + str(image.from_lab.lab_user.id), + 'host_profile': 'host_' + str(image.host_type.id), + 'name': image.name + } return {'installer_filter': json.dumps(installer_filter), 'scenario_filter': json.dumps(scenario_filter), |