from django.contrib.auth.models import User
from django.db import models
-from django.core.exceptions import PermissionDenied
+from django.core.exceptions import PermissionDenied, ValidationError
from django.shortcuts import get_object_or_404
+from django.http import HttpResponseNotFound
from django.urls import reverse
from django.utils import timezone
from booking.models import Booking
from resource_inventory.models import (
Lab,
- HostProfile,
- Host,
+ ResourceProfile,
Image,
Interface,
- HostOPNFVConfig,
+ ResourceOPNFVConfig,
RemoteInfo,
OPNFVConfig,
- ConfigState
+ ConfigState,
+ ResourceQuery
)
from resource_inventory.idf_templater import IDFTemplater
from resource_inventory.pdf_templater import PDFTemplater
from account.models import Downtime
+from dashboard.utils import AbstractModelQuery
class JobStatus(object):
)
return self.get_downtime_json()
- def update_host_remote_info(self, data, host_id):
- host = get_object_or_404(Host, labid=host_id, lab=self.lab)
+ def update_host_remote_info(self, data, res_id):
+ resource = ResourceQuery.filter(labid=res_id, lab=self.lab)
+ if len(resource) != 1:
+ return HttpResponseNotFound("Could not find single host with id " + str(res_id))
+ resource = resource[0]
info = {}
try:
info['address'] = data['address']
info['versions'] = json.dumps(data['versions'])
except Exception as e:
return {"error": "invalid arguement: " + str(e)}
- remote_info = host.remote_management
+ remote_info = resource.remote_management
if "default" in remote_info.mac_address:
remote_info = RemoteInfo()
remote_info.address = info['address']
remote_info.type = info['type']
remote_info.versions = info['versions']
remote_info.save()
- host.remote_management = remote_info
- host.save()
- booking = Booking.objects.get(resource=host.bundle)
+ resource.remote_management = remote_info
+ resource.save()
+ booking = Booking.objects.get(resource=resource.bundle)
self.update_xdf(booking)
return {"status": "success"}
"phone": self.lab.contact_phone,
"email": self.lab.contact_email
}
- prof['host_count'] = []
- for host in HostProfile.objects.filter(labs=self.lab):
- count = Host.objects.filter(profile=host, lab=self.lab).count()
- prof['host_count'].append(
- {
- "type": host.name,
- "count": count
- }
- )
+ prof['host_count'] = [{
+ "type": profile.name,
+ "count": len(profile.get_resources(lab=self.lab))}
+ for profile in ResourceProfile.objects.filter(labs=self.lab)]
return prof
def get_inventory(self):
inventory = {}
- hosts = Host.objects.filter(lab=self.lab)
+ resources = ResourceQuery.filter(lab=self.lab)
images = Image.objects.filter(from_lab=self.lab)
- profiles = HostProfile.objects.filter(labs=self.lab)
- inventory['hosts'] = self.serialize_hosts(hosts)
+ profiles = ResourceProfile.objects.filter(labs=self.lab)
+ inventory['resources'] = self.serialize_resources(resources)
inventory['images'] = self.serialize_images(images)
inventory['host_types'] = self.serialize_host_profiles(profiles)
return inventory
def get_host(self, hostname):
- host = get_object_or_404(Host, labid=hostname, lab=self.lab)
+ resource = ResourceQuery.filter(labid=hostname, lab=self.lab)
+ if len(resource) != 1:
+ return HttpResponseNotFound("Could not find single host with id " + str(hostname))
+ resource = resource[0]
return {
- "booked": host.booked,
- "working": host.working,
- "type": host.profile.name
+ "booked": resource.booked,
+ "working": resource.working,
+ "type": resource.profile.name
}
def update_host(self, hostname, data):
- host = get_object_or_404(Host, labid=hostname, lab=self.lab)
+ resource = ResourceQuery.filter(labid=hostname, lab=self.lab)
+ if len(resource) != 1:
+ return HttpResponseNotFound("Could not find single host with id " + str(hostname))
+ resource = resource[0]
if "working" in data:
working = data['working'] == "true"
- host.working = working
- host.save()
+ resource.working = working
+ resource.save()
return self.get_host(hostname)
def get_status(self):
return job_ser
- def serialize_hosts(self, hosts):
+ def serialize_resources(self, resources):
+ # TODO: rewrite for Resource model
host_ser = []
- for host in hosts:
- h = {}
- h['interfaces'] = []
- h['hostname'] = host.name
- h['host_type'] = host.profile.name
- for iface in host.interfaces.all():
- eth = {}
- eth['mac'] = iface.mac_address
- eth['busaddr'] = iface.bus_address
- eth['name'] = iface.name
- eth['switchport'] = {"switch_name": iface.switch_name, "port_name": iface.port_name}
- h['interfaces'].append(eth)
+ for res in resources:
+ r = {
+ 'interfaces': [],
+ 'hostname': res.name,
+ 'host_type': res.profile.name
+ }
+ for iface in res.get_interfaces():
+ r['interfaces'].append({
+ 'mac': iface.mac_address,
+ 'busaddr': iface.bus_address,
+ 'name': iface.name,
+ 'switchport': {"switch_name": iface.switch_name, "port_name": iface.port_name}
+ })
return host_ser
def serialize_images(self, images):
)
return images_ser
- def serialize_host_profiles(self, profiles):
+ def serialize_resource_profiles(self, profiles):
profile_ser = []
for profile in profiles:
p = {}
return {"id": self.id, "payload": d}
def get_tasklist(self, status="all"):
- tasklist = []
- clist = [
- HostHardwareRelation,
- AccessRelation,
- HostNetworkRelation,
- SoftwareRelation,
- SnapshotRelation
- ]
if status == "all":
- for cls in clist:
- tasklist += list(cls.objects.filter(job=self))
- else:
- for cls in clist:
- tasklist += list(cls.objects.filter(job=self).filter(status=status))
- return tasklist
+ return JobTaskQuery.filter(job=self, status=status)
+ return JobTaskQuery.filter(job=self)
def is_fulfilled(self):
"""
installer = models.CharField(max_length=200)
scenario = models.CharField(max_length=300)
- roles = models.ManyToManyField(Host)
+ roles = models.ManyToManyField(ResourceOPNFVConfig)
# pdf and idf are url endpoints, not the actual file
pdf = models.CharField(max_length=100)
idf = models.CharField(max_length=100)
for interface in self.interfaces.all():
d[hid][interface.mac_address] = []
for vlan in interface.config.all():
+ # TODO: should this come from the interface?
+ # e.g. will different interfaces for different resources need different configs?
d[hid][interface.mac_address].append({"vlan_id": vlan.vlan_id, "tagged": vlan.tagged})
return d
class SnapshotConfig(TaskConfig):
- host = models.ForeignKey(Host, null=True, on_delete=models.DO_NOTHING)
+ resource_id = models.CharField(max_length=200, default="default_id")
image = models.IntegerField(null=True)
dashboard_id = models.IntegerField()
delta = models.TextField(default="{}")
d['dashboard_id'] = self.dashboard_id
self.delta = json.dumps(d)
+ def save(self, *args, **kwargs):
+ if len(ResourceQuery.filter(labid=self.resource_id)) != 1:
+ raise ValidationError("resource_id " + str(self.resource_id) + " does not refer to a single resource")
+ super().save(*args, **kwargs)
+
def get_task(task_id):
for taskclass in [AccessRelation, SoftwareRelation, HostHardwareRelation, HostNetworkRelation, SnapshotRelation]:
class HostHardwareRelation(TaskRelation):
- host = models.ForeignKey(Host, on_delete=models.CASCADE)
+ resource_id = models.CharField(max_length=200, default="default_id")
config = models.OneToOneField(HardwareConfig, on_delete=models.CASCADE)
job_key = "hardware"
self.config.delete()
return super(self.__class__, self).delete(*args, **kwargs)
+ def save(self, *args, **kwargs):
+ if len(ResourceQuery.filter(labid=self.resource_id)) != 1:
+ raise ValidationError("resource_id " + str(self.resource_id) + " does not refer to a single resource")
+ super().save(*args, **kwargs)
+
class HostNetworkRelation(TaskRelation):
- host = models.ForeignKey(Host, on_delete=models.CASCADE)
+ resource_id = models.CharField(max_length=200, default="default_id")
config = models.OneToOneField(NetworkConfig, on_delete=models.CASCADE)
job_key = "network"
self.config.delete()
return super(self.__class__, self).delete(*args, **kwargs)
+ def save(self, *args, **kwargs):
+ if len(ResourceQuery.filter(labid=self.resource_id)) != 1:
+ raise ValidationError("resource_id " + str(self.resource_id) + " does not refer to a single resource")
+ super().save(*args, **kwargs)
+
class SnapshotRelation(TaskRelation):
snapshot = models.ForeignKey(Image, on_delete=models.CASCADE)
@classmethod
def makeCompleteJob(cls, booking):
"""Create everything that is needed to fulfill the given booking."""
- hosts = Host.objects.filter(bundle=booking.resource)
+ resources = booking.resource.get_resources()
job = None
try:
job = Job.objects.get(booking=booking)
except Exception:
job = Job.objects.create(status=JobStatus.NEW, booking=booking)
cls.makeHardwareConfigs(
- hosts=hosts,
+ resources=resources,
job=job
)
cls.makeNetworkConfigs(
- hosts=hosts,
+ resources=resources,
job=job
)
cls.makeSoftware(
job=job,
context={
"key": user.userprofile.ssh_public_key.open().read().decode(encoding="UTF-8"),
- "hosts": [host.labid for host in hosts]
+ "hosts": [r.labid for r in resources]
}
)
except Exception:
continue
@classmethod
- def makeHardwareConfigs(cls, hosts=[], job=Job()):
+ def makeHardwareConfigs(cls, resources=[], job=Job()):
"""
Create and save HardwareConfig.
Helper function to create the tasks related to
configuring the hardware
"""
- for host in hosts:
+ for res in resources:
hardware_config = None
try:
- hardware_config = HardwareConfig.objects.get(relation__host=host)
+ hardware_config = HardwareConfig.objects.get(relation__host=res)
except Exception:
hardware_config = HardwareConfig()
relation = HostHardwareRelation()
- relation.host = host
+ relation.resource_id = res.labid
relation.job = job
relation.config = hardware_config
relation.config.save()
config.save()
@classmethod
- def makeNetworkConfigs(cls, hosts=[], job=Job()):
+ def makeNetworkConfigs(cls, resources=[], job=Job()):
"""
Create and save NetworkConfig.
Helper function to create the tasks related to
configuring the networking
"""
- for host in hosts:
+ for res in resources:
network_config = None
try:
- network_config = NetworkConfig.objects.get(relation__host=host)
+ network_config = NetworkConfig.objects.get(relation__host=res)
except Exception:
network_config = NetworkConfig.objects.create()
relation = HostNetworkRelation()
- relation.host = host
+ relation.resource_id = res.labid
relation.job = job
network_config.save()
relation.config = network_config
relation.save()
network_config.clear_delta()
- for interface in host.interfaces.all():
+ # TODO: use get_interfaces() on resource
+ for interface in res.interfaces.all():
network_config.add_interface(interface)
network_config.save()
if booking.resource.hosts.count() < 2:
return None
try:
- jumphost_config = HostOPNFVConfig.objects.filter(
+ jumphost_config = ResourceOPNFVConfig.objects.filter(
role__name__iexact="jumphost"
)
- jumphost = Host.objects.get(
+ jumphost = ResourceQuery.filter(
bundle=booking.resource,
- config=jumphost_config.host_config
- )
+ config=jumphost_config.resource_config
+ )[0]
except Exception:
return None
br_config = BridgeConfig.objects.create(opnfv_config=booking.opnfv_config)
software_config = SoftwareConfig.objects.create(opnfv=opnfv_api_config)
software_relation = SoftwareRelation.objects.create(job=job, config=software_config)
return software_relation
+
+
+JOB_TASK_CLASSLIST = [
+ HostHardwareRelation,
+ AccessRelation,
+ HostNetworkRelation,
+ SoftwareRelation,
+ SnapshotRelation
+]
+
+
+class JobTaskQuery(AbstractModelQuery):
+ model_list = JOB_TASK_CLASSLIST
**get_user_field_opts()
)
- attrs = FormUtils.getLabData(0)
+ attrs = FormUtils.getLabData()
self.fields['filter_field'] = MultipleSelectFilterField(widget=MultipleSelectFilterWidget(**attrs))
self.fields['length'] = forms.IntegerField(
widget=NumberInput(
##############################################################################
-from resource_inventory.models import ResourceBundle, ConfigBundle, OPNFVConfig
+from resource_inventory.models import ResourceBundle, OPNFVConfig
from account.models import Lab
from django.contrib.auth.models import User
from django.db import models
ext_count = models.IntegerField(default=2)
# the hardware that the user has booked
resource = models.ForeignKey(ResourceBundle, on_delete=models.SET_NULL, null=True)
- # configuration for the above hardware
- config_bundle = models.ForeignKey(ConfigBundle, on_delete=models.SET_NULL, null=True)
opnfv_config = models.ForeignKey(OPNFVConfig, on_delete=models.SET_NULL, null=True)
project = models.CharField(max_length=100, default="", blank=True, null=True)
lab = models.ForeignKey(Lab, null=True, on_delete=models.SET_NULL)
import json
-import uuid
-import re
from django.db.models import Q
from datetime import timedelta
from django.utils import timezone
+from django.form import ValidationException
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,
)
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 ValidationException("No lab was selected")
+ if template is None:
+ raise ValidationException("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")
name="Jumphost",
description="Single server jumphost role"
)
- config.role = role
- config.host_config = hostconfig
- config.opnfv_config = opnfvconfig
- config.save()
- return config
+ return HostOPNFVConfig.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']
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 ValidationException("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 ValidationException("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 ValidationException("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 ValidationException("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 ValidationException("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.
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']
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(
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)
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),
--- /dev/null
+
+class AbstractModelQuery():
+ """
+ This is a class made for querying abstract models.
+
+ This class is itself abstract. create subclasses to
+ query your own abstract models.
+ """
+
+ model_list = []
+
+ @classmethod
+ def filter(cls, *args, **kwargs):
+ """
+ Query all concrete model classes.
+
+ Iterates over the model list and returns a list of all
+ matching models from the classes given.
+ Filter queries are given here as normal and are passed into the Django ORM
+ for each concrete model
+ """
+ result = []
+ for model in cls.model_list:
+ result += list(model.objects.filter(*args, **kwargs))
from django.contrib import admin
from resource_inventory.models import (
- HostProfile,
+ ResourceProfile,
InterfaceProfile,
DiskProfile,
CpuProfile,
OPNFVConfig,
OPNFVRole,
Image,
- HostConfiguration,
+ ResourceConfiguration,
RemoteInfo
)
##############################################################################
from django.contrib.auth.models import User
+from django.core.exceptions import ValidationError
from django.db import models
-from django.core.validators import RegexValidator
+from django.db.models import Q
import re
from account.models import Lab
+from dashboard.utils import AbstractModelQuery
-# profile of resources hosted by labs
-class HostProfile(models.Model):
+"""
+Profiles of resources hosted by labs.
+
+These describe hardware attributes of the different Resources a lab hosts.
+A single Resource subclass (e.g. Server) may have instances that point to different
+Profile models (e.g. an x86 server profile and armv8 server profile.
+"""
+
+
+class ResourceProfile(models.Model):
id = models.AutoField(primary_key=True)
- host_type = models.PositiveSmallIntegerField(default=0)
name = models.CharField(max_length=200, unique=True)
description = models.TextField()
- labs = models.ManyToManyField(Lab, related_name="hostprofiles")
+ labs = models.ManyToManyField(Lab, related_name="resourceprofiles")
def validate(self):
validname = re.compile(r"^[A-Za-z0-9\-\_\.\/\, ]+$")
def __str__(self):
return self.name
+ def get_resources(self, lab=None, working=True, unreserved=False):
+ """
+ Return a list of Resource objects which have this profile.
+
+ If lab is provided, only resources at that lab will be returned.
+ If working=True, will only return working hosts
+ """
+ resources = []
+ query = Q(profile=self)
+ if lab:
+ query = query & Q(lab=lab)
+ if working:
+ query = query & Q(working=True)
+
+ resources = ResourceQuery.filter(query)
+
+ if unreserved:
+ resources = [r for r in resources if not r.is_reserved()]
+
+ return resources
+
class InterfaceProfile(models.Model):
id = models.AutoField(primary_key=True)
speed = models.IntegerField()
name = models.CharField(max_length=100)
- host = models.ForeignKey(HostProfile, on_delete=models.CASCADE, related_name='interfaceprofile')
+ host = models.ForeignKey(ResourceProfile, on_delete=models.CASCADE, related_name='interfaceprofile')
nic_type = models.CharField(
max_length=50,
choices=[
],
default="onboard"
)
+ order = models.IntegerField(default=-1)
def __str__(self):
return self.name + " for " + str(self.host)
("HDD", "HDD")
])
name = models.CharField(max_length=50)
- host = models.ForeignKey(HostProfile, on_delete=models.CASCADE, related_name='storageprofile')
+ host = models.ForeignKey(ResourceProfile, on_delete=models.CASCADE, related_name='storageprofile')
rotation = models.IntegerField(default=0)
interface = models.CharField(
max_length=50,
("aarch64", "aarch64")
])
cpus = models.IntegerField()
- host = models.ForeignKey(HostProfile, on_delete=models.CASCADE, related_name='cpuprofile')
+ host = models.ForeignKey(ResourceProfile, on_delete=models.CASCADE, related_name='cpuprofile')
cflags = models.TextField(null=True)
def __str__(self):
id = models.AutoField(primary_key=True)
amount = models.IntegerField()
channels = models.IntegerField()
- host = models.ForeignKey(HostProfile, on_delete=models.CASCADE, related_name='ramprofile')
+ host = models.ForeignKey(ResourceProfile, on_delete=models.CASCADE, related_name='ramprofile')
def __str__(self):
return str(self.amount) + "G for " + str(self.host)
+"""
+Resource Models
+
+These models represent actual hardware resources
+with varying degrees of abstraction.
+"""
+
+
+class ResourceTemplate(models.Model):
+ """
+ Models a "template" of a complete, configured collection of resources that can be booked.
+
+ For example, this may represent a Pharos POD. This model is a template of the actual
+ resources that will be booked. This model can be "instantiated" into real resource models
+ across multiple different bookings.
+ """
+
+ # TODO: template might not be a good name because this is a collection of lots of configured resources
+ id = models.AutoField(primary_key=True)
+ name = models.CharField(max_length=300, unique=True)
+ xml = models.TextField()
+ owner = models.ForeignKey(User, null=True, on_delete=models.SET_NULL)
+ lab = models.ForeignKey(Lab, null=True, on_delete=models.SET_NULL, related_name="resourcetemplates")
+ description = models.CharField(max_length=1000, default="")
+ public = models.BooleanField(default=False)
+ hidden = models.BooleanField(default=False)
+
+ def getConfigs(self):
+ return list(self.resourceConfigurations.all())
+
+ def __str__(self):
+ return self.name
+
+
+class ResourceBundle(models.Model):
+ """
+ Collection of Resource objects.
+
+ This is just a way of aggregating all the resources in a booking into a single model.
+ """
+
+ template = models.ForeignKey(ResourceTemplate, on_delete=models.SET_NULL, null=True)
+
+ def __str__(self):
+ if self.template is None:
+ return "Resource bundle " + str(self.id) + " with no template"
+ return "instance of " + str(self.template)
+
+ def get_resources(self):
+ return ResourceQuery.filter(bundle=self)
+
+ def get_resource_with_role(self, role):
+ # TODO
+ pass
+
+
+class ResourceConfiguration(models.Model):
+ """Model to represent a complete configuration for a single physical Resource."""
+
+ id = models.AutoField(primary_key=True)
+ profile = models.ForeignKey(ResourceProfile, on_delete=models.CASCADE)
+ image = models.ForeignKey("Image", on_delete=models.PROTECT)
+ template = models.ForeignKey(ResourceTemplate, related_name="resourceConfigurations", null=True, on_delete=models.CASCADE)
+ is_head_node = models.BooleanField(default=False)
+
+ def __str__(self):
+ return "config with " + str(self.template) + " and image " + str(self.image)
+
+
+def get_default_remote_info():
+ return RemoteInfo.objects.get_or_create(
+ address="default",
+ mac_address="default",
+ password="default",
+ user="default",
+ management_type="default",
+ versions="[default]"
+ )[0].pk
+
+
class Resource(models.Model):
+ """
+ Super class for all hardware resource models.
+
+ Defines methods that must be implemented and common database fields.
+ Any new kind of Resource a lab wants to host (White box switch, traffic generator, etc)
+ should inherit from this class and fulfill the functional interface
+ """
+
class Meta:
abstract = True
+ bundle = models.ForeignKey(ResourceBundle, on_delete=models.SET_NULL, null=True)
+ profile = models.ForeignKey(ResourceProfile, on_delete=models.CASCADE)
+ config = models.ForeignKey(ResourceConfiguration, on_delete=models.SET_NULL, null=True)
+ working = models.BooleanField(default=True)
+ vendor = models.CharField(max_length=100, default="unknown")
+ model = models.CharField(max_length=150, default="unknown")
+ interfaces = models.ManyToManyField("Interface")
+ remote_management = models.ForeignKey("RemoteInfo", default=get_default_remote_info, on_delete=models.SET(get_default_remote_info))
+ labid = models.CharField(max_length=200, default="default_id", unique=True)
+ lab = models.ForeignKey(Lab, on_delete=models.CASCADE)
+
def get_configuration(self, state):
"""
Get configuration of Resource.
def get_interfaces(self):
"""
- Returns a list of interfaces on this resource.
+ Return a list of interfaces on this resource.
+
The ordering of interfaces should be consistent.
"""
raise NotImplementedError("Must implement in concrete Resource classes")
+ def is_reserved(self):
+ """Return True if this Resource is reserved."""
+ raise NotImplementedError("Must implement in concrete Resource classes")
+
+ def same_instance(self, other):
+ """Return True if this Resource is the same instance as other."""
+ raise NotImplementedError("Must implement in concrete Resource classes")
+
+ def save(self, *args, **kwargs):
+ """Assert that labid is unique across all Resource models."""
+ res = ResourceQuery.filter(labid=self.labid)
+ if len(res) > 1:
+ raise ValidationError("Too many resources with labid " + str(self.labid))
+
+ if len(res) == 1:
+ if not self.same_instance(res[0]):
+ raise ValidationError("Too many resources with labid " + str(self.labid))
+ super().save(*args, **kwargs)
-# Generic resource templates
-class GenericResourceBundle(models.Model):
+
+class RemoteInfo(models.Model):
+ address = models.CharField(max_length=15)
+ mac_address = models.CharField(max_length=17)
+ password = models.CharField(max_length=100)
+ user = models.CharField(max_length=100)
+ management_type = models.CharField(max_length=50, default="ipmi")
+ versions = models.CharField(max_length=100) # json serialized list of floats
+
+
+class Server(Resource):
+ """Resource subclass - a basic baremetal server."""
+
+ booked = models.BooleanField(default=False)
+ name = models.CharField(max_length=200, unique=True)
+
+ def __str__(self):
+ return self.name
+
+ def get_configuration(self, state):
+ ipmi = state == ConfigState.NEW
+ power = "off" if state == ConfigState.CLEAN else "on"
+
+ return {
+ "id": self.labid,
+ "image": self.config.image.lab_id,
+ "hostname": self.template.resource.name,
+ "power": power,
+ "ipmi_create": str(ipmi)
+ }
+
+ def get_interfaces(self):
+ return list(self.interfaces.all().order_by('bus_address'))
+
+ def release(self):
+ self.booked = False
+ self.save()
+
+ def reserve(self):
+ self.booked = True
+ self.save()
+
+ def is_reserved(self):
+ return self.booked
+
+ def same_instance(self, other):
+ return isinstance(other, Server) and other.name == self.name
+
+
+class Opsys(models.Model):
id = models.AutoField(primary_key=True)
- name = models.CharField(max_length=300, unique=True)
- xml = models.TextField()
- owner = models.ForeignKey(User, null=True, on_delete=models.SET_NULL)
- lab = models.ForeignKey(Lab, null=True, on_delete=models.SET_NULL)
- description = models.CharField(max_length=1000, default="")
- public = models.BooleanField(default=False)
- hidden = models.BooleanField(default=False)
+ name = models.CharField(max_length=100)
+ sup_installers = models.ManyToManyField("Installer", blank=True)
+
+ def __str__(self):
+ return self.name
- def getResources(self):
- my_resources = []
- for genericResource in self.generic_resources.all():
- my_resources.append(genericResource.getResource())
- return my_resources
+class Image(models.Model):
+ """Model for representing OS images / snapshots of hosts."""
+
+ id = models.AutoField(primary_key=True)
+ lab_id = models.IntegerField() # ID the lab who holds this image knows
+ from_lab = models.ForeignKey(Lab, on_delete=models.CASCADE)
+ name = models.CharField(max_length=200)
+ owner = models.ForeignKey(User, null=True, on_delete=models.SET_NULL)
+ public = models.BooleanField(default=True)
+ host_type = models.ForeignKey(ResourceProfile, on_delete=models.CASCADE)
+ description = models.TextField()
+ os = models.ForeignKey(Opsys, null=True, on_delete=models.CASCADE)
def __str__(self):
return self.name
+ def in_use(self):
+ for resource in ResourceQuery.filter(config__image=self):
+ if resource.is_reserved():
+ return True
+
+ return False
+
+
+"""
+Networking configuration models
+"""
+
class Network(models.Model):
id = models.AutoField(primary_key=True)
name = models.CharField(max_length=100)
- bundle = models.ForeignKey(GenericResourceBundle, on_delete=models.CASCADE, related_name="networks")
+ bundle = models.ForeignKey(ResourceTemplate, on_delete=models.CASCADE, related_name="networks")
is_public = models.BooleanField()
def __str__(self):
return str(self.vlan_id) + ("_T" if self.tagged else "")
-class ConfigState:
- NEW = 0
- RESET = 100
- CLEAN = 200
-
-
-class GenericResource(models.Model):
- bundle = models.ForeignKey(GenericResourceBundle, related_name='generic_resources', on_delete=models.CASCADE)
- hostname_validchars = RegexValidator(regex=r'(?=^.{1,253}$)(?=(^([A-Za-z0-9\-\_]{1,62}\.)*[A-Za-z0-9\-\_]{1,63}$))', message="Enter a valid hostname. Full domain name may be 1-253 characters, each hostname 1-63 characters (including suffixed dot), and valid characters for hostnames are A-Z, a-z, 0-9, hyphen (-), and underscore (_)")
- name = models.CharField(max_length=200, validators=[hostname_validchars])
-
- def getResource(self):
- # TODO: This will have to be dealt with
- return self.generic_host
-
- def __str__(self):
- return self.name
-
- def validate(self):
- validname = re.compile(r'(?=^.{1,253}$)(?=(^([A-Za-z0-9\-\_]{1,62}\.)*[A-Za-z0-9\-\_]{1,63}$))')
- if not validname.match(self.name):
- return "Enter a valid hostname. Full domain name may be 1-253 characters, each hostname 1-63 characters (including suffixed dot), and valid characters for hostnames are A-Z, a-z, 0-9, hyphen (-), and underscore (_)"
- else:
- return None
-
-
-# Host template
-class GenericHost(models.Model):
- id = models.AutoField(primary_key=True)
- profile = models.ForeignKey(HostProfile, on_delete=models.CASCADE)
- resource = models.OneToOneField(GenericResource, related_name='generic_host', on_delete=models.CASCADE)
-
- def __str__(self):
- return self.resource.name
-
-
-# Physical, actual resources
-class ResourceBundle(Resource):
- template = models.ForeignKey(GenericResourceBundle, on_delete=models.SET_NULL, null=True)
-
- def __str__(self):
- if self.template is None:
- return "Resource bundle " + str(self.id) + " with no template"
- return "instance of " + str(self.template)
-
- def get_host(self, role="Jumphost"):
- return Host.objects.filter(bundle=self, config__is_head_node=True).first() # should only ever be one, but it is not an invariant in the models
-
-
-class GenericInterface(models.Model):
+class InterfaceConfiguration(models.Model):
id = models.AutoField(primary_key=True)
profile = models.ForeignKey(InterfaceProfile, on_delete=models.CASCADE)
- host = models.ForeignKey(GenericHost, on_delete=models.CASCADE, related_name='generic_interfaces')
+ resource_config = models.ForeignKey(ResourceConfiguration, on_delete=models.CASCADE, related_name='interface_configs')
connections = models.ManyToManyField(NetworkConnection)
def __str__(self):
return "type " + str(self.profile) + " on host " + str(self.host)
+"""
+OPNFV / Software configuration models
+"""
+
+
class Scenario(models.Model):
id = models.AutoField(primary_key=True)
name = models.CharField(max_length=300)
return self.name
-class Opsys(models.Model):
- id = models.AutoField(primary_key=True)
- name = models.CharField(max_length=100)
- sup_installers = models.ManyToManyField(Installer, blank=True)
-
- def __str__(self):
- return self.name
-
-
class NetworkRole(models.Model):
name = models.CharField(max_length=100)
network = models.ForeignKey(Network, on_delete=models.CASCADE)
-class ConfigBundle(models.Model):
- id = models.AutoField(primary_key=True)
- owner = models.ForeignKey(User, on_delete=models.CASCADE)
- name = models.CharField(max_length=200, unique=True)
- description = models.CharField(max_length=1000, default="")
- bundle = models.ForeignKey(GenericResourceBundle, null=True, on_delete=models.CASCADE)
- public = models.BooleanField(default=False)
- hidden = models.BooleanField(default=False)
-
- def __str__(self):
- return self.name
-
-
class OPNFVConfig(models.Model):
id = models.AutoField(primary_key=True)
installer = models.ForeignKey(Installer, on_delete=models.CASCADE)
scenario = models.ForeignKey(Scenario, on_delete=models.CASCADE)
- bundle = models.ForeignKey(ConfigBundle, related_name="opnfv_config", on_delete=models.CASCADE)
+ template = models.ForeignKey(ResourceTemplate, related_name="opnfv_config", on_delete=models.CASCADE)
networks = models.ManyToManyField(NetworkRole)
name = models.CharField(max_length=300, blank=True, default="")
description = models.CharField(max_length=600, blank=True, default="")
return self.name
-class Image(models.Model):
- """Model for representing OS images / snapshots of hosts."""
-
- id = models.AutoField(primary_key=True)
- lab_id = models.IntegerField() # ID the lab who holds this image knows
- from_lab = models.ForeignKey(Lab, on_delete=models.CASCADE)
- name = models.CharField(max_length=200)
- owner = models.ForeignKey(User, null=True, on_delete=models.SET_NULL)
- public = models.BooleanField(default=True)
- host_type = models.ForeignKey(HostProfile, on_delete=models.CASCADE)
- description = models.TextField()
- os = models.ForeignKey(Opsys, null=True, on_delete=models.CASCADE)
-
- def __str__(self):
- return self.name
-
- def in_use(self):
- return Host.objects.filter(booked=True, config__image=self).exists()
-
-
def get_sentinal_opnfv_role():
return OPNFVRole.objects.get_or_create(name="deleted", description="Role was deleted.")
-class HostConfiguration(models.Model):
- """Model to represent a complete configuration for a single physical host."""
-
- id = models.AutoField(primary_key=True)
- host = models.ForeignKey(GenericHost, related_name="configuration", on_delete=models.CASCADE)
- image = models.ForeignKey(Image, on_delete=models.PROTECT)
- bundle = models.ForeignKey(ConfigBundle, related_name="hostConfigurations", null=True, on_delete=models.CASCADE)
- is_head_node = models.BooleanField(default=False)
-
- def __str__(self):
- return "config with " + str(self.host) + " and image " + str(self.image)
-
-
-class HostOPNFVConfig(models.Model):
- role = models.ForeignKey(OPNFVRole, related_name="host_opnfv_configs", on_delete=models.CASCADE)
- host_config = models.ForeignKey(HostConfiguration, related_name="host_opnfv_config", on_delete=models.CASCADE)
- opnfv_config = models.ForeignKey(OPNFVConfig, related_name="host_opnfv_config", on_delete=models.CASCADE)
-
-
-class RemoteInfo(models.Model):
- address = models.CharField(max_length=15)
- mac_address = models.CharField(max_length=17)
- password = models.CharField(max_length=100)
- user = models.CharField(max_length=100)
- management_type = models.CharField(max_length=50, default="ipmi")
- versions = models.CharField(max_length=100) # json serialized list of floats
-
-
-def get_default_remote_info():
- return RemoteInfo.objects.get_or_create(
- address="default",
- mac_address="default",
- password="default",
- user="default",
- management_type="default",
- versions="[default]"
- )[0].pk
-
-
-# Concrete host, actual machine in a lab
-class Host(Resource):
- template = models.ForeignKey(GenericHost, on_delete=models.SET_NULL, null=True)
- booked = models.BooleanField(default=False)
- name = models.CharField(max_length=200, unique=True)
- bundle = models.ForeignKey(ResourceBundle, related_name='hosts', on_delete=models.SET_NULL, null=True)
- config = models.ForeignKey(HostConfiguration, null=True, related_name="configuration", on_delete=models.SET_NULL)
- labid = models.CharField(max_length=200, default="default_id")
- profile = models.ForeignKey(HostProfile, on_delete=models.CASCADE)
- lab = models.ForeignKey(Lab, on_delete=models.CASCADE)
- working = models.BooleanField(default=True)
- vendor = models.CharField(max_length=100, default="unknown")
- model = models.CharField(max_length=150, default="unknown")
- remote_management = models.ForeignKey(RemoteInfo, default=get_default_remote_info, on_delete=models.SET(get_default_remote_info))
-
- def __str__(self):
- return self.name
-
- def get_configuration(self, state):
- ipmi = state == ConfigState.NEW
- power = "off" if state == ConfigState.CLEAN else "on"
-
- return {
- "id": self.labid,
- "image": self.config.image.lab_id,
- "hostname": self.template.resource.name,
- "power": power,
- "ipmi_create": str(ipmi)
- }
-
- def release(self):
- self.booked = False
- self.save()
-
- def get_interfaces(self):
- return list(self.interfaces.all().order_by('bus_address'))
+class ResourceOPNFVConfig(models.Model):
+ role = models.ForeignKey(OPNFVRole, related_name="resource_opnfv_configs", on_delete=models.CASCADE)
+ resource_config = models.ForeignKey(ResourceConfiguration, related_name="resource_opnfv_config", on_delete=models.CASCADE)
+ opnfv_config = models.ForeignKey(OPNFVConfig, related_name="resource_opnfv_config", on_delete=models.CASCADE)
class Interface(models.Model):
mac_address = models.CharField(max_length=17)
bus_address = models.CharField(max_length=50)
config = models.ManyToManyField(Vlan)
- host = models.ForeignKey(Host, on_delete=models.CASCADE, related_name='interfaces')
+ acts_as = models.OneToOneField(InterfaceConfiguration, null=True, on_delete=models.SET_NULL)
profile = models.ForeignKey(InterfaceProfile, on_delete=models.CASCADE)
def __str__(self):
return self.mac_address + " on host " + str(self.host)
+"""
+Some Enums for dealing with global constants.
+"""
+
+
class OPNFV_SETTINGS():
"""This is a static configuration class."""
# all the required network types in PDF/IDF spec
NETWORK_ROLES = ["public", "private", "admin", "mgmt"]
+
+
+class ConfigState:
+ NEW = 0
+ RESET = 100
+ CLEAN = 200
+
+
+RESOURCE_TYPES = [Server]
+
+
+class ResourceQuery(AbstractModelQuery):
+ model_list = [Server]
from django.template.loader import render_to_string
import booking
-from resource_inventory.models import Host, InterfaceProfile
+from resource_inventory.models import Server, InterfaceProfile
class PDFTemplater:
)
jumphost = booking.resource.hosts.get(config=jumphost_opnfv_config.host_config)
else: # if there is no opnfv config, use headnode
- jumphost = Host.objects.filter(
+ jumphost = Server.objects.filter(
bundle=booking.resource,
config__is_head_node=True
).first()
def get_pdf_nodes(cls, booking):
"""Return a list of all the "nodes" (every host except jumphost)."""
pdf_nodes = []
- nodes = set(Host.objects.filter(bundle=booking.resource))
+ nodes = set(Server.objects.filter(bundle=booking.resource))
nodes.discard(cls.get_jumphost(booking))
for node in nodes:
##############################################################################
import re
-from dashboard.exceptions import (
- ResourceExistenceException,
- ResourceAvailabilityException,
- ResourceProvisioningException,
- ModelValidationException,
-)
+from dashboard.exceptions import ResourceAvailabilityException
+
from resource_inventory.models import (
- Host,
- HostConfiguration,
ResourceBundle,
- HostProfile,
Network,
Vlan,
PhysicalNetwork,
ResourceManager.instance = ResourceManager()
return ResourceManager.instance
- def getAvailableHostTypes(self, lab):
- hostset = Host.objects.filter(lab=lab).filter(booked=False).filter(working=True)
- hostprofileset = HostProfile.objects.filter(host__in=hostset, labs=lab)
- return set(hostprofileset)
-
- def hostsAvailable(self, grb):
+ def templateIsReservable(self, resource_template):
"""
- Check if the given GenericResourceBundle is available.
+ Check if the required resources to reserve this template is available.
No changes to the database
"""
# count up hosts
profile_count = {}
- for host in grb.getResources():
- if host.profile not in profile_count:
- profile_count[host.profile] = 0
- profile_count[host.profile] += 1
+ for config in resource_template.getConfigs():
+ if config.profile not in profile_count:
+ profile_count[config.profile] = 0
+ profile_count[config.profile] += 1
# check that all required hosts are available
for profile in profile_count.keys():
- available = Host.objects.filter(
- booked=False,
- working=True,
- lab=grb.lab,
- profile=profile
- ).count()
+ available = len(profile.get_resources(lab=resource_template.lab, unreserved=True))
needed = profile_count[profile]
if available < needed:
return False
# public interface
def deleteResourceBundle(self, resourceBundle):
- for host in Host.objects.filter(bundle=resourceBundle):
- host.release()
+ for resource in resourceBundle.get_resources():
+ resource.release()
resourceBundle.delete()
def get_vlans(self, genericResourceBundle):
networks[network.name] = vlan
return networks
- def convertResourceBundle(self, genericResourceBundle, config=None):
+ def instantiateTemplate(self, resource_template, config=None):
"""
- Convert a GenericResourceBundle into a ResourceBundle.
+ Convert a ResourceTemplate into a ResourceBundle.
- Takes in a genericResourceBundle and reserves all the
+ Takes in a ResourceTemplate and reserves all the
Resources needed and returns a completed ResourceBundle.
"""
- resource_bundle = ResourceBundle.objects.create(template=genericResourceBundle)
- generic_hosts = genericResourceBundle.getResources()
- physical_hosts = []
+ resource_bundle = ResourceBundle.objects.create(template=resource_template)
+ res_configs = resource_template.getConfigs()
+ resources = []
- vlan_map = self.get_vlans(genericResourceBundle)
+ vlan_map = self.get_vlans(resource_template)
- for generic_host in generic_hosts:
- host_config = None
- if config:
- host_config = HostConfiguration.objects.get(bundle=config, host=generic_host)
+ for config in res_configs:
try:
- physical_host = self.acquireHost(generic_host, genericResourceBundle.lab.name)
- except ResourceAvailabilityException:
- self.fail_acquire(physical_hosts, vlan_map, genericResourceBundle)
- raise ResourceAvailabilityException("Could not provision hosts, not enough available")
- try:
- physical_host.bundle = resource_bundle
- physical_host.template = generic_host
- physical_host.config = host_config
- physical_hosts.append(physical_host)
-
- self.configureNetworking(physical_host, vlan_map)
- except Exception:
- self.fail_acquire(physical_hosts, vlan_map, genericResourceBundle)
- raise ResourceProvisioningException("Network configuration failed.")
- try:
- physical_host.save()
- except Exception:
- self.fail_acquire(physical_hosts, vlan_map, genericResourceBundle)
- raise ModelValidationException("Saving hosts failed")
+ phys_res = self.acquireHost(config)
+ phys_res.bundle = resource_bundle
+ phys_res.config = config
+ resources.append(phys_res)
+
+ self.configureNetworking(phys_res, vlan_map)
+ phys_res.save()
+
+ except Exception as e:
+ self.fail_acquire(resources, vlan_map, resource_template)
+ raise e
return resource_bundle
)
# private interface
- def acquireHost(self, genericHost, labName):
- host_full_set = Host.objects.filter(lab__name__exact=labName, profile=genericHost.profile)
- if not host_full_set.first():
- raise ResourceExistenceException("No matching servers found")
- host_set = host_full_set.filter(booked=False, working=True)
- if not host_set.first():
- raise ResourceAvailabilityException("No unbooked hosts match requested hosts")
- host = host_set.first()
- host.booked = True
- host.template = genericHost
- host.save()
- return host
-
- def releaseNetworks(self, grb, vlan_manager, vlans):
+ def acquireHost(self, resource_config):
+ resources = resource_config.profile.get_resources(lab=resource_config.lab, unreserved=True)
+ try:
+ resource = resources[0] # TODO: should we randomize and 'load balance' the servers?
+ resource.config = resource_config
+ resource.reserve()
+ return resource
+ except IndexError:
+ raise ResourceAvailabilityException("No available resources of requested type")
+
+ def releaseNetworks(self, template, vlans):
+ vlan_manager = template.lab.vlan_manager
for net_name, vlan_id in vlans.items():
- net = Network.objects.get(name=net_name, bundle=grb)
+ net = Network.objects.get(name=net_name, bundle=template)
if(net.is_public):
vlan_manager.release_public_vlan(vlan_id)
else:
vlan_manager.release_vlans(vlan_id)
- def fail_acquire(self, hosts, vlans, grb):
- vlan_manager = grb.lab.vlan_manager
- self.releaseNetworks(grb, vlan_manager, vlans)
+ def fail_acquire(self, hosts, vlans, template):
+ self.releaseNetworks(template, vlans)
for host in hosts:
host.release()
else:
multiple_hosts = false
labs = {}
- hosts = {}
+ resources = {}
items = {}
neighbors = {}
for lab in Lab.objects.all():
'description': lab.description,
'selected': false,
'selectable': true,
- 'follow': false,
+ 'follow': multiple_hosts,
'multiple': false,
'class': 'lab'
}
- if multiple_hosts:
- # "follow" this lab node to discover more hosts if allowed
- lab_node['follow'] = true
items[lab_node['id']] = lab_node
neighbors[lab_node['id']] = []
labs[lab_node['id']] = lab_node
- for host in lab.hostprofiles.all():
- host_node = {
+ for template in lab.resourcetemplates.all():
+ resource_node = {
'form': {"name": "host_name", "type": "text", "placeholder": "hostname"},
- 'id': "host_" + str(host.id),
- 'model_id': host.id,
- 'name': host.name,
- 'description': host.description,
+ 'id': "resource_" + str(template.id),
+ 'model_id': template.id,
+ 'name': template.name,
+ 'description': template.description,
'selected': false,
'selectable': true,
'follow': false,
'class': 'host'
}
if multiple_hosts:
- host_node['values'] = [] # place to store multiple values
- items[host_node['id']] = host_node
- neighbors[lab_node['id']].append(host_node['id'])
- if host_node['id'] not in neighbors:
- neighbors[host_node['id']] = []
- neighbors[host_node['id']].append(lab_node['id'])
- hosts[host_node['id']] = host_node
-
- display_objects = [("lab", labs.values()), ("host", hosts.values())]
+ resource_node['values'] = [] # place to store multiple values
+ items[resource_node['id']] = resource_node
+ neighbors[lab_node['id']].append(resource_node['id'])
+ if resource_node['id'] not in neighbors:
+ neighbors[resource_node['id']] = []
+ neighbors[resource_node['id']].append(lab_node['id'])
+ resources[resource_node['id']] = resource_node
+
+ display_objects = [("lab", labs.values()), ("resource", resources.values())]
context = {
'display_objects': display_objects,
from workflow.forms import ConfirmationForm
from api.models import JobFactory
from dashboard.exceptions import ResourceAvailabilityException, ModelValidationException
-from resource_inventory.models import Image, GenericInterface, OPNFVConfig, HostOPNFVConfig, NetworkRole
+from resource_inventory.models import Image, InterfaceProfile, OPNFVConfig, ResourceOPNFVConfig, NetworkRole
from resource_inventory.resource_manager import ResourceManager
from resource_inventory.pdf_templater import PDFTemplater
from notifier.manager import NotificationHandler
if 'connections' in models:
for resource_name, mapping in models['connections'].items():
for profile_name, connection_set in mapping.items():
- interface = GenericInterface.objects.get(
+ interface = InterfaceConfiguration.objects.get(
profile__name=profile_name,
host__resource__name=resource_name,
host__resource__bundle=models['bundle']
Code Review / laas.git / commitdiff