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##############################################################################
# Copyright (c) 2018 Parker Berberian, Sawyer Bergeron, and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
from django.template.loader import render_to_string
import booking
from resource_inventory.models import Host, InterfaceProfile
class PDFTemplater:
"""
Utility class to create a full PDF yaml file
"""
@classmethod
def makePDF(cls, booking):
"""
fills the pod descriptor file template with info about the resource
"""
template = "dashboard/pdf.yaml"
info = {}
info['details'] = cls.get_pdf_details(booking.resource)
info['jumphost'] = cls.get_pdf_jumphost(booking)
info['nodes'] = cls.get_pdf_nodes(booking)
return render_to_string(template, context=info)
@classmethod
def get_pdf_details(cls, resource):
"""
Info for the "details" section
"""
details = {}
owner = "Anon"
email = "email@mail.com"
resource_lab = resource.template.lab
lab = resource_lab.name
location = resource_lab.location
pod_type = "development"
link = "https://wiki.opnfv.org/display/INF/Laas"
try:
# try to get more specific info that may fail, we dont care if it does
booking_owner = booking.models.Booking.objects.get(resource=resource).owner
owner = booking_owner.username
email = booking_owner.userprofile.email_addr
except Exception:
pass
details['contact'] = email
details['lab'] = lab
details['link'] = link
details['owner'] = owner
details['location'] = location
details['type'] = pod_type
return details
@classmethod
def get_jumphost(cls, booking):
jumphost = None
if booking.opnfv_config:
jumphost_opnfv_config = booking.opnfv_config.host_opnfv_config.get(
role__name__iexact="jumphost"
)
jumphost = booking.resource.hosts.get(config=jumphost_opnfv_config.host_config)
else: # if there is no opnfv config, use headnode
jumphost = Host.objects.filter(
bundle=booking.resource,
config__is_head_node=True
).first()
return jumphost
@classmethod
def get_pdf_jumphost(cls, booking):
"""
returns a dict of all the info for the "jumphost" section
"""
jumphost = cls.get_jumphost(booking)
jumphost_info = cls.get_pdf_host(jumphost)
jumphost_info['os'] = jumphost.config.image.os.name
return jumphost_info
@classmethod
def get_pdf_nodes(cls, booking):
"""
returns a list of all the "nodes" (every host except jumphost)
"""
pdf_nodes = []
nodes = set(Host.objects.filter(bundle=booking.resource))
nodes.discard(cls.get_jumphost(booking))
for node in nodes:
pdf_nodes.append(cls.get_pdf_host(node))
return pdf_nodes
@classmethod
def get_pdf_host(cls, host):
"""
method to gather all needed info about a host
returns a dict
"""
host_info = {}
host_info['name'] = host.template.resource.name
host_info['node'] = cls.get_pdf_host_node(host)
host_info['disks'] = []
for disk in host.profile.storageprofile.all():
host_info['disks'].append(cls.get_pdf_host_disk(disk))
host_info['interfaces'] = []
for interface in host.interfaces.all():
host_info['interfaces'].append(cls.get_pdf_host_iface(interface))
host_info['remote'] = cls.get_pdf_host_remote_management(host)
return host_info
@classmethod
def get_pdf_host_node(cls, host):
"""
returns "node" info for a given host
"""
d = {}
d['type'] = "baremetal"
d['vendor'] = host.vendor
d['model'] = host.model
d['memory'] = str(host.profile.ramprofile.first().amount) + "G"
cpu = host.profile.cpuprofile.first()
d['arch'] = cpu.architecture
d['cpus'] = cpu.cpus
d['cores'] = cpu.cores
cflags = cpu.cflags
if cflags and cflags.strip():
d['cpu_cflags'] = cflags
else:
d['cpu_cflags'] = "none"
return d
@classmethod
def get_pdf_host_disk(cls, disk):
"""
returns a dict describing the given disk
"""
disk_info = {}
disk_info['name'] = disk.name
disk_info['capacity'] = str(disk.size) + "G"
disk_info['type'] = disk.media_type
disk_info['interface'] = disk.interface
disk_info['rotation'] = disk.rotation
return disk_info
@classmethod
def get_pdf_host_iface(cls, interface):
"""
returns a dict describing given interface
"""
iface_info = {}
iface_info['features'] = "none"
iface_info['mac_address'] = interface.mac_address
iface_info['name'] = interface.name
speed = "unknown"
try:
profile = InterfaceProfile.objects.get(host=interface.host.profile, name=interface.name)
speed = str(int(profile.speed / 1000)) + "gb"
except Exception:
pass
iface_info['speed'] = speed
return iface_info
@classmethod
def get_pdf_host_remote_management(cls, host):
"""
gives the remote params of the host
"""
man = host.remote_management
mgmt = {}
mgmt['address'] = man.address
mgmt['mac_address'] = man.mac_address
mgmt['pass'] = man.password
mgmt['type'] = man.management_type
mgmt['user'] = man.user
mgmt['versions'] = [man.versions]
return mgmt
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