dynamicweb/datacenterlight/management/commands/fetchvmtemplates.py
2018-05-24 04:14:53 +05:30

43 lines
1.5 KiB
Python

from django.core.management.base import BaseCommand
from opennebula_api.models import OpenNebulaManager
from datacenterlight.models import VMTemplate
import logging
logger = logging.getLogger(__name__)
class Command(BaseCommand):
help = '''Fetches the VM templates from OpenNebula and populates the dcl
VMTemplate model'''
def get_templates(self, manager, prefix):
templates = manager.get_templates('%s-' % prefix)
dcl_vm_templates = []
for template in templates:
template_name = template.name.lstrip('%s-' % prefix)
template_id = template.id
dcl_vm_template = VMTemplate.create(
template_name, template_id, prefix
)
dcl_vm_templates.append(dcl_vm_template)
return dcl_vm_templates
def handle(self, *args, **options):
try:
manager = OpenNebulaManager()
dcl_vm_templates = []
dcl_vm_templates.extend(
self.get_templates(manager, VMTemplate.PUBLIC)
)
dcl_vm_templates.extend(
self.get_templates(manager, VMTemplate.IPV6)
)
old_vm_templates = VMTemplate.objects.all()
old_vm_templates.delete()
for dcl_vm_template in dcl_vm_templates:
dcl_vm_template.save()
except Exception as e:
logger.error('Error connecting to OpenNebula. Error Details: '
'{err}'.format(err=str(e)))