def template_to_instance(template, hostname, owner):
"""
Instantiate a VM template with a given hostname and owner.
"""
cluster = template.cluster
beparams = {
"vcpus": template.vcpus,
}
hvparams = {}
hv = template.hypervisor or cluster.info["default_hypervisor"]
kvm = hv == 'kvm'
pvm = hv == 'xen-pvm'
hvm = hv == 'xen-hvm'
kvm_or_hvm = kvm or hvm
kvm_or_pvm = kvm or pvm
if kvm_or_hvm:
hvparams.update(boot_order=template.boot_order)
hvparams.update(cdrom_image_path=template.cdrom_image_path)
hvparams.update(nic_type=template.nic_type)
hvparams.update(disk_type=template.disk_type)
if kvm_or_pvm:
hvparams.update(kernel_path=template.kernel_path)
hvparams.update(root_path=template.root_path)
if kvm:
hvparams.update(cdrom2_image_path=template.cdrom2_image_path)
hvparams.update(serial_console=template.serial_console)
memory = template.memory
if has_balloonmem(cluster):
minram = template.minmem
beparams['minmem'] = minram
beparams['maxmem'] = memory
else:
beparams['memory'] = memory
vcpus = template.vcpus
disk_size = template.disks[0]["size"]
kwargs = {
"os": template.os,
"hypervisor": hv,
"ip_check": template.ip_check,
"name_check": template.name_check,
"beparams": beparams,
"no_install": template.no_install,
"start": template.start,
"hvparams": hvparams,
}
# Using auto allocator
if template.iallocator:
default_iallocator = cluster.info['default_iallocator']
kwargs.update(iallocator=default_iallocator)
# Not using allocator, pass pnode
else:
kwargs.update(pnode=template.pnode)
# Also pass in snode if it exists (drdb)
if template.snode:
kwargs.update(snode=template.snode)
# secondary node isn't set but we're using drdb, so programming error
# (this shouldn't happen if form validation is done correctly)
elif template.disk_template == 'drdb':
msg = 'Disk template set to drdb, but no secondary node set'
raise RuntimeError(msg)
job_id = cluster.rapi.CreateInstance('create', hostname,
template.disk_template,
template.disks, template.nics,
**kwargs)
vm = VirtualMachine()
vm.cluster = cluster
vm.hostname = hostname
vm.ram = memory
if has_balloonmem(cluster):
vm.minram = minram
vm.virtual_cpus = vcpus
vm.disk_size = disk_size
vm.owner = owner
vm.ignore_cache = True
# Do a dance to get the VM and the job referencing each other.
vm.save()
job = Job.objects.create(job_id=job_id, obj=vm, cluster=cluster)
job.save()
vm.last_job = job
vm.save()
# Grant admin permissions to the owner.
owner.permissable.grant('admin', vm)
return vm
def template_to_instance(template, hostname, owner):
"""
Instantiate a VM template with a given hostname and owner.
"""
cluster = template.cluster
beparams = {
"vcpus": template.vcpus,
}
hvparams = {}
hv = template.hypervisor or cluster.info["default_hypervisor"]
kvm = hv == 'kvm'
pvm = hv == 'xen-pvm'
hvm = hv == 'xen-hvm'
kvm_or_hvm = kvm or hvm
kvm_or_pvm = kvm or pvm
if kvm_or_hvm:
hvparams.update(boot_order=template.boot_order)
hvparams.update(cdrom_image_path=template.cdrom_image_path)
hvparams.update(nic_type=template.nic_type)
hvparams.update(disk_type=template.disk_type)
if kvm_or_pvm:
hvparams.update(kernel_path=template.kernel_path)
hvparams.update(root_path=template.root_path)
if kvm:
hvparams.update(cdrom2_image_path=template.cdrom2_image_path)
hvparams.update(serial_console=template.serial_console)
memory = template.memory
if has_balloonmem(cluster):
minram = template.minmem
beparams['minmem'] = minram
beparams['maxmem'] = memory
else:
beparams['memory'] = memory
vcpus = template.vcpus
disk_size = template.disks[0]["size"]
kwargs = {
"os": template.os,
"hypervisor": hv,
"ip_check": template.ip_check,
"name_check": template.name_check,
"beparams": beparams,
"no_install": template.no_install,
"start": template.start,
"hvparams": hvparams,
}
# Using auto allocator
if template.iallocator:
default_iallocator = cluster.info['default_iallocator']
kwargs.update(iallocator=default_iallocator)
# Not using allocator, pass pnode
else:
kwargs.update(pnode=template.pnode)
# Also pass in snode if it exists (drdb)
if template.snode:
kwargs.update(snode=template.snode)
# secondary node isn't set but we're using drdb, so programming error
# (this shouldn't happen if form validation is done correctly)
elif template.disk_template == 'drdb':
msg = 'Disk template set to drdb, but no secondary node set'
raise RuntimeError(msg)
job_id = cluster.rapi.CreateInstance('create', hostname,
template.disk_template,
template.disks, template.nics,
**kwargs)
vm = VirtualMachine()
vm.cluster = cluster
vm.hostname = hostname
vm.ram = memory
if has_balloonmem(cluster):
vm.minram = minram
vm.virtual_cpus = vcpus
vm.disk_size = disk_size
vm.owner = owner
vm.ignore_cache = True
# Do a dance to get the VM and the job referencing each other.
vm.save()
job = Job.objects.create(job_id=job_id, obj=vm, cluster=cluster)
job.save()
vm.last_job = job
vm.save()
# Grant admin permissions to the owner.
owner.permissable.grant('admin', vm)
return vm
