def configure_host_by_mac(mac_addr):
avl_private_ip = None
ip_info = db.private_ip_pool(mac_addr=mac_addr)
if ip_info:
avl_private_ip = ip_info.private_ip
else:
avl_ip = db((~db.private_ip_pool.id.belongs(db()._select(db.host.host_ip)))
& (db.private_ip_pool.vlan == HOST_VLAN_ID)).select(db.private_ip_pool.private_ip)
if avl_ip.first():
ip_info = avl_ip.first()
avl_private_ip = ip_info['private_ip']
if avl_private_ip:
logger.debug('Available IP for mac address %s is %s'%(mac_addr, avl_private_ip))
host_name = 'host'+str(avl_private_ip.split('.')[3])
create_dhcp_entry(host_name, mac_addr, avl_private_ip)
db.host[0] = dict(host_ip=ip_info['id'],
host_name=host_name,
mac_addr=mac_addr,
status=HOST_STATUS_DOWN)
return 'Host configured. Proceed for PXE boot.'
else:
logger.error('Available Private IPs for host are exhausted.')
return 'Available Private IPs for host are exhausted.'
def add_orphan_vm(vm_name, host_id):
host_details = db.host[host_id]
host_ip = host_details.host_ip.private_ip
connection_object = libvirt.openReadOnly("qemu+ssh://root@" + host_ip +
"/system")
domain = connection_object.lookupByName(vm_name)
vm_state = domain.info()[0]
vm_status = vm_state_map[vm_state]
# Parse domain XML to get information about VM
root = etree.fromstring(domain.XMLDesc(0))
ram_elem = root.xpath('memory')[0]
ram_in_kb = int(ram_elem.text)
ram_in_mb = int(round(int(ram_in_kb) / (1024), 0))
cpu_elem = root.xpath('vcpu')[0]
cpu = int(cpu_elem.text)
vnc_elem = root.xpath("devices/graphics[@type='vnc']")[0]
vnc_port = vnc_elem.attrib['port']
mac_elem = root.xpath("devices/interface[@type='network']/mac")[0]
mac_address = mac_elem.attrib['address']
ip_addr = db.private_ip_pool(mac_addr=mac_address)
ip_address = None
if ip_addr:
ip_address = ip_addr['id']
template_elem = root.xpath("devices/disk[@type='file']/source")[0]
template_file = template_elem.attrib['file']
command = "qemu-img info " + template_file + " | grep 'virtual size'"
ret = execute_remote_cmd(
host_ip, 'root',
command) # Returns e.g. virtual size: 40G (42949672960 bytes)
hdd = int(ret[ret.index(':') + 1:ret.index('G ')].strip())
security_domain_row = db.security_domain(vlan=ip_addr['vlan'])
db.vm_data.insert(
vm_name=vm_name,
vm_identity=(vm_name),
RAM=ram_in_mb,
HDD=hdd,
extra_HDD=0,
vCPU=cpu,
host_id=host_id,
template_id=1, #TBD
datastore_id=1, #TBD
owner_id=SYSTEM_USER,
requester_id=SYSTEM_USER,
private_ip=ip_address,
vnc_port=vnc_port,
purpose='Added by System',
security_domain=security_domain_row['id'],
status=vm_status)
return
def configure_host_by_mac(mac_addr):
avl_private_ip = None
ip_info = db.private_ip_pool(mac_addr=mac_addr)
if ip_info:
avl_private_ip = ip_info.private_ip
else:
avl_ip = db((~db.private_ip_pool.id.belongs(db()._select(db.host.host_ip)))
& (db.private_ip_pool.vlan == HOST_VLAN_ID)).select(db.private_ip_pool.private_ip)
if avl_ip.first():
ip_info = avl_ip.first()
avl_private_ip = ip_info['private_ip']
if avl_private_ip:
logger.debug('Available IP for mac address %s is %s'%(mac_addr, avl_private_ip))
host_name = 'host'+str(avl_private_ip.split('.')[3])
create_dhcp_entry(host_name, mac_addr, avl_private_ip)
db.host[0] = dict(host_ip=ip_info['id'],
host_name=host_name,
mac_addr=mac_addr,
status=HOST_STATUS_DOWN)
return 'Host configured. Proceed for PXE boot.'
else:
logger.error('Available Private IPs for host are exhausted.')
return 'Available Private IPs for host are exhausted.'
def add_orphan_vm(vm_name, host_id):
"""
Add Orphan VM information to database. VM information is retrieved from the VM definition XML.
'System User' is added as owner of the VM.
"""
host_details = db.host[host_id]
host_ip = host_details.host_ip.private_ip
connection_object = libvirt.openReadOnly("qemu+ssh://root@" + host_ip + "/system")
domain = connection_object.lookupByName(vm_name)
vm_state = domain.info()[0]
vm_status = vm_state_map[vm_state]
# Parse domain XML to get information about VM
root = etree.fromstring(domain.XMLDesc(0))
ram_elem = root.xpath('memory')[0]
ram_in_kb = int(ram_elem.text)
ram_in_mb = int(round(int(ram_in_kb)/(1024),0))
cpu_elem = root.xpath('vcpu')[0]
cpu = int(cpu_elem.text)
vnc_elem = root.xpath("devices/graphics[@type='vnc']")[0]
vnc_port = vnc_elem.attrib['port']
mac_elem = root.xpath("devices/interface[@type='network']/mac")[0]
mac_address = mac_elem.attrib['address']
ip_addr = db.private_ip_pool(mac_addr = mac_address)
ip_address = None
if ip_addr:
ip_address = ip_addr['id']
template_elem = root.xpath("devices/disk[@type='file']/source")[0]
template_file = template_elem.attrib['file']
command = "qemu-img info " + template_file + " | grep 'virtual size'"
ret = execute_remote_cmd(host_ip, 'root', command) # Returns e.g. virtual size: 40G (42949672960 bytes)
hdd = int(ret[ret.index(':')+1:ret.index('G ')].strip())
security_domain_row = db.security_domain(vlan=ip_addr['vlan'])
db.vm_data.insert(
vm_name = vm_name,
vm_identity = (vm_name),
RAM = ram_in_mb,
HDD = hdd,
extra_HDD = 0,
vCPU = cpu,
host_id = host_id,
template_id = 1, #TBD
datastore_id = 1, #TBD
owner_id = SYSTEM_USER,
requester_id = SYSTEM_USER,
private_ip = ip_address,
vnc_port = vnc_port,
purpose = 'Added by System',
security_domain = security_domain_row['id'],
status = vm_status)
return
def exec_launch_vm_image(vm_id, vm_users, extra_disk_list):
#Get VM details
vm_details = db.vm_data[vm_id]
#Make entry into user_vm_map
add_vm_users(vm_id, vm_details.requester_id, vm_details.owner_id, vm_users)
if vm_details.private_ip != None:
private_ip_info = db.private_ip_pool(private_ip=vm_details.private_ip)
if not private_ip_info:
vlan_id = db.security_domain[vm_details.security_domain].vlan.id
ip_pool_id = db.private_ip_pool.insert(
private_ip=vm_details.private_ip, vlan=vlan_id)
#Add DHCP entry for private IP
add_private_ip(ip_pool_id)
for extra_disk in extra_disk_list:
db.attached_disks.insert(vm_id=vm_details.id,
datastore_id=vm_details.datastore_id,
capacity=0,
attached_disk_name=extra_disk)
# Call Launch VM Image
launch_existing_vm_image(vm_details)
def delete_host_from_db(host_id):
host_data = db.host[host_id]
host_ip = host_data.host_ip.private_ip
private_ip_data = db.private_ip_pool(private_ip = host_ip)
if private_ip_data:
remove_dhcp_entry(host_data.host_name, private_ip_data['private_ip'])
db(db.scheduler_task.uuid == (UUID_VM_UTIL_RRD + "=" + str(host_ip))).delete()
del db.host[host_id]
def delete_host_from_db(host_id):
host_data = db.host[host_id]
host_ip = host_data.host_ip.private_ip
private_ip_data = db.private_ip_pool(private_ip = host_ip)
if private_ip_data:
remove_dhcp_entry(host_data.host_name, private_ip_data['private_ip'])
db(db.scheduler_task.uuid == (UUID_VM_UTIL_RRD + "=" + str(host_ip))).delete()
del db.host[host_id]
def add_private_ip_range(rangeFrom, rangeTo, vlan):
failed = 0
dhcp_info_list = []
for ip_addr in get_ips_in_range(rangeFrom, rangeTo):
mac_address = None
if vlan != HOST_VLAN_ID:
while True:
mac_address = generate_random_mac()
if not (db.private_ip_pool(mac_addr=mac_address)):break
if(db.private_ip_pool(private_ip=ip_addr)):
failed += 1
else:
db.private_ip_pool.insert(private_ip=ip_addr, mac_addr=mac_address, vlan=vlan)
if vlan != HOST_VLAN_ID:
dhcp_info_list.append((None, mac_address, ip_addr))
create_dhcp_bulk_entry(dhcp_info_list)
return failed
def add_private_ip_range(rangeFrom, rangeTo, vlan):
failed = 0
dhcp_info_list = []
for ip_addr in get_ips_in_range(rangeFrom, rangeTo):
mac_address = None
if vlan != HOST_VLAN_ID:
while True:
mac_address = generate_random_mac()
if not (db.private_ip_pool(mac_addr=mac_address)):break
if(db.private_ip_pool(private_ip=ip_addr)):
failed += 1
else:
db.private_ip_pool.insert(private_ip=ip_addr, mac_addr=mac_address, vlan=vlan)
if vlan != HOST_VLAN_ID:
dhcp_info_list.append((None, mac_address, ip_addr))
create_dhcp_bulk_entry(dhcp_info_list)
return failed
def add_private_ip(ip_pool_id):
private_ip_pool = db.private_ip_pool[ip_pool_id]
if private_ip_pool.vlan != HOST_VLAN_ID:
mac_address = private_ip_pool.mac_addr
if mac_address == None:
while True:
mac_address = generate_random_mac()
if not (db.private_ip_pool(mac_addr=mac_address)):break
#Update generated mac address in DB
private_ip_pool.update_record(mac_addr=mac_address)
create_dhcp_entry(None, mac_address, private_ip_pool.private_ip)
def add_private_ip(ip_pool_id):
private_ip_pool = db.private_ip_pool[ip_pool_id]
if private_ip_pool.vlan != HOST_VLAN_ID:
mac_address = private_ip_pool.mac_addr
if mac_address == None:
while True:
mac_address = generate_random_mac()
if not (db.private_ip_pool(mac_addr=mac_address)):break
#Update generated mac address in DB
private_ip_pool.update_record(mac_addr=mac_address)
create_dhcp_entry(None, mac_address, private_ip_pool.private_ip)
def get_private_ip_ref_link(row):
"""Returns link to VM settings page if IP is assigned to a VM
or to host details page if IP is assigned to a Host"""
vm_data = db.private_ip_pool(private_ip=row.id)
host_data = db.host(host_ip=row.id)
if vm_data:
return A(vm_data.vm_name,
_href=URL(r=request, c='user', f='settings', args=vm_data.id))
elif host_data:
return A(host_data.host_name,
_href=URL(r=request,
c='admin',
f='host_config',
args=host_data.id))
else:
return 'Unassigned'
def get_host_form(host_ip):
form = get_add_host_form()
private_ip_data = db.private_ip_pool(private_ip = host_ip)
if private_ip_data:
form.vars.host_ip = private_ip_data.id
form.vars.host_name = 'host'+str(host_ip.split('.')[3])
if is_host_available(host_ip):
form.vars.CPUs = get_host_cpu(host_ip)
form.vars.RAM = get_host_ram(host_ip)
form.vars.HDD = get_host_hdd(host_ip)
form.vars.host_type = get_host_type(host_ip)
form.vars.status = HOST_STATUS_UP
else:
form.vars.status = HOST_STATUS_DOWN
return form
def get_host_form(host_ip):
form = get_add_host_form()
private_ip_data = db.private_ip_pool(private_ip = host_ip)
if private_ip_data:
form.vars.host_ip = private_ip_data.id
form.vars.host_name = 'host'+str(host_ip.split('.')[3])
if is_host_available(host_ip):
form.vars.CPUs = get_host_cpu(host_ip)
form.vars.RAM = get_host_ram(host_ip)
form.vars.HDD = get_host_hdd(host_ip)
form.vars.host_type = get_host_type(host_ip)
form.vars.status = HOST_STATUS_UP
else:
form.vars.status = HOST_STATUS_DOWN
return form
def launch_vm_image_validation(form):
requester_name = request.post_vars.requester_user
requester_info = get_user_info(requester_name)
if requester_info != None:
form.vars.requester_id = requester_info[0]
else:
form.errors.requester_user = '******'
owner_name = request.post_vars.owner_user
owner_info = get_user_info(owner_name)
if owner_info != None:
form.vars.owner_id = owner_info[0]
else:
form.errors.owner_user = '******'
#Verify if qcow2 image is present
(vm_image_name,
image_present) = get_vm_image_location(form.vars.datastore_id,
form.vars.vm_identity)
if not image_present:
form.errors.vm_identity = vm_image_name + ' not found'
if form.vars.private_ip.strip() != '':
#Verify if public IP is available
if is_valid_ipv4(form.vars.private_ip):
# Verify if IP valid in given security domain
security_domain = db.security_domain[form.vars.security_domain]
sd_ip_range = security_domain.vlan.vlan_addr
vlan_ip_prefix = sd_ip_range[:sd_ip_range.rindex('.') + 1]
if not form.vars.private_ip.startswith(vlan_ip_prefix):
form.errors.private_ip = 'Private IP is not valid for given security domain'
else:
# Check if IP is already assigned
private_ip_info = db.private_ip_pool(
private_ip=form.vars.private_ip)
if private_ip_info:
if private_ip_info.vm_id != None:
form.errors.private_ip = 'Private IP is not available'
else:
form.errors.private_ip = 'Private IP is not valid'
else:
form.vars.private_ip = None
if form.vars.public_ip != PUBLIC_IP_NOT_ASSIGNED:
#Check if Valid IP
if is_valid_ipv4(form.vars.public_ip):
public_ip_info = db.public_ip_pool(public_ip=form.vars.public_ip)
if public_ip_info:
if public_ip_info.vm_id != None:
form.errors.public_ip = 'Public IP is not available'
else:
form.errors.public_ip = 'Public IP is not configured'
elif form.vars.public_ip == '':
form.vars.public_ip = None
else:
form.errors.public_ip = 'Public IP is not valid'
if not form.errors:
vm_users = request.post_vars.vm_users
user_list = []
if vm_users and len(vm_users) > 1:
for vm_user in vm_users[1:-1].split('|'):
user_list.append(
db(db.user.username == vm_user).select(
db.user.id).first()['id'])
form.vars.collaborators = user_list
template_info = db.template[form.vars.template_id]
form.vars.HDD = template_info.hdd
extra_disks = request.post_vars.extra_disks
disk_list = []
if extra_disks and len(extra_disks) > 1:
for extra_disk in extra_disks[1:-1].split('|'):
disk_list.append(extra_disk)
form.vars.extra_disk_list = disk_list
