import hashlib
import os
import imp
+from netaddr import IPNetwork, IPAddress, all_matching_cidrs
#import only if needed because not needed in test mode. To allow an easier installation import RADclass
from jsonschema import validate as js_v, exceptions as js_e
import host_thread as ht
if config_dic['network_type'] == 'ovs':
# create bridge
+ create_dhcp_ovs_bridge()
config_dic['host_threads'][content['uuid']].insert_task("new-ovsbridge")
# check if more host exist
create_vxlan_mesh(content['uuid'])
return
+def get_dhcp_controller():
+ """
+ Create an host_thread object for manage openvim controller and not create a thread for itself
+ :return: dhcp_host openvim controller object
+ """
+
+ if 'openvim_controller' in config_dic['host_threads']:
+ return config_dic['host_threads']['openvim_controller']
+
+ bridge_ifaces = []
+ controller_ip = config_dic['ovs_controller_ip']
+ ovs_controller_user = config_dic['ovs_controller_user']
+
+ host_test_mode = True if config_dic['mode'] == 'test' or config_dic['mode'] == "OF only" else False
+ host_develop_mode = True if config_dic['mode'] == 'development' else False
+
+ dhcp_host = ht.host_thread(name='openvim_controller', user=ovs_controller_user, host=controller_ip, db=config_dic['db'],
+ db_lock=config_dic['db_lock'], test=host_test_mode,
+ image_path=config_dic['image_path'], version=config_dic['version'],
+ host_id='openvim_controller', develop_mode=host_develop_mode,
+ develop_bridge_iface=bridge_ifaces)
+
+ config_dic['host_threads']['openvim_controller'] = dhcp_host
+ dhcp_host.ssh_connect()
+ return dhcp_host
+
+
+def delete_dhcp_ovs_bridge(vlan, net_uuid):
+ """
+ Delete bridges and port created during dhcp launching at openvim controller
+ :param vlan: net vlan id
+ :param net_uuid: network identifier
+ :return:
+ """
+ dhcp_path = config_dic['ovs_controller_file_path']
+
+ controller_host = get_dhcp_controller()
+ controller_host.delete_dhcp_port(vlan, net_uuid)
+ controller_host.delete_dhcp_server(vlan, net_uuid, dhcp_path)
+
+
+def create_dhcp_ovs_bridge():
+ """
+ Initialize bridge to allocate the dhcp server at openvim controller
+ :return:
+ """
+ controller_host = get_dhcp_controller()
+ controller_host.create_ovs_bridge()
+
+
+def set_mac_dhcp(vm_ip, vlan, first_ip, last_ip, cidr, mac):
+ """"
+ Launch a dhcpserver base on dnsmasq attached to the net base on vlan id across the the openvim computes
+ :param vm_ip: IP address asigned to a VM
+ :param vlan: Segmentation id
+ :param first_ip: First dhcp range ip
+ :param last_ip: Last dhcp range ip
+ :param cidr: net cidr
+ :param mac: VM vnic mac to be macthed with the IP received
+ """
+ if not vm_ip:
+ return
+ ip_tools = IPNetwork(cidr)
+ cidr_len = ip_tools.prefixlen
+ dhcp_netmask = str(ip_tools.netmask)
+ dhcp_path = config_dic['ovs_controller_file_path']
+
+ new_cidr = [first_ip + '/' + str(cidr_len)]
+ if not len(all_matching_cidrs(vm_ip, new_cidr)):
+ vm_ip = None
+
+ controller_host = get_dhcp_controller()
+ controller_host.set_mac_dhcp_server(vm_ip, mac, vlan, dhcp_netmask, dhcp_path)
+
+
+def delete_mac_dhcp(vm_ip, vlan, mac):
+ """
+ Delete into dhcp conf file the ip assigned to a specific MAC address
+ :param vm_ip: IP address asigned to a VM
+ :param vlan: Segmentation id
+ :param mac: VM vnic mac to be macthed with the IP received
+ :return:
+ """
+
+ dhcp_path = config_dic['ovs_controller_file_path']
+
+ controller_host = get_dhcp_controller()
+ controller_host.delete_mac_dhcp_server(vm_ip, mac, vlan, dhcp_path)
+
+
+def launch_dhcp_server(vlan, first_ip, last_ip, cidr):
+ """
+ Launch a dhcpserver base on dnsmasq attached to the net base on vlan id across the the openvim computes
+ :param vlan: vlan identifier
+ :param first_ip: First dhcp range ip
+ :param last_ip: Last dhcp range ip
+ :param cidr: net cidr
+ :return:
+ """
+ ip_tools = IPNetwork(cidr)
+ dhcp_netmask = str(ip_tools.netmask)
+ ip_range = [first_ip, last_ip]
+ dhcp_path = config_dic['ovs_controller_file_path']
+
+ controller_host = get_dhcp_controller()
+ controller_host.create_linux_bridge(vlan)
+ controller_host.create_dhcp_interfaces(vlan, first_ip, dhcp_netmask)
+ controller_host.launch_dhcp_server(vlan, ip_range, dhcp_netmask, dhcp_path)
+
+
def create_vxlan_mesh(host_id):
+ """
+ Create vxlan mesh across all openvimc controller and computes.
+ :param host_id: host identifier
+ :param host_id: host identifier
+ :return:
+ """
+ dhcp_compute_name = get_vxlan_interface("dhcp")
existing_hosts = get_hosts()
- if len(existing_hosts['hosts']) > 1:
+ if len(existing_hosts['hosts']) > 0:
+ # vlxan mesh creation between openvim controller and computes
computes_available = existing_hosts['hosts']
+ controller_host = get_dhcp_controller()
+ for compute in computes_available:
+ vxlan_interface_name = get_vxlan_interface(compute['id'][:8])
+ config_dic['host_threads'][compute['id']].insert_task("new-vxlan", dhcp_compute_name, controller_host.host)
+ controller_host.create_ovs_vxlan_tunnel(vxlan_interface_name, compute['ip_name'])
- # TUNEL openvim controller
-
+ # vlxan mesh creation between openvim computes
for count, compute_owner in enumerate(computes_available):
for compute in computes_available:
if compute_owner['id'] == compute['id']:
pass
else:
vxlan_interface_name = get_vxlan_interface(compute_owner['id'][:8])
+ controller_host.create_ovs_vxlan_tunnel(vxlan_interface_name, compute_owner['ip_name'])
config_dic['host_threads'][compute['id']].insert_task("new-vxlan",
vxlan_interface_name,
compute_owner['ip_name'])
"""
existing_hosts = get_hosts()
computes_available = existing_hosts['hosts']
+ #
vxlan_interface_name = get_vxlan_interface(host_id[:8])
-
+ controller_host = get_dhcp_controller()
+ controller_host.delete_ovs_vxlan_tunnel(vxlan_interface_name)
+ # remove bridge from openvim controller if no more computes exist
+ if len(existing_hosts):
+ controller_host.delete_ovs_bridge()
+ # Remove vxlan mesh
for compute in computes_available:
if host_id == compute['id']:
pass
else:
- config_dic['host_threads'][compute['id']].insert_task("del-vxlan",vxlan_interface_name)
+ controller_host.delete_ovs_vxlan_tunnel(vxlan_interface_name)
+ config_dic['host_threads'][compute['id']].insert_task("del-vxlan", vxlan_interface_name)
def get_vxlan_interface(local_uuid):
print
if server_start == 'no':
content['status'] = 'INACTIVE'
+ dhcp_nets_id = []
+ for net in http_content['server']['networks']:
+ if net['type'] == 'instance:ovs':
+ dhcp_nets_id.append(get_network_id(net['net_id']))
+
ports_to_free=[]
new_instance_result, new_instance = my.db.new_instance(content, nets, ports_to_free)
if new_instance_result < 0:
print ':http_post_servers ERROR UPDATING NETS !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!' + c
-
- #look for dhcp ip address
- r2, c2 = my.db.get_table(FROM="ports", SELECT=["mac", "net_id"], WHERE={"instance_id": new_instance})
+ #look for dhcp ip address
+ r2, c2 = my.db.get_table(FROM="ports", SELECT=["mac", "ip_address", "net_id"], WHERE={"instance_id": new_instance})
if r2 >0:
for iface in c2:
if config_dic.get("dhcp_server") and iface["net_id"] in config_dic["dhcp_nets"]:
server_net = get_network_id(iface['net_id'])
if server_net["network"].get('provider:physical', "")[:3] == 'OVS':
vlan = str(server_net['network']['provider:vlan'])
- config_dic['host_threads'][server['host_id']].insert_task("create-ovs-bridge-port", vlan)
+ dhcp_enable = bool(server_net['network']['enable_dhcp'])
+ if dhcp_enable:
+ dhcp_firt_ip = str(server_net['network']['dhcp_first_ip'])
+ dhcp_last_ip = str(server_net['network']['dhcp_last_ip'])
+ dhcp_cidr = str(server_net['network']['cidr'])
+ vm_dhcp_ip = c2[0]["ip_address"]
+ config_dic['host_threads'][server['host_id']].insert_task("create-ovs-bridge-port", vlan)
+
+ set_mac_dhcp(vm_dhcp_ip, vlan, dhcp_firt_ip, dhcp_last_ip, dhcp_cidr, c2[0]['mac'])
+ launch_dhcp_server(vlan, dhcp_firt_ip, dhcp_last_ip, dhcp_cidr)
+
#Start server
-
server['uuid'] = new_instance
server_start = server.get('start', 'yes')
if server_start != 'no':
- server['paused'] = True if server_start == 'paused' else False
+ server['paused'] = True if server_start == 'paused' else False
server['action'] = {"start":None}
server['status'] = "CREATING"
#Program task
print ':http_post_servers ERROR UPDATING dhcp_server !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!' + c
# delete ovs-port and linux bridge, contains a list of tuple (net_id,vlan)
for net in net_ovs_list:
+ mac = str(net[3])
+ vm_ip = str(net[2])
vlan = str(net[1])
net_id = net[0]
+ delete_dhcp_ovs_bridge(vlan, net_id)
+ delete_mac_dhcp(vm_ip, vlan, mac)
config_dic['host_threads'][server['host_id']].insert_task('del-ovs-port', vlan, net_id)
return format_out(data)
print "http_get_networks error %d %s" % (result, content)
bottle.abort(-result, content)
else:
- convert_boolean(content, ('shared', 'admin_state_up', 'enable_dhcp') )
+ convert_boolean(content, ('shared', 'admin_state_up', 'enable_dhcp'))
delete_nulls(content)
change_keys_http2db(content, http2db_network, reverse=True)
data={'networks' : content}
print "http_get_networks_id network '%s' not found" % network_id
bottle.abort(HTTP_Not_Found, 'network %s not found' % network_id)
else:
- convert_boolean(content, ('shared', 'admin_state_up', 'enale_dhcp') )
+ convert_boolean(content, ('shared', 'admin_state_up', 'enable_dhcp'))
change_keys_http2db(content, http2db_network, reverse=True)
#get ports
result, ports = my.db.get_table(FROM='ports', SELECT=('uuid as port_id',),
#check valid params
net_provider = network.get('provider')
net_type = network.get('type')
+ net_type = network.get('type')
+ net_enable_dhcp = network.get('enable_dhcp')
+ if net_enable_dhcp:
+ net_cidr = network.get('cidr')
+
net_vlan = network.get("vlan")
net_bind_net = network.get("bind_net")
net_bind_type= network.get("bind_type")
network['provider'] = net_provider
network['type'] = net_type
network['vlan'] = net_vlan
+
+ if 'enable_dhcp' in network and network['enable_dhcp']:
+ check_dhcp_data_integrity(network)
+
result, content = my.db.new_row('nets', network, True, True)
if result >= 0:
if bridge_net!=None:
bridge_net[3] = content
-
if config_dic.get("dhcp_server") and config_dic['network_type'] == 'bridge':
if network["name"] in config_dic["dhcp_server"].get("nets", () ):
config_dic["dhcp_nets"].append(content)
return
+def check_dhcp_data_integrity(network):
+ """
+ Check if all dhcp parameter for anet are valid, if not will be calculated from cidr value
+ :param network: list with user nets paramters
+ :return:
+ """
+ control_iface = []
+
+ if "cidr" in network:
+ cidr = network["cidr"]
+
+ ips = IPNetwork(cidr)
+ if "dhcp_first_ip" not in network:
+ network["dhcp_first_ip"] = str(ips[2])
+ if "dhcp_last_ip" not in network:
+ network["dhcp_last_ip"] = str(ips[-2])
+
+
@bottle.route(url_base + '/networks/<network_id>', method='PUT')
def http_put_network_id(network_id):
'''update a network_id into the database.'''
bottle.abort(-result, content)
return
+