def create_vxlan_tunnel(vm, vxlan, ip, br='br'):
mgmt = vm['mgmt']
keyfile = vm['key']
ssh = ssh_connect(mgmt, keyfile)
cmd = 'sudo ovs-vsctl add-port {0} {1} -- set interface {1} type=vxlan options:remote_ip={2}'.format(br, vxlan, ip, br)
#cmd = 'sudo ovs-vsctl add-port {0} {1} -- set interface {1} type=gre options:remote_ip={2}'.format(br, vxlan, ip, br)
ssh_command(ssh, cmd)
ofport = get_iface_ofport(ssh, vxlan)
return ofport
def clean_ovs_ports(vm, br='br'):
mgmt = vm['mgmt']
keyfile = vm['key']
ssh = ssh_connect(mgmt, keyfile)
cmd = 'sudo ovs-vsctl list-ifaces {0}'.format(br)
lines = ssh_command(ssh, cmd)
if len(lines) > 0:
ifaces = [line.strip() for line in lines]
for iface in ifaces:
cmd = 'sudo ovs-vsctl del-port {0} {1}'.format(br, iface)
ssh_command(ssh, cmd)
def get_node_id(vm):
mgmt = vm['mgmt']
keyfile = vm['key']
ssh = ssh_connect(mgmt, keyfile)
lines = ssh_command(ssh, 'sudo ovs-vsctl get interface br mac_in_use')
assert len(lines) == 1
return 'openflow:{0}'.format(str(int(''.join(lines[0].strip()[1:-1].split(':')), 16)))
def delete_flows(vm):
mgmt = vm['mgmt']
keyfile = vm['key']
ssh = ssh_connect(mgmt, keyfile)
lines = ssh_command(ssh, 'sudo ovs-ofctl del-flows br')
for line in lines:
print(line)
def clean_tunnel_ports(vm, br='br'):
mgmt = vm['mgmt']
keyfile = vm['key']
ssh = ssh_connect(mgmt, keyfile)
cmd = 'sudo ovs-vsctl list-ifaces {0}'.format(br)
lines = ssh_command(ssh, cmd)
if len(lines) > 0:
ifaces = [line.strip() for line in lines]
for iface in ifaces:
cmd = 'sudo ovs-vsctl get interface {0} type'.format(iface)
lines = ssh_command(ssh, cmd)
if len(lines) > 0:
iface_type = lines[0].strip()
if iface_type == 'vxlan' or iface_type == 'gre':
cmd = 'sudo ovs-vsctl del-port {0} {1}'.format(br, iface)
ssh_command(ssh, cmd)
def get_all_ofports(vm, br='br'):
mgmt = vm['mgmt']
keyfile = vm['key']
ssh = ssh_connect(mgmt, keyfile)
lines = ssh_command(ssh, 'sudo ovs-vsctl list-ifaces {0}'.format(br))
ofports = [line.strip()[1:-1] for line in lines]
print(ofports)
return ofports
def create_veth_pair(vm, br, other):
keyfile = vm['key']
mgmt = vm['mgmt']
ssh = ssh_connect(mgmt, keyfile)
ssh_command(ssh, f'sudo ip link add {br}_{other} type veth peer name {other}_{br}')
ssh_command(ssh, f'sudo ovs-vsctl add-port {br} {br}_{other}')
ssh_command(ssh, f'sudo ip link set dev {other}_{br} up')
ssh_command(ssh, f'sudo ip link set dev {br}_{other} up')
ofport = get_iface_ofport(ssh, f'{br}_{other}')
return ofport
def get_iface_ofport(ssh, iface):
cmd = 'sudo ovs-vsctl get interface {0} ofport'.format(iface)
lines = ssh_command(ssh, cmd)
assert len(lines) == 1
return lines[0].strip()
def add_sflow_agent(vm, collector_ip):
mgmt = vm['mgmt']
keyfile = vm['key']
ssh = ssh_connect(mgmt, keyfile)
ssh_command(ssh, f'sudo ovs-vsctl -- --id=@sflow create sflow agent=eth1 target="\\\"{collector_ip}:6343\"\\" header=128 polling=1 sampling=1 -- set bridge br sflow=@sflow')
def add_default_tgu_flow(vm, idx, br='br'):
mgmt = vm['mgmt']
keyfile = vm['key']
ssh = ssh_connect(mgmt, keyfile)
ssh_command(ssh, 'sudo ovs-ofctl add-flow {0} \"table=0,in_port=out{1},action=output:t_s_{1}\"'.format(br, idx))
def connect_to_controller(vm, br, ctrl_ip, ctrl_port):
keyfile = vm['key']
mgmt = vm['mgmt']
ssh = ssh_connect(mgmt, keyfile)
ssh_command(ssh, f'sudo ovs-vsctl set-controller {br} tcp:{ctrl_ip}:{ctrl_port}')
def delete_veth_pair(vm, br, other):
mgmt = vm['mgmt']
keyfile = vm['key']
ssh = ssh_connect(mgmt, keyfile)
ssh_command(ssh, f'sudo ip link del {br}_{other} type veth peer name {other}_{br}')
def set_ip(vm, ip, br='br'):
mgmt = vm['mgmt']
keyfile = vm['key']
ssh = ssh_connect(mgmt, keyfile)
ssh_command(ssh, 'sudo ip addr add {0}/24 dev {1}'.format(ip, br))
ssh_command(ssh, 'sudo ip link set dev {0} up'.format(br))
def restart_ids(vm):
mgmt = vm['mgmt']
keyfile = vm['key']
ssh = ssh_connect(mgmt, keyfile)
ssh_command(ssh, 'sudo service ids restart')
