def destroy_guest():
cmd = """
virsh destroy gg
virsh undefine gg
"""
run(cmd)
return 0
def start_guest(guest_xml):
with pushd(case_path):
run("systemctl list-units --state=stop --type=service | grep libvirtd || systemctl restart libvirtd")
download_VNF_image()
cmd = f"""
virsh define {case_path}/{guest_xml}
virsh start gg
"""
run(cmd)
return 0
def ovs_bridge_with_kernel(nic1_name, nic2_name):
cmd = f"""
modprobe openvswitch
systemctl stop openvswitch
sleep 3
systemctl start openvswitch
sleep 3
ovs-vsctl --if-exists del-br ovsbr0
sleep 5
ovs-vsctl set Open_vSwitch . other_config={{}}
systemctl restart openvswitch
ovs-vsctl --timeout 10 add-br ovsbr0
ovs-vsctl --timeout 10 set Open_vSwitch . other_config:max-idle=30000
ip addr flush dev {nic1_name}
ip link set dev {nic1_name} up
ovs-vsctl --timeout 10 add-port ovsbr0 {nic1_name}
ip addr flush dev {nic2_name}
ip link set dev {nic2_name} up
ovs-vsctl --timeout 10 add-port ovsbr0 {nic2_name}
ip tuntap del tap0 mode tap
ip tuntap add tap0 mode tap
ip addr flush dev tap0
ip link set dev tap0 up
ovs-vsctl --timeout 10 add-port ovsbr0 tap0
ip tuntap del tap1 mode tap
ip tuntap add tap1 mode tap
ip addr flush dev tap1
ip link set dev tap1 up
ovs-vsctl --timeout 10 add-port ovsbr0 tap1
ovs-vsctl set Interface {nic1_name} ofport_request=1
ovs-vsctl set Interface {nic2_name} ofport_request=2
ovs-vsctl set Interface tap0 ofport_request=3
ovs-vsctl set Interface tap1 ofport_request=4
ovs-ofctl -O OpenFlow13 --timeout 10 del-flows ovsbr0
ovs-ofctl -O OpenFlow13 --timeout 10 add-flow ovsbr0 in_port=1,idle_timeout=0,action=output:3
ovs-ofctl -O OpenFlow13 --timeout 10 add-flow ovsbr0 in_port=3,idle_timeout=0,action=output:1
ovs-ofctl -O OpenFlow13 --timeout 10 add-flow ovsbr0 in_port=4,idle_timeout=0,action=output:2
ovs-ofctl -O OpenFlow13 --timeout 10 add-flow ovsbr0 in_port=2,idle_timeout=0,action=output:4
sleep 2
ovs-vsctl show
"""
run(cmd)
return 0
def clear_env():
cmd = """
systemctl start openvswitch
ovs-vsctl --if-exists del-br ovsbr0
virsh destroy gg
virsh undefine gg
systemctl stop openvswitch
ip tuntap del tap0 mode tap
ip tuntap del tap1 mode tap
"""
run(cmd,"0,1")
clear_dpdk_interface()
clear_hugepage()
# log_and_run("ip link show")
log_and_run("sleep 10")
log_and_run("ip link show")
return 0
def ovs_bridge_with_dpdk_with_mac(nic1_mac, nic2_mac, mtu_val, pmd_cpu_mask):
cmd = f"""
modprobe openvswitch
systemctl stop openvswitch
sleep 3
systemctl start openvswitch
sleep 3
ovs-vsctl --if-exists del-br ovsbr0
sleep 5
ovs-vsctl set Open_vSwitch . other_config={{}}
ovs-vsctl --no-wait set Open_vSwitch . other_config:dpdk-init=true
ovs-vsctl --no-wait set Open_vSwitch . other_config:dpdk-socket-mem="4096,4096"
ovs-vsctl set Open_vSwitch . other_config:pmd-cpu-mask="{pmd_cpu_mask}"
ovs-vsctl --no-wait set Open_vSwitch . other_config:vhost-iommu-support=true
systemctl restart openvswitch
sleep 3
ovs-vsctl add-br ovsbr0 -- set bridge ovsbr0 datapath_type=netdev
ovs-vsctl add-port ovsbr0 dpdk0 -- set Interface dpdk0 type=dpdk options:dpdk-devargs="class=eth,mac={nic1_mac}" mtu_request={mtu_val}
ovs-vsctl add-port ovsbr0 dpdk1 -- set Interface dpdk1 type=dpdk options:dpdk-devargs="class=eth,mac={nic2_mac}" mtu_request={mtu_val}
ovs-vsctl add-port ovsbr0 vhost0 -- set interface vhost0 type=dpdkvhostuserclient options:vhost-server-path=/tmp/vhost0 mtu_request={mtu_val}
ovs-vsctl add-port ovsbr0 vhost1 -- set interface vhost1 type=dpdkvhostuserclient options:vhost-server-path=/tmp/vhost1 mtu_request={mtu_val}
ovs-vsctl set Interface dpdk0 ofport_request=1
ovs-vsctl set Interface dpdk1 ofport_request=2
ovs-vsctl set Interface vhost0 ofport_request=3
ovs-vsctl set Interface vhost1 ofport_request=4
ovs-ofctl del-flows ovsbr0
/usr/bin/ovs-ofctl -O OpenFlow13 --timeout 10 add-flow ovsbr0 idle_timeout=0,in_port=1,action=output:3
/usr/bin/ovs-ofctl -O OpenFlow13 --timeout 10 add-flow ovsbr0 idle_timeout=0,in_port=3,action=output:1
/usr/bin/ovs-ofctl -O OpenFlow13 --timeout 10 add-flow ovsbr0 idle_timeout=0,in_port=2,action=output:4
/usr/bin/ovs-ofctl -O OpenFlow13 --timeout 10 add-flow ovsbr0 idle_timeout=0,in_port=4,action=output:2
#ovs-ofctl add-flow ovsbr0 actions=NORMAL
sleep 2
ovs-vsctl show
"""
run(cmd)
return 0
def check_install(pkg_name):
run("rpm -q {} || yum -y install {}".format(pkg_name, pkg_name))
pass
def py3_run(cmd,str_ret_val="0"):
run(f"source {case_path}/venv/bin/activate")
run(cmd,str_ret_val)
run("deactivate")
pass