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authorpmikus <pmikus@cisco.com>2020-10-02 05:48:34 +0000
committerPeter Mikus <pmikus@cisco.com>2021-01-04 10:30:50 +0000
commit44dcb3113c8ade2e44543746abca861a89362c9b (patch)
tree4800a2f9dcf106c5f5222f4be256c9a488f1b85b /resources/libraries/python/QemuUtils.py
parente813695b481b745d5136f8cbd0152e62a4ec990c (diff)
GSO: TAP/VHOST use case
Signed-off-by: pmikus <pmikus@cisco.com> Change-Id: Ibafaaca4438587284d1e255c764f0701002941e8
Diffstat (limited to 'resources/libraries/python/QemuUtils.py')
-rw-r--r--resources/libraries/python/QemuUtils.py95
1 files changed, 70 insertions, 25 deletions
diff --git a/resources/libraries/python/QemuUtils.py b/resources/libraries/python/QemuUtils.py
index c215dfd96f..51fba6105e 100644
--- a/resources/libraries/python/QemuUtils.py
+++ b/resources/libraries/python/QemuUtils.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2020 Cisco and/or its affiliates.
+# Copyright (c) 2021 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
@@ -80,8 +80,8 @@ class QemuUtils:
u"type": NodeType.VM,
u"port": 10021 + qemu_id,
u"serial": 4555 + qemu_id,
- u"username": 'cisco',
- u"password": 'cisco',
+ u"username": 'testuser',
+ u"password": 'Csit1234',
u"interfaces": {},
}
if node[u"port"] != 22:
@@ -142,10 +142,10 @@ class QemuUtils:
self._params.add_with_value(u"numa", u"node,memdev=mem")
self._params.add_with_value(u"balloon", u"none")
- def add_net_user(self):
+ def add_net_user(self, net="10.0.2.0/24"):
"""Set managment port forwarding."""
self._params.add_with_value(
- u"netdev", f"user,id=mgmt,net=172.16.255.0/24,"
+ u"netdev", f"user,id=mgmt,net={net},"
f"hostfwd=tcp::{self._vm_info[u'port']}-:22"
)
self._params.add_with_value(
@@ -158,7 +158,9 @@ class QemuUtils:
u"chardev", f"socket,path={self._temp.get(u'qga')},"
f"server,nowait,id=qga0"
)
- self._params.add_with_value(u"device", u"isa-serial,chardev=qga0")
+ self._params.add_with_value(
+ u"device", u"isa-serial,chardev=qga0"
+ )
self._params.add_with_value(
u"qmp", f"unix:{self._temp.get(u'qmp')},server,nowait"
)
@@ -167,8 +169,11 @@ class QemuUtils:
"""Set serial to file redirect."""
self._params.add_with_value(
u"chardev", f"socket,host=127.0.0.1,"
- f"port={self._vm_info[u'serial']},id=gnc0,server,nowait")
- self._params.add_with_value(u"device", u"isa-serial,chardev=gnc0")
+ f"port={self._vm_info[u'serial']},id=gnc0,server,nowait"
+ )
+ self._params.add_with_value(
+ u"device", u"isa-serial,chardev=gnc0"
+ )
self._params.add_with_value(
u"serial", f"file:{self._temp.get(u'log')}"
)
@@ -210,8 +215,12 @@ class QemuUtils:
self._params.add_with_value(
u"device", u"virtio-9p-pci,fsdev=root9p,mount_tag=virtioroot"
)
- self._params.add_with_value(u"kernel", f"{self._opt.get(u'img')}")
- self._params.add_with_value(u"initrd", f"{self._opt.get(u'initrd')}")
+ self._params.add_with_value(
+ u"kernel", f"{self._opt.get(u'img')}"
+ )
+ self._params.add_with_value(
+ u"initrd", f"{self._opt.get(u'initrd')}"
+ )
self._params.add_with_value(
u"append", f"'ro rootfstype=9p rootflags=trans=virtio "
f"root=virtioroot console={self._opt.get(u'console')} "
@@ -250,19 +259,19 @@ class QemuUtils:
f"{self._nic_id:02x}"
queue_size = f"rx_queue_size={queue_size},tx_queue_size={queue_size}" \
if queue_size else u""
- if virtio_feature_mask is None:
- gso = False
- csum = False
- else:
- gso = VirtioFeatureMask.is_feature_enabled(
- virtio_feature_mask, VirtioFeaturesFlags.VIRTIO_NET_F_API_GSO)
- csum = VirtioFeatureMask.is_feature_enabled(
- virtio_feature_mask, VirtioFeaturesFlags.VIRTIO_NET_F_API_CSUM)
+ gso = VirtioFeatureMask.is_feature_enabled(
+ virtio_feature_mask, VirtioFeaturesFlags.VIRTIO_NET_F_API_GSO)
+ csum = VirtioFeatureMask.is_feature_enabled(
+ virtio_feature_mask, VirtioFeaturesFlags.VIRTIO_NET_F_API_CSUM)
+
self._params.add_with_value(
u"device", f"virtio-net-pci,netdev=vhost{self._nic_id},mac={mac},"
f"addr={self._nic_id+5}.0,mq=on,vectors={2 * queues + 2},"
- f"csum={u'on' if csum else u'off'},gso={u'on' if gso else u'off'},"
- f"guest_tso4=off,guest_tso6=off,guest_ecn=off,"
+ f"csum={u'on' if csum else u'off'},"
+ f"gso={u'on' if gso else u'off'},"
+ f"guest_tso4={u'on' if gso else u'off'},"
+ f"guest_tso6={u'on' if gso else u'off'},"
+ f"guest_ecn={u'on' if gso else u'off'},"
f"{queue_size}"
)
@@ -402,17 +411,20 @@ class QemuUtils:
self._opt[u"vnf_bin"] = f"{self._testpmd_path}/{testpmd_cmd}"
+ def create_kernelvm_config_iperf3(self):
+ """Create QEMU iperf3 command line."""
+ self._opt[u"vnf_bin"] = f"mkdir /run/sshd; /usr/sbin/sshd -D -d"
+
def create_kernelvm_init(self, **kwargs):
"""Create QEMU init script.
:param kwargs: Key-value pairs to replace content of init startup file.
:type kwargs: dict
"""
- template = f"{Constants.RESOURCES_TPL}/vm/init.sh"
init = self._temp.get(u"ini")
exec_cmd_no_error(self._node, f"rm -f {init}", sudo=True)
- with open(template, u"rt") as src_file:
+ with open(kwargs[u"template"], u"rt") as src_file:
src = Template(src_file.read())
exec_cmd_no_error(
self._node, f"echo '{src.safe_substitute(**kwargs)}' | "
@@ -428,13 +440,32 @@ class QemuUtils:
"""
if u"vpp" in self._opt.get(u"vnf"):
self.create_kernelvm_config_vpp(**kwargs)
- self.create_kernelvm_init(vnf_bin=self._opt.get(u"vnf_bin"))
+ self.create_kernelvm_init(
+ template=f"{Constants.RESOURCES_TPL}/vm/init.sh",
+ vnf_bin=self._opt.get(u"vnf_bin")
+ )
elif u"testpmd_io" in self._opt.get(u"vnf"):
self.create_kernelvm_config_testpmd_io(**kwargs)
- self.create_kernelvm_init(vnf_bin=self._opt.get(u"vnf_bin"))
+ self.create_kernelvm_init(
+ template=f"{Constants.RESOURCES_TPL}/vm/init.sh",
+ vnf_bin=self._opt.get(u"vnf_bin")
+ )
elif u"testpmd_mac" in self._opt.get(u"vnf"):
self.create_kernelvm_config_testpmd_mac(**kwargs)
- self.create_kernelvm_init(vnf_bin=self._opt.get(u"vnf_bin"))
+ self.create_kernelvm_init(
+ template=f"{Constants.RESOURCES_TPL}/vm/init.sh",
+ vnf_bin=self._opt.get(u"vnf_bin")
+ )
+ elif u"iperf3" in self._opt.get(u"vnf"):
+ qemu_id = self._opt.get(u'qemu_id') % 2
+ self.create_kernelvm_config_iperf3()
+ self.create_kernelvm_init(
+ template=f"{Constants.RESOURCES_TPL}/vm/init_iperf3.sh",
+ vnf_bin=self._opt.get(u"vnf_bin"),
+ ip_address_l=u"2.2.2.2/30" if qemu_id else u"1.1.1.1/30",
+ ip_address_r=u"2.2.2.1" if qemu_id else u"1.1.1.2",
+ ip_route_r=u"1.1.1.0/30" if qemu_id else u"2.2.2.0/30"
+ )
else:
raise RuntimeError(u"QEMU: Unsupported VNF!")
@@ -639,6 +670,20 @@ class QemuUtils:
f"QEMU: Timeout, VM not booted on {self._node[u'host']}!"
)
+ def _wait_iperf3(self, retries=60):
+ """Wait until QEMU with iPerf3 is booted.
+
+ :param retries: Number of retries.
+ :type retries: int
+ """
+ grep = u"Server listening on 0.0.0.0 port 22."
+ cmd = f"fgrep '{grep}' {self._temp.get(u'log')}"
+ message = f"QEMU: Timeout, VM not booted on {self._node[u'host']}!"
+ exec_cmd_no_error(
+ self._node, cmd=cmd, sudo=True, message=message, retries=retries,
+ include_reason=True
+ )
+
def _update_vm_interfaces(self):
"""Update interface names in VM node dict."""
# Send guest-network-get-interfaces command via QGA, output example: