[dts] [PATCH v2 05/19] Add a module to instantiate the VM

["Jiajia, Sun" <sunx.jiajia@intel.com>]

From: sjiajiax <sunx.jiajia@intel.com>

Added module: virt_dut.py

Signed-off-by: sjiajiax <sunx.jiajia@intel.com>
---
 framework/virt_dut.py | 202 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 202 insertions(+)
 create mode 100644 framework/virt_dut.py

diff --git a/framework/virt_dut.py b/framework/virt_dut.py
new file mode 100644
index 0000000..273b29e
--- /dev/null
+++ b/framework/virt_dut.py
@@ -0,0 +1,202 @@
+# BSD LICENSE
+#
+# Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+#   * Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+#   * Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in
+#     the documentation and/or other materials provided with the
+#     distribution.
+#   * Neither the name of Intel Corporation nor the names of its
+#     contributors may be used to endorse or promote products derived
+#     from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import os
+import re
+import time
+import dts
+import settings
+from config import PortConf
+from settings import NICS, LOG_NAME_SEP
+from ssh_connection import SSHConnection
+from project_dpdk import DPDKdut
+from dut import Dut
+from net_device import NetDevice
+from logger import getLogger
+
+
+class VirtDut(DPDKdut):
+
+    """
+    A connection to the CRB under test.
+    This class sends commands to the CRB and validates the responses. It is
+    implemented using either ssh for linuxapp or the terminal server for
+    baremetal.
+    All operations are in fact delegated to an instance of either CRBLinuxApp
+    or CRBBareMetal.
+    """
+
+    def __init__(self, crb, serializer, vm_name, suite):
+        super(Dut, self).__init__(crb, serializer)
+        self.vm_ip = self.get_ip_address()
+        self.NAME = 'virtdut' + LOG_NAME_SEP + '%s' % self.vm_ip
+        # load port config from suite cfg
+        self.suite = suite
+        self.logger = getLogger(self.NAME)
+        self.logger.config_execution('vmdut')
+        self.session = SSHConnection(self.vm_ip, self.NAME,
+                                     self.get_password())
+        self.session.init_log(self.logger)
+
+        # if redirect ssh port, there's only one session enabled
+        self.alt_session = SSHConnection(self.vm_ip, self.NAME + '_alt',
+                                         self.get_password())
+        self.alt_session.init_log(self.logger)
+
+        self.number_of_cores = 0
+        self.tester = None
+        self.cores = []
+        self.architecture = None
+        self.ports_info = None
+        self.ports_map = []
+
+    def set_nic_type(self, nic_type):
+        """
+        Set CRB NICS ready to validated.
+        """
+        self.nic_type = nic_type
+        # vm_dut config will load from vm configuration file
+
+    def load_portconf(self):
+        """
+        Load port config for this virtual machine
+        """
+        return
+
+    def set_target(self, target):
+        """
+        Set env variable, these have to be setup all the time. Some tests
+        need to compile example apps by themselves and will fail otherwise.
+        Set hugepage on DUT and install modules required by DPDK.
+        Configure default ixgbe PMD function.
+        """
+        self.set_toolchain(target)
+
+        # set env variable
+        # These have to be setup all the time. Some tests need to compile
+        # example apps by themselves and will fail otherwise.
+        self.send_expect("export RTE_TARGET=" + target, "#")
+        self.send_expect("export RTE_SDK=`pwd`", "#")
+
+        if not self.skip_setup:
+            self.build_install_dpdk(target)
+
+        self.setup_memory(hugepages=512)
+        self.setup_modules(target)
+
+        self.bind_interfaces_linux('igb_uio')
+
+    def prerequisites(self, pkgName, patch):
+        """
+        Prerequest function should be called before execute any test case.
+        Will call function to scan all lcore's information which on DUT.
+        Then call pci scan function to collect nic device information.
+        At last setup DUT' environment for validation.
+        """
+        self.prepare_package(pkgName, patch)
+
+        self.send_expect("cd %s" % self.base_dir, "# ")
+        self.host_session.send_expect("cd %s" % self.base_dir, "# ")
+        self.send_expect("alias ls='ls --color=none'", "#")
+
+        self.init_core_list()
+        self.pci_devices_information()
+
+        # scan ports before restore interface
+        self.scan_ports()
+        # restore dut ports to kernel
+        self.restore_interfaces()
+        # rescan ports after interface up
+        self.rescan_ports()
+
+        # no need to rescan ports for guest os just bootup
+        # load port infor from config file
+        self.load_portconf()
+
+        # enable tester port ipv6
+        self.host_dut.enable_tester_ipv6()
+        self.mount_procfs()
+        # auto detect network topology
+        self.map_available_ports()
+        # disable tester port ipv6
+        self.host_dut.disable_tester_ipv6()
+
+        # print latest ports_info
+        for port_info in self.ports_info:
+            self.logger.info(port_info)
+
+    def pci_devices_information(self):
+        self.pci_devices_information_uncached()
+
+    def get_memory_channels(self):
+        """
+        Virtual machine has no memory channel concept, so always return 1
+        """
+        return 1
+
+    def check_ports_available(self, pci_bus, pci_id):
+        """
+        Check that whether auto scanned ports ready to use
+        """
+        pci_addr = "%s:%s" % (pci_bus, pci_id)
+        if pci_id == "8086:100e":
+            return False
+        return True
+
+    def scan_ports(self):
+        """
+        Scan ports information, for vm will always scan
+        """
+        self.scan_ports_uncached()
+
+    def scan_ports_uncached(self):
+        """
+        Scan ports and collect port's pci id, mac adress, ipv6 address.
+        """
+        scan_ports_uncached = getattr(
+            self, 'scan_ports_uncached_%s' % self.get_os_type())
+        return scan_ports_uncached()
+
+    def map_available_ports(self):
+        """
+        Load or generate network connection mapping list.
+        """
+        self.map_available_ports_uncached()
+        self.logger.warning("DUT PORT MAP: " + str(self.ports_map))
+
+    def send_ping6(self, localPort, ipv6, mac=''):
+        """
+        Send ping6 packet from local port with destination ipv6 address.
+        """
+        if self.ports_info[localPort]['type'] == 'ixia':
+            pass
+        else:
+            return self.send_expect("ping6 -w 1 -c 1 -A -I %s %s" % (self.ports_info[localPort]['intf'], ipv6), "# ", 10)
-- 
1.9.3