[dts] [PATCH v2] framework: init pexcept sessions from crb instance

[Yong Liu <yong.liu@intel.com>]

From: Marvin Liu <yong.liu@intel.com>

Dut and tester will inherit pexpect sessions from crb instance.
Session is basic componment of crb instance, should be initialized in crb module.

Signed-off-by: Marvin Liu <yong.liu@intel.com>

diff --git a/framework/crb.py b/framework/crb.py
index fcbd7d9..1164338 100644
--- a/framework/crb.py
+++ b/framework/crb.py
@@ -34,6 +34,8 @@ import dts
 import re
 import os
 from settings import TIMEOUT, IXIA
+from ssh_connection import SSHConnection
+from logger import getLogger
 
 """
 CRB (customer reference board) basic functions and handlers
@@ -48,13 +50,23 @@ class Crb(object):
     CPU/PCI/NIC on the board and setup running environment for DPDK.
     """
 
-    def __init__(self, crb, serializer):
+    def __init__(self, crb, serializer, name):
         self.crb = crb
         self.read_cache = False
         self.skip_setup = False
         self.serializer = serializer
         self.ports_info = None
 
+        self.logger = getLogger(name)
+        self.session = SSHConnection(self.get_ip_address(), name,
+                                     self.get_password())
+        self.session.init_log(self.logger)
+        self.alt_session = SSHConnection(
+            self.get_ip_address(),
+            name + '_alt',
+            self.get_password())
+        self.alt_session.init_log(self.logger)
+
     def send_expect(self, cmds, expected, timeout=TIMEOUT,
                     alt_session=False, verify=False):
         """
diff --git a/framework/dut.py b/framework/dut.py
index 70bd146..f5563d0 100644
--- a/framework/dut.py
+++ b/framework/dut.py
@@ -39,7 +39,6 @@ from settings import NICS, LOG_NAME_SEP
 from ssh_connection import SSHConnection
 from crb import Crb
 from net_device import NetDevice
-from logger import getLogger
 from virt_resource import VirtResource
 from utils import RED
 
@@ -62,19 +61,10 @@ class Dut(Crb):
     PCI_DEV_CACHE_KEY = 'dut_pci_dev_info'
 
     def __init__(self, crb, serializer):
-        super(Dut, self).__init__(crb, serializer)
         self.NAME = 'dut'
+        super(Dut, self).__init__(crb, serializer, self.NAME)
 
         self.host_init_flag = False
-        self.logger = getLogger(self.NAME)
-        self.session = SSHConnection(self.get_ip_address(), self.NAME,
-                                     self.get_password())
-        self.session.init_log(self.logger)
-        self.alt_session = SSHConnection(
-            self.get_ip_address(),
-            self.NAME + '_alt',
-            self.get_password())
-        self.alt_session.init_log(self.logger)
         self.number_of_cores = 0
         self.tester = None
         self.cores = []
diff --git a/framework/tester.py b/framework/tester.py
index 1f4f7ae..aeae1f8 100644
--- a/framework/tester.py
+++ b/framework/tester.py
@@ -58,17 +58,8 @@ class Tester(Crb):
     PCI_DEV_CACHE_KEY = 'tester_pci_dev_info'
 
     def __init__(self, crb, serializer):
-        super(Tester, self).__init__(crb, serializer)
         self.NAME = 'tester'
-
-        self.logger = getLogger(self.NAME)
-        self.session = SSHConnection(self.get_ip_address(),
-                                     self.NAME, self.get_password())
-        self.session.init_log(self.logger)
-        self.alt_session = SSHConnection(self.get_ip_address(),
-                                         self.NAME + '_alt',
-                                         self.get_password())
-        self.alt_session.init_log(self.logger)
+        super(Tester, self).__init__(crb, serializer, self.NAME)
 
         self.bgProcIsRunning = False
         self.dut = None
-- 
1.9.3