[RFC,v1,08/15] dts: merge DTS framework/exception.py to DPDK

diff --git a/dts/framework/exception.py b/dts/framework/exception.py
new file mode 100644
index 0000000000..fb0fa72e42
--- /dev/null
+++ b/dts/framework/exception.py
@@ -0,0 +1,148 @@ 
+"""
+User-defined exceptions used across the framework.
+"""
+from typing import Any
+
+
+class TimeoutException(Exception):
+
+    """
+    Command execution timeout.
+    """
+
+    def __init__(self, command, output):
+        self.command = command
+        self.output = output
+
+    def __str__(self):
+        msg = "TIMEOUT on %s" % (self.command)
+        return msg
+
+    def get_output(self):
+        return self.output
+
+
+class VerifyFailure(Exception):
+
+    """
+    To be used within the test cases to verify if a command output
+    is as it was expected.
+    """
+
+    def __init__(self, value):
+        self.value = value
+
+    def __str__(self):
+        return repr(self.value)
+
+
+class VerifySkip(Exception):
+
+    """
+    To be used within the test cases to verify if case should be skipped.
+    """
+
+    def __init__(self, value):
+        self.value = value
+
+    def __str__(self):
+        return repr(self.value)
+
+
+class SSHConnectionException(Exception):
+
+    """
+    SSH connection error.
+    """
+
+    def __init__(self, host):
+        self.host = host
+
+    def __str__(self):
+        return "Error trying to connect with %s" % self.host
+
+
+class SSHSessionDeadException(Exception):
+
+    """
+    SSH session is not alive.
+    It can no longer be used.
+    """
+
+    def __init__(self, host):
+        self.host = host
+
+    def __str__(self):
+        return "SSH session with %s has been dead" % self.host
+
+
+class ParameterInvalidException(Exception):
+    pass
+
+
+class StartVMFailedException(Exception):
+
+    """
+    Start VM failed.
+    """
+
+    def __init__(self, error):
+        self.error = error
+
+    def __str__(self):
+        return repr(self.error)
+
+
+class ConfigParseException(Exception):
+
+    """
+    Configuration file parse failure exception.
+    """
+
+    def __init__(self, conf_file):
+        self.config = conf_file
+
+    def __str__(self):
+        return "Faile to parse config file [%s]" % (self.config)
+
+
+class VirtConfigParseException(Exception):
+    pass
+
+
+class PortConfigParseException(Exception):
+    pass
+
+
+class VirtConfigParamException(Exception):
+
+    """
+    Virtualization param execution exception.
+    """
+
+    def __init__(self, param):
+        self.param = param
+
+    def __str__(self):
+        return "Faile to execute param [%s]" % (self.param)
+
+
+class VirtDutConnectException(Exception):
+    pass
+
+
+class VirtDutInitException(Exception):
+    def __init__(self, vm_dut):
+        self.vm_dut = vm_dut
+
+
+class VirtDeviceCreateException(Exception):
+    pass
+
+
+class VirtVmOperationException(Exception):
+    pass
+
+
+class VirtHostPrepareException(Exception):
+    pass