Add IxNetwork L3 scenario implementation

Protocol interfaces are creating with config from pod file
Static IP configuration are creating from testcase flow options

JIRA: YARDSTICK-1570

Change-Id: I74cde67b5084d5b65d09934fe8fce7760b5ea461
Signed-off-by: Myron Sosyak <myronx.sosyak@intel.com>

2 files changed, 15 insertions, 0 deletions

diff --git a/yardstick/common/exceptions.py b/yardstick/common/exceptions.py
index 5e0df973a..f62f02f18 100644
--- a/yardstick/common/exceptions.py
+++ b/yardstick/common/exceptions.py
@@ -405,6 +405,10 @@ class IxNetworkFieldNotPresentInStackItem(YardstickException):
     message = 'Field "%(field_name)s" not present in stack item %(stack_item)s'
 
 
+class IncorrectFlowOption(YardstickException):
+    message = 'Flow option {option} for {link} is incorrect'
+
+
 class SLAValidationError(YardstickException):
     message = '%(case_name)s SLA validation failed. Error: %(error_msg)s'
 
diff --git a/yardstick/common/utils.py b/yardstick/common/utils.py
index 51313ef47..9eba896e2 100644
--- a/yardstick/common/utils.py
+++ b/yardstick/common/utils.py
@@ -293,6 +293,17 @@ def make_ipv4_address(ip_addr):
     return ipaddress.IPv4Address(six.text_type(ip_addr))
 
 
+def get_ip_range_count(iprange):
+    start_range, end_range = iprange.split("-")
+    start = int(make_ipv4_address(start_range))
+    end = int(make_ipv4_address(end_range))
+    return end - start
+
+
+def get_ip_range_start(iprange):
+    return str(make_ipv4_address(iprange.split("-")[0]))
+
+
 def safe_ip_address(ip_addr):
     """ get ip address version v6 or v4 """
     try: